Inverter power conversion system having improved control scheme

Details Inverter power conversion system having improved control scheme Inverter power conversion system having improved control scheme

1979-04-24

1981-03-24

Shoop, William M.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

307269, 328 62, 318722, 318345G, H02M 7515, H02M 7757

Patent

active

042584167

ABSTRACT:
A polyphase inverter system for supplying alternating current power to a load through the use of conduction controlled devices such as controlled rectifiers which are selectively rendered conductive in a sequence and at a rate which determines the frequency of the electrical power delivered to the load, includes an inverter control employing a source of pulses and an open-ended, bidirectional shift register. The contents of the register are shifted in response to the application thereto of the pulses, in combination with a direction signal. The instantaneous contents of the register serve to initiate gating signals for rendering conductive the controlled rectifiers. Logic means associated with and responsive to a specified configuration of the register contents develop, in combination with the directional signal, a predetermined bit pattern to be inserted into the register.

REFERENCES:
patent: 4191998 (1980-03-01), Carmody

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