silicon-controlled rectifier

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Related to Semiconductor-controlled rectifier: Silicon Controlled Switch

silicon-controlled rectifier

n
(Electronics) a semiconductor rectifier whose forward current between two electrodes, the anode and cathode, is initiated by means of a signal applied to a third electrode, the gate. The current subsequently becomes independent of the signal. It is a type of thyristor. Abbreviation: SCR
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However, the phasing back of the semiconductor-controlled rectifier (SCR) in the DC drive, which is used to control speed, creates a poor power factor at low speeds.

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