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笔者推荐一种加热控制方法。是自藕变压器提供从０～２５０Ｖ的交流电压，将自藕变压器串接于电源与加热器件之间，能调节加热功率，从而控制加热温度。该方法有如下特点：技术简单，费用低廉和节电，控制功率大，控制方便，不易出故障。以下是应用实例：１用于高压电热灭...
I recommend a heating control method. Is from the autotransformer to provide AC voltage from 0 ~ 250V, the autotransformer connected in series between the power supply and heating devices, can adjust the heating power, and thus control the heating temperature. The method has the following characteristics: simple technique, low cost, energy saving, large control power, convenient control and easy failure. The following is an application example: 1 for high-voltage electric heat off ...