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Phase-fired controller

Phase-fired control (PFC), also called phase cutting or phase-angle control, is a method for power limiting, applied to AC voltages. It works by modulating a thyristor, SCR, triac, thyratron, or other such gated diode-like devices into and out of conduction at a predetermined phase angle of the applied waveform.

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Overview

ACThyristorsSCRTriacThyratron
18 related topics

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Phase-fired controller

Nodes20
Edges19
Triples20
Avg. degree1.9
Density0.1
Components1

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Phase-fired controller

Top relations

related to "Boosting" by derating · 6
Phase-fired controller → Derating, Over, PFC, The, To, When
related to history · 4
Phase-fired controller → Because, However, It, The
related to Output reduction by bucking · 3
Phase-fired controller → AC, By, Provided

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Important terminology

output phase-fired control input controllers modulation phase ac supply controller elements pfc voltage cycle waveform power often time present equipment

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
electric ovensinstance ofThey often find their way into controllers designed for equipment0.80text
furnaces.In moderninstance ofThey often find their way into controllers designed for equipment0.80text
usually high-powerinstance ofThey often find their way into controllers designed for equipment0.80text
equipmentinstance ofThey often find their way into controllers designed for equipment0.80text
the transformer is replaced with phase-fired controllers connecting the load directly to the mainsinstance ofThey often find their way into controllers designed for equipment0.80text
resulting in a substantially cheaperinstance ofThey often find their way into controllers designed for equipment0.80text
lighter systeminstance ofThey often find their way into controllers designed for equipment0.80text
Phase-fired controllerrelated to "Boosting" by deratingTo0.60section
Phase-fired controllerrelated to "Boosting" by deratingPFC0.60section
Phase-fired controllerrelated to "Boosting" by deratingWhen0.60section
Phase-fired controllerrelated to "Boosting" by deratingDerating0.60section
Phase-fired controllerrelated to "Boosting" by deratingOver0.60section

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    Min side: 3
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