Protection circuit for a power converter apparatus

Details Protection circuit for a power converter apparatus Protection circuit for a power converter apparatus

1986-12-16

1987-10-06

Wong, Peter S.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 68, 361104, 361127, H02H 700

Patent

active

046987363

ABSTRACT:
A protection circuit for a power converter apparatus is disclosed which is made up of plural unit circuits, each comprising at least one fuse connected in series with a semiconductor element, such as a thyristor, and a non-linear resistor connected in parallel at least with the fuse. In this way fuses can be employed in a power converter apparatus of high voltage and current capacity. The unit circuits can be connected in series or in parallel or both to increase the current and/or voltage capacity of the power converter. Trigger fuses can be employed to halt operation of the unit in the event of fusing of one or more of the fuses.

REFERENCES:
patent: 4511957 (1985-04-01), Matsumura et al.

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