Rare card
Phase-fired controller
- Value
- 50 W
- Attack
- 689
- Defence
- 552
- Players
- 0
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…
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