Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1989-09-15
1991-08-27
Callahan, Timothy P.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307282, 363 20, 363 21, 363 56, H02M 3335, H04N 563
Patent
active
050435981
ABSTRACT:
A high voltage generating circuit which includes a switching circuit for switching a DC input, a fly-back transformer whose input coil is driven by pulses delivered from the switching actuation of the switching actuation of the circuit, a rectifier circuit for rectifying the fly-back voltage generated in the output coil of the fly-back transformer, a capacitor for smoothing the rectified output, and a voltage stabilizing circuit. A diode is electrically connected to one terminal of the output coil of the fly-back transformer on the low-voltage side thereof as compared with the ground, the diode being so determined as to position in the forward direction to the direction of rectification. The voltage stabilizing circuit is formed by a voltage sensing circuit for sensing a DC high voltage output, comparing it with a reference voltage applied from a reference voltage source and generating an output of a result of comparison and a control circuit connected between the anode of the diode and the ground terminal. The control circuit is formed of a plurality of transistors including transistors controlled in response to the output from the voltage sensing circuit and a protective circuit for each of the transistors.
REFERENCES:
patent: 4323961 (1982-04-01), Joesphson
patent: 4343028 (1982-08-01), Hicks
patent: 4642744 (1987-02-01), Thomas
patent: 4823248 (1989-04-01), Ikeuchi et al.
patent: 4866353 (1989-09-01), Haferl
Ishikawa Michio
Iwata Yasushi
Kanno Takayuki
Maeda Tsutomu
Matsui Kiyoshi
Callahan Timothy P.
TDK Corporation
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