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Principle of Inverter of Frequency converter(3)

Views: 3     Author: Site Editor     Publish Time: 2018-02-11      Origin: Site

Polyphase pulse rectifier.

The method of polyphase rectification can be adopted when the condition allows or requires the harmonic to be limited in a relatively small way. The 12-phase pulse rectifier THDV is about 10 to 15 and 18 phase pulse rectified, the THDV of which is about 3 to 8, meeting the requirements of international standards. The disadvantage is the need for special transformers, which is not conducive to the transformation of the equipment, and the price is high.


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