Meter-source integrated detection device and method used for digitalized electric energy meter detection

Abstract

The invention discloses a meter-source integrated detection device used for digitalized electric energy meter detection. The meter-source integrated detection device comprises an analog / digital signal power source module, an analog / digital standard meter module and a control display module. The analog / digital signal power source module comprises a noise harmonic wave simulation source, a first function value generator, a first D / A converter, a first signal amplifying unit, a first power drive unit, a second function value generator, a second D / A converter, a second signal amplifying unit and a second power drive unit. The analog / digital standard meter module comprises a signal conditioning unit, an A / D converter, a DSP unit, an IEC61850 / FT3 data modulator and an error calculation device. According to the meter-source integrated detection device, the digitalized meter detection standard and an analog power source are integrated, various signal source functions are achieved, and the requirements for debugging and detecting other measurement devices of a digital substation are met.

Description

technical field [0001] The invention relates to the field of electric energy meter detection, in particular to a meter source integrated detection device and detection method for digital electric energy meter detection. Background technique [0002] With the advent of the IEC61850 intelligent substation digital standard and the development of corresponding technologies, digital and networked energy meters were born. Therefore, how to detect digital electric energy meters, how to ensure the reliability of detection, how to conveniently detect electric energy meters, and how to economically inspect electric energy meters have become the concerns of the majority of metering personnel. At present, the detection of digital electric energy meters can only be realized through the corresponding standard meter, that is, the passive device and the power source. When using the virtual power source, the signal is generally generated through the software function of the standard meter it...

AI Technical Summary

Problems solved by technology

At present, the detection of digital electric energy meters can only be realized through the corresponding standard meter, that is, the passive device and the power source. When a virtual power source is used, the signal is generally generated through the software function of the standard meter itself and output directly; and when the real-time signal power is used When the power source is used, it is necessary to configure an analog power source. In order to realize its detection, it is necessary to build a system, which also complicates the detection system.

In addition, the appearance and source device attributes are not clear, and the function confusion has caused many misunderstandings in people's measurement work, and even electrical accidents

[0003] For example, the prior art CN103336264 discloses a digital electric energy meter value traceability system based on analog quantity detection, including: analog electric energy device, analog standard electric energy meter, analog standard power meter, voltage and current conversion message module, standard power calculation and The standard electric energy generation module and three error calculation modules make the value of the digital electric energy meter traceable to the analog measurement standard. However, if an analog power source is configured, the detection standard is difficult to be completely consistent, which increases the cost. At the same time, the detection is complicated

Images