Electric power overhead insulation line grounding ring verification device
The invention discloses a verification device for a grounding ring of an electric power overhead insulated line. The verification device comprises a shell, and a control module, a power supply module and an output module which are assembled in the shell, the control module comprises a processor, a c...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a verification device for a grounding ring of an electric power overhead insulated line. The verification device comprises a shell, and a control module, a power supply module and an output module which are assembled in the shell, the control module comprises a processor, a constant-current control circuit, a constant-current source, a current sampling module and an analog-to-digital conversion module, the power supply module comprises an electric quantity sampling circuit and a lithium battery, the output end of the processor is connected with the input end of the constant-current control circuit, and the output end of the constant-current control circuit is connected with the constant-current source. The output end of the constant current source is connected with the input end of the current sampling module, the current sampling module is provided with three output interfaces, and the output end of the current sampling module is connected to the processor through the analog-to-digita |
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