January 10, 2025

Three-phase passive PFC circuit

Passive 3225G 8MHZ 10MHZ

With the introduction of new standards for the national grid, many power supplies require additional PFC functionality, whether in single-phase or three-phase. PFC has passive and active components. The cost of active PFC is large, but the effect is obvious. The cost of passive PFC is low and the PFC value is relatively high. Therefore, many manufacturers use passive PFC in order to save costs. Single-phase passive PFC is more common. It will not be discussed here. This paper mainly introduces three-phase passive PFC. Detailed reference material.

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