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Power balance device, system and control method thereof

A technology of power balance and control method, which is applied in the direction of information technology support system, reduction/prevention of power oscillation, integration of power network operating system, etc., can solve the problem of low utilization rate of equipment, improve stability limit and transmission capacity, and suppress low frequency Oscillation, the effect of saving project cost

Active Publication Date: 2022-07-22
NR ELECTRIC CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under normal circumstances, in order to reduce the loss, the electronic load is locked or out of service, so the utilization rate of the equipment is not high

Method used

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  • Power balance device, system and control method thereof
  • Power balance device, system and control method thereof
  • Power balance device, system and control method thereof

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Embodiment Construction

[0028] In order to make the purposes, technical solutions and advantages of the embodiments of the present application more clear, the specific implementations of the technical solutions of the present application will be described in more detail and clarity below with reference to the accompanying drawings and embodiments. However, the specific embodiments and examples described below are for illustrative purposes only and are not intended to limit the present application. It only includes a part of the embodiments of the present application, rather than all of the embodiments, and other embodiments obtained by those skilled in the art from various changes of the present application fall within the protection scope of the present application.

[0029] figure 1 It is a schematic diagram of a series structure of a power balance device provided by an embodiment of the present application.

[0030] like figure 1 As shown, the power balancing device includes a resistive load uni...

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Abstract

The present application provides a power balancing device, a system and a control method thereof. The power balancing device includes a resistive load unit, an inductive load unit, and a power switch unit, the resistive load unit includes a parallel-connected resistive load and a resistive load bypass switch; the inductive load unit includes a parallel-connected reactance The power switch unit is connected in series with the resistive load unit and the inductive load unit.

Description

technical field [0001] The present application relates to the technical field of power systems and power electronics, and in particular, to a power balance device, a system, and a control method thereof. Background technique [0002] Electric energy is produced in real time and consumed in real time, and cannot be stored on a large scale. Under normal circumstances, the electric energy produced by the generator and the electric energy consumed by the load in the power system balance each other, and the characteristic parameters such as the frequency, voltage and phase angle of the power grid remain stable. The generator has a certain adjustment ability. When the load changes, the generator can achieve a new equilibrium state by adjusting the terminal voltage and adjusting the excitation. [0003] However, when the degree of load loss in the power grid exceeds the adjustment capacity of the generator, the power angle of the generator will be unbalanced, resulting in an incre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/14H02J3/16H02J3/24
CPCH02J3/14H02J3/16H02J3/24Y02E40/30
Inventor 陈辉李成博张磊黄鑫周启文
Owner NR ELECTRIC CO LTD