electronic frequency changer
... electronic Fourier synthesizer 傅里叶函数电子综合器 electronic frequency changer 电子频率变换器 electronic frequency trend relay 电子频率趋势继电器 ...
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在开关频率较低的情况下,大功率PWM变换器的谐波可能会更大,并对电力电子设备造成损坏或产生电磁干扰影响通讯。
The harmonic distortions of the high power PWM converters increase more with low switching frequency, which may destroy the devices used in the system and result in electromagnetic interference (EMI).
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