User Manual APFC Relay Cat No. 93 PFC
Contents
1. User Manual CELEC 93PFC a sn LAG O Cose POWER FACTOR CONTROLLER oy m a ea d 3 AMPERE DeLay DEAD MANUAL A A OFF BAND wv C3 C4 C5 C6 C7 C8 C2 93PFC POWER FACTOR CONTROL RELAY CELEC Enterprises Other Product Range gt Power Factor Control Panels 1phase amp 3phase gt Static Power Factor Control Panel 2phase amp 3phase Multifunction Power amp Energy Analyzer 19 amp 39 with computer software amp Remote Display Maximum Demand Controller gt Peak Load Controller gt Digital Time Switches Multifunctional gt Digital Panel Meters Complete Range 144mm x 144mm 96mm x 96mm 96mm x 48mm Welcome to the world of Powerfactor correction systems from CELEC amp thanks for purchasing CELEC product Contents 1 Specifications 2 Display amp Indications 3 Important Instructions Must Read 4 System Installation a Wiring diagram b Manual test c System protection 5 System Programming a System Lock b Default factory set parameters c To change Target Power Factor d To change On Delay Time e To change Off Delay Time f To change current I sensitivity g To change dead band 6 Trouble Shooting 7 How to Choose the size of Capacitor Panel in KVAr 1 Specifications 1 Voltage Input 350 to 460V AC 2 Current Path 10mA to 5 00 Amp Isolated 4 Operating Temperature 7 Target Power Factor 0 90 lag to 0 90 lead Sett2. ange press A y key to store press amp key MANUAL 5f TO SET AMPERE I SENSITIVITY when ever user switch on the relay display shows stored sensitivity no Purpose of sensitivity is avoid hunting at low current To change sensitivity No first set dead band to same No as required sensitivity No Keep pressing Key until LED s stop blinking Buren Now sensitivity No is equal to the dead band setting now set dead band to previous setting Sensitivity No sensitivity current x 500 CT Ratio sensitivity current is load current where user wants to switch on first capacitor For example User requires 1st capacitor say IKVAr On at 3Amp of load current amp CT Ratio is 100 5 Sensitivity No 3 x 500 100 15 15 is sensitivity no to program in relay System Programming Recommended current sensitivity at motor load For first capacitor of IKVAr 003 amp For first capacitor of 2KVAr 005 amp For first capacitor of 3KVAr 001 amp For first capacitor of SKVAr 00 amp 5g TO SET DEAD BAND Press key display shows stored dead band To change dead band press A w key To store press 9 key always MANUAL set dead band at the last in programming due to system lock mode 90 91 92 93 94 9 5 RI RUP RV EN 5 94 93 92 91 90 dead band 004 52 dead band 004 Always set dead band at the last in the program due to lock mode Trouble Shooting Before Trouble Shooting Always Rese
3. ing Dead band 8 Switching Time Delay 1 to 60 seconds a On delay 1 to 60 seconds b Off delay 9 Dead band range 10 Ampere Sensitivity 11 Control Type 12 Programming Lock 13 Manual Operation 14 Display Parameters PF Volt Amp 15 Relay Contacts 7 Amp 230VAC 16 Dimensions 96mm W x96mm H x 100mm D 17 Bezel Panel Cut Out 90mmx90mm Note Specification may change due to continuous development 2 Display amp Indications 93PFC s x Fa e 9 0 0 amp 9 Bright Red 0 56 7 Segment 3digit Display Lead PF Indication LAG PF Indication Volt Indication Ampere Indication Auto Mode Indication Manual Mode Indication to 15 These Led s Indicate On Status of Contactors Capacitors 16 Scroll Key to Select Volt Ampere in display 17 ON Delay Time key 18 OFF Delay Time key 19 Target PF Program Key 20 Dead Band Program Key 21 Navigation Key Upward Increase 22 Navigation Key Downward Decrease 23 Auto Manual Select amp Enter key 3 Important Instructions Must Read i Always Install CT On Phase With Maximum Load Current amp Connect Rest of 2 Phase to 415VAC of Relay Through MCB Max 6Amp ii Install CT Before APFC Panel amp Factory Load As Shown in Wiring Diagram at page no 7 iii Choose CT 2 to 3 times of Load Current iv Always Set Ampere Sensitivity to Avoid Hunting of first capacitor At Low Current v Pay Special Attenti
4. ired PF Multiply Factor From Table Already connected Capacitor KVAr 5 00 Required Panel KVAr Connected Capacitor KW x Multiply factor Required Panel KVAr 5 50 x 0 52 3
5. on For The Size of CT Wire 2 5mm Copper Conductor Wire is Recommended vi Always Install Capacitors in Increasing Order Capacitor Ratio 1 2 4 6 10 Or ratio Should Not Increase 2 4 8 15 vii Install Branded Capacitors Preferably Epcos viii Do Not Use Coil Voltage Of Contactors Above 240V ix Fix Capacitors On LT Side of Transformer For Transformer PF Compensation If Energy Meter Installed On HT Line System Installation Appropriate Specifications must be followed while electrical installation taking care following specifications a Input voltage range 350V to 460V 250mA fuse b Current transformer of 5 Amp secondary 10A fuse c Control circuit for 230V AC 5A use 5Amp fuse MCB externally 4 a Wiring Diagram MEASUREMENT CONTROL RELAYS in Reverse ct polarity in case of CE display j 1E ELON oi ipe Decrease current sensitivity incase CLo Display Capacitor While using contactor always prefer to use contactor with 2 NC Auxiliary contacts use 10K 10W resistance for capacitor discharge circuit as shown in the diagram or use capacitor duty contactors Must read important instructions at page no 7 4 b Manual Test AUTO MANUAL SWITCHING This switch is used to select the mode of operation i EXTERNI The capacitor switch ON OFF is automatically related to power factor in order to control the power factor with in the specified range ii ETERNA Controller is by passed and the use
6. r can select the capacitor by pressing navigation keys AJ 4 c System Protection 1 Always Install 6 Amp MCB On Common 11 Always use proper fuse 15mm glass fuse 415 VAC _ 250 mA iii Do Not Use Coil Volt of Contactor Above 240Volt iv Choose CT 2 to 3 times of Load Current Secondary CT 5Amp v Always install indoor 5 System Programming 5a SYSTEM LOCK At power on relay is in lock mode Relay can be unlocked by setting Dead Band 004 During lock mode the set values of PF Dead Band delay on delay off sensitivity cannot be changed AUTO press p key Now relay is unlocked MANUAL 1 To unlock relay press ES key and set 004 on display amp ii To lock relay press ER key set any figure except 004 amp press 3 key Switch off the relay now relay is locked MANUAL System Programming Target PF 100 unity PF Dead band En On Time Delay 00 Off Time Delay 00 sensitivity 004 amp 5c TO CHANGE TARGET POWER FACTOR Press key display shows present value of target power factor to change value of PF press A fy key To store press key 90 91 92 93 94 05 96 97 98 99 100 99 98 97 96 95 94 93 92 91 90 Lag PF UNITY PF Lead PF Press E23 Key display shows stored value of On Delay Time to change press A W key to store press key 5 System Programming 5e TO CHANGE OFF DELAY TIME Press key display shows stored value of OFF Delay Time to ch
7. t System FAULT REMEDIES 1 Display shows LE Reverse CT polarity interchange S1 to S2 2 Display shows CLo a Set current sensitivity b Check if load current is less than current sensitivity of relay PF but stages off diagram See page no 7 4 Relay switches the a Check if current of APFC panel capacitor On but amp load current is passing out power factor does through CT not improve b The capacitors are defective the best way to find out is to measure the capacitor with capacitor meter c Current polarity of APFC panel through CT is reversed 5 Relay doesn t hold a Increase the dead band setting if problem persists even when the dead band setting is higher it means that the size of capacitor is too large for load The remedy is to change with the smaller one b check if capacitors are in increasing order 6 Relay is dead a Check fuse 250mA on terminal block b Check Voltage at 415VAC terminal using multimeter Do not check with a neon tester 7 All capacitors on but At the extreme is the possibility relay shows lag PF or the total installed KVAr is too low below the desired PF Check if the capacitors are healthy Remedy is to add capacitors 8 Relay shows on Check common fuse 5Amp status of capacitor but no contactor is on 8 HOW TO CHOOSE THE SIZE OF CAPACITOR PANEL IN KVAr Runnin Et ee oas em oa n on n cos Example Running Load KW Running PF Des
Download Pdf Manuals
Related Search