Switching system to short-circuit a load with minimum residual v

Details Switching system to short-circuit a load with minimum residual v Switching system to short-circuit a load with minimum residual v

1976-09-20

1977-10-18

Lynch, Michael J.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 46, 307254, 307299A, 307299B, 307303, H01L 2972

Patent

active

040548988

ABSTRACT:
A controlled main switch, typically a semiconductor switch, is connected in parallel to the load. In accordance with the invention, an auxiliary switch, typically also a semiconductor switch such as a switching transistor is directly connected across the terminals of the load, and with an impedance, for example a resistance, diode, or Zener diode to the main switch, and controlled to switch in synchronism with the main switch, so that the residual voltage across the load due to inherent voltage drop across the terminals of the switch becomes a minimum. Integrated technology may be used, combining preamplifiers and distribution networks in one monolithic chip.

REFERENCES:
patent: 3284677 (1966-11-01), Haas
patent: 3407315 (1968-10-01), Greefkes
patent: 3489963 (1970-01-01), Gilett
W. Wu, "Method of improving switching speed," IEEE J. of S. S. Ckts., vol. SC-5, No. 4, Aug. 1970, pp. 159-162.

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