Tail-end low-voltage compensation device of rural power grid

Abstract

The invention discloses a tail-end low-voltage compensation device at the tail end of a rural power grid, and relates to the technical field of voltage regulation devices. The tail-end low-voltage compensation device comprises a tank, an input-end current acquisition device, an input-end voltage acquisition device, an output-end current acquisition device, an output-end voltage acquisition device and a voltage compensation module. States of switches S1-S3 can be changed under the control of the voltage compensation module according to current and voltage information acquired by the input-end current acquisition device, the input-end voltage acquisition device, the output-end current acquisition device and the output-end voltage acquisition device, and power can be directly supplied for users by the low-voltage power grid or can be supplied for the users after the low-voltage power grid is compensated by the voltage compensation module. The tail-end low-voltage compensation device has the advantages that the problem of excessively low voltages at the tail end of an existing rural power grid can be solved, normal electric power utilization of residents can be guaranteed, good compensation effects can be realized, and the tail-end low-voltage compensation device is simple in structure and convenient to mount and maintain.

Description

technical field [0001] The invention relates to the technical field of voltage regulators, in particular to a low-voltage compensation device at the end of a rural power grid. Background technique [0002] In rural areas of our country, there are generally relatively large areas and low load concentration. The radius of the power supply range of a distribution transformer often exceeds 500 meters or even larger. Moreover, affected by factors such as geographical environment and economic development, problems such as the high frequency of power supply lines being stolen and forced to use aluminum conductors, and the poor operating environment are relatively common. Many rural areas have low power voltage, and some areas have access to households. The voltage is even as low as below 150V, which cannot even meet basic living needs such as lighting and cooking. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a low-v...

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a low-voltage compensation device at the end of the rural power grid. The device can not only solve the problem of low voltage at the end of the rural power grid and ensure the normal use of electricity by residents, but also has good compensation effects, simple structure, and easy installation. easy maintenance

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