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Benistor
A benistor is a controllable electron valve capable to independently manage the amount of voltage and current between generator and load in an electrical circuit. The benistor is able to modulate the value of any or all of following parameters delivered to a load: maximum voltage, effective voltage, average voltage, maximum current, effective current, or average current. The benistor achieves this modulation by means of several voltage and current control terminals. The benistor’s capability to operate in linear, switching, or self-switching mode of operation, controlling the voltage amount on the vertical axis and the current amount on the horizontal axis (see oscilloscope waveforms), makes it an extremely versatile control device for power management applications, especially for circuits involving non-linear loads, such as LED (Light Emitting Diode) power converters (drivers).
==History==
The benistor was invented in 1995 by Beniamin Acatrinei, a Romanian born inventor living in Silicon Valley, California. Acatrinei’s intention was to improve upon the thyristor or silicon controlled rectifier (SCR) which has certain limitations. The benistor concept was initially published in two US patents issued in 1997 and 1999. The benistor received significant recognition for its originality and versatility, but there have been limited product applications to date. However, the LED Lighting power management market is an excellent application for the benistor, because LEDs are non-linear devices that require constant current in a limited maximum voltage supply range. Providing constant current in a limited maximum voltage range is necessary to achieve minimum dissipation and maximum efficiency, and is a technical challenge which is an ideal application for benistor.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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