Polyphase frequency converter with individually current-regulate

Details Polyphase frequency converter with individually current-regulate Polyphase frequency converter with individually current-regulate

1981-07-20

1983-02-01

Shoop, William M.

Electric power conversion systems

Frequency conversion without intermediate conversion to d.c.

By semiconductor converter

363 70, H02M 527

Patent

active

043719201

ABSTRACT:
A system for controlling the current of a direct converter or a pulse inverter having m subconverters, each such subconverter having two outputs. One of the outputs is connected to a neutral point of the converter, and not to a load. The other output of each subconverter is provided with a separate current regulator, and connected to the load. Divergence between the voltage of the neutral point of the converter and the neutral point of the load is prevented by providing a controller with a resistive feedback line.

REFERENCES:
patent: 3970914 (1976-07-01), Salzmann et al.
patent: 4008428 (1977-02-01), Waldmann et al.
patent: 4074348 (1978-02-01), Salzmann et al.

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