Trinity ACCUVAR User Manual Download Page 8

 
 pg. 8 

TRINITY 

 

 

ACCUVAR - Operational Manual 

 
 
Technical Specifications   
 

Parameter 

Type 

Name 

Statistics 

 

Supply 

Three Phase and Neutral of a 3P4W system 

Voltage

 

Direct Voltage Input   

: Up to 300V L-N  

Burden      

 

 

: 0.5VA 

Current

 

Secondary Current Input  : 5A or 1A 
CT Ratio  

 

 

: Site Selectable   

Range of Reading     

: 5 - 5000A 

Burden 

 

 

: < 1.0VA 

Overload      

 

: 5A CT = 6A RMS Continuous                                  

 

 

 

 

: 1A CT = 1.2A RMS Continuous 

Power Supply 

Self Powered from mains. Wide operating Voltage SMPS: 
80 VAC - 480 VAC, 45-65 Hz.

 

 

Relay 

Switching Voltage              : Max. 250 VAC 
Switching Power               : Max. 1000W 
Expected Mechanical Life  : >10 x 10

6

 switching operations. 

Expected Electrical Life     : >4 x 10

6

 switching operations. 

@(Load = 200VA, Cos Ø = 0.5) 

 
 
 
 
 
 
 
 
 

 
 
 

INP

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TPU

Summary of Contents for ACCUVAR

Page 1: ...pg 1 TRINITY...

Page 2: ...latest technical information about ACCUVAR which is a microcontroller based KVAR controller for LT capacitor bank The product ACCUVAR is sophisticated electronic equipment and the user is advised to...

Page 3: ...of the date of original purchase to our Trinity Dealer or Factory You are responsible for all costs shipping insurance travel time in getting the product to the service location Trinity will at its op...

Page 4: ...r installation neglect improper shipping damage caused by disasters such as fire flood and lightning improper electrical current interaction with non Trinity products or service other than by a Trinit...

Page 5: ...pacitor CT Primary and Secondary and Desired PF 3 Setting Switching Number stages Meter Address and Baud rate 4 Setting operation type Alarm Mode Alarm Limit and Alarm Delay 5 Setting Switch Delay Dam...

Page 6: ...acitor systems to maintain power factor near unity This is where ACCUVAR comes in ACCUVAR is a KVAR based controller which controls capacitor banks optimally to achieve near unity power factor and als...

Page 7: ...ergy KVAh Capacitor CT sensing enable disable selection CT ratio for both load current and capacitor current selectable PT ratio is site programmable Capacitor current I cap Phase Wise PF System PF an...

Page 8: ...nput 5A or 1A CT Ratio Site Selectable Range of Reading 5 5000A Burden 1 0VA Overload 5A CT 6A RMS Continuous 1A CT 1 2A RMS Continuous Power Supply Self Powered from mains Wide operating Voltage SMPS...

Page 9: ...ng For IPFI 0 9 Reactive Power Q Accuracy 1 5 of Reading Between 0 5 Lag to 0 8 Lead Apparent Power S Accuracy 1 0 of Reading Power Factor Accuracy 1 0 of Reading IPFI 0 5 Range of Reading 0 05 to 1 0...

Page 10: ...scellaneous Parameter Type Name Statistics Bezel 144 X 144 mm Panel Cutout 138 X 138 mm Depth of installation 55 mm Operating temp 10 0C to 50 0C Weight 0 82 Kgs Approx Min Operating Current 1 or 5 of...

Page 11: ...e sure that the three phases coming to the unit come through control fuses 1 0 Amp rating This will protect the electronics inside from damage due to severe over voltages or phase faults in the system...

Page 12: ...as it switches on one bank at a time and also displays the bank size of every stage After AUTOSENSING is completed the unit will Reset 9 In case user did not connect proper voltage and current I p as...

Page 13: ...parameters field programmable as possible There are basically two modes of operation in ACCUVAR 1 Programming Mode 2 Run Mode After supplying power 80 VAC 480 VAC the unit displays immediately power o...

Page 14: ...Thyristor or Contactor 7 Number of Capacitor bank stages 8 Meter Address 9 Baud rate 10 Alarm Mode 11 Alarm limit PF setting below which alarm will operate 12 Alarm Delay Delay after which alarm shou...

Page 15: ...ter can be set now Set desired value by using and keys and again press key to save its value 2 If other parameters need to be changed do so using similar method Else press key for about four seconds c...

Page 16: ...e from 1 to 255 The baud rate for communication is programmable between 9600 or 19200 To set the desired PF above parameters Once in Programming mode 1 Set Arrow to the desired parameters using and ke...

Page 17: ...sired parameters using and keys and press key Now Arrow starts blinking which means value of this parameter can be set now Set desired value by using and keys and again press key to save its value 2 I...

Page 18: ...ng phase Input sequence for all channels and Minimum Bank If phase Inputs are not connected at proper voltage and current terminals user can manually set it for all three channels For example if volta...

Page 19: ...d SFIFO mode If this parameter is set to Sensitive it will do control action until current goes below 1 of Main CT Primary If this parameter is set to Normal it will do control action until current go...

Page 20: ...itor If value is less than 100 it will show 2 decimal digits else it will show 1 decimal digits This page shows System KW KVA KVAR With LG LD indication and Average PF since last reset of energy or av...

Page 21: ...ase current This page shows up to 15th Odd harmonics value of Y phase volts This page shows up to 15th Odd harmonics value of Y phase current This page shows up to 15th Odd harmonics value of B phase...

Page 22: ...e taken care when using these relay contacts Use 230V AC coils only in the contactors DO NOT use 440V AC coils DO NOT switch small loads like electronic Hooters small relays with 230V AC coils etc dir...

Page 23: ...k and sustained reliability is difficult to achieve with a site repaired Relay This section on Troubleshooting therefore deals with fault finding in the system and to establish whether the Relay is de...

Page 24: ...cient load on the power system This might occur because the Plant has not been commissioned fully or because the system allows for future expansion In either case the actual current through the CT is...

Page 25: ...he CTs to the true main Incomer The capacitors are all defective This seemingly unlikely fault has occurred at many sites Measure the current in each lead of each capacitor as it switches on to check...

Page 26: ...ts conducted to relevant standards and our Specifications Literature O M Manual Traceability tested against MTE Standard Model PRS1 3 having basic accuracy of 0 05 traceable upto International Standar...

Page 27: ...RINITY TRINITY ENERGY SYSTEMS PVT LTD 386 Savli GIDC Estate Savli Vadodara Highway MANJUSAR 391 775 Dist Vadodara Gujarat India Tel 91 9228004452 53 54 Email sales trinityenergy co in www trinityenerg...

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