ATRT-01 S3 Manual Rev 1 - Vanguard Instruments Company, Inc.
Contents
1. 55 3 8 Usingthe Turns Ratio Calculator 5 pd essa r 58 APPENDIX A TRANSFORMER VECTOR GROUP CODES sse 61 APPENDIX B Common ANSI Transformer Descriptions 62 APPENDIX C CEI IEC 60076 1 Transformer Descriptions nnn 70 APPENDIX D Australian Std 2374 Transformer Descriptions 77 ATRT 01 01B S3 USER S MANUAL REV1 LIST OF TABLES Table 1 ATRT 01 S3 Technical Specifications a 4 Table 2 ATRT 01B S3 Technical Specifications 5 Table 3 Functional Descriptions of ATRT 01 S3 Controls and Indicators 7 Table 4 Functional Descriptions of ATRT 01B S3 Controls and Indicators 8 LIST OF FIGURES Figure T Controls 3nd IDBICSEOTS asco oes eade ene dei quu Sexe Tap u UR a 7 Figure 2 ATRT 01B S3 Controls and 8 Figure 3 Typical Single Phase Transformer Connection 10 Figure Typical Auto2. Hi H3 8 mI Vx A Vx x H H YNd5 Co Vx um N Ow PIO TFIO wa IOO gt gt PIN DW FIO W FIO DW VANGUARD 050108V4 ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL ON LOW VOLTAGE WINDING REV1 ATRT 01 01B S3 USER S MANUAL SENSOR __ WINING TESTED dba LOW CAL HIGH VOLTAGE LOW VOLTAGE EXT VECTOR UNE EE ws Wats aa Sie A E Vi ACCESSIBLE x HIGH VOLTAGE H3 Ho e WINDING H4 P H2 Ho YNyno F i LI mem ow H1 Ho XX X4 NO ACCESSIBLE Ho YNy6 NEUTRALON LOW VOLTAGE X1 Xa WINDING H4 H Xn X NO 1 1 Ho H4 Xg Xo NEUTRAL ON HIGH VOLTAGE WINDING H1 H3 X34 X4 w H2 H1 Yy6 ACCESSIBLE V NEUTRAL Mes yNzn1 ACCESSIBLE 69 N Li n3 NO C n3 Cc NO ACCESSIBLE NEUTRAL NO ACCESSIBLE NEUTRAL ON WYE WINDING emis VANGUARD 050108V5 ATRT 01 01B S3 USER S MANUAL REV1 mE WINDING TESTED SPEC
3. gt oO gt Dyn7 NO ACCESSIBLE Dy NEUTRAL ON WYE WINDING HH EN gt O ou NO Dy9 ACCESSIBLE NEUTRAL ON WYE WINDING oO Go a Dyn9 o Oo o a 331 313 I z AE S E O m Dyn1 1 T c c o ACCESSIBLE NEUTRAL ON WYE WINDING Dy11 Dzn0 I OID gt O I m gt Dzn2 O gt AUSTRALIAN 050108A2 REV1 ATRT 01 01B S3 USER S MANUAL TRANSFORMER CONFIGURATION m WINDING TESTED SPEC TEST NO HIGH VOLTAGE LOW VOLTAGE ExT M VECTOR E VOLTAGE VOLTAGE TURN NOTE A b w A se NO ACCESSIBLE NEUTRAL ACCESSIBLE NEUTRAL I cO NO ACCESSIBLE NEUTRAL BIND SIN x ACCESSIBLE NEUTRAL e ACCESSIBLE NEUTRAL Go ACCESSIBLE NEUTRAL I y o Fin gt SIN x 9 gt AUSTRALIAN 050108A3 ATRT 01 01B S3 USER S MANUAL REV1 TREN _ wapmoresreo HIGH LOW CAL HIGH VOLTAGE LOW VOLTAGE VECTOR NDING xem vottace voutace Tum Veco NOTES L NO ACCESSIBLE NEUTRAL ON WYE WINDING QJ NO ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE
4. Press any key to return to the START UP menu ATRT 01 01B S3 USER S MANUAL REV1 3 7 3 Restoring a Test Record From Flash EEPROM Use the steps below to restore a test record from the ATRT s Flash EEPROM to the working memory a Startfrom the START UP menu Press the 2 key SETUP b The following screen will be displayed Press the 4 key SAVE RESTORE RECORD c The following screen will be displayed re Press the 1 key RESTORE RECORD REV1 ATRT 01 01B S3 USER S MANUAL d The following screen will be displayed RESTORE RECORD 1 EHTER RECORD HUMBER p If you have a USB Flash drive inserted the ATRT s USB port the following screen will be displayed instead of the above screen Press the 1 key INTERNAL STORAGE The following screen will be displayed FESTORE 1 EHTER RECORD HUMBER TO SELECT Continue with the steps below 1 ENTER RECORD NUMBER Press the 1 key ENTER RECORD NUMBER if you know the record number that you would like to restore 1 1 The following screen will be displayed RESTORE RECORD HLIMBER Type the record number using the alpha numeric keypad and then press the ENTER key ATRT 01 01B S3 USER S MANUAL REV1 1 2 The following screen will be displayed RECORD RESTORED 1 RECORD Pressthe 1 key YES to display the tes
5. gt m O z c 1V 2U 1N 2W gt 10 1W 2V 1V 1W 1V B 2U b 1U 1W 1U C O1Ww 2W 1V 1U lt C 2W c Go V O 1W 1V lt C NO ACCESSIBLE Yd5 NEUTRAL ON WYE WINDING 2W 1U 1W c 1V 1U c O lt 1U 1W 1U C Iw ov 1V 1U Oo gt z c z 2V 1W 1V 1U 1W m c N 1U C 1V 1U EE m 1V 2V 1V 1N B b 1W 1N 1U C O1W 20 C 2w 1U 1N w S Ow gt O WwW Plovon gt O ioo hlo Iou FIN DW FIO W FIO DW CEIIEC 050108C4 ATRT 01 01B S3 USER S MANUAL REV1 TRANSFORMER CONFIGURATION SPEC TEST NO HIGH VOLTAGE LOW VOLTAGE WINDING H WINDING X JUMPER zV 1 b oN a 2 c e CO n3 I c n3 c Yz1 z vyne YNzn1 w ves 29 we Co Qu PIou PIOU PIOU FIO FIO WPFPiowd PIN DW FIO PIOU gt mE WINDING TESTED HIGH LOW CAL VOLTAGE VOLTAGE TURN WINDING WINDING RATIO GROUP NOTES 1U 1W 2U 2N NO ACCESSIBLE NEUTRAL ON HIGH VOLTAGE WINDING 2 fwo NO ACCESSIBLE NEUTRAL NO ACCESSIBLE NEUTRAL ON LOW VOLTAGE WINDING ACCESSIBLE NEUTRAL ON HIGH VOLTAGE WINDING
6. 3 7 5 Copying Test Records to a USB Flash Drive Use the steps below to copy one or all test records from the unit s Flash EEPROM to a connected USB Flash drive a b C Make sure a USB Flash drive is connected to the unit s USB MEM port and then start from the START UP menu TEST TRANSFORMER CALCULATOR TIHE 14 21 24 DATE Ha 11 Press the 2 key SETUP The following screen will be displayed RECORD ID TEST VOLTAGE RUM RECORD SET T IME LANGUAGE PTs Fo Press the 4 key SAVE RESTORE RECORD The following screen will be displayed RESTORE RECORD 2 RECORD a RECORD DIRECTORY 4 ERASE RECORD LUPY SU d Press the 5 key COPY TO THUMB DRIVE ATRT 01 01B S3 USER S MANUAL REV1 d The following screen will be displayed COPY REC TO THUMB SIHGLE t 00 da LUPY ALL RECORDS 1 COPY SINGLE RECORD Press the 1 key COPY SINGLE RECORD to copy a single test record from the ATRT s Flash EEPROM to the connected USB Flash drive The following screen will be displayed EHTER RECORD HUMBER TO COPY TO FLASH DRY HLIMBER Type the record number using the alpha numeric keypad and then press the ENTER key The test record will be copied to the USB Flash drive and the following screen will be displayed REC Bee SAVED TO THUME DRIVE Press any key to return to the STA
7. Y high voltage or y low voltage Delta D high voltage or d low voltage Zig zag Z high voltage or z low voltage For example Dyn11 decodes as follows D indicates that the high voltage windings are connected in a Delta configuration Since delta windings do not have a neutral point the N never appears after a D y indicates that the lower voltage winding is in a wye or star configuration n indicates that the lower voltage windings have the neutral point brought out 11 indicates a phase displacement lag of 330 degrees between the Wye and the Delta winding Hi H2 H3 X1 X2 X3 X2 E OA n VECTOR DIAG OS0103VE ATRT 01 01B S3 USER S MANUAL REV1 APPENDIX B Common ANSI Transformer Descriptions WINDING TESTED TESTED pas LOW HIGH VOLTAGE LOW VOLTAGE TURNS WINDING H WINDING X NOTES NOTES 1ph0 SNG PHS FIO Flow FIND gt VANGUARD 050207V1 REV1 ATRT 01 01B S3 USER S MANUAL WINDING TESTED Pimp n n un H WINDING X WINDING WINDING RATIO GROUP Ha Ha Xo X amp D L NO pyi ases jw 2 e I e gt gt gt gt gt 02 gt gt gt gt JI IA no WYE WINDING NO ACCESSIBLE X2 X3 Dy3
8. _ 1 HIGH LOW CAL HIGH VOLTAGE LOW VOLTAGE EXT VECTOR E se ase voltage rum leeson H X ls Ha H4 Xs X H3 H2 H4 H3 Ho H1 NO Yz5 ACCESSIBLE NEUTRAL Q3 YNzn7 C C NO ACCESSIBLE NEUTRAL ON WYE WINDING Yzn7 NO Yz7 ACCESSIBLE NEUTRAL Co o X3 X14 Xo c H3 Ho H3 H2 H3 Ho H1 XQ X3 XQ X2 X4 X3 X1 X3 X2 Hi Hg X Ho Hg H4 M 3 NO ACCESSIBLE NEUTRAL ON WYE WINDING Yzn11 NO ACCESSIBLE NEUTRAL X gt lt co ro N lt e H3 gt lt nN 2 lt gt lt ro gt x co i ACCESSIBLE NEUTRAL ON HIGH VOLTAGE m VANGUARD 050108V6 REV1 ATRT 01 01B S3 USER S MANUAL Prone reste SPEC HIGH LOW JUNIPER Ho H4 X4 X X1 X3 PBB ao na VECTOR GROUP NOTES ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL NO ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL VANGUARD 050108V7 ATRT 01 01B S3 USER S MANUAL REV1 APPENDIX C CEI IEC 60076 1 Transformer Descriptions m WINDING TESTED Ais HIGH LOW CAL HIGH VOLTAGE
9. B and C test results will be displayed on the LCD screen when testing has finished SIE SIBI SE RATIO MHA JU A 15 885 Hal 15 E31 C 15 HOR 121 4 123 2 AFME DMI The phase angles for Phase A B and C are also displayed at the bottom of the test results from left to right respectively Press any key to continue i n mD REV1 ATRT 01 01B S3 USER S MANUAL l The following screen will be displayed KEEP THIS RERDIHG HO Press the 1 key YES to save the reading m The following screen will be displayed TEST SAVED Press any key to continue The above screen will be displayed if there is currently no data in the unit s memory buffer If a test was previously performed or a test record was Norg restored from Flash EEPROM or from a Flash drive the following screen will be displayed instead DATA BUF 1 APPEND PREV DATA 2 CLEAR PREY DATA Press the 1 key APPEND PREV DATA to append the data in the unit s working memory to the current test results or press the 2 key CLEAR PREV DATA to clear any previous data from the unit s memory buffer and only save the current test results The following screen will then be displayed TEST SAVED Press any key to continue F ATRT 01 01B S3 USER S MANUAL n The following screen will be displayed Press the 2 key NO o The following screen will be dis
10. ERASE RECORD d The following screen will be displayed l ERASE FEC da ERASE THUME Press the 2 key ERASE THUMB DRV REC DOM ATRT 01 01B S3 USER S MANUAL e The following screen will be displayed ERASE RECORD l ERASE SIHGLE REL z ERASE ALL RECORDS P PI EAT 1 ERASE SINGLE REC Press the 1 key ERASE SINGLE REC to erase a single test record from the connected USB Flash drive The following screen will be displayed ERASE THUME DRIVE FECE Type the record number that you would like to erase using the alpha numeric keypad and then press the ENTER key The test record will be erased from the USB Flash drive and the following screen will be displayed THUME DRIVE REGGO ERASED Press any key to continue You will be returned to the beginning of step e Press the STOP key to return to the START UP menu 2 ERASE ALL RECORDS Press the 2 key ERASE ALL RECORDS to delete all test records from the connected USB Flash drive The following warning screen will be displayed ERASE ALL THUME DRIVE RECORDS ARE YOU SURE ENTER TO COMTIHUE REV1 ATRT 01 01B S3 USER S MANUAL Press the STOP key if you do not want to erase all the test records You will be returned to the START UP menu Press the ENTER key to proceed with deleting all the test records from the connected USB Flash drive The
11. NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL ON LOW VOLTAGE WINDING l cO AUSTRALIAN 050108A4 REV1 ATRT 01 01B S3 USER S MANUAL SENSOR __ WINING TESTED dba LOW CAL HIGH VOLTAGE LOW VOLTAGE EXT VECTOR EE was Wats mare soms A HV ACCESSIBLE a HIGH VOLTAGE e WINDING L N YNyno T NEUTRAL A N Li ACCESSIBLE NEUTRAL ON n3 LOW VOLTAGE WINDING ACCESSIBLE NEUTRAL ON HIGH VOLTAGE WINDING NEUTRAL NO C ACCESSIBLE NEUTRAL ON WYE WINDING n2 Cc pepe gt 1 O mm gt O m II 111111 gt O m gt gt gt o mao 3 Il dg ai 3 5 ud lt 23 Cc NO b c ACCESSIBLE NEUTRAL Xn NO v ACCESSIBLE a T NEUTRAL ON WYE WINDING AUSTRALIAN 050108A5 00 gt ml gt oy P 3 O TRANSFORMER CONFIGURATION HIGH VOLTAGE LOW VOLTAGE WINDING H WINDING X SPEC TEST NO EXT B A JUMPER II r FIT cO QI e eW Cc c 8 UJ ATRT 01 01B S3 USER S MANUAL REV1 WINDING TESTED HIGH LOW CAL VOLTAGE VOLTAGE TURN VECTOR WINDING WINDING RATIO GROUP ACCESSIBLE NEUTRAL ACCESSIBLE NEUTRAL ON WYE WINDI
12. Type the H name plate voltage value using the keypad The screen will be updated Press the ENTER key The following screen will be displayed Type the X name plate voltage using the keypad The screen will be updated Press the ENTER key The ratio will be calculated and displayed at the bottom of the screen Press any key to return to the START UP menu BEES S SEEN REV1 ATRT 01 01B S3 USER S MANUAL APPENDIX A TRANSFORMER VECTOR GROUP CODES Utility power transformers manufactured in accordance with IEC specifications have a Rating Plate attached in a visible location This plate contains a list of the transformer s configuration and operating specifications One such rating is the winding configuration and phase displacement code This code follows a convention that comprises letter and number sets that denote three phase winding configurations i e Wye delta or zig zag Letter symbols for the different windings are noted in descending order of their rated voltages That is symbols denoting higher voltage ratings will be in upper case letters and symbols denoting lower or intermediate voltage ratings will be in lower case letters If the neutral point of either a wye or zig zag winding is brought out the indication will be an N high voltage or n lower voltage The end numeral is a 300 multiplier that indicates phase lag between windings Accordingly the following standard practice applies Wye or star
13. LOW VOLTAGE EXT TURN VECTOR U1 1W 1W 1V 2V 2W 1U 1W 2U 2W 2V 2U IV 1U 2 2 B C A B C C A B 2 H x salom A B C A B C ass eo GD cO gt O O O o m clo 2 I c o clo cl 2 gt UJ P O O lt lt w e Meme VU1 2 ACCESSIBLE NEUTRAL ON WYE WINDING CEI IEC 050108C1 c l REV1 ATRT 01 01B S3 USER S MANUAL oO Go TRANSFORMER CONFIGURATION m m E SPEC HIGH LOW CAL TEST HIGH VOLTAGE LOW VOLTAGE EXT VOLTAGE VOLTAGE TURN VECTOR NO WINDING JUMPER WINDING WINDING RATIO GROUP NOTES 21 1V 10 2U 2N 1W 1V 2V 2N ACCESSIBLE L Dys NEUTRAL 2U WYE WINDING 1W 1V 2N 2W _ _ ACCESSIBLE nom eee U NEUTRAL ON 2W WYE WINDING _ ACCESSIBLE 2w 2V NEUTRAL ON iW 2W WYE WINDING 1W 1V 2U 2N 1U 1W 2W 2N Dyn5 1U 1W 2W NO 1U 1W 2 2 1U 1W 2W 2U 1U 1W 2V 2N 1V 1U 2N 2U Ut VS Dynt1 U2 1W 1V 2N 2V NO Ut ACCESSIBLE 1V 1U 2W 2U Z Dy11 NEUTRAL ON 2U 2V WYE WINDING A E I OU Flo o gt S ovo gt o o lo o FIO ov FIN D
14. Transformer Connection r 11 5 Typical CT uuu 12 Figure 6 Typical Bushing CT Connection on a Single Transformer 13 REV1 ATRT 01 01B S3 USER S MANUAL CONVENTIONS USED IN THIS DOCUMENT This document uses the following conventions e Thegeneralterm ATRT is used in this manual to refer to the ATRT 01 S3 and ATRT 01B S3 e A key switch or knob on the ATRT is indicated as KEY SWITCH KNOB e Menu names are referenced as MENU NAME e ATRT screen output is shown as e When instructions are provided the menu item that should be selected is outlined with a rectangle as shown below option 3 should be selected e Warning messages are indicated as e Important notes are indicated as e ATRT 01 01B S3 USER S MANUAL REV1 1 0 INTRODUCTION 1 1 General Description and Features The ATRT 01 S3 is Vanguard s fourth generation micro processor based single phase automatic transformer turns ratio tester This portable test unit is available in two models the ATRT 01 S3 line power only and the ATRT 01B S3 rechargeable battery powered The ATRT 01 S3 uses the IEEE C57 12 90 measuring method to determine the transformer turns ratio The transformer turns ratio is determined by precisely measuring the voltages across the unloaded transformer windings The A
15. WINDING 1U 1W 2W 2U N NEUTRAL 1U 1N 2U W NO 1 ACCESSIBLE 1V 1N 2V 2U NEUTRAL ON WYE WINDING TE 1U 1W 2U 2W NO 17 10 10 ACCESSIBLE ur NEUTRAL aw cav 20 2V U1 U2 B C A B C A B C A B C A I ini CEI IEC 050108C7 REV1 ATRT 01 01B S3 USER S MANUAL APPENDIX D Australian Std 2374 Transformer Descriptions HIGH LOW CAL HIGH VOLTAGE LOW VOLTAGE EXT VECTOR Mene vos vice Zs ores ev N C2 cO t O N ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL ON WYE WINDING IC gU gt o I O w gt m FIN 5 BIN FIN co BIN 5 xc FIN FIN WB gt gt AUSTRALIAN 050108A1 ATRT 01 01B S3 USER S MANUAL REV1 CONFIGURATION WINDING TESTED SPEC HIGH Low CAL HIGH VOLTAGE LOW VOLTAGE EXT HIGH Es Se ruse atace vr uni agon ores A gt O O m Dyn5 gt rl slao BIN ww In SEIN WD gt x OQ u 23 gt e gt ol ol gt c NO Dy5 ACCESSIBLE NEUTRAL ON WYE WINDING 00 C QI gt gt I O O gt gt DU UJ O gt gt Ol D gt l gt Ol ol gt Oj gt
16. screen will be displayed Select the transformer configuration by pressing the corresponding key 1 to 6 For this example press the 1 key Dy1 e The following screen will be displayed 1 YES Pressthe 1 key YES if you would like to enter the transformer name plate voltage values The following screen will be displayed Type the H winding name plate voltage value using the numeric keypad The screen will be updated as shown Press the ENTER key The following screen will be displayed ATRT 01 01B S3 USER S MANUAL REV1 MAME PLATE VOLTAGE Type the X winding name plate voltage value using the numeric keypad The screen will be updated as shown HAME FLATE VOLTAGE Press the ENTER key Continue to step f 2 NO Press the 2 key NO if you do not want to enter the transformer name plate voltage Continue to step f 3 USE PREV DATA Press the 3 key USE PREV DATA to use the name plate voltage values entered when performing the last test Continue to step f f The following screen will be displayed momentarily TESTING AT 48 VOLTS Then the following screen will be displayed showing the Phase A cable connections for the selected test this will differ depending on the test selected PHASE A CABLE a Lho T Mla se HisHz T 1 5 START WHEN READY REV1 ATRT 01 01B S3 USER S MANUAL Make the cable connections per the instructions and then pres
17. 01B S3 USER S MANUAL REV1 Type the record number that you would like to erase using the alpha numeric keypad and then press the ENTER key If you do not know the test record number you can first view the test record directory using the instructions in section 3 7 6 The following screen will be displayed while the record is being erased The following screen will be displayed when the test record has been completely erased Press any key to continue You will be returned to the beginning of step d REV1 ATRT 01 01B S3 USER S MANUAL 2 SCROLL TO SELECT Press the 2 key SCROLL TO SELECT to scroll through the test record directory and locate the test record that you would like to erase The following screen will be displayed RECORDS DIRECTOR T SCROLL FHD TO SCROLL RWS Press the Contrast or Contrast v key to scroll through the test record directory The test record header will be displayed as shown SIHGLE PHASE HUH TESTS 1 You can continue to scroll through the record directory by pressing the Contrast A and Contrast v keys Once you have located the test record you would like to erase press the ENTER key The selected test record will be erased and the following screen will be displayed RECORD HUMBER ERASED Press any key to continue You will be returned to the beginning of step d ATRT 01 01B S3 USER S MANUAL REV1 2 ERASE A
18. 1 Press the 2 key SETUP b The following screen will be displayed RECORD ID TEST VOLTAGE UG E 4 SAYE RESTORE RECORD SEI TIME LANGUAGE H BRI Press the 4 key SAVE RESTORE RECORD c The following screen will be displayed RESTORE RECORD 2 RECORD a RECORD DIRECTORY 4 ERASE RECORD Ja LUPY TO THUMHE IU Press the 1 key RESTORE RECORD REV1 ATRT 01 01B S3 USER S MANUAL d The following screen will be displayed 1 IHTEFHRL STORAGE 2 THUMB DEIVE Press the 2 key THUMB DRIVE e The following screen will be displayed REZTORE THUME DRIVE FELL Type the record number that you would like to restore using the alpha numeric keypad and then press the ENTER key f The test record will be restored to the unit s working memory and the following screen will be displayed Ban RESTORED DISPLAY RECDRED LES Press the 1 key YES to display the restored test record g The basic information about the restored test record will be displayed as shown below SIHMDLE PHASE HUM TESTS 1 een cen e ATRT 01 01B S3 USER S MANUAL REV1 Press the Contrast v key The test record details will be displayed as shown below Press the STOP key to return to the START UP menu The restored test record will remain loaded in the working memory REV1 ATRT 01 01B S3 USER S MANUAL
19. Blow AY VAPNOGUARD ARSTRUMENWTS COM WW Figure 4 Typical Auto Transformer Connection ATRT 01 01B S3 USER S MANUAL REV1 X4 X5 T U R T 2 Vanguard Instruments Co Inc ATRT 017 3 Automatic Transformer Ratio Tester q Ss ey eel a Ore PODOS tal om OOD AS 232C ms USB MEM 120 240 Vac 50 60Hz Fuse 250Vac Fast Blow Figure 5 Typical CT Connection REV1 ATRT 01 01B S3 USER S MANUAL JUMPER LEAD Vanguard Instruments Co Inc 0173 Automatic ACORN ooo i TRAST ka Fa Fy NTER CLEAR STOP 120 240 Vac 2 50 B Hz Fuse 250Vac Fast Blow HA Figure 6 Typical Bushing CT Connection on a Single Transformer LEN o ll ATRT 01 01B S3 USER S MANUAL REV1 322 Setting the Test Voltage The ATRT offers two test voltages 4 Vac and 40 Vac The unit always defaults to 40 Vac at power on The 4 Vac test voltage can be used in situations where the 40 Vac excitation voltage may saturate the CT s To set the test voltage a Turn on the unit and start from the START UP menu TEST TRANSFORMER CALCULATOR TIME 14 21 24 IME 14 21 24 DATE Hae S411 DATE Hae S411 ATRT 01 S3 START UP menu ATRT 01B S3 START UP menu Press the 2 key SETUP b The following screen will be displayed RECORD II TEST VOLTAGE RECORD OOHWEZRESTORE RE
20. CAL SPECIFICATIONS INPUT POWER MEASURING METHOD RATIO MEASURING RANGE TURNS RATIO ACCURACY TEST VOLTAGE PHASE ANGLE MEASUREMENT POLARITY READING EXCITATION CURRENT READING RANGE DISPLAY COMPUTER INTERFACE PC SOFTWARE INTERNAL TEST RECORD STORAGE EXTERNAL TEST RECORD STORAGE SAFETY ENVIRONMENT HUMIDITY MAX ALTITUDE MAX CABLES OPTIONS WARRANTY Transformer Turns Ratio Tester Dimensions 12 x 10 x 8 30 4 cm x 25 4 cm x 20 3 cm Weight 9 lbs 4 3 Kg 90 to 240 Vac 50 60 Hz Battery SLA battery delivering up to 4 hours of continuous operation per charge ANSI IEEE C57 12 90 0 8 15 000 5 digit resolution 40 Vac 0 8 1 999 0 1 2 000 3 999 0 25 4 000 15 000 1 4 Vac 0 8 1 999 0 1 2 000 3 999 0 25 4 000 15 000 2 4 Vac 500mA 40 Vac 70mA 0 360 degrees Accuracy 0 2 degree 1 digit In Phase or Out of Phase indication 0 2 Amperes Accuracy 296 of reading 1 mA Back lit LCD 128 x 64 pixels viewable in direct sunlight and low light levels RS 232C Windows XP Vista 7 Transformer Analysis Software included with purchase 128 records of 33 readings Up to 999 test records on external USB Flash drive Designed to meet IEC 61010 1995 UL 61010A 1 and CSA C22 2 standards Operating 10 C to 50 C 15 F to 122 F Storage 30 C to 70 C 22 F to 158 F 90 RH 40 C 104 F non condensing 2000m 6562 ft to full safety specifications
21. CORD TIME LANGUAGE SET 38568 Hz RECORD ID 4 TEST VOL TAGE FRIHT RECORD SAVE RESTORE RECORD TIME LANGUAGE Pri Fall 1 Diu KH QE Pri Fa ATRT 01 S3 ATRT 01B S3 Press the 2 key TEST VOLTAGE c The following screen will be displayed 1 4 VOLTS 46 VOLTS Press the 1 key 4 VOLTS to select 4 volts as the test voltage or press the 2 key 40 VOLTS to select 40 volts as the test voltage REV1 ATRT 01 01B S3 USER S MANUAL d The voltage will be set and the following confirmation message will be displayed Press any key to return to the START UP menu ATRT 01 01B S3 USER S MANUAL 3 3 Setting the Date and Time To set the date and time a Start from the START UP menu TEST TRANSFORMER CALCULATOR TIME 14 21 24 DATE 554 711 Press the 2 key SETUP b The following screen will be displayed RECORD ID EST YOLTAGE FRIHT RECORD OOHWEZCZRESTORE RECORD TIME LANGUAGE H Fo Press the 5 key SET TIME c The following screen will be displayed EHTER DATE Type in the date using the alpha numeric keypad The following screen will be displayed EHTER TIME HH HM Sz Enter the time using the alpha numeric keypad When the time has been entered you will be immediately returned to the START UP menu RE
22. E PC SOFTWARE INTERNAL TEST RECORD STORAGE EXTERNAL TEST RECORD STORAGE SAFETY ENVIRONMENT HUMIDITY MAX ALTITUDE MAX CABLES OPTIONS WARRANTY Transformer Turns Ratio Tester Dimensions 12 x 10 x 8 30 4 cm x 25 4 cm x 20 3 cm Weight 8 lbs 3 6 Kg 120 or 240 Vac Selectable 50 60 Hz ANSI IEEE C57 12 90 0 8 15 000 5 digit resolution 40 Vac 0 8 1 999 0 1 2 000 3 999 0 25 4 000 15 000 1 4 Vac 0 8 1 999 0 1 2 000 3 999 0 25 4 000 15 000 2 4 Vac 3 1 0A 40 Vac 0 6A 0 360 degrees Accuracy 0 2 degree 1 digit In Phase or Out of Phase indication 0 2 Amperes Accuracy 296 of reading 1 mA Back lit LCD 128 x 64 pixels viewable in direct sunlight and low light levels RS 232C Windows XP Vista 7 Transformer Analysis Software included with purchase 128 records of 33 readings Up to 999 test records on external USB Flash drive Designed to meet IEC 61010 1995 UL 61010A 1 and CSA C22 2 standards Operating 10 C to 50 C 15 F to 122 F Storage 30 C to 70 C 22 F to 158 F 90 RH 40 C 104 F non condensing 2000m 6562 ft to full safety specifications One 15 ft 4 6m Single phase cable one power cord one cable bag Transportation Case Can hold unit and cables One year on parts and labor REV1 ATRT 01 01B S3 USER S MANUAL 1 2 2 ATRT 01B S3 Technical Specifications Table 2 ATRT 01B S3 Technical Specifications TYPE PHYSI
23. ENS ON WYE WINDING VANGUARD 050108V1 ATRT 01 01B S3 USER S MANUAL REV1 NUN NUN FIGURATION HIGH VOLTAGE LOW VOLTAGE WINDING H WINDING X EXT TEST JUMPER NO C I I 5 rlou hlovo gt OS FIN DW FIO 5 Plou FIO o C A C WINDING TESTED CAL VECTOR TUM ME Norgs Jepe ACCESSIBLE NEUTRAL ON WYE WINDING HIGH LOW VOLTAGE VOLTAGE WINDING WINDING B m t ACCESSIBLE NEUTRAL ON WYE WINDING Dy NO ACCESSIBLE NEUTRAL ON WYE WINDING ACCESSIBLE Dy11 NEUTRALON WYE WINDING VANGUARD 050108V2 REV1 ATRT 01 01B S3 USER S MANUAL VOLTAGE VOLTAGE TURN VECTOR WINDING WINDING RATIO GROUP NOTES CONFIGURATION WINDING TESTED WINDING WINDING X JUMPER ACCESSIBLE NO ACCESSIBLE NEUTRAL I e NO ACCESSIBLE NEUTRAL NO ACCESSIBLE NEUTRAL o Cc gt lt P E gt gt lt Go 2 ho te na g ACCESSIBLE NEUTRAL C no NO ACCESSIBLE NEUTRAL VANGUARD 050108V3 ATRT 01 01B S3 USER S MANUAL REV1 CAL Meere nour NOTES S zs WINDING TESTED TESTED TRANSFORMER CONFIGURATION HIGH VOLTAGE LOW VOLTAGE EXT BL WINDING WINDING X JUMPER Bass Hi Ho X2 X1 X4
24. LL RECORDS Press the 2 key ERASE ALL RECORDS to erase all the test records from the unit s internal Flash EEPROM The following warning screen will be displayed ERASE ALL RECORDS ARE YOU SURE ENTER TO COMTIHUE You can press the STOP key to cancel the process and return to the START UP menu Press the ENTER key to proceed with deleting all the test records from the unit s Flash EEPROM The following screen will be displayed during the erasure process ERASING RECORDS PLEASE WAIT The following screen will be displayed when all test records have been completely erased RECORDS ERASED Press any key to return to the START UP menu REV1 ATRT 01 01B S3 USER S MANUAL 3 7 8 Erasing Test Records from a USB Flash Drive Follow the steps below to erase test records from a USB Flash drive a Make sure a USB Flash drive is connected to the unit s USB MEM port and then start from the START UP menu TEST TRANSFORMER a CALCULATOR TIHE 14 21 24 7211 Press the 2 key SETUP b The following screen will be displayed RECORD ID TEST VOLTAGE 5 i SET TIME LANGUAGE PTs LH BIG Press the 4 key SAVE RESTORE RECORD c The following screen will be displayed RESTORE RECORD SAVE RECORD TU ERR a ERASE RECORD TO THUME DEIVE pH l bei Bo Press the 4 key
25. NG NO ACCESSIBLE NEUTRAL Fi coi liloliomoi iOo u C NO ACCESSIBLE NEUTRAL ON WYE WINDING C NO ACCESSIBLE NO ACCESSIBLE NEUTRAL ON HIGH VOLTAGE gt AUSTRALIAN 050108A6 REV1 ATRT 01 01B S3 USER S MANUAL TRANSFORMER CONFIGURATION HIGH VOLTAGE LOW VOLTAGE WINDING H WINDING X SPEC TEST NO EXT B A JUMPER II r FIT cO QI e eW Cc c 8 UJ WINDING TESTED HIGH LOW CAL VOLTAGE VOLTAGE TURN VECTOR WINDING WINDING RATIO GROUP ACCESSIBLE NEUTRAL ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL Fi coi liloliomoi iOo u NO ACCESSIBLE NEUTRAL ON WYE WINDING I gt OG gt A a c NO ACCESSIBLE NEUTRAL NO ACCESSIBLE NEUTRAL ON HIGH VOLTAGE gt AUSTRALIAN 050108A6 Vanguard Instruments Company Inc 1520 S Hellman Ave e Ontario CA 91761 e USA Phone 909 923 9390 e Fax 909 923 9391 www vanguard instruments com Copyright 2011 by Vanguard Instruments Company Inc ATRT 01 01B S3 User s Manual e Revision 1 0 e May 31 2011 e TA
26. NO ACCESSIBLE NEUTRAL NO ACCESSIBLE NEUTRAL ON WYE WINDING NO ACCESSIBLE NEUTRAL NO ACCESSIBLE NEUTRAL ON WYE WINDING 050108 5 REV1 ATRT 01 01B S3 USER S MANUAL I mon reste HIGH LOW CAL HIGH VOLTAGE LOW VOLTAGE EXT VECTOR TEST WINDING WINDING X RATIO GROUP NOTES oU 1W 1V A 1U 1W 2W 20 NO B 1U 1W 1V 1U 2u 2v 5 5 vz5 ACCESSIBLE 28 A U2 2 NEUTRAL 1U 1V 1U 1W 1V 2V 2W 1U 1W 2N 2U V3 ACCESSIBLE 1V 1U EE 2V CLAS Yzn7 NEUTRAL ON WYE WINDING 1W 1V 2N 2W 1U 1W 2U ww av 2u m 1V 1U 2w 2V 1 23 Yz7 ACCESSIBLE U2 2 NEUTRAL 1W 1V 2U 2W 1U 1W 1tU 1W 2N 2W 2W 1U 1W 2N 2W NO _ Yzn1 1 ACCESSIBLE 1W 1V ON 2V WYE WINDING 1U 1W 2U 2W 2W NO iine U1 ACCESSIBLE z 280 neuron 29 1W 1V 1U 1W 30 1V 1U 67 2W 31 A Own PION WD FIO Po O G FIN DW gt O DW gt WwW FIN gt O 1W 1V 32 2 1U 1W 1V 1U 1V 1W a 2U A 55 C 1W 1U 1N B 1v 2W 5 2V 1U 1V 10 wl 1V 1W A 1W 1U 57 C 1W B 1V 2U 1U 1V CEI IEC 050108C6 ATRT 01 01B S3 USER S MANUAL REV1 URN mE WINDING TESTED HIGH LOW CAL HIGH VOLTAGE LOW VOLTAGE EXT VECTOR po WINDING WINDING Ratio croup NOTES ACCESSIBLE MSN p mew NEUTRAL ON WYE
27. One 15 ft 4 6m Single phase cable one power cord one cable bag Transportation Case Can hold unit and cables One year on parts and labor ATRT 01 01B S3 USER S MANUAL REV1 1 2 3 Controls and Indicators The ATRT 01 S3 and ATRT 01B S3 controls and indicators are shown in Figure 1 and Figure 2 respectively A leader line with an index number points to each control and indicator which is cross referenced to a functional description in the corresponding table The purpose of the controls and indicators may seem obvious but users should familiarize themselves with them before using the ATRT Accidental misuse of the controls will usually cause no serious harm Users should also familiarize themselves with the safety summary information found on the front page of this User s Manual REV1 ATRT 01 01B S3 USER S MANUAL Vanduard Instruments Co Inc ATRT 01 lt AWomatic Transtormer Ratio Tester ia J A 120 240 fac 24 50 60Hz Fuge 2 0 Vac 3A Fast Blow ES Figure 1 ATRT 01 S3 Controls and Indicators Table 3 Functional Descriptions of ATRT 01 S3 Controls and Indicators Item Number Panel Markings Functional Description 1 USB MEM USB Flash drive interface 2 RS 232C RS 232C computer interface port 3 Back lit LCD screen 128 x 64 pixels viewable in direct sunlight and low light levels 4 H and X lead connector 16 pin male 5 Voltage selection switch 6 120 240 Vac 2A 50 60Hz Inp
28. RT UP menu REV1 ATRT 01 01B S3 USER S MANUAL 2 COPYALL RECORDS Press the 2 key COPY ALL RECORDS to copy all test records from the ATRT s Flash EEPROM to the connected USB Flash drive All test records will be copied from the unit to the connected USB Flash drive The following screen will be displayed when the process is finished Press any key to return to the START UP menu ATRT 01 01B S3 USER S MANUAL REV1 3 7 6 Viewing the Test Record Directory Use the steps below to browse through a directory of the test records stored in the ATRT s Flash EEPROM memory a Startfrom the START UP menu Press the 2 key SETUP b The following screen will be displayed Press the 4 key SAVE RESTORE RECORD c The following screen will be displayed re Press the 3 key RECORD DIRECTORY REV1 ATRT 01 01B S3 USER S MANUAL d The following screen will be displayed Press the Contrast or Contrast v key to scroll through the test record directory The test record header will be displayed as shown You can continue to scroll through the record directory by pressing the Contrast and Contrast v keys Press the STOP key to return to the START UP menu ATRT 01 01B S3 USER S MANUAL REV1 3 7 7 Erasing Test Records from the Flash EEPROM Follow the steps below to erase test records from the Flash EEPROM a Startfrom the START UP menu TEST TEAN
29. SFORMER i CALCULATOR TIME 14 21 54 DATE 052411 Press the 2 key SETUP b The following screen will be displayed RECORD ID TEST VOLTAGE ai RECORD SET T IME LANGUAGE H ie Pri PRI Press the 4 key SAVE RESTORE RECORD c The following screen will be displayed REZTOURE RECDORI SAVE RECORD pH Pal ipi Pa P TO THUME DRIVE Press the 4 key ERASE RECORD REV1 ATRT 01 01B S3 USER S MANUAL d The following screen will be displayed ERASE RECORD l ERASE SIHGLE REL z ERASE ALL RECORDS i If you have a USB Flash drive inserted in the ATRT s USB MEM port the following screen will be displayed instead of the above screen NOTE f 1 EFASE REC 2 ERASE THUMB DRY REC Press the 1 key ERASE INTERNAL REC The following screen will be displayed ERASE RECORD l ERASE SIHGLE REL z ERASE ALL RECORDS STOP U T fed Continue with the steps below 1 ERASE SINGLE REC Pressthe 1 key ERASE SINGLE REC to erase a single test record from the unit s internal Flash EEPROM The following screen will be displayed ERASE RECORD 1 EHTER RECORD HUMBER s spe le 1 ENTER RECORD NUMBER Press the 1 key ENTER RECORD NUMBER if you know the record number that you would like to erase The following screen will be displayed ATRT 01
30. TRT 01 S3 s measuring circuitry self adjusts before each measurement to ensure turns ratio accuracy Two selectable test voltages 4Vac and 40Vac offer flexibility in testing different types of transformers The ATR 01 S3 can measure turns ratios ranging from 0 8 to 15 000 and can be used to test voltage regulators power transformers current transformers CT and potential transformers PT The ATRT 0O1 S3 also measures and displays transformer winding excitation current winding polarity and winding phase angle Test results are displayed on a back lit LCD screen 128 x 64 pixels that is viewable in bright sunlight and low light conditions In addition to measuring a transformer s turns ratio the transformer s name plate voltages can also be entered and the ATRT 01 S3 will then display the turns ratio percentage error This convenient feature eliminates any user calculation errors when testing transformers When testing a 3 phase transformer the ATRT 01 S3 provides connection information H and X test leads to the transformer bushings for phase A B and C tests The three phase test results turns ratio excitation current winding polarity phase angle and percentage error are displayed on the LCD screen User Interface The ATRT 01 S3 features a back lit LCD screen 128 x 64 pixels that is viewable in direct sunlight and low light levels A rugged 16 key membrane keypad is used to enter test information and to operate the unit T
31. USER S MANUAL Vanguard Instruments Company Inc 1520 S Hellman Ave Ontario California 91761 USA 2011 73 9391 Revision 1 ATRT 01 01B S3 USER S MANUAL REV1 SAFETY SUMMARY This manual applies to both the ATRT 01 S3 and ATRT 01B S3 current transformer turns ratio meters The operating procedures are virtually the same for both models and any differences are clearly described where applicable FOLLOW EXACT OPERATING PROCEDURES Any deviation from procedures described in this User s Manual may create one or more safety hazards damage the ATRT 01 01B S3 damage the test transformer or cause errors in the test results Vanguard Instruments Company Inc assumes no liability for unsafe or improper use of the ATRT 01 01B S3 SAFETY WARNINGS AND CAUTIONS The ATRT 01 01B S3 shall be used only by trained operators All transformers under test shall be off line and fully isolated Do not perform test procedures or service unless another person is also present who is capable of rendering aid and resuscitation DO NOT MODIFY TEST EQUIPMENT To avoid the risk of introducing additional or unknown hazards do not install substitute parts or perform any unauthorized modification to any ATRT 01 01B S3 test unit To ensure that all designed safety features are maintained it is highly recommended that repairs be performed only by Vanguard Instruments Company factory personnel or by an authorized repair service provider Unauthoriz
32. V1 ATRT 01 01B S3 USER S MANUAL 3 4 Setting the Interface Language Follow the steps below to set the interface language English Spanish or Turkish a Start from the START UP menu TEST TRANSFORMER CALCULATOR TIME 14 21 24 DATE Ha 11 Press the 2 key SETUP b The following screen will be displayed RECORD ID TEST VOLTAGE FRIHT RECORD OOHWEZCZRESTORE RECORD TIME LANGUAGE Cu bei Fo Press the 6 key SET LANGUAGE c The following screen will be displayed EHGLISH 2 TURE TSH SPAM SH Select the preferred interface language by pressing the corresponding key on the keypad 1 2 or 3 The interface language will be set and a confirmation screen will be displayed as shown below EMGLISH SET Press any key to return to the START UP menu ATRT 01 01B S3 USER S MANUAL REV1 3 5 Setting the Frequency ATRT 01B S3 Only Follow the steps below to set the preferred frequency 50 or 60 Hz a Start from the START UP menu TIME 14 21 24 DATE 5224211 Press the 2 key SETUP b The following screen will be displayed RECORD ID TEST VOLTAGE FRIHT RECORD COHWEZCZRESTORE RECORD TIME LANGUAGE HZ i Boa Press the 7 key SET 50 60 HZ c The following screen will be displayed Select the preferred
33. W Flow FIO v 050108 2 c ATRT 01 01B S3 USER S MANUAL REV1 mE WINDING TESTED 7 HIGH LOW CAL NO WINDING JUMPER WINDING WINDING RATIO GROUP NOTES A 1U 1V 1U 1V 1V 2W 2V 2V NO 19 2U 2W ACCESSIBLE NEUTRAL 1W 1U 2V 2U ACCESSIBLE NEUTRAL 020 _ x ud Er 1W 1U 1U 2U 2V 2V EXE 1V 1W 9N 2U 2U 1U 1V 2W iv 1w 2v 2U Dz10 accessiBLe U2 NEUTRAL iw iU 2V cO Go O FIN O Flow gt O G jouw OU Plou slow ov CEI IEC 050108C3 REV1 ATRT 01 01B S3 USER S MANUAL oona esre HIGH LOW CAL HIGH VOLTAGE LOW VOLTAGE VOLTAGE VOLTAGE TURN VECTOR NO WINDING X JUMPER WINDING WINDING RATIO GROUP NOTES 1U 1N 1N 2V 2V 2U 2W 2V YNd7 U1 TET 10 me ACCESSIBLE ese PE Y ACCESSIBLE Seo 1U 1N 1N 2U 2W 2W Em 1W 1N 2W 2V ACCESSIBLE 1V 1U 2V 2U 11 NEUTRAL ww Liv 2W WYE WINDING 1U 1N 2N 2U U1 1V 1N 2N 2V m YNyn6 1W 1N 2N 2W 1U 1N 2U 2V NO in ACCESSIBLE 1V 1N 2V 2W YNyO NEUTRAL ON LOW VOLTAGE 1W 1N 2W 20 WINDING 2U 2V
34. ed modifications can cause safety hazards and will void the manufacturer s warranty WARNING Do not remove test leads during a test Failure to heed this warning can result in electrical shock to personnel and damage to the equipment REV1 ATRT 01 01B S3 USER S MANUAL TABLE OF CONTENTS CONVENTIONS USED IN THIS DOCUMENTT 1 FEM Wie pis N 2 1 1 General Description and Features QE S Qut Ra r 2 1 2 Technical SDBelliC dti OUS ases de capui uc runs EORUM NC Ses 4 1 2 1 ATRT 01 S3 Technical 5 6 4 1 2 2 ATRT 01B S3 Technical Specifications 5 1 2 29 COM CONS and uu ub 6 20 PRETE T SETUP M 9 2 1 ATRT 01 S3 Operating 9 2 2 ATRTOLB EEEE 9 223 TCD 9 30 MEMMIUS 10 3 1 ATRT Transformer Connection 10 he Test euim 14 33 and 16 3 4 Setting the I
35. est Record Storage The ATRT 01 S3 can store 128 records of 33 readings internally and up to 999 test records on an external USB Flash drive Test records can be recalled using the included Transformer Analysis PC software Computer Interface A Windows based XP Vista 7 Transformer Analysis Software is provided with each unit and can be used to remotely control the ATRT 01 S3 via the RS 232C port Using the Transformer Analysis software the user can retrieve test records from the ATRT 01 S3 s memory or a USB Flash drive analyze test results and print test results on a desktop printer Test results are automatically exported to PDF Excel and XML formats EE REV1 ATRT 01 01B S3 USER S MANUAL Battery Power for Exceptional Portability The ATRT 01B S3 is powered by a 6 volt 7 ampere hour lead acid battery This high capacity battery coupled with the ATRT 01B S3 s low power consuming circuitry allows the unit to be used continuously for up to 4 hours per charge A built in charger allows the unit to be used during charging ATRT 01 01B S3 USER S MANUAL REV1 1 2 Technical Specifications 1 2 1 ATRT 01 S3 Technical Specifications Table 1 ATRT 01 S3 Technical Specifications TYPE PHYSICAL SPECIFICATIONS INPUT POWER MEASURING METHOD RATIO MEASURING RANGE TURNS RATIO ACCURACY TEST VOLTAGE PHASE ANGLE MEASUREMENT POLARITY READING EXCITATION CURRENT READING RANGE DISPLAY COMPUTER INTERFAC
36. following screen will be displayed when all the records have been erased Press any key to return to the START UP menu ATRT 01 01B S3 USER S MANUAL REV1 3 8 Using the Turns Ratio Calculator The ATRT 01 and ATRT 01B S2 feature a turns ratio calculator that can be used to calculate the turns ratio for various transformer types The user only needs to provide the H and X name plate voltage values and the unit will calculate the turns ratio Follow the steps below to use the turns ratio calculator a Start from the START UP menu Press the 3 key CALCULATOR b The following screen will be displayed Select the transformer configuration by pressing the corresponding key on the keypad You can press the 6 key NEXT PAGE to view additional transformer configuration types For this example press the 3 key Yd to select the Y dT transformer type REV1 ATRT 01 01B S3 USER S MANUAL c The following screen will be displayed 1 YES Pressthe 1 key YES if HO is accessible The following screen will be displayed Select the transformer configuration by pressing the corresponding key Continue to step d 2 NO Press the 2 key NO if HO is not accessible The following screen will be displayed Select the transformer configuration by pressing the corresponding key Continue to step d ATRT 01 01B S3 USER S MANUAL REV1 d The following screen will be displayed
37. for up to 6 hours between charges It can also be used while charging Plugging the ATRT 01B S3 into an ac power outlet after the battery is fully charged will not damage the battery 2 3 LCD Screen Contrast Control To increase the LCD screen contrast press and hold the Contrast key for two seconds Release the button when the desired contrast level has been reached To decrease the LCD screen contrast press and hold the v Contrast key for two seconds Release the button when the desired contrast level has been reached For the ATRT 0O1B S3 the back light turns off after 30 seconds of operation to conserve power Press any key on the keypad to re light the back light ATRT 01 01B S3 USER S MANUAL REV1 3 0 OPERATING PROCEDURES 3 4 ATRT Transformer Connection Diagrams H1 H1 X1 j Vanguard Instruments Co Inc ATRT 017 3 Automatic Transformer Ratio Tester A RS 232C Ss USB MEM 5 A JKL CONTRAST 7 8 9 CONTRAST PORS WXYZ 120 240 Vac 2A S0 BOHz i Fuse 250Vac Fast Blow VASO ADS TRUBNT HTS COM Figure 3 Typical Single Phase Transformer Connection REV1 ATRT 01 01B S3 USER S MANUAL Vanguard Instruments Co Inc ATRT 01 3 Automatic Transformer Ratio Tester AS 232C Ss USE MEM 2 3 START 1 5 A JKL CONTRAST T 9 CONTRAST PQRS WXYZ w ENTER CLEAR STOP 120 240 Vac 2 50 60Hz s Fuse 250Vac Fast
38. frequency by pressing the corresponding key on the keypad 1 or 2 The frequency will be set and a confirmation screen will be displayed as shown below Press any key to return to the START UP menu REV1 ATRT 01 01B S3 USER S MANUAL 3 6 Performing Tests 3 6 1 Entering Test Record Header Information You can enter the test record header information before performing tests The record header includes identifying information such as the company station circuit manufacturer etc Once the header information has been set it will apply to all subsequent test records Follow the steps below to enter the test header information a Start from the START UP menu TEST TRANSFORMER CALCULATOR TIME jdizirzd DATE 11 Press the 2 key SETUP b The following screen will be displayed TEST VOLTAGE FRIHT RECORD COHWEZCZRESTORE RECORD TIME LANGUAGE i PRG Press the 1 key RECORD ID c The following screen will be displayed COMPAR 5 te TO POSITION ENTER T ACCEPT Type the company name using the alpha numeric keypad When pressing a key the corresponding number on the key will be displayed first Pressing the key again will display the first letter on the key Pressing the key again will display the second letter on the key For example to type the letter you must press the 2 key twice To erase the characte
39. fter performing a test they will still remain in the working memory and can be saved later as long as a new test has not been performed and the unit has not been turned off Follow the steps below to save the test results from the working memory to a test record the following procedure can also be used to re save a restored test record to a new memory location or to a USB Flash Drive a Perform a test or restore a test record to the working memory see section 3 7 3 and 3 7 4 and then start from the START UP menu Press the 2 key SETUP b The following screen will be displayed Press the 4 key SAVE RESTORE RECORD c The following screen will be displayed Press the 2 key SAVE RECORD EE REV1 ATRT 01 01B S3 USER S MANUAL Ifa USB Flash drive is connected to the unit continue to step d Ifa USB Flash drive is NOT connected to the unit continue to step e d The following screen will be displayed SAVE IHTERHRALLY SAVE TO THUME DRIVE 1 SAVE INTERNALLY Press the 1 key SAVE INTERNALLY to save the test record to the unit s Flash EEPROM Continue to step e 2 SAVE TO THUMB DRIVE Press the 2 key SAVE TO THUMB DRIVE to save the test record to the connected USB Flash drive The following screen will be displayed REC EL SAVED THUME DRIVE Press any key to return to the START UP menu e The following screen will be displayed RECORD HUMBER 2 HAS BEEH SAVED
40. nterface Language enne ness nnne nan 17 3 5 Setting the Frequency ATRT 01B S3 18 S Pon Eme 19 3 6 1 Entering Test Record Header Information 19 3 6 2 Testing a Single Phase Transformer r 23 3 6 3 Testing a Three Phase Transformer 28 5 7 Working With Test BeCOFOS cct uice u eaa B bct cR 35 3 7 1 Viewing the Contents of the Working Memory 35 3 7 2 Saving Test Results to a Test Record ccccccsecccsscccseccenecececeeenceteenceeeueeseneeeeeass 36 3 7 3 Restoring a Test Record From Flash 38 3 7 4 Restoring a Test Record From a USB Flash Drive 42 3 7 5 Copying Test Records to a USB Flash Drive 45 3 7 6 Viewing the Test Record 48 3 7 7 Erasing Test Records from the Flash EEPROM 50 3 7 8 Erasing Test Records from a USB Flash Drive
41. pe the transformer s KVA rating using the alpha numeric keypad and then press the ENTER key ATRT 01 01B S3 USER S MANUAL REV1 The following screen will be displayed Type the operator s name using the alpha numeric keypad and then press the ENTER key All header information will be saved and you will be returned to the START UP menu REV1 ATRT 01 01B S3 USER S MANUAL 3 6 2 Testing a Single Phase Transformer Follow the steps below to test a single phase transformer a Startfrom the START UP menu Pressthe 1 key TEST TRANSFORMER b The following screen will be displayed Pressthe 1 key SINGLE PHASE c The following screen will be displayed 3 1 YES Press the 1 key YES if you would like to enter the transformer name plate voltage values The following screen will be displayed ATRT 01 01B S3 USER S MANUAL REV1 MAME PLATE VOLTAGE Type the H winding name plate voltage value using the numeric keypad The screen will be updated as shown HAME FLATE VOLTAGE Type the X winding name plate voltage value using the numeric keypad The screen will be updated as shown HAME FLATE VOLTAGE H HAE Press the ENTER key Continue to step d 2 NO Press the 2 key NO if you do not want to enter the transformer name plate voltage Continue to step d 3 USE PREV DATA Press the 3 key USE PREV DATA to use the name plate voltage
42. played Pressthe 1 key YES to save the test record to the unit s Flash EEPROM p The test record will be saved and the following screen will be displayed Press any key to return to the START UP menu REV1 ATRT 01 01B S3 USER S MANUAL 3 Working With Test Records 3 7 1 Viewing the Contents of the Working Memory Whenever a test is performed or a test record is retrieved the data is stored in the ATRT s working memory You can view the test data using the steps below a Start from the START UP menu TEST TRANSFORMER CALCULATOR TIME 14 21 34 DATE asedii Press the 2 key SETUP b The following screen will be displayed RECORD ID TEST VOLTAGE a RECORD OOHWEZCZRESTORE RECORD TIME LANGUAGE Imo Press the 3 key PRINT RECORD c The basic test record information will be displayed as shown SIHGLE PHASE TESTS 1 Press the Contrast v key The test record details will be displayed as shown below 1 SIHGLE FHASE 46 VOLTS RATIO PIR 2 DIFF 1 HGS ETE ALS Press the STOP key to return to the START UP menu ATRT 01 01B S3 USER S MANUAL REV1 3 7 2 Saving Test Results to a Test Record After performing a test the user is presented the option to save the test results to the unit s Flash EEPROM or to a USB Flash Drive If the test results are not saved immediately a
43. r at the cursor position press the CLEAR key Press the Contrast key to move to the next character Press the Contrast v key to move to the previous character Press the ENTER key when you are done typing the company name E ATRT 01 01B S3 USER S MANUAL REV1 d The following screen will be displayed STATION te TO POSITION ENTER T CCEPT Type the station name using the alpha numeric keypad and then press the ENTER key e The following screen will be displayed f CIRCUIT tel To POSITION ENTER TO Type the circuit information using the alpha numeric keypad and then press the ENTER key The following screen will be displayed MAWUFACTURER fel TO POSITION ENTER T ACCEPT Type the manufacturer name using the alpha numeric keypad and then press the ENTER key REV1 ATRT 01 01B S3 USER S MANUAL g The following screen will be displayed MODEL 5 te TO POSITION ENTER T CCEPT Type the transformer s model information using the alpha numeric keypad and then press the ENTER key h The following screen will be displayed SERIAL HUMBER tel To POSITION ENTER TO Type the transformer s serial number using the alpha numeric keypad and then press the ENTER key The following screen will be displayed EVA EnTIHG fel TO POSITION ENTER T ACCEPT Ty
44. s the START key to run the Phase A test g The following screen will be displayed while the test is being performed TESTIMG LDvYHi1 FHASE A The Phase A test results will be displayed on the LCD screen when testing has finished RATIO MHA ADIFF T COHTIHUE Press the ENTER key to continue h The following screen will be displayed showing the Phase B cable connections for the selected test PHASE CABLE Misa Hi 2 START WHEN READY Make the cable connections per the instructions and then press the START key to run the Phase B test i The following screen will be displayed while the test is being performed TESTIHG LvYHi1 PHASE The Phase A and B test results will be displayed on the LCD screen when testing has finished 00000 ATRT 01 01B S3 USER S MANUAL REV1 RATIO ea MIL 15 ea ee Line 1 of the results shows the Phase A test results and line 2 shows the Phase B test results Press the ENTER key to continue j The following screen will be displayed showing the Phase C cable connections for the selected test PHASE mda T 55s HisHz T H HZ START WHEN READY Make the cable connections per the instructions and then press the START key to run the Phase C test k The following screen will be displayed while the test is being performed TESTIMG LvYHi1 PHASE The Phase A
45. t record 1 3 The basic information about the restored test record will be displayed as shown SIHGLE PHASE HUH TESTS 1 sse nes Tie heals Peres gr Press the Contrast v key The test record details will be displayed as shown 1 SINGLE PHASE VOLTS 2 sE EE 5 RAT 1 8 Press the STOP key to return to the START UP menu The restored test record will remain loaded in the working memory 2 SCROLL TO SELECT Press the 2 key SCROLL TO SELECT to scroll through a directory of the stored test records 2 1 The following screen will be displayed RECORDS DIRECTORY UP TO SCROLL TO SCROLL REV1 ATRT 01 01B S3 USER S MANUAL Press the Contrast button or the Contrast v key to display the next or previous test record respectively The basic test record information will be displayed as shown When you have located the test record that you would like to restored press the ENTER key Continue to step 1 2 on page 40 ATRT 01 01B S3 USER S MANUAL REV1 3 7 4 Restoring a Test Record From a USB Flash Drive Use the steps below to restore a test record from a USB Flash drive to the ATRT s working memory a Make sure the USB Flash drive containing the test record s is inserted in the ATRT s USB Flash drive port USB MEM port Then start from the START UP menu TEST TRANSFORMER CALCULATOR TIHE 14 21 24 DATE Ha 24 1
46. tinue REV1 ATRT 01 01B S3 USER S MANUAL h The following screen will be displayed Press the 2 key NO i The following screen will be displayed Pressthe 1 key YES to save the test record to the unit s Flash EEPROM j The test record will be saved and the following screen will be displayed Press any key to return to the START UP menu ATRT 01 01B S3 USER S MANUAL REV1 3 6 3 Testing a Three Phase Transformer Follow the steps below to test a three phase transformer a Start from the START UP menu TEST TRANSFORMER CALCULATOR TIME 14 21 24 11 Press the 1 key TEST TRANSFORMER b The following screen will be displayed MFMR COMFIG 1 SIMGLE PHASE E z YD 4 DD ar 6 NEXT PAGE als You can press the 6 key NEXT PAGE to view additional transformer types The following screen will be displayed NOTE ASFME COMHFIG 02 V Ea PIG PREVIOUS Select a three phase transformer test by pressing the corresponding key 2 to 5 For this example press the 2 key Dy from the first page to select the Delta to Y phase transformer test c The following screen will be displayed Press the 1 key YES if XO is accessible or the 2 key NO if it is not accessible REV1 ATRT 01 01B S3 USER S MANUAL d The following
47. ut power connector and fused power switch with third wire safety Fuse 250Vac 3A Fast Blow ground 7 Rugged alpha numeric keypad ATRT 01 01B S3 USER S MANUAL REV1 Vanguard Instruments Co Inc ATRT 01B 9 Atomatic Transformer Ratio Tester lla jt i WARNING DO NOT TOUCH R REMOVE TRANSFORMER TEST CABLES DURING TESTING 120 240 Mac Fuse Vac 34 Fast Blow Figure 2 ATRT 01B S3 Controls and Indicators Table 4 Functional Descriptions of ATRT 01B S3 Controls and Indicators Item Number Panel Markings Functional Description 1 USB MEM USB Flash drive interface 2 RS 232C RS 232C computer interface port 3 Back lit LCD screen 128 x 64 pixels viewable in bright sunlight and low light levels 4 H and X lead connector 16 pin male 5 120 240 Vac 2A 50 60Hz Input power connector Fuse 250Vac 3A Fast Blow 6 Rugged alpha numeric keypad 7 CHARGER Battery charging indicator LED lights up when battery is being charged 8 POWER Power switch REV1 ATRT 01 01B S3 USER S MANUAL 2 0 PRE TEST SETUP 21 ATRT 01 53 Operating Voltage The ATRT 01 S3 can be operated from 120 Vac or 240 Vac The power voltage can be set using the voltage selector switch on the front panel see Figure 1 item 5 2 2 ATRT 01B S3 Operating Power The ATRT 01B S3 is powered by a rechargeable 6 Vdc 7 AH sealed lead acid gel battery The unit can operate continuously
48. values entered when performing the last test Continue to step d c C iw ma REV1 ATRT 01 01B S3 USER S MANUAL d The following screen will be displayed Pressthe START key to start the test e The following screen will be displayed while the test is being performed The test results will be displayed on the LCD screen when testing has finished The polarity is displayed as either a plus sign for in phase or a minus sign for out of phase Press any key to continue ATRT 01 01B S3 USER S MANUAL f The following screen will be displayed KEEP THIS RERDIHG Press the 1 key YES to save the reading g The following screen will be displayed TEST SAVED Press any key to continue The above screen will be displayed if there is currently no data in the unit s memory buffer If a test was previously performed or a test record was Norg restored from Flash EEPROM or from a Flash drive the following screen will be displayed instead DATA BUF 1 APPEND PREV DATA 2 CLEAR PREY DATA Press the 1 key APPEND PREV DATA to append the data in the unit s working memory to the current test results or press the 2 key CLEAR PREV DATA to clear any previous data from the unit s memory buffer and only save the current test results The following screen will then be displayed TEST SAVED Press any key to con
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