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Section 9: Excitation Transformer

This document summarizes inspection and test results for an excitation transformer. Key details include the manufacturer, serial number, ratings, and test year. Visual, insulation resistance, winding resistance, and ratio tests were performed and results were within specification. The excitation transformer passed inspection and testing.

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ManjunathRangishetty
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97 views2 pages

Section 9: Excitation Transformer

This document summarizes inspection and test results for an excitation transformer. Key details include the manufacturer, serial number, ratings, and test year. Visual, insulation resistance, winding resistance, and ratio tests were performed and results were within specification. The excitation transformer passed inspection and testing.

Uploaded by

ManjunathRangishetty
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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SECTION 9

EXCITATION TRANSFORMER
FIELD INSPECTION AND TEST REPORT

EXCITATION TRANSFORMER

Plant : . Customer : .
Location : . Project : .
Unit : . Device No : .
Panel : . Feeder : .
TECHNICAL DATA
Manufacturer . Serial no .
Type/Model . Frequency .
Year of Manufacture . Power .
Primary Voltage . Ratio .
Primary current . Impedance Voltage .
.
1. VISUAL INSPECTION CHECKED
1.1 Excitation transformer undamaged and clean .
1.2 Excitation transformer and equipment properly grounded .
1.3 All Fastenings checked .
1.4 Wiring and cabling checked, terminals fastened properly .
1.5 Labeling transformer, equipment, cable, and wire correct .

2. EXCITATION TRANSFORMER INSULATION RESISTANCE AND WINDING RESISTANC MEASUREMENT

Test connection Voltage test Insulation resistance Winding resistance


Energize Ground (Vdc) (MΩ) (Ω)
HV LV(all) 5000
a-b.1 HV 500
b-b.1 HV 500

3. EXCITATION TRANSFORMER RATIO TEST


Test No Terminal Rated Ratio Measurement % Error Polarity
1 a-b.1 61.111
2 b-b.1 61.111

Test Instrument:

Comment .
.
.

Tested by Reviewed by Witnessed by

Date Date Date

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