Set up the circuit design criterion for the steady - stage deadbeat control to the line current of a three - phase high-power-factor rectifier based on voltage space-vector PWM.
建立了对基于电压空间矢量pwm的三相高功率因数整流器实现电流稳态无差拍控制的设计准则。
The power of this monitoring device is made up of novel switch voltage regulation circuit and linear voltage regulation circuit, the electricity of which is directly supplied by high voltage line.
监测系统采用新颖的开关稳压和线性稳压二级稳压结构电源，直接由高压线负载电流供电。
Setting up a switch each one of arc welding generator, length of line can't exceed 5 meters , the length of line two times can't exceed 30 meters , the circuit is required intactly.
电焊机每台设置一个开关，一次线长度不得超过5米，二次线长度不得超过30米，线路要求完好。进出线端头应压接牢固，并安装可洗防护罩，焊机设置点应防潮、防雨、防砸和专人负责管理。
Setting up a switch each one of arc welding generator, length of line can't exceed 5 meters , the length of line two times can't exceed 30 meters , the circuit is required intactly.
电焊机每台设置一个开关，一次线长度不得超过5米，二次线长度不得超过30米，线路要求完好。进出线端头应压接牢固，并安装可洗防护罩，焊机设置点应防潮、防雨、防砸和专人负责管理。
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