Remote monitoring host of electric energy measuring error caused by impact load
The invention provides a remote monitoring host of an electric energy measuring error caused by impact load. The remote monitoring host of an electric energy measuring error caused by impact load includes a housing and a monitoring circuit in the housing, wherein the monitoring circuit includes a sa...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a remote monitoring host of an electric energy measuring error caused by impact load. The remote monitoring host of an electric energy measuring error caused by impact load includes a housing and a monitoring circuit in the housing, wherein the monitoring circuit includes a sampling circuit and a standard circuit which is connected with the sampling circuit; the sampling circuit includes a sampling resistor which is used for receiving an electric signal; the sampling resistor is connected with the input end of an analog operational circuit; the output end of the analog operational circuit is connected with relays on a plurality of measuring channels; and the analog operational circuit is used to calculate the sampling result, and switching of range is controlled and realized on the relays when the calculation result is greater than a preset range. Therefore, the remote monitoring host of an electric energy measuring error caused by impact load can accurately obtain the parameter value o |
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