POWER PANEL INSULATION TEST

Transcription

1 POWER PNEL INSULTION TEST 1 VOLTGE MPCITY PNEL WITHSTND RTING MIN MLO NO. FEEDER BREKERS NO. FEEDER DISCONNECTS FED FROM OF LODS EQUIPMENT TEMPERTURE TEMPERTURE CORRECTION FCTOR TO, TCF TEST VOLTGE kvdc PNEL DESIGNTION: PNEL LOCTION: TEST S - MEGOHMS - GRD - B - N B - GRD - C B - N C - GRD B - C C - N N - GRD CONNECTED EQUIPMENT VOLTGE MPCITY PNEL WITHSTND RTING MIN MLO NO. FEEDER BREKERS NO. FEEDER DISCONNECTS FED FROM OF LODS EQUIPMENT TEMPERTURE TEMPERTURE CORRECTION FCTOR TO, TCF TEST VOLTGE kvdc PNEL DESIGNTION: PNEL LOCTION: TEST S - MEGOHMS - GRD - B - N B - GRD - C B - N C - GRD B - C C - N N - GRD CONNECTED EQUIPMENT 50300, REVISED 6/22/2010

2 MEDIUM VOLTGE SWITCHBORD INSULTION TEST 2 WITHSTND RTING k CONDUCTOR CU L INSTLLED DEVICES VCUUM BREKERS IR BREKERS LODBREK DISCONNECTS NUMBER OF BYS VOLTGE RELYS OVERCURRENT RELYS PROTECTIVE RELYS UXILIRY RELY PNEL METERS kwhr METERS VT's CT's CPT's DESCRIPTION OVERLL CLENLINESS INSULTING MEMBERS CUBICLES GROUND CONNECTIONS UXILIRY DEVICES INSPECTED CONDITION CLENED/LUBED INSULTION TEST VOLTGE kvdc TEST VOLTGE MULTIPLIER, K1 K2 = (K1) (TCF) EQUIPMENT TEMPERTURE TEMPERTURE CORRECTION FCTOR TO, TCF = RNGE MULT. K2 INSULTION RESISTNCE TEST S - MEGOHMS PHSE -GND B-GND C-GND N-GND - B - C B - C CTUL REDING SHDING INDICTES TEMPERTURE CORRECTED REDING TO 50000, REVISED 9/10/2012

3 MEDIUM VOLTGE SWITCHBORD HIGH POTENTIL TEST 3 WITHSTND RTING k CONDUCTOR CU L INSTLLED DEVICES VCUUM BREKERS IR BREKERS LODBREK DISCONNECTS NUMBER OF BYS VOLTGE RELYS OVERCURRENT RELYS PROTECTIVE RELYS UXILIRY RELYS PNEL METERS kwhr METERS VT's CT's CPT's DESCRIPTION OVERLL CLENLINESS INSULTING MEMBERS CUBICLES GROUND CONNECTIONS UXILIRY DEVICES INSPECTED CONDITION CLENED/LUBED INSULTION TEST VOLTGE EQUIPMENT TEMPERTURE K1 = RNGE MULTIPLIER kvdc TEST VOLTGE MULTIPLIER HIGHPOTENTIL TESTS K1 LEKGE - MICROMPS -GND B-GND C-GND N-GND BUS HIGH POTENTIL TESTS CONDUCTED PHSE TO GROUND, WITH CONDUCTORS GROUNDED. LEKGE RECORDED FTER TEST VOLTGE PPLIED FOR ONE MINUTE. = ( K1 ) ( CTUL REDING ) 50050, REVISED 4/22/2009

4 SWITCHGER INSPECTION 4 CURRENT RTING MPERES VOLTS DDITIONL INFORMTION CONDITION CONDITION REMRK NUMBER REMRK NUMBER INSPECTIONS EXTERIOR OF EQUIPMENT LL INTERIOR OF CUBICLES LL INTERIOR BUS CBLE SYSTEMS BUS SUPPORT INSULTORS ND SPCING DOORS PNELS BRCKETS DOOR HNDLES LOCKING BRS / MECHNISMS INSTRUMENTS RELY COVERS BREKER CELL CONTCTS CONTROL TRNSFORMERS METERING TRNSFORMERS INSTRUMENTS GROUNDING RILS GUIDES ROLLERS SHUTTER MECHNISMS WIRING TERMINL CONNECTIONS GRID SSEMBLIES SPCE HETERS CELL INTERLOCKS UXILIRY CONTCT SSEMBLIES FILTERS IN PLCE VENTS RE CLER SYSTEM MINTENNCE ND CHECKS TORQUE-TEST BOLTED BUS (REDILY CCESSIBLE CONNECTIONS ONLY) LUBRICTE DRW-OUT SSEMBLY PRTS VCUUM ND CLEN INTERIOR OF CUBICLES OPERTE CONTROLS ND CHECK CORRECTNESS OF FUNCTIONS CHECK UTOMTIC TRNSFER RELY OPERTION (IF USED) NNUNCITOR LRM / TRGET OPERTION G P C I = ITEMS FOUND IN STISFCTORY CONDITION = ITEMS FOUND IN POOR CONDITION ND REQUIRING FUTURE CORRECTIVE CTION = ITEMS REPIRED OR CORRECTED ND LEFT IN STISFCTORY CONDITION = ITEMS REQUIRING IMMEDITE CORRECTIVE CTIONS REVISED 6/22/2010

5 SWITCHGER INSPECTION INSULTION RESISTNCE DESCRIBE WHT WS TESTED REFERENCE STNDRD: NET CCEPTBLE 5 TEST VOLTGE: DURTION: VOLTS DC MINUTE(S) MESURED (MEGOHMS) RECOMMENDED MINIMUM (MEGOHMS) CCEPTBLE (YES / N0) PHSE - TO - PHSE - ND - GROUND PHSE TO PHSE B, PHSE C ND GROUND PHSE B TO PHSE C, PHSE ND GROUND PHSE C TO PHSE, PHSE B ND GROUND OVERPOTENTIL DESCRIBE WHT WS TESTED REFERENCE STNDRD: NET CCEPTBLE TEST VOLTGE: DURTION: VOLTS DC MINUTE(S) MESURED (MEGOHMS) (PSS / FIL) CCEPTBLE (YES / N0) PHSE - TO - PHSE - ND - GROUND PHSE TO PHSE B, PHSE C ND GROUND PHSE B TO PHSE C, PHSE ND GROUND PHSE C TO PHSE, PHSE B ND GROUND CONNECTION RESISTNCE CONNECTION FROM CONNECTION TO PHSE PHSE B PHSE C CONNECTION FROM CONNECTION TO PHSE PHSE B PHSE C MESURED CCEPTBLE CONNECTION FROM MESURED ( OHMS) (YES / NO) CONNECTION TO ( OHMS) PHSE PHSE B PHSE C CONNECTION FROM CONNECTION TO PHSE PHSE B PHSE C CCEPTBLE (YES / N0) NET CONNECTION RESISTNCE REQUIREMENT: COMPRE S TO S OF SIMILR CONNECTIONS. RE S STISFCTORY YES NO ( IF NO, SEE COMMENTS FOR N EXPLNTION ) REVISED 6/22/2010

6 SWITCHBORD BUS CONNECTION TEST 6 WITHSTND RTING k CONDUCTOR CU L RESISTNCE IN MICRO-OHMS RESISTNCE IN MICRO-OHMS FROM TO B C N G FROM TO B C N G 50400, REVISED 4/22/2009

7 LOW VOLTGE SWITCHBORD INSULTION TEST 7 WITHSTND RTING k CONDUCTOR CU L INSTLLED DEVICES DRWOUT LVCB BOLT-IN LVCB DRWOUT MCCB BOLT-IN MCCB BOLTED PRESSURE SWITCHES FUSED DISCONNECTS PROTECTIVE RELYS PNEL METERS kwhr METERS VT's CT's CPT's DESCRIPTION OVERLL CLENLINESS INSULTING MEMBERS CUBICLES GROUND CONNECTION UXILIRY DEVICES INSPECTED CONDITION CLENED/LUBED TEST VOLTGE kvdc EQUIPMENT TEMPERTURE TEMPERTURE CORRECTION FCTOR TO, TCF INSULTION RESISTNCE TEST S - MEGOHMS -GND B-GND C-GND N-GND - B - C B - C - N B - N C - N 50100, REVISED 4/22/2009

8 MEDIUM VOLTGE SWITCHBORD INSULTION TEST 8 WITHSTND RTING k CONDUCTOR CU L INSTLLED DEVICES VCUUM BREKERS IR BREKERS LODBREK DISCONNECTS NUMBER OF BYS VOLTGE RELYS OVERCURRENT RELYS PROTECTIVE RELYS UXILIRY RELY PNEL METERS kwhr METERS VT's CT's CPT's DESCRIPTION OVERLL CLENLINESS INSULTING MEMBERS CUBICLES GROUND CONNECTIONS UXILIRY DEVICES INSPECTED CONDITION CLENED/LUBED INSULTION TEST VOLTGE kvdc EQUIPMENT TEMPERTURE TEMPERTURE CORRECTION FCTOR TO, TCF = INSULTION RESISTNCE TEST S - MEGOHMS PHSE -GND B-GND C-GND N-GND - B - C B - C CTUL REDING SHDING INDICTES TEMPERTURE CORRECTED REDING TO 50000, REVISED 8/26/2013