Abstract
The digital energy metering system applied in the smart substation are quite different from the traditional meter system, so its nessary to do some research on the digital metering system. With comparing the digital metering systems to traditional metering system, the application structure and characteristics of digital metering system is discussed, the traceability model of the digital electrical energy meter based on IEC 61850 protocol is also given.In the next part,we designed the verification system for digital energy meter, besides the standard digital power source in the test device, calibration device and the general controller are expounded. The performance of the verification system designed in this article shows that the method could be an effective solution to the verification and traceability of digital energy meter.
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