Electric power measurement monitoring device adopting digital bus multipoint distribution acquisition technology

Abstract

The invention relates to an electric power measurement monitoring device adopting the digital bus multipoint distribution acquisition technology. According to the technical scheme, the electric power measurement monitoring device comprises a monitoring device body, at least two signal acquisition modules and digital buses connected with the signal acquisition modules and the monitoring device body, input ends of the signal acquisition modules are connected with the output end of equipment which a high-voltage electric energy measurement device belongs to through signal cables, digital bus interfaces are arranged at input ends of the signal acquisition modules, and the digital bus interfaces are connected with the input end of the monitoring device body via digital buses. By the arrangement, problems about large quantities of signal acquisition cables of the electric power measurement device, high cost and poor signal precision can be effectively solved; the electric power measurement monitoring device is novel and unique in structure, simple and reasonable, and system cost of the device is greatly lowered; interference rejection capacity of signals is greatly enhanced, attenuation of the signals causes no effect to signal accuracy, and remarkable technology and economical advantages are achieved.

Description

technical field [0001] The invention relates to a high-voltage power supply system, in particular to an electric energy metering and monitoring device using digital bus multi-point distributed acquisition technology. Background technique [0002] Electric energy is the most widely used energy in modern society. As the basis for electricity consumption settlement, electric energy metering devices have always been valued by both power supply and electricity consumers. Therefore, there are electric energy metering devices all over the power lines. Among them, the electric energy metering devices installed in high-voltage substations, high-voltage transmission and distribution stations, and high-voltage power supply system gateways play a key role because they involve the measurement of huge amounts of electricity. How to ensure the accurate and reliable operation of these electric energy metering devices is an important focus of power systems and users. Using a monitoring dev...

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Problems solved by technology

[0006] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide a kind of electric energy metering and monitoring device adopting digital bus multi-point distributed acquisition technology, which can effectively solve the problem of the large number of signal acquisition cables of the electric energy metering device and the high cost. The problem of poor signal accuracy

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