dv/dt Protection circuit device for an AC-DC converter apparatus

Details dv/dt Protection circuit device for an AC-DC converter apparatus dv/dt Protection circuit device for an AC-DC converter apparatus

1985-03-11

1987-01-13

Salce, Patrick R.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 88, 363129, H02H 7125

Patent

active

046369325

ABSTRACT:
A dv/dt protection circuit device for an AC-DC converter apparatus including control board switching arrangement having a current cut-off function which conducts an interrupts current from a power source to a load and refluxes the load current while the current is uninterrupted by a full-wave bridge rectifier circuit having a plurality of arms. Each arm of the bridge rectifier circuit connects a reactor for suppressing a rate of change of a power source line voltage of the bridge rectifier circuit at the switching time of the switching arrangement and a condenser is provided for absorbing an overvoltage generated at an inductance on the side of the power source, the condenser being connected on the side of the power source connected to the bridge rectifier circuit.

REFERENCES:
patent: 3953781 (1976-04-01), Forster et al.
patent: 4275430 (1981-06-01), Seki et al.
patent: 4319318 (1982-03-01), Rippel et al.

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