现场工业试验成功地实现了大功率电机变频到工频的平稳切换，切换电流大大减小。
In the industry test is realized to successfully complete the switch from VF to WF, the switch current greatly decrease.
大功率静态旁路开关，过载时可自动转旁路供电，零切换时间；
High-power static bypass switch, overload automatically switch to bypass when the power supply, zero switching time;
第一阶段，采用大功率（1000瓦左右）将烹饪容器底部加 热至切换温度（130度）；
The said method comprises: a first phase of heating the bottom of the cooking-vessel to switching temperature (130degree) using high power (about 1000 watt);
第一阶段，采用大功率（1000瓦左右）将烹饪容器底部加 热至切换温度（130度）；
The said method comprises: a first phase of heating the bottom of the cooking-vessel to switching temperature (130degree) using high power (about 1000 watt);
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