According to the high frequency noise of inverter output frequency display signal, the noise absorbing circuit is designed, the measures of reducing noise are presented.
针对变频器输出频率显示信号中的高频噪声，设计了相应的噪声消除电路，给出了进一步提高系统抗干扰能力的措施。
The paper finds out a formula to estimate the inductance value of current following inverter on the basis of tracking instruction current signal by hysteretic comparison.
从采用滞环比较方式跟踪指令电流信号出发，推导出电流跟踪型逆变器中输出电感值的估算公式。
After switching on, the DR (Drive Ready) -signal on SVT must be active, it indicates the readiness of the inverter.
接通后，在SVT上的DR(驱动准备)-信号必须是被激活的，它表示驱动器准备变绪。
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