Electric energy quality treatment device

Abstract

The invention discloses an electric energy quality treatment device, which comprises a transformer substation power supply circuit, a standby power supply circuit, a step-down transformer and a measurement and control module. The electric energy quality treatment device is provided with a power input end and a power output end, wherein the power input end and the power output end are connected with a transformer substation. The input end of the transformer substation power supply circuit is connected with the power input end; the input end of the transformer substation power supply circuit isconnected with the first output end of the measurement and control module; the output end of the transformer substation power supply circuit is connected with the input end of the measurement and control module; the input end of the standby power supply circuit is electrically connected with the second output end of the measurement and control module; the output end of the transformer substation power supply circuit and the output end of the standby power supply circuit are connected with the high-voltage side of the step-down transformer; and the low-voltage side of the step-down transformeris connected with the output end of the power supply. An effective comprehensive treatment device is provided for regional and large-scale medium-voltage high-capacity electric energy quality, the operation loss of the device can be effectively reduced, and the reaction speed is fast.

Description

technical field [0001] The invention relates to the technical field of power quality control, in particular to a power quality control device. Background technique [0002] With the large-scale development of the industrial economy, more and more large-capacity, high-precision industrial products are used, and their requirements for power grid applications are also getting higher and higher. People pay more and more attention to the power quality problem. The most direct problem caused by the power quality problem is that the normal industrial production is destroyed, which in turn brings huge economic losses. For example: for sensitive users (such as semiconductor manufacturing companies), a voltage sag of tens of milliseconds may cause equipment damage, production line shutdown, and huge economic losses. Now is the golden age of rapid development of my country's industrial economy, power quality is related to the development level and competitiveness of products in the en...

AI Technical Summary

Problems solved by technology

[0003] Existing DVRs are mainly aimed at certain terminal points such as sensitive users on the grid side. Domestic DVR products have a small capacity and are used for low-voltage levels. There is no comprehensive management of regional and large-scale medium-voltage and large-capacity power quality. device

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