Switching value control method for high-voltage frequency converter and control plug-in thereof
A high-voltage frequency converter and switching value control technology, which is applied in the field of measurement and control, can solve problems such as strong interference ability is not strong, and achieve the effects of isolating high-voltage interference, improving anti-interference ability, and high reliability
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[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0024] as attached figure 1 As shown in the figure, a high-voltage frequency converter switching value control method, the high-voltage frequency converter switching value input measurement circuit 1 is set at the input end of the high-voltage frequency converter, the high-voltage frequency converter input switching value signal is collected, and the high-voltage frequency converter input switching value signal is passed through the signal Amplitude reduction-rectification-filtering-isolation processing is connected to logic controller 2; logic controller 2 sends out control instructions after operation processing, and the switching value output control circuit undergoes level conversion-isolation-filtering-relay isolation processing to control Turns on and off the external signal. In the switch value control method of the high-voltage frequency conver...
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