Standards for winding and fault analysis of small transformers

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Winding and failure analysis of small transformers

Scoring standard page

Serial number

Scoring item

Standard score

Grading

小型变压器的绕制及故障分析评分标准

1

Winding

50 points

(1) The secondary voltage error is ± 3%, and every 1%deduction is 10 points

(2) 30 points for short -circuit buckle between winding between winding

(3) Winding ground (touching iron heart) deduction 30 points

2

shape

20 points

(1) The line package is not tightly deducted 10 points

(2) Incorrect inlaid, 15 points with a gap deduction

3

Lead

10 points

(1) There are false welding, 5 points for each deduction

(2) Leading the line without the insulating sleeve, each deduction 5 points

4

Instrument use

(1) Improper use of instrument deduction 10 points

(2) 20 points for damage instrument buckle

5

Safe and civilized production

10 points for violation of safety and civilized production deductions

Working hours: 6H

Finding and fault analysis of small transformers: (100 points for full score)

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Winding and failure analysis of small transformers

Serial number

Scoring item

Standard score

1

Winding

50 points

2

shape

20 points

20 points

20 points

3

Lead

10 points

10 points

10 points

4

Instrument use

5

Safe and civilized production

Working hours: 6H