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The impact of dry-type transformers closing My Opinion

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The impact of dry-type transformers closing My Opinion

Date:2014-10-19 00:00 Sourse:http://csyma.com Hits:

The impact of dry-type transformers closing My Opinion:

    Since the transmission instant, dry-type transformers as an inductance element, there is a transition process. That there is a big inrush current, core extreme saturation.

Dry-type transformer inrush current can reach 8 to 10 times the rated current.

Remanence direction of the inrush current size and closing moments of the initial phase angle and voltage transformer core related. And also the distance away from the core by the relevant electrical windings.

福建快3Closing time may cause over-current, quick-break or differential protection tripping.

Closing impact not only on the quality of dry-type transformers in itself a test, but a test of the relay.

福建快3Since the inrush current is an objective reality, the appearance of dry-type transformers power transmission no exception, then they should escape the inrush current protection.

Many times can not escape the inrush current protection, should be improved and adjusted to a given set of values relay.


Related Tags:Dry-typetransformermanufacturers

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