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  • What is the reason for burning the intermediate frequency transformer
  • 2018/1/6 number of times read:[844]
  • Failure phenomenon: if the medium frequency transformer is burnt out, the starting equipment will still burn the intermediate frequency transformer after the replacement.

    Fault analysis and processing: this kind of fault is common in the equipment using the boost load, which is mainly caused by the vent inductance and the open circuit.


    In the boost load, voltage series capacitors and shunt capacitors at both ends can not be absolutely consistent, in two groups of compensation capacitor discharge, the voltage is not the same, the discharge time is not the same, the discharge time of high voltage slow, and this group is still not fully complete discharge capacitor when start charging process, this charge will accumulate DC capacitors, the DC charge to release through the discharge if the drain inductance, inductance circuit, DC capacitor charge will accumulate on the release through the intermediate frequency transformer, because if the transformer capacity is very small, under current flowing too big, cause if transformer burn out.

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