Discrete frequency voltage control method 离散变频调压技术
voltage of automatic frequency control 自动频率控制电压
frequency-voltage emergency control 频率电压紧急控制
voltage-frequency ration control 压频比控制
optimal voltage frequency control 最优压频控制
voltage control frequency 压控频率
frequency and voltage emergency control 频率电压紧急控制
Fuzzy control tests of arc voltage and short-circuit frequency are conducted to improve welding quality.
采用模糊控制技术，实现了电弧电压或短路频率的控制，提高了焊接质量。
Using computer control, man-machine dialogue mode, the completion of the power frequency voltage breakdown of insulation media, power frequency withstand voltage test.
采用计算机控制，过人机对话方式，完成对、绝缘介质的工频电压击穿，工频耐压试验。
It is suitable for control weak voltage current signal in the frequency converter control loop.
主要用于变频器控制回路中微弱电压、电流信号的控制。
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