System and method for evaluating accuracy of digital electric energy meter
A digital electric energy meter and evaluation system technology, which is applied in the measurement of electrical variables, measuring devices, instruments, etc., can solve the problems of inability to test or accurately test the reliability of received data and work stability of the digital electric energy meter, so as to improve the accuracy of measurement. high degree of accuracy
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[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0028] figure 1 An embodiment of a digital electric energy meter accuracy evaluation system of the present invention is shown: a digital electric energy meter accuracy evaluation system, comprising:
[0029] Analog standard sources for generating analog voltage and current data;
[0030] The analog standard meter is used to convert the analog voltage and current data generated inside the analog standard source into power pulses, and perform measurement and data display;
[0031] Digital energy meter calibrator, used to send SV data frame message to the meter under test for energy measurement to g...
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