Optically controlled power converting apparatus

Details Optically controlled power converting apparatus Optically controlled power converting apparatus

1986-06-30

1988-01-12

Beha, Jr., William H.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

307637, 357 22, 357 30, 363 37, 363128, 363129, 363136, 363137, 323207, H02M 7527

Patent

active

047195517

ABSTRACT:
The present invention provides an optically controlled power converting apparatus using light trigger/light quench electrostatic induction thyristors, as switching elements, which can execute the switching operations at a high speed being when they are supplied with light trigger pulses and light quench pulses. By supplying the light trigger pulses and light quench pulses at the timings corresponding to the pulse width modulation, the light trigger/light quench electrostatic induction thyristors can perform predetermined power converting operations.

REFERENCES:
patent: 4200879 (1980-04-01), Nonaka et al.
patent: 4486824 (1984-12-01), Okuyama et al.
Zurgum et al, "A New Gate Turn-Off Switch (G.T.O.) Used in a P.W.M. A.C. Motor Drive," Cout: Proc. of the First Annual Int. Motorcon '81 Conference, Chicago, IL., U.S.A. (10-13 Jun. 1981), pp. 483-491.
Fourth International Conference on AC and DC Power Transmission, Conference Publication Number 255, "New Thyristor Applicable to DC Power Transmission," by Nishizawa and Tamamushi, pp. 304-309 (undated).

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