Areva P443 Distance

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DISTANCE AND DEF RELAY MICOM P443

1. GENERAL DATA & INFORMATION:

2. GENERAL INSPECTION & WIRING CHECK:

SR.NO. ITEM DESCRIPTION REMARKS 1 Inspect for any physical damage or defects.  Yes  N/A 2 Verify connections as per approved drawings.  Yes  N/A 3 Check tightness of all the connections.  Yes  N/A 4 Case Earthing verified  Yes  N/A

3. ELECTRICAL TEST:

PRELIMINARY CHECK:

(With relay energized condition)

ITEM DESCRIPTION CHECKED

1 Watchdog contacts (N11-N12 open, N13-N14 closed) 2 Date & time

Set Clock to local time

Time maintained when Aux. Supply removed

3 Make Test Mode Enable under commissioning menu to _{check ALARM LED (Yellow)} 4 Make Test Mode Enable under commissioning menu to _{check OUT OF SERVICE LED (Yellow)} 5 Apply any fault condition to check TRIP LED (Red)

6 Apply Test LEDs under commissioning menu to check all 8 _{programmable LEDs.} 7 Measured FIELD SUPPLY _Voltage Between terminals N1 – N2

Between terminals N1 – N10

INPUT OPTO ISOLATORS TEST:

Make Designation

Model / Type Aux. Voltage Sr. No.

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(To check status of OPTO Input, go to SYSTEM DATA menu.)

(Energize only one OPTO INPUT at a time with relay rated OPTO input voltage – CAUTION!! -Check RATED OPTO INPUT VOLTAGE before apply voltage to OPTO Input terminal)

OPTO Input No.

V DC Applied Terminal

No. Status of OPTO

INPUT Function assigned for OPTO INPUT Remarks +Ve Terminal

No. -Ve Terminal No. OPTO-1 D2 D1 OPTO-2 D4 D3 OPTO-3 D6 D5 OPTO-4 D8 D7 OPTO-5 D10 D9 OPTO-6 D12 D11 OPTO-7 D14 D13 OPTO-8 D16 D15 OPTO-9 E2 E1 OPTO-10 E4 E3 OPTO-11 E6 E5 OPTO-12 E8 E7 OPTO-13 E10 E9 OPTO-14 E12 E11 OPTO-15 E14 E13 OPTO-16 E16 E15 OPTO-17 F2 F1 OPTO-18 F4 F3 OPTO-19 F6 F5 OPTO-20 F8 F7 OPTO-21 F10 F9 OPTO-22 F12 F11 OPTO-23 F14 F13 OPTO-24 F16 F15

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(To check status of output relay, go to COMMISSIONING menu, UNBLOC & TEST PATTERN mode & select each relay to be tested by apply contact test.)

(Check only one OUTPUT RELAY at a time by “CONTACT TEST” in “APPLY TEST” mode) Output

Relay

No. Output Contact No. Output relay status Remarks RL1 M1 – M2 RL2 M3 – M4 RL3 M5 – M6 RL4 M7 – M8 RL5 M9 – M10 RL6 M11 – M12 RL7 M13 – M14 – M15 RL8 M16 – M17 – M18 RL9 L1 – L2 RL10 L3 – L4 RL11 L5 – L6 RL12 L7 – L8 RL13 L9 – L10 RL14 L11 – L12 RL15 L13 – L14 – L15 RL16 L16 – L17 – L18 Output Relay No.

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RL17 K1 – K2 RL18 K3 – K4 RL19 K5 – K6 RL20 K7 – K8 RL21 K9 – K10 RL22 K11 – K12 RL23 K13 – K14 – K15 RL24 K16 – K17 – K18 RL25 J1 – J2 RL26 J3 – J4 RL27 J5 – J6 RL28 J7 – J8 RL29 J9 – J10 RL30 J11 – J12 RL31 J13 – J14 – J15 RL32 J16 – J17 – J18

CURRENT INPUT TEST:

C.T RATIO:

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Phase Injected Current

Displayed value (Note down with phase angle)

In Secondary % Error In Primary % Error IA

IB IC IN

VOLTAGE INPUT TEST:

V.T RATIO:

Phase Applied voltage Displayed value (Note down with phase angle)

In Secondary % Error In Primary % Error VA

VB VC

DISTANCE ZONE REACH TEAST:

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Type _ReachSet _ReachAct _ReachSet _ReachAct _ReachSet _ReachAct _ReachSet _ReachAct _ReachSet _ReachAct AN BN CN AB BC CA ABC

DISTANCE OPERATING TIME TEST:

Phase Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Theoretical Value Set time (MS) Measured Time (MS) Set time (MS) Measured Time (MS) Set time (MS) Measured Time (MS) Set time (MS) Measured Time (MS) Set time (MS) Measur ed Time (MS) AN BN CN AB BC CA ABC VTS FUNCTION TEST:

Loss of one or two phases Test

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Negative Sequence Set time = 5 sec.

Apply 66.4 V, 3 Ph balanced Volts with In=1.0 A, time delay 5 Sec

Phase Pick up Drop Off Set Time in Sec. Measured Time in _Sec. AN BN CN AB BC CA

* MONITOR Pickup value from MiCOM relay measurements

Absence of 3 Phase Volts on Line Energization Test:

VT MCB input energized ( VT MCB OFF), Apply 3 Phase 1 A current with no volts Check for No Trip

VT MCB input Not energized ( VT MCB ON), Apply 3 Ph 1 A current with No Volt check zone 1 Trip

SOTF TEST:

Setting: All Zones Enabled

ZONES Relay Conditions Time Measured ZONES – 1

ZONES – 2 ZONES – 3 ZONES – 4 ZONES – 5

POWER SWING BLOCKING

SET power swing blocking zone time Actual power swing blocking zone time

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DISTANCE COMMUNICATION SCHEME CHECK:

Permissive Under Reach Scheme: PUTT

Send Logic : CS = ZM1 : _______________ Trip Logic : Trip = ZM2xCR : _______________ Trip time : Without CS : _______________

Permissive Over Reach Scheme: POTT

Send Logic : CS = ZM2 : _______________ Trip Logic : Trip = ZM2xCR : _______________ Trip time : Without CS : _______________

Blocking Scheme:

Send Logic : CS = ZM4 : _______________ Trip Logic : Trip = ZM2 x NO CR : _______________ Trip time : Without CS : _______________

Direct Transfer Trip Scheme:

Send Logic : DTT : ________NA_____ Trip Logic : Trip = CR : _______________

DISTANCE WEI FUNCTION:

WEI Echo : __________, WEI Trip: __________ _____

DIRECTIONAL EARTH FAULT RELAY – MICOMHO P443

Aided def element (instantaneous) test: Settings: IN> =

Vo = T =

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DEF Status = Enable

DEF Polarizing = Zero Sequence DEF Char Angle = -60°

DEF UN POL = 3 First apply healthy condition for 2.00sec.

Pick up drop off voltage test:

Note:

Apply 3phase volts healthy voltage, inject only one phase current for this test to the phase under test and reduce voltage of phase under test.

Note: Vo=Vn/3=(Va+Vb+Vc)

Applied Voltage (V) Vo Zero sequence (V) Pick up current (mA) Drop off current (mA) Indication Contacts operated R Y B Display Calculated Timing test:

Applied Voltage (V) _{Vo Zero} sequence

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Applied current _Setting time Actual measured time Limits R Y B Phas e Current

Same procedure for other phases, but reduce one phase voltage under test to the polarizing voltage.

DEF COMMUNICATION SCHEME CHECK:

Permissive Over Reach Scheme: POTT

Send Logic : CS = Forward Fault : _______________ Trip Logic : Forward Fault x CR : _______________

Blocking Scheme:

Send Logic : Reverse Fault : _______________ Trip Logic : Forward Fault x NO CR : _______________

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WEI Echo : __________, WEI Trip: __________ _____