Solid state circuit breaker

Electrical transmission or interconnection systems – Switching systems – Condition responsive

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Details

307130, 361 61, 361 76, 323901, H02J 314

Patent

active

061041068

ABSTRACT:
A switching circuit that is particularly applicable to high voltage 3 phase solid state circuit breakers (SSCB). The circuit comprises a solid state switch; an energy absorbing device connected in parallel with said switch to form a parallel combination; an inductor connected in series with said parallel combination; and a control circuit connected to said solid state switch and adapted to turn off said switch in response to a predetermined voltage/current condition.

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patent: 4084207 (1978-04-01), Piccone et al.
patent: 5216352 (1993-06-01), Studtman et al.
Smith, R. K., et al., "Solid State Distribution Current Limiter and Circuit Breaker: Application Requirements and Control Strategies", IEEE/PES 1992 Summer Meeting, Seattle, WA, Jul. 12-16, 1992.
General Electric, "SCR Manual, Including Triacs and Other Thyristors, Sixth Edition", Prentice-Hall (1982), pp. 231-244; 276-280.
Brambilla, et al., "Snubber Circuit Design for GTO Converters", Proceedings of the International Conference on Industrial Electronics, Control and Instrumentation (Oct. 28-Nov. 1, 1991), vol. 1 of 3, IEEE, pp. 668-673.
Hashii, et al., "New Approach to a High-Power GTO PWM Inverter for AC Motor Drives", IEEE Transactions on Industry Applications (Mar. 1987), vol. 1A-23, No. 2, pp. 263-269.

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