CPC H02M 1/32 (2013.01) [H01L 23/564 (2013.01); H02M 7/217 (2013.01); H05K 5/0095 (2013.01)] | 20 Claims |
1. A power conversion system comprising:
a rectifier comprising at least one rectifier switch module for rectifying AC input power;
a DC bus connected to the rectifier;
wherein said at least one rectifier switch module comprises:
a base plate;
a housing connected to the base plate and defining an interior space that contains at least one semiconductor switch;
a protective cover layer comprising a corrosion protection material, said protective cover layer dividing the interior space into an inner sub-space located between the base plate and the protective cover layer and an outer sub-space located between the protective cover layer and the housing;
wherein said at least one semiconductor switch is located in said inner sub-space such that an atmosphere in said outer sub-space passes through the protective cover layer of corrosion protection material before entering said inner sub-space.
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