Control Tranfo 3f4.docx
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STANDARD CHECKLIST PROJECT : NMDC 3.0MTPY STEEL PLANT (NAGARNAR) REF: PUMP HOUSE/415V
PANEL NO: MCC
Date:25/10/2018
CONTROL TRANSFORMER LOCATION- Raw Water Pump House
FEEDER NAME:3F4 1. NAME PLATE DETAILS: REFERENCE
DETAILS
RATIO INS CLASS KVA Make REF
3.INSULATION RTESISTANCE IN(Ω)
415/240V F 2.5 VALUE
>1GΩ >1GΩ >1GΩ 4.MEASUREMENT OF RESISTANCE IN (Ω) Pri-Earth -500V
Pri- Sec-500V Sec –Earth-200V
REF Primary Secondary
VALUE
4.7Ω 1.10Ω
5.RATIO TEST REF
INJECTED VOLTAGE IN PRY (V)
1
227.5
ACTUAL VALUE IN SEC (V)
VOLTAGE MEASURED IN SEC.(V)
131.5
141.3
6.INSTRUMENT DETAILS INSTRUMENT
SERIAL NO
MODEL
VALID UPTO
MULTIMETER FLUKE
34630115WS
17B
19-06-2019
INSULATION TESTER
E0023218
KEW 3125A
19-06-2019
SIGNATURE:
SIGNATURE:
SIGNATURE:
SIGNATURE:
NAME: DESIGN: T&C ENGG.
NAME: DESIGN: SITE ENGG. COMPANY: SRI RAM
NAME: DESIGN: COMPANY: MECON
NAME: DESIGN: COMPANY: NMDC
COMPANY:
STANDARD CHECKLIST PROJECT : NMDC 3.0MTPY STEEL PLANT (NAGARNAR) REF: PUMP HOUSE/415V
PANEL NO: MCC
MICRO OHM METER
01A
Date:25/10/2018 030500
19-06-2019
7. OBSERVATION: Control transformer is Found Healthy .
SIGNATURE:
SIGNATURE:
SIGNATURE:
SIGNATURE:
NAME: DESIGN: T&C ENGG.
NAME: DESIGN: SITE ENGG. COMPANY: SRI RAM
NAME: DESIGN: COMPANY: MECON
NAME: DESIGN: COMPANY: NMDC
COMPANY:
PANEL NO: MCC
Date:25/10/2018
CONTROL TRANSFORMER LOCATION- Raw Water Pump House
FEEDER NAME:3F4 1. NAME PLATE DETAILS: REFERENCE
DETAILS
RATIO INS CLASS KVA Make REF
3.INSULATION RTESISTANCE IN(Ω)
415/240V F 2.5 VALUE
>1GΩ >1GΩ >1GΩ 4.MEASUREMENT OF RESISTANCE IN (Ω) Pri-Earth -500V
Pri- Sec-500V Sec –Earth-200V
REF Primary Secondary
VALUE
4.7Ω 1.10Ω
5.RATIO TEST REF
INJECTED VOLTAGE IN PRY (V)
1
227.5
ACTUAL VALUE IN SEC (V)
VOLTAGE MEASURED IN SEC.(V)
131.5
141.3
6.INSTRUMENT DETAILS INSTRUMENT
SERIAL NO
MODEL
VALID UPTO
MULTIMETER FLUKE
34630115WS
17B
19-06-2019
INSULATION TESTER
E0023218
KEW 3125A
19-06-2019
SIGNATURE:
SIGNATURE:
SIGNATURE:
SIGNATURE:
NAME: DESIGN: T&C ENGG.
NAME: DESIGN: SITE ENGG. COMPANY: SRI RAM
NAME: DESIGN: COMPANY: MECON
NAME: DESIGN: COMPANY: NMDC
COMPANY:
STANDARD CHECKLIST PROJECT : NMDC 3.0MTPY STEEL PLANT (NAGARNAR) REF: PUMP HOUSE/415V
PANEL NO: MCC
MICRO OHM METER
01A
Date:25/10/2018 030500
19-06-2019
7. OBSERVATION: Control transformer is Found Healthy .
SIGNATURE:
SIGNATURE:
SIGNATURE:
SIGNATURE:
NAME: DESIGN: T&C ENGG.
NAME: DESIGN: SITE ENGG. COMPANY: SRI RAM
NAME: DESIGN: COMPANY: MECON
NAME: DESIGN: COMPANY: NMDC
COMPANY:
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