Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Patent
1989-01-24
1990-02-06
Salce, Patrick R.
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
323906, G05F 167
Patent
active
048992690
ABSTRACT:
A system for regulating the operating point of a direct current power supply comprising a current generator system connected to a pulse width modulation converter includes a circuit for sampling and measuring the voltage and the current supplied by the current generator. A threshold detector circuit responding to stalling of the converter supplies a logic signal representing the stalled or non-stalled state of the converter relative to threshold values. A regulation loop includes a switching device for inverting the sign of the error signal so that the operating point can be moved towards the maximum power point on the output current-voltage characteristic of the current generator. The system is applicable to regulation of the electrical power supply circuits of spacecraft, space probes, satellites and the like.
REFERENCES:
patent: 3626198 (1971-12-01), Boehringer
patent: 4390940 (1983-06-01), Corbefin et al.
patent: 4404472 (1983-09-01), Steigerwald
patent: 4678983 (1987-07-01), Rouzies
patent: 4691159 (1987-09-01), Ahrens et al.
Centre National d'Etudes Spatiales
Peckman Kristine
Salce Patrick R.
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