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Damage Causes and Solutions of Distribution Transformer

time:2022-11-17 classify:Industry News

1、 Damage causes of distribution transformer

1. Overload

2. Refueling distribution transformer against rules

3. Resonance overvoltage caused by improper reactive power compensation

4. Ferroresonance overvoltage of the system

5. Lightning overvoltage

6. Secondary short circuit

7. Poor crimping of tap changer

8. The breather hole is blocked

9. Others

2、 Measures to solve the damage of distribution transformer

According to the cause analysis of the above distribution transformer damage, a considerable part of the distribution transformer damage can be avoided, and some transformer damage accidents can be eliminated in the bud as long as the equipment patrol inspection is strengthened and the safety rules and regulations are strictly handled. Specific countermeasures are as follows.

1. Check and test before operation

2. Precautions during operation