Controlled three-phase rectifier with current comparison between

Details Controlled three-phase rectifier with current comparison between Controlled three-phase rectifier with current comparison between

1998-01-12

1999-10-05

Sterrett, Jeffrey

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 70, 363 87, 363129, H02H 7125

Patent

active

059634405

ABSTRACT:
A parallel array of a plurality of controlled rectifier bridges for converting multi-phase AC current to DC. Each bridge includes a plurality of rectifier segments. One segment for each polarity of each phase of current. A sensor monitors the current and temperature at each rectifier. The sensor outputs for corresponding segments among the bridges are compared and the timing of the conduction of the rectifiers are controlled to maintain the current and temperatures among the corresponding segments in balance.

REFERENCES:
patent: 3953781 (1976-04-01), Forster et al.
patent: 4253054 (1981-02-01), Steigerwald
patent: 4460950 (1984-07-01), Finney
patent: 5031087 (1991-07-01), Tuusa

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