Electric power conversion systems – Current conversion – Having plural converters for single conversion
Patent
1987-01-06
1987-10-13
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Having plural converters for single conversion
307641, 307645, H02M 108
Patent
active
047002840
ABSTRACT:
A high-voltage thristor converter and control therefor includes a plurality of thyristor modules and a transducer for feeding a control signal to each of the thyristor modules in response to an external operation command. The transducer produces an electrical control signal which is directed to a laser beam irradiator which converts the control signal into a laser beam signal. The laser beam signal is directed to a light sensitive element in the thyristor module for converting the laser beam signal into an electric control signal to trigger a thyristor element in the module.
REFERENCES:
patent: 3355600 (1967-11-01), Mapham
patent: 3723768 (1973-03-01), Eccles et al.
patent: 3968397 (1976-07-01), Frese et al.
patent: 4489372 (1984-12-01), Hatano et al.
"A High-Voltage, High-Powered Light-Triggered Thyristor"-K. Niwayama et al., International Conference on Power Electronics and Variable Speed Devices (IEEE, 1984).
"Development of HVDC Thyristor Valve Insulated and Cooled by Compressed SF.sub.6 Gas",-S. Matsumura et al., IEEE, 1983.
"Gas Insulated HVDC Converter Stations"-Fischer et al., World Electrotechnical Congress, Moscow, U.S.S.R., Jun. 21-25, 1977.
Yoshioka Akiyoshi
Yoshizumi Toshiaki
Beha Jr. William H.
Mitsubishi Denki & Kabushiki Kaisha
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