 简易的调功器电路 如图为简易的调功器电路。该电路适用各类型的小型加热器。电路的特点是用压敏电阻MY吸收电网的过电压，保证了触发回路电压稳定。调节W可改变SCR的导通角，从而改变负载获得的功率。 : |
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