Inspection items

NO.

Transformer  

test items

Routine test

Type test

Special test

1

Winding resistance   measurement

2

Insulation   resistance test

3

Applied voltage test

4

Polarity and phase relation test

5

Voltage ratio test

6

Load loss and impedance voltage test

7

Induced voltage test

8

No-load loss and current test

9

Temperature rise test


10

Sound level test


11

Inrush current test



12

Waterproof test



NO.

Reactor

test items

Routine test

Type test

Special test

1

Winding resistance measurement

2Inductance test
3Insulation resistance test
4Withstanding insulation test
5Sound level test
6

Temperature rise test