Interfacing the T4000 & T4400 to Electronic Speed Controllers
Contents
1. L1 L2 L3 x 5 E 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 E 2 SELCO T4000 5 Auto Synchroniser E 2 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 5 3 UNS CIB Close 27 a 3 C B y T 5 a 2 E 5 Aa 3 2 9 22 23 2 9 30 32 2 E SELCO T4400 3 3 Load Sharer 3 3 2 3 4 pi 5 3 8 2 E 8 o E 3 5 N 8 Soft z Load Unload E E 8 2 a L A COM 15 12 Diesel Engine G SPM input Woodward 2301A Version without additional features gt Actuator 33 gags 3 E Pickup aNd anod Copyright O 2001 SELCO A S Page 19 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 11 22301A with Load Sharer 11 2 1 Status Derived from information obtained from the Woodward 2301A LS datasheet 11 2 2 Interfacing The SPM input terminal 25 of the 2301A controller accepts a signal in the range of 5 to 5 VDC equals 3 load shift The output signal of the SELCO T4400 is standard 6 5 to 6 5 VDC with the Variable Out 14 16 set to anti clockwise thus the T4400 output can be connected directly to the auxiliary speed input of the EPG controller It might be necessary to fine tune the Variable Out 14 16 adjustment to match 5 to 5 VDC Terminal numbers refers to the SPM and COM inputs of the 2301A2. Page 13 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 7 3 GSX15 QSK45 and QSK60 7 3 1 Status Confirmed by test 7 3 2 Interfacing The auxiliary speed bias input of the GSX and QSK controllers is accessible through the ECM Connector 03 Connector 03 is a DB25 plug so it is necessary to solder the wires from the Load Sharer output directly to the pins of the DB25 plug The QSX and QSK controller can operate with a 2 5 to 2 5 VDC speed bias signal speed control signal The 5 VDC reference signal ECM pin 6 connects to T4400 terminal 15 while the 2 5 VDC speed bias signal ECM pin 11 connects to T4400 terminal 16 7 3 3 Connection Diagram SELCO T4000 and T4400 with Cummins QSX15 QSK45 and QSK60 L1 L2 L3 SELCO T4000 Auto Synchroniser 7 8 9 10 11 12 13 14 15 16 C B Close mA C B Please contact SELCO regarding connection to other electronic speed controllers Signal adaption might differ between brand and mark SELCO T4400 Load Sharer Soft Load Unload L Diesel Engine E G ECM Connector 03 DB25 NS Cummins GSX15 QSK45 and QSK60 33 Actuator vu 3 28233 rue f S S Copyright 2001 SELCO A S Page 14 of 22 Interfacing SELCO T4000 and T4400
3. The output signal from the T4400 is too strong Reduce the output signal by turning the Variable Out 14 16 counter clockwise The load is generally unstable even when the system is not loaded Check the reference signal of the T4400 terminal 15 Instruments e g multimeters or scopes attached between terminal 14 16 and 15 might disturb the output signal The system becomes unstable when load is transferred to from the parallel running generators Try to increase the Stability turn clockwise on all the SELCO T4400 Stability is a trade off between regulation speed and system stability The load fluctuates after the other generator was unloaded Increase Stability turn clockwise on the T4400 units The T4400 appears to react slowly to load fluctuations Copyright 2001 SELCO A S Page 6 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers A Reduce stability or increase the response of the output signal Turn Stability counter clockwise However be careful not to make the system too sensitive Copyright 2001 SELCO A S Page 7 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 6 Barber Colman 6 1 DYN1 10504 6 1 1 Status Assumed similar to Cummins 3037359 6 1 2 Interfacing The auxiliary speed input terminal 7 of the 10504 controller accepts a signal in the range of 8 to O VDC The output signal of the SELCO T4400 must be adapted in order to f
4. 10794 controller accepts a signal in the range of 8 to O VDC The output signal of the SELCO T4400 must be adapted in order to fit this range This is easily done using a voltage divider constructed from two 10 kOhm resistors connected between 8 VDC terminal 7 and common terminal 11 on the 10794 controller The midpoint of the voltage divider 4 VDC is then used as a reference for the T4400 which will adapt it s output range to 8 to 0 VDC or just about 6 4 3 Connection Diagram SELCO T4000 and T4400 with Barber Colman DYN1 10794 L1 L2 L3 A 5 E 20 21 22 23 24 25 26 27 28 29 30 31 32 E 2 S SELCO T4000 E Auto Synchroniser E E D a 5 CIB Close E 2 l 5 C B 3 a 2 oO d E E El A 3 a 2 g SELCO T4400 3 3 Load Sharer 5 2 3 3 12 14 15 16 3 3 8 D I 3 3 5 2 8 Soft a Load Unload D El 2 8 o a rsa vs o Diesel Engine u Barber Colman DYN1 10794 33 Actuator raTa zgd 383233 Pickup 555 Copyright O 2001 SELCO A S Page 11 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 7 Cummins 7 1 3037359 7 1 1 Status Confirmed by test 7 1 2 Interfacing The auxiliary speed in
5. 5 to 4 5 VDC 11 4 3 Connection Diagram SELCO T4000 and T4400 with Woodward ST 125 L1 L2 L3 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 SELCO T4000 Auto Synchroniser 3 4 7 8 9 10 11 12 13 14 15 16 C B Close Ei I C B e 8 20 22 2 27 28 30 3 2 2 5 SELCO T4400 3 o Load Sharer 3 3 2 3 4 565 6 7 8 9 10 11 12 13 14 15 16 2 5 3 Soft Load Unload L A speed controllers Signal adaption might differ between brand and mark Please contact SELCO regarding conne A PIN Diesel Engine ae or G x Connector Woodward ST 125 Actuator 23 23 5 1 7 COM 316 4 Pickup aNd wOLVNLOV YOLWNLOV Copyright 2001 SELCO A S Page 22 of 22
6. Engine 2 E G ae wu lt lt GAC ESD 51xx or 52xx gt gt Actuator uu 30 665 3 re A 538 Copyright O 2001 SELCO A S Page 15 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 8 2 ESD 53xx 8 2 1 Status Control scheme assumed similar to ESD 51xx 52xx terminals different 8 2 2 Interfacing The auxiliary speed input AUX M of the ESD 53xx accepts a signal in the range of 10 to 0 VDC The output signal of the SELCO T4400 must be adapted in order to fit this range This is easily done using a voltage divider constructed from two 10 kOhm resistors connected between 10 VDC terminal 10V L and battery minus terminal BATTERY C on the GAC speed controller The midpoint of the voltage divider 5 VDC is then used as a reference for the T4400 which will adapt the output range to 10 to 0 VDC depending on the Variable Out 14 16 setting 8 2 3 Connection Diagram SELCO T4000 and T4400 with GAC ESD 53xx L1 L2 L3 SELCO T4000 21 22 23 24 25 26 27 28 29 Auto Synchroniser 30 31 32 11 12 13 14 15 16 C B ah 9 10 C B Close SELCO T4400 Load Sharer Soft Load Unload Diesel Engine speed controllers Signal adaption might differ between brand and
7. Load Dev Set to mid point 0 Diff Frequency Set to mid point 0 also check terminal 29 and 30 Stability Set to point 7 for relatively high stability low adjustment speed Variable out 14 16 Set to 4 5 of maximum for relatively high output voltage span 4 Commissioning and Test 1 10 11 12 13 14 15 Start up the generators one at a time The generators must be running without load with the circuit breaker open Adjust the speed frequency setting Idle on the speed controller to suit the required system frequency 50 or 60 Hz Shut down the generators and make sure that the generator AC outputs are not live Verify that the connections for the voltage and current measurement of the SELCO T4000 and T4400 are connected exactly as described on label located on the top of the units This is very important Connect the SELCO T4000 and T4400 according to the schematic diagram included in this document Pre adjust the SELCO T4000 and T4400 according to the above directions Disconnect the T4000 CLOSE terminals 9 and 10 to avoid automatic closure of the circuit breaker which is practical during commissioning and test Start up the generators one at a time again without load and the circuit breaker open If necessary readjust the speed frequency setting Idle on the speed controller to suit the required system frequency 50 60 Hz The system frequency might have shifted a little due to the impedance
8. mark ection to other electronic Please contact SELCO regarding conn L tov M AUX Pickup Actuator E a o GAC ESD 53xx dnyold dnyold Copyright 2001 SELCO A S Page 16 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 9 Heinzmann 9 1 KG6 and KG16 9 1 1 Status Derived for data sheet and application diagram information not tested 9 1 2 Interfacing The auxiliary speed input terminal C3 of the KG6 KG16 controller accepts a plus minus signal range unknown but presumed 5 to 5 VDC The output signal of the SELCO T4400 is standard 6 5 to 6 5 VDC with the Variable Out 14 16 set to anti clockwise thus the T4400 output can be connected directly to the auxiliary speed input of the KG6 KG16 controller It might be necessary to fine tune the Variable Out 14 16 adjustment to match the voltage range of the speed controller 9 1 3 Connection Diagram SELCO T4000 and T4400 with Heinzmann KG6 KG16 speed controllers Signal adaption might differ between brand and mark Please contact SELCO regarding cont L1 L2 L3 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 SELCO T4000 Auto Synchroniser 3 4 I CIB Close T C B a b hh 17 18
9. output signal of the SELCO T4400 must be adapted in order to fit this range This is easily done using a voltage divider constructed from two 10 kOhm resistors connected between 8 VDC terminal 6 and common terminal on the 10754 controller The midpoint of the voltage divider 4 VDC is then used as a reference for the T4400 which will adapt it s output range to 8 to 0 VDC or just about 6 3 3 Connection Diagram SELCO T4000 and T4400 with Barber Colman DYN1 10754 speed controllers Signal adaption might differ between brand and mark Please contact SELCO regarding conn L1 L2 L3 18 23 24 26 2 30 SELCO T4000 Auto Synchroniser 3 9 10 11 12 13 14 15 16 ape C B Close T C B ve TE VE VER 19 25 26 27 28 29 30 31 32 pi E SELCO T4400 3 3 Load Sharer 5 2 3 2 12 14 15 16 E 2 H Soft Load Unload o K L 7 Diesel Engine 8 eee Barber Colman DYN1 10754 gt gt Actuator gg 2 dd i 28233 peup f 22 Copyright O 2001 SELCO A S Page 10 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 6 4 DYN1 10794 6 4 1 Status Assumed similar to Cummins 3037359 6 4 2 Interfacing The auxiliary speed input terminal 9 of the
10. 19 20 21 22 23 24 25 26 27 28 29 30 31 32 e SELCO T4400 3 3 Load Sharer 5 2 3 2 3 4 5 3 2 Soft Load Unload LAA aoe Diesel Engine E O Heinzmann KG6 KG16 33 Actuator 8 8 8255 dNyOld dNyOld Pickup 0 Copyright 2001 SELCO A S Page 17 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 10 Synchro Start 10 1 APECS 4x00 10 1 1 Status Derived from data sheet and application diagram not tested 10 1 2 Interfacing The analogue speed input terminal 4 of the APECS 4x00 engine governor accepts a signal in the range of 0 VDC to 5 VDC The output signal of the SELCO T4400 must be adapted in order to fit this range This is easily done using a voltage divider constructed from two 10 kOhm resistors connected between 5 VDC terminal 5 and common terminal 2 on the APECS 4000 controller The midpoint of the voltage divider 2 5 VDC is then used as a reference for the T4400 which will adapt it s output range to 0 to 5 VDC or just about 10 1 3 Connection Diagram SELCO T4000 and T4400 with Synchro Start APECS 4000 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 SELCO T4000 Auto Synchroniser 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pea C B Close C B E 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 SELCO T4400 Load Sharer 12 3 4 5
11. 6 7 8 9 10 11 12 13 14 15 16 Soft Load Unload Ros zo gt Diesel Engine Actuator Pickup 0 Please contact SELCO regarding connection to other electronic speed controllers Signal adaption might differ between brand and mark VREF 5 APP 4 SRTN2 Synchro Start APECS 4000 AMAIA NADIA YOLVNALOV YOLVALOV Copyright O 2001 SELCO A S Page 18 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 11 Woodward 11 12301A 11 1 1 Status Derived from information obtained from the Woodward 2301A datasheet 11 1 2 Interfacing The SPM input terminal 15 of the 2301A controller accepts a signal in the range of 5 to 5 VDC equals 3 load shift The output signal of the SELCO T4400 is standard 6 5 to 6 5 VDC with the Variable Out 14 16 set to anti clockwise thus the T4400 output can be connected directly to the auxiliary speed input of the EPG controller It might be necessary to fine tune the Variable Out 14 16 adjustment to match 5 to 5 VDC Terminal numbers refers to the SPM and COM inputs of the 2301A without internal Load Sharing 11 1 3 Connection Diagram SELCO T4000 and T4400 with Woodward 2301A
12. E a 19 11 1 ZOO Ads 19 AS 0 gt eee nee ree ee 19 Pete A ce a a e aiee aaia 19 te e ante 19 11 2 Z30 1A with Load Sharer toni tii 20 SS aie ae a A els rien Seah de waa Monde Reid vad ee oct Pewee ee aa leaden deem nara 20 TU 22 Interfacing eein ciar e daa 20 1123 Connection DIAM dieran il csi Britain 20 11 3 A din edt tase ya AET 21 ASST CAMS A oh cabana aiecteces dtnge shan nem nauat a tonal ideals 21 113 2 AUG RACHA toh ee cae Based taser E eng ae eB a sea balled Ea dae 21 11 3 3 Connection Diageo 21 11 4 Il dai 22 ME A A deidagestccettactatigatetuatstenttcintdehatdviaacshtheeethaclead 22 114 2 interfacing u aa to ds hah slp ethane eis he ann 22 1144 37 Connection Diagram iaeiei aeria aea aa aa aED SEa 22 Copyright 2001 SELCO A S Page 3 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 1 Important Notice The Variable out 14 16 adjustment on early versions of the T4400 delivered before December 1 2001 works opposite of what is described within this document On this early version the Variable Out 14 16 knob must be turned clockwise to decreases the span of the output signal The Stability adjustment on early versions of the T4400 delivered before April 1 2002 works opposite of what is described in this document One this early version the Stability knob must be turned clockwise to decreases stability 2 Preface This document describes the used of various brands and types of electr
13. SELCO Interfacing the T4000 amp T4400 to Electronic Speed Controllers LOAD SHARER T4400 VARIABLE att GUN LINES OUTPUT IN REF 10 1 12 13 14 15 16 User s Manual Revision 020419 SELCO A S Betonvej 10 DK 4000 Roskilde Denmark Phone 45 7026 1122 Fax 45 7026 2522 e mail selco dk selco com www selco com Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers Table of Contents T Important Notice ceca calada nda eden ias id 4 2 O O Ol eat ah 4 3 Pre adusiMe danos 5 3 1 SELCO T4000 Auto SyNChroniZeT oooonccononccocnncccccnnnanonnnnncnnnnnnnnnnnnnnccnnnnnnnnn 5 3 2 SELCO T4400 Load Mater cial ria atados 5 4 COMPMISSIONING and ROS ssl dolce 5 D Trouble Shooting iii IN RA A AR 6 6 gt Barber Colma dia ta a eda EE 8 6 1 DYNT TOS OM a ais cies cet iced sencday sesceetdens ndeaynatevetien aaa 8 6 1 1 A A 8 6 1 2 A NTE 8 6 1 3 Connection DIO orando 8 6 2 DYNT 10054 6084 094 rrisin e ere iai A a bind Metals 9 6 2 1 AU a da ios 9 6 2 2 InteraciNuersicadaia pierdas 9 6 2 3 A Bao AA aidesddedis aces ibanedacaesestlonee genes 9 63 DYNT ADA a 10 6 3 1 A beats vel fea use ner data teed satan AATE D AAE A dads held uns det needa 10 6 3 2 HAUG TPAC ING na ai ia 10 6 3 3 Connection Dia AM di 10 GA DAN TOP UA ia ea 11 6 4 1 e 11 6 4 2 Interaction dia da 11 5439 Connection DIA Mito 11 Po CUMMINS a A A A A A dt 12 PEN BOS A O 12 7 1 1 UALS csr neers tases ati int
14. VDC 11 3 3 Connection Diagram SELCO T4000 and T4400 with Woodward EPG 5xx or 17xx 2 3 4 SELCO T4000 Auto Synchroniser 5 6 7 8 9 10 11 12 13 14 15 16 C B Close H C B 18 19 20 21 22 23 24 25 26 27 SELCO T4400 Load Sharer 28 29 30 31 32 Soft Load Unload Diesel Engine Actuator nection to other electronic speed controllers Signal adaption might differ between brand and mark Please contact SELCO regarding con Pickup _ 2 amp 124 z ane gt T Woodward EPG 5xx or 17xx dNO1d YOLWNLOV YOLWNLOV Copyright 2001 SELCO A S Page 21 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 11 4ST 125 11 4 1 Status Derived from information obtained from the Woodward ST 125 datasheet 11 4 2 Interfacing The auxiliary speed input terminal J1 6 of the ST 125 controller accepts a signal in the range of 4 5 to 4 5 VDC The output signal of the SELCO T4400 is standard 6 5 to 6 5 VDC with the Variable Out 14 16 set to anti clockwise thus the T4400 output can be connected directly to the auxiliary speed input of the ST 125 controller It might be necessary to fine tune the Variable Out 14 16 adjustment to match 4
15. i a o aa a a ace medt eetheaen dalta Paths 12 7 1 2 A aso de Ue Seat aie E E O 12 EAS Connection Diagrams masenna nni a taal tuned bated tea kan tna eee 12 1 2 3002322400 3062323 at Nese eden ai a a e de 13 7 2 1 a 13 7 2 2 A neue AANU ETNEA kE eSa 13 1 Gonnection AA aidesadedissduatbanedeseesunrdenee acts 13 13 G9A107 QSK4S9 and OSK GD tt e coli 14 7 3 1 A E T TAE E E ET AAN 14 7 3 2 Interfacing enar s a A ea a e EErEE 14 7 3 3 Connection Did Me std 14 8 Governors America Corp GAC ooocccccccnnonoconcnoniccconnnononnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnes 15 8 1 ESD 51xx ESD 52xx and ESD 55xxX ccccooccccnccconocononccconcconancnnonaccnnanananccnononas 15 8 1 1 A hde dosh avathan ner A TETEA 15 8 1 2 MULT FACING ses id 15 8 1 3 Connection DIAM uni ici 15 82 BSD B3 Xx ri TEA 16 8 2 1 Stats errnit a e pacagtineth cacti catedtantanddigacde neds ETa ita 16 8 2 2 A nedeydtdeeasabineeei natawnade 16 8 2 3 Connection DIAGN Molland iconos 16 A cea ca See acho dae Pace cs eee ee aai 17 9 1 KG0and FG Taha A ote eenaa aa ines at ase E See end Giana he 17 9 1 1 StatUS id 17 9 1 2 A E A A 17 9 1 3 a A 17 10 MENO ltda near lcedeladallene Stas 18 10 1 ARES AO a toda 18 Copyright O 2001 SELCO A S Page 2 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers TOT A A A A 18 101 2 Interfacing iremen A aa aoea 18 AOS Connection Diagram aaisen a an aAa R AEAEE EASE eA 18 11 A e e finde a RETE EAE A E
16. it this range This is easily done using a voltage divider constructed from two 10 kOhm resistors connected between 8 VDC terminal 6 and common terminal on the 10654 684 694 controller The midpoint of the voltage divider 4 VDC is then used as a reference for the T4400 which will adapt it s output range to 8 to 0 VDC or just about 6 2 3 Connection Diagram SELCO T4000 and T4400 with Barber Colman DYN1 10654 684 694 speed controllers Signal adaption might differ between brand and mark ction to other electronic Please contact SELCO regarding conne El e L2 L3 20 21 22 23 24 25 26 27 28 29 30 31 32 SELCO T4000 Auto Synchroniser 3 9 10 11 12 13 14 15 16 Aya C B Close T C B ee E ee 2 SELCO T4400 Load Sharer 3 12 Soft Load Unload LA Diesel Engine 8 ae Barber Colman DYN1 10654 684 694 gt gt Actuator 233383 2233 Pickup 585822 Copyright O 2001 SELCO A S Page 9 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 6 3 DYN1 10754 6 3 1 Status Assumed similar to Cummins 3037359 6 3 2 Interfacing The auxiliary speed input terminal 7 of the 10754 controller accepts a signal in the range of 8 to O VDC The
17. it this range This is easily done using a voltage divider constructed from two 10 kOhm resistors connected between 8 VDC terminal 6 and common terminal on the 10504 controller The midpoint of the voltage divider 4 VDC is then used as a reference for the T4400 which will adapt it s output range to 8 to 0 VDC or just about 6 1 3 Connection Diagram SELCO T4000 and T4400 with Barber Colman DYN1 10504 SELCO T4000 Auto Synchroniser 7 8 9 10 11 12 13 14 15 16 C B Close ee C B SELCO T4400 Load Sharer ction to other electronic speed controllers Signal adaption might differ between brand and mark Soft Load Unload Please contact SELCO regarding conne L is com Diesel Engine 7 aes Barber Colman DYN1 10504 gt z Actuator 22 33 33 d Pickup NADIA NADIA oa Copyright 2001 SELCO A S Page 8 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 6 2 DYN1 10654 684 694 6 2 1 Status Assumed similar to Cummins 3037359 6 2 2 Interfacing The auxiliary speed input terminal 7 of the 10654 684 694 controller accepts a signal in the range of 8 to 0 VDC The output signal of the SELCO T4400 must be adapted in order to f
18. ns 3037359 however terminals are different 7 2 2 Interfacing The auxiliary speed input terminal K 30 of the 3062322 3 controller accepts a signal in the range of 7 to 0 VDC The output signal of the SELCO T4400 must be adapted in order to fit this range This is easily done using a voltage divider constructed from two 10 kOhm resistors connected between 7 VDC terminal H 28 and common terminal F 12 on the 3062322 3 controller The midpoint of the voltage divider 3 5 VDC is then used as a reference for the T4400 which will adapt it s output range to 7 to 0 VDC or just about 7 2 3 Connection Diagram SELCO T4000 and T4400 with Cummins Controller 3062322 and 3062323 speed controllers Signal adaption might differ between brand and mark Please contact SELCO regarding conn L1 L2 L3 18 23 24 26 27 SELCO T4000 Auto Synchroniser 3 9 10 11 12 13 14 15 16 EEA C B Close T C B ve Ye 19 25 26 27 28 29 30 31 32 pi E SELCO T4400 3 3 Load Sharer 5 3 8 12 14 15 16 E 2 3 E Soft Load Unload i o K ea g g a gt 8 g 2 Diesel Engine z E eee Cummins Controller 3062322 and 3062323 33 EFC A 33 f 2233 Pickup 5522 Copyright O 2001 SELCO A S
19. onic speed controllers together with the SELCO T4000 Auto Synchronizer and the SELCO T4400 Load Sharer The SELCO T4000 and SELCO T4400 are designed for direct control of the electronic speed controller thus no intermediate motorized or electronic potentiometer is required The direct control improves system speed as the relatively slow ramped control signal is replaced by closed loop regulation with electronic feedback and lead lag compensation The schematic diagrams can also be used with the SELCO T4300 however one should note that the output terminals numbers are not the same as on the SELCO T4400 Signal SELCO T4400 SELCO T4300 Output reference Terminal 15 Terminal 15 Non inverted Output Terminal 16 Terminal 16 Inverted Output Terminal 14 Terminal 26 Please note that the SELCO T4400 includes both integrated output and internal frequency control system frequency stabilisation These features are not available on the SELCO T4300 Copyright 2001 SELCO A S Page 4 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 3 Pre adjustment 3 1 SELCO T4000 Auto Synchronizer Phase Angle Set to tolerated phase angle for closure e g point 6 Stability Set to point 5 for relatively high stability low adjustment speed Variable out 22 Set to 1 3 of maximum for relatively high output voltage span relatively low resistance between terminal 22 and 21 3 2 SELCO T4400 Load Sharer
20. properties of the T4400 output circuitry Reconnect the T4000 CLOSE terminals 9 and 10 to enable automatic closure of the circuit breaker Start up the first generator and close the circuit breaker to connect it to the common dead bus bar Observe that synchronisation is necessary if the bus bar is live e g when paralleling with the grid or another source Verify that the system frequency is still correct If not return to step 5 Start up the second generator and observe that automatic synchronization and closure of the circuit breaker is performed as expected Verify that the engine speed and system frequency is stable and that system frequency is correct If not return to step 5 Repeat step 9 to 10 for the remaining generators if any Transfer some load to the parallel running generators and observe that any moderate but sudden load inflictions do not cause instability or cyclic 1 Be sure to read the notes regarding modifications to the adjustments scheme of the T4400 The notes are printed at beginning of this document Copyright 2001 SELCO A S Page 5 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 16 17 18 19 fluctuations in the engine speed frequency If so increase the stability settings turn clockwise on the SELCO T4400 load sharers It might also be necessary to decrease the strength of the voltage output signal turn the Variable Out 14 16 dial counter clockwi
21. put terminal 9 of the 3037359 controller accepts a signal in the range of 8 to 0 VDC The output signal of the SELCO T4400 must be adapted in order to fit this range This is easily done using a voltage divider constructed from two 10 kOhm resistors connected between 8 VDC terminal 7 and common terminal 11 on the 3037359 controller The midpoint of the voltage divider 4 VDC is then used as a reference for the T4400 which will adapt it s output range to 8 to 0 VDC or just about 7 1 3 Connection Diagram SELCO T4000 and T4400 with Cummins Controller 3037359 L1 L2 L3 22 23 24 25 26 27 28 29 30 31 32 SELCO T4000 Auto Synchroniser 3 7 8 9 10 11 12 13 14 15 16 C B Close E C B e Ah 9 20 2 SELCO T4400 Load Sharer 3 12 Soft Load Unload o K Li ction to other electronic speed controllers Signal adaption might differ between brand and mark Please contact SELCO regarding conne Diesel Engine Pickup aes Cummins Controller 3037359 FS EFC s 00 2 5 NADIA Ti YOLWNLOV Copyright 2001 SELCO A S Page 12 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 7 2 3062322 and 3062323 7 2 1 Status Assumed similar to Cummi
22. se Remove some load from the parallel running generators and observe that any moderate but sudden load release do not cause instability or cyclic fluctuations in the engine speed system frequency If so increase the stability settings turn clockwise of the SELCO T4400 load sharers It might also be necessary to decrease the strength of the voltage output signal turn the Variable Out 14 16 dial counter clockwise Set the load level to about 90 of the capacity of generator number 1 so that each of the two generators is loaded 45 Then activate the soft unload function of the SELCO T4400 controlling generator number 2 Observe that generator 2 is slowly unloaded be careful not to overload generator number 1 You should get a de loaded trip signal when the load passes beneath approximately 2 Disable the soft unload function and observe that the load is slowly transferred back to generator 2 Remove the load trip the generator circuit breakers one at a time and shut down the generators 5 Trouble Shooting Q A The system becomes unstable when the SELCO T4000 is active Check the connection between the SELCO T4000 and T4400 Make sure that the variable output terminal 22 on the T4000 is connected to Sync In terminal 9 on the T4400 Also try to decrease the Variable out 22 signal of the T4000 turn clockwise to increase resistance between terminal 22 and 21 The generator is shut down on over speed during start up
23. to Electronic Speed Controllers 8 Governors America Corp GAC 8 1 ESD 51xx ESD 52xx and ESD 55xx 8 1 1 Status Confirmed by test 8 1 2 Interfacing The auxiliary speed input AUX N of the ESD 51xx 52xx accepts a signal in the range of 10 to O VDC The output signal of the SELCO T4400 must be adapted in order to fit this range This is easily done using a voltage divider constructed from two 10 kOhm resistors connected between 10 VDC terminal 10V P and battery minus terminal BATTERY E on the GAC speed controller The midpoint of the voltage divider 5 VDC is then used as a reference for the T4400 which will adapt the output range to 10 to 0 VDC depending on the Variable Out 14 16 setting 8 1 3 Connection Diagram SELCO T4000 and T4400 with GAC ESD 51xx or 52xx L1 L2 L3 x 5 E 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 E v SELCO T4000 Auto Synchroniser E 3 2 3 4 6 7 8 9 10 11 12 13 14 15 16 5 E 5 E CIB Close E h 3 I E C B E 2 5 a 3 2 E El A A E E 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 a SELCO T4400 3 3 Load Sharer 3 3 e 3 4 11 12 13 14 15 16 3 2 8 2 I 3 3 L 8 Soft e a Load Unload D 1 1 E o K K 8 o a LA Sz Diesel
24. without internal Load Sharing 11 2 3 Connection Diagram SELCO T4000 and T4400 with Woodward 2301A with LS L1 L2 e L3 8 0 2 23 24 25 2 2 0 31 32 2 5 g SELCO T4000 5 Auto Synchroniser 5 3 3 6 7 8 9 10 11 12 13 14 16 5 y H z D CIB Close E h Eg C B E T El D an 5 2 E 5 3 3 a 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 T E S SELCO T4400 3 Load Sharer S 2 3 3 8 9 10 2 13 6 2 lt 2 3 2 E 8 2 I E 3 El 8 Soft a Load Unload E E E 8 o a LA S 3 Diesel Engine ge G im amp SPM Input Woodward 2301A Version with Load Sharer Actuator 223383 a8 reo A 585822 Copyright O 2001 SELCO A S Page 20 of 22 Interfacing SELCO T4000 and T4400 to Electronic Speed Controllers 11 3EPG 11 3 1 Status Confirmed by test 11 3 2 Interfacing The auxiliary speed input terminal 11 of the EPG controller accepts a signal in the range of 5 to 5 VDC The output signal of the SELCO T4400 is standard 6 5 to 6 5 VDC with the Variable Out 14 16 set to anti clockwise thus the T4400 output can be connected directly to the auxiliary speed input of the EPG controller It might be necessary to fine tune the Variable Out 14 16 adjustment to match 5 to 5
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