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HT 33kv Incomer CT

This test report details the evaluation of a current transformer for the BPREP project, commissioned by BPCL. Key tests conducted include insulation resistance, winding resistance, polarity, and ratio tests, with all results deemed satisfactory. The report includes specific measured values for different test conditions and configurations.

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35 views3 pages

HT 33kv Incomer CT

This test report details the evaluation of a current transformer for the BPREP project, commissioned by BPCL. Key tests conducted include insulation resistance, winding resistance, polarity, and ratio tests, with all results deemed satisfactory. The report includes specific measured values for different test conditions and configurations.

Uploaded by

seeplbpcl
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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TEST REPORT FOR

CURRENT TRANSFORMER
PROJECT: BPREP
CLIENT: BPCL Date:

CONSULTANT ENGINEERS INDIA LIMITED JOB N0.B-857


NAME OF CONSTRUCTION POWER WORKS WORK ORDER
WORK NO.4510493731 dt 16.10.24

Board Details:

Designation :
Location :
Panel Name :
Panel No :
1.Name plate details:

Ratio (A)

VA
Class
Term
T Ratio
Make

2. IR Test: (Applied voltage in DC for 1 Min)

Applied Ref Measured values


voltage
R Y B
5KV Primary-E
5KV Primary-Core 1
5KV Primary-Core 2
500V Core 1-E
500V Core 2-E
500V Core 1-Core 2

SEEPL EIL BPCL

SIGN
NAME
TEST REPORT FOR
CURRENT TRANSFORMER
PROJECT: BPREP
CLIENT: BPCL Date:

CONSULTANT ENGINEERS INDIA LIMITED JOB N0.B-857


NAME OF CONSTRUCTION POWER WORKS WORK ORDER
WORK NO.4510493731 dt 16.10.24

3.Winding resistance:(in ohms Ω)

Term Measured in secondary


R Y B
Core 1 (1s1 -1s2)
(1s1 -1s3)
Core 2 (2s1 -2s2)
(2s1 - 2s3)

4. Polarity Test: (Using Galvanometer)

Term Measured in secondary


R Y B
Core 1 (1s1 -1s2 -1s3) Forward
(1s1 -1s2 -1s3) Reverse
Core 2 (2s1 -2s2 -2s3) Forward
(2s1 -2s2 -2s3) Reverse

5.Ratio Test: (Ct Ratio- 150/1A)

Applied Applied Measured value in secondary (A)


current(A)
current R Y B
in primary
(%) in primary C1 C2 C1 C2 C1 C2
25% 37.5A
50% 75.0A
75% 112.5A
100% 150.0A

SEEPL EIL BPCL

SIGN
NAME
TEST REPORT FOR
CURRENT TRANSFORMER
PROJECT: BPREP
CLIENT: BPCL Date:

CONSULTANT ENGINEERS INDIA LIMITED JOB N0.B-857


NAME OF CONSTRUCTION POWER WORKS WORK ORDER
WORK NO.4510493731 dt 16.10.24

6.Ratio Test: (Ct Ratio- 100/1A)

Applied current Applied Measured value in secondary (A)


current(A) R Y B
(%) in primary
in primary
C1 C2 C1 C2 C1 C2
25% 25A
50% 50A
75% 75A
100% 100A

Remarks: All results found satisfactory

SEEPL EIL BPCL

SIGN
NAME

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