module is damaged, we need to check the analysis of its causes, can turn from the cooling tube core, open the core box and remove chips, observe its traces of damage, is to determine why.
Has the thyristor module below small make up to introduce the five major cause of the damage of thyristor modules: 1, the voltage breakdown.
Thyristor module damage due to cannot withstand voltage, there is a bright holes in its chips, sometimes need to expand mirror to see.
The reason may be that the pipe pressure drop itself or by circuit disconnect when the high voltage breakdown.
2, current damage.
The trace of the current damage is characterized by chip was burned into a pit, and rough, its position in the far away from the control cabinet.
3 damage of current rising rate.
The marks the same as the current damage, and its position in the control of highly near or on the control cabinet.
4, edge damage.
He took place in chip cylindrical chamfering, with small bright and clean pores.
With a magnifying glass to see the chamfer surface with fine fine metal cut.
K voltage breakdown.
G - thyristor module
Because cannot bear reverse voltage between K (
And damage, its G - chip
Burning in the pathways between K (
Thyristor module, we use the most professional attitude, concern you the most subtle, want to think of the client, the urgent need of the client, in a very quality, fill and level up your fears.
If you are interested in our thyristor module or there is doubt, welcome your consultation, the consultation telephone: 06577 -
We wait for you!
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