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Reactive power compensation device

A compensation device, power factor technology, applied in reactive power compensation, reactive power adjustment/elimination/compensation, circuit devices, etc., can solve problems affecting the power supply capacity of the power grid, power factor drop, system voltage drop, etc.

Inactive Publication Date: 2016-12-14
安徽众升电力科技有限公司
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  • Abstract
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Problems solved by technology

[0006] The invention proposes a reactive power compensation device, which solves the problem that a considerable part of the medium and low voltage distribution network in the prior art is an inductive load, which not only consumes a large amount of active power, but also absorbs a lot of reactive power, so that the power factor decline, resulting in insufficient reactive power supply, system voltage reduction, and increased power loss, which greatly affects the power supply capacity of the grid

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0023] like Figure 1-4 As shown, the reactive power compensation device includes a current transformer and a voltage transformer, the current transformer and the voltage transformer are connected with a phase detection device, and the phase detection device is connected with a controller, and the controller calculates the current transformer and the phase difference value of the voltage transformer to determine the power factor of the phase. The controller is conn...

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Abstract

The invention provides a reactive power compensation device. The reactive power compensation device comprises a current transformer and a voltage transformer; the current transformer and the voltage transformer are connected with a phase detecting device; the phase detecting device is connected with a controller; the controller calculates a phase difference value of the current transformer and the voltage transformer and determines a power factor of the phase; the controller is connected with a power factor display unit and a switching control circuit; and the switching control circuit is connected with a switching capacitor group. The reactive power compensation device can guarantee the power factor of a power device and accordingly can reduce electric energy loss.

Description

technical field [0001] The invention belongs to the technical field of electric power equipment, and in particular relates to a reactive power compensation device. Background technique [0002] At present, with my country's economic development and the intensification of international energy tensions, it is very important to strengthen the impact of power quality and energy saving. Among them, adopting reactive power compensation to improve power factor and reduce are all effective measures. In the power supply system, the improvement of power factor is an important technical work, which is directly related to the power loss of transmission lines, the economy of power supply, and the quality of power supply. The compensation measure of power factor has been paid attention to by people all the time. The development of high-performance power factor compensation devices has practical social and economic benefits. Moreover, in the power system, the reactive power must be kept ...

Claims

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Application Information

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IPC IPC(8): H02J3/18
CPCY02E40/30H02J3/1842
Inventor 孙文传
Owner 安徽众升电力科技有限公司
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