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IM3G-VX 

Doc. N° MO-0068-ING 

Rev. 

1

 

Pag. 

2   

of 

36

 

 

Copyright 2010 -  Microener

 

 

INDEX 

 

1   General utilization and commissioning directions

 __________________________________________

 3 

1.1  Storage and transportation__________________________________________________________  3 
1.2  Installation_______________________________________________________________________ 3 
1.3  Electrical connection_______________________________________________________________  3 
1.4  Measuring inputs and power supply___________________________________________________  3 
1.5  Outputs loading___________________________________________________________________ 3 
1.6  Protection earthing_________________________________________________________________ 3 
1.7  Setting and calibration______________________________________________________________ 3 
1.8  Safety protection__________________________________________________________________  3 
1.9  Handling_________________________________________________________________________ 3 
1.10  Maintenance_____________________________________________________________________  4 
1.11  Fault detection and repair___________________________________________________________  4 

2   General characteristics and operation

____________________________________________________

 4 

2.1  Power supply_____________________________________________________________________ 4 
2.2  Measuring input___________________________________________________________________ 5 
2.3  Algorithms of the different functions___________________________________________________  6 

3   Controls and measurements

____________________________________________________________

 12 

4   Signalization

_________________________________________________________________________ 

13 

5   Output relays

_________________________________________________________________________

 14 

6   Serial communication

__________________________________________________________________

 15 

7   Digital inputs

_________________________________________________________________________

 16 

8   Test

________________________________________________________________________________

  16 

9   Keyboard and display operation

_________________________________________________________

 17 

10 Reading of measurements and recorded parameters

________________________________________

 18 

10.1   ACT. MEAS    (Actual measure)___________________________________________________ 18 
10.2   MAX VAL       (Max values)_______________________________________________________ 18 
10.3   LASTTRIP      (Last trip)_________________________________________________________ 19 
10.4  TRIP NUM      (Trip number)______________________________________________________ 19 

11 Reading of programmed settings and relay’s configuration

__________________________________

  19 

12 Programming

_________________________________________________________________________

 20 

12.1  Programming of functions settings________________________________________________  20 
12.2  Programming the configuration of output relay_______________________________________ 22 

13 Manual and automatic test operation

_____________________________________________________

 23 

13.1 

Mode “ TESTPROG “ subprogram “ W/O TRIP “_____________________________________  23 

13.2 

Mode “ TESTPROG “ subprogram “ With TRIP “_____________________________________  23 

14 Maintenance

_________________________________________________________________________

  23 

15 Electrical characteristics

_______________________________________________________________

 24 

16 Connection diagram 

(Standard Output)____________________________________________________ 

25 

16.1  Connection Diagram (Double Output)_________________________________________________ 25 

17 Wiring the serial communication bus

_____________________________________________________ 

26

 

18 Change phase rated input 1A or 5A

______________________________________________________ 

26 

19 Time current curves F51

_______________________________________________________________ 

27

 

20 I

2

t = constant element F46

______________________________________________________________ 28 

21 Thermal Image Curves

_________________________________________________________________ 29

 

22 Direction for pcb’s draw-out and plug-in

__________________________________________________ 

30 

22.1  Draw-out____________________________________________________________________  30 
22.2  Plug-in______________________________________________________________________ 30 

23 Overall dimensions

____________________________________________________________________ 31 

24 Keyboard operational diagram

__________________________________________________________  32 

25 Setting’s form

________________________________________________________________________ 33 

Summary of Contents for IM3G-VX

Page 1: ...P Brasca D Ciminaghi REV DESCRIPTION DATE PREP CONTR APPR MULTIFUNCTION MICROPROCESSOR PROTECTION RELAY TYPE IM3G VX OPERATION MANUAL Copyright 2010 Microener GENERATOR PROTECTION RELAY TYPE IM3G V E...

Page 2: ...ded parameters________________________________________18 10 1 ACT MEAS Actual measure ___________________________________________________ 18 10 2 MAX VAL Max values ___________________________________...

Page 3: ...compatible with their declared performance 1 6 PROTECTION EARTHING When earthing is required carefully check its effectiveness 1 7 SETTING AND CALIBRATION Carefully check the proper setting of the dif...

Page 4: ...librations and components should not be altered or replaced For repair please ask the Manufacturer or its authorised Dealers Misapplication of the above warnings and instruction relieves the Manufactu...

Page 5: ...s 0 12 In from 0 to 1 3In and 1 2 In from 1 3 through 13In The actual absolute error on each measurement M can be 1 0 02 M 0 002 In from 0 to 1 3 In 2 0 02 M 0 02 In from 1 3 to 13 In 2 2 2 Phase to n...

Page 6: ...hermal image of the machine based on the ratio I Ib of the RMS of the current flowing in each phase to the rated full load current of the generator Warming up time constant Tc 2 400 m step 1m Maximum...

Page 7: ...Minimum operation time of instantaneous output 30ms Trip time delay in the definite time operation mode F I D t tI 0 05 30 s step 0 01s Trip time delay in the inverse time operation mode F I SI t 0 03...

Page 8: ...the values is used in the algorithm Practically in the zone between 0 2 and 0 8 Uns the relay operates as underimpedance protection when Zx Ex Ix Uns 3 I Uns 3 I 2 3 5 F46 Current unbalance Measuremen...

Page 9: ...t level W Pick up operation level W 0 05 1 00 Wb step 0 05Wb Setting W Dis blocks function s operation Independent trip time delay tW 0 1 60 s step 0 1s 2 3 8 F40 Loss of excitation capacitive underim...

Page 10: ...y if all the 3 impedances of phase A B C are within the trip zone 2 3 11 F27 59 Dual level 3 phase over under voltage F1 27 59 First voltage element 1U Pick up operation level of voltage difference 1u...

Page 11: ...1 60 s step 0 1s Operation mode Fn 1f The function can be programmed to operate as Overfrequency Fn 1f operates when the frequency rises above the rated value Fn by more than 1f Hz f Fn 1f Hz Underfr...

Page 12: ...ing by the key SELECT Parameter modification by the key Set validation by the key ENTER Scanning of the menus by the key MODE SELECT ENTER Enabled only if input current is zero ENTER RESET MODE SELECT...

Page 13: ...ng the trip time delay of the function Zc Illuminated on trip at the end of time delay f Yellow LED Z Flashing during the programming of the parameters Illuminated in case of Internal Relay Fault g Re...

Page 14: ...le REX 8 includes eight RA RB RC RD RE RF RG RH user programmable plus one R Diag diagnostic output relays The master module IM3G VX can control all together up to sixteen output relays 4 internal R1...

Page 15: ...ed on internal fault of IM3G VX Internal fault of REX 8 R5 IM3G VX power supply failure R DIAG REX 8 power supply failure during the programming Interruption fault on the serial control communication...

Page 16: ...r the expiry of the set trip time delay of the function involved plus additional time 2tBF t2 2tBF By proper interconnection of the blocking inputs and blocking outputs of different relays it is possi...

Page 17: ...memory SET DISP Reading of the settings and of the configuration of the output relays as programmed PROG Access to the programming of the settings and of relay configuration TEST PROG Access to the ma...

Page 18: ...ve phase C axxxxx Phase displacement of IA on EA 0 360 anticlockwise bxxxxx Phase displacement of IB on EB 0 360 anticlockwise cxxxxx Phase displacement of IC on EC 0 360 anticlockwise Wxxxx Wb Three...

Page 19: ...rent 10 4 TRIP NUM Counters of the number of operations for each of the relay functions The memory is non volatile and can be cancelled only with a secret procedure Display Description T xxxxxx Therma...

Page 20: ...PROGRAMMING OF FUNCTIONS SETTINGS Mode PROG menu SETTINGS Production standard settings here under shown Display Description Setting Range Step Unit NodAd 1 Identification number for connection on ser...

Page 21: ...age element 1 50 1 t1u 1 00s Trip time delay of the first voltage element 0 10 60 0 1 s Un 2u Operation mode of second voltage element overvoltage undervoltage over under voltage Dis disactivated Dis...

Page 22: ...es relays R1 R2 R3 R4 RA RB RL 1U 4 Time delayed element 1U operates relays R1 R2 R3 R4 RA RB RL 2U 23 Time delayed element 2U operates relays R1 R2 R3 R4 RA RB RL 1f 4 Time delayed element 1f operate...

Page 23: ...al fault is detected during the auto test the relay R5 is deenergized the relevant led is activated and the fault code is displayed WARNING Running the WithTRIP test will operate all of the output rel...

Page 24: ...t test IEC60255 22 1 class 3 400pps 2 5kV m c 1kV d m Oscillatory waves Ring waves IEC61000 4 12 level 4 4kV c m 2kV d m Surge immunity test IEC61000 4 5 level 4 2kV c m 1kV d m Voltage interruptions...

Page 25: ...IM3G VX Doc N MO 0068 ING Rev 1 Pag 25 of 36 Copyright 2010 Microener The performances and the characteristics reported in this manual are not binding and can modified at any moment without notice...

Page 26: ...IM3G VX Doc N MO 0068 ING Rev 1 Pag 26 of 36 Copyright 2010 Microener 16 CONNECTION DIAGRAM SCE1564 Rev 1 Standard Output 16 1 CONNECTION DIAGRAM SCE1565 Rev 1 Double Output...

Page 27: ...IM3G VX Doc N MO 0068 ING Rev 1 Pag 27 of 36 Copyright 2010 Microener 17 WIRING THE SERIAL COMMUNICATION BUS SCE1309 Rev 0...

Page 28: ...1 Pag 28 of 36 Copyright 2010 Microener 18 CHANGE PHASE CURRENT RATED INPUT 1 OR 5A J3 Phase C Rated input Current 5A 1A J2 Phase B Rated input Current 5A 1A J1 Phase A Rated input Current 5A 1A Jump...

Page 29: ...IM3G VX Doc N MO 0068 ING Rev 1 Pag 29 of 36 Copyright 2010 Microener 19 TIME CURRENT CURVES F51 TU0311 Rev 0...

Page 30: ...IM3G VX Doc N MO 0068 ING Rev 1 Pag 30 of 36 Copyright 2010 Microener 20 I2 t CONSTANT ELEMENT F46 TU0312 Rev 0...

Page 31: ...IM3G VX Doc N MO 0068 ING Rev 1 Pag 31 of 36 Copyright 2010 Microener 21 THERMAL IMAGE CURVES TU0325 Rev 0...

Page 32: ...of the screws driver mark Draw out the PCB by pulling on the handle 21 2 Plug in Rotate clockwise the screws and in the horizontal position of the screws driver mark Slide in the card on the rails pro...

Page 33: ...IM3G VX Doc N MO 0068 ING Rev 1 Pag 33 of 36 Copyright 2010 Microener 23 OVERALL DIMENSIONS PANEL CUT OUT 113x142 LxH View of Rear Terminal Connection...

Page 34: ...Ib 16 t2Isxxxs 17 Ir xxxIb 18 tIr xxxs 19 K1xxx Zb 20 K2 xx Zb 21 tz xxxs 22 ti xxxs 23 Un xxx1u 24 1u xx Un 25 t1uxxxxs 26 Un xxx2u 27 2u xx Un 28 t2uxxxxs 29 Fn xxx1f 30 1f xxxHz 31 t1f xxs 32 Fn xx...

Page 35: ...t alarm level 2Is Ib t2Is 1 s Independent trip time delay of alarm element t2Is s Ir 0 02 Ib Trip level of the reverse power element Ir Ib tIr 0 1 s Independent trip time delay of reverse power elemen...

Page 36: ...ce element time delayed 1Is 2Is As above second unbalance element 2Is tIr 2 3 Reverse power time delayed element tIr Z 2 Underimpedance time delayed element Z tW 4 Underpower time delayed element tW 1...

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