Smart meter and power quality detection method

Abstract

The invention discloses an intelligent electric meter which comprises a collection module, a power quality detection module, a CPU controller, a lock module, a set module, an LED, a communication module, a storage module and a circuit breaker control module. The collection module comprises a voltage mutual inductance conditioning circuit, a current mutual inductance conditioning circuit and an electric energy collection chip. The power quality detection module comprises an A / D conversion module and a DSP analysis module. The input end of the voltage mutual inductance conditioning circuit is connected with voltage signals, the output end of the voltage mutual inductance conditioning circuit is connected with the electric energy collection chip, the input end of the current mutual inductance conditioning circuit is connected with current signals, and the output end of the current mutual inductance conditioning circuit is connected with the electric energy collection chip. According to the intelligent electric meter and a power quality detection method, power quality monitoring is achieved, safety factors of power supply and utilization are improved, improvement of power utilization efficiency of users is facilitated, energy consumption is reduced, cost is saved, and the requirement for an intelligent power grid is met.

Description

technical field [0001] The invention relates to an intelligent electric meter, in particular to an intelligent electric meter with intelligent detection of power quality. Background technique [0002] For a long time, the AC watt-hour meters produced in my country are all inductive mechanical watt-hour meters. However, with the rapid growth of the country's economy, smart meters, as an important part of the smart grid, have been well known. The development of smart meters not only needs to have the metering function of traditional meters, but as an important facility for the construction of smart grids, the development of smart meters has become the basis for the integration of grid functions. Its specific performance expansion is mainly manifested in the following aspects: focusing on information processing, interaction, measurement and communication, more intelligent, humanized control and realization of various functions. It is undeniable that the existing smart meters ...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a smart meter and a power quality detection method to solve the technical problems that the smart meter in the prior art cannot meet the high-precision power calculation requirements and cannot detect the power quality

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