Method of controlling polyphase inverters and control circuits t

Details Method of controlling polyphase inverters and control circuits t Method of controlling polyphase inverters and control circuits t

1981-08-21

1983-10-18

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

H02M 108

Patent

active

044109377

ABSTRACT:
Ideal polyphase sinusoidal waveforms are divided into a plurality of consecutive sections having equal width in electric angles, and the sections are encoded for different frequencies to form encoded data which are stored in a ROM. The data stored in the ROM are selectively read out according to a predetermined conduction pattern for an inverter. Then, the read out encoded data are combined in a succession to form positive half cycle waveforms and the read out encoded data are inverted and then combined to form negative half cycle waveforms so as to form polyphase sinusoidal waveforms utilized as control signals of the inverter.

REFERENCES:
patent: 4330820 (1982-05-01), Braun
patent: 4352154 (1982-09-01), Reiber
patent: 4356544 (1982-10-01), Ono et al.
Elektronk (Germ.), vol. 25, No. 12, pp. 43-46, 53, Dec. 1976.

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