Electric quantity digital converter based on FPGA and magnetic balance type mutual inductor

Abstract

The invention relates to an electric quantity digital converter based on an FPGA and a magnetic balance type mutual inductor. The digital converter is connected with a power grid, and the digital converter comprises the magnetic balance type mutual inductor and an FPGA chip which are connected with each other. The FPGA chip comprises a detection circuit, a processing circuit and an inhibiting signal output circuit which are connected sequentially. The input end of the detection circuit is connected with the magnetic balance type mutual inductor, the output end of the inhibiting signal output circuit is connected with the magnetic balance type mutual inductor, and the magnetic balance type mutual inductor is connected with the power grid. Compared with the prior art, the electric quantity digital converter based on the FPGA and the magnetic balance type mutual inductor has the advantages that the design is reasonable, the structure is simple, an external AD conversion device does not need to be additionally arranged, and the magnetic balance type mutual inductor and the FPGA control chip are directly connected with each other. Detection precision is effectively improved through the precision and the quick processing capacity of the magnetic balance type mutual inductor and the FPGA control chip.

Description

technical field [0001] The invention relates to a power digital converter, in particular to a power digital converter based on FPGA and a magnetic balance transformer. Background technique [0002] The power grid is a basic industry and public utility related to the lifeline of the national economy. With the progress and development of modern science and technology, the tension of power supply since the last century has been eased. At the same time, various new types of power loads are also developing rapidly. The application of computer technology, communication technology and new power electronics technology in power systems has greatly changed the structure of power loads in modern power systems. Various high-tech components, equipment and technologies, such as various rectification, voltage regulation, frequency conversion devices and household appliances, are widely used. Compared with traditional electromechanical equipment and loads, these electrical loads are more ...

AI Technical Summary

Problems solved by technology

Compared with traditional electromechanical equipment and loads, these electrical loads are more sensitive to electrical disturbances, and their nonlinear, impulsive and unbalanced characteristics have caused serious pollution to power quality.

Images