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Energy router for electric energy quality comprehensive control and power optimization, and control method of energy router

A comprehensive management and power quality technology, applied in circuit devices, AC network circuits, reactive power adjustment/elimination/compensation, etc., can solve problems such as the promotion and application of mature products

Active Publication Date: 2018-07-03
SHANDONG POWER EQUIP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a power electronic device, the energy router is currently in the stage of theoretical research and prototype trial production in various countries, and there is no mature product for promotion and application.

Method used

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  • Energy router for electric energy quality comprehensive control and power optimization, and control method of energy router
  • Energy router for electric energy quality comprehensive control and power optimization, and control method of energy router
  • Energy router for electric energy quality comprehensive control and power optimization, and control method of energy router

Examples

Experimental program
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Embodiment Construction

[0067] Such as figure 1 , Figure 6 As shown, the energy router for comprehensive management of power quality and power optimization includes a series transformer 4, a grid-side isolation converter 7, a load-side converter 9, and a function switching switch S i and centralized controller 12;

[0068] The primary side of the series transformer 4 is connected between the grid-side high-voltage AC bus 1 and the load-side low-voltage AC bus 13 of the smart distribution network;

[0069] The grid-side isolated converter 7 is connected to the load-side converter 9 through a low-voltage DC bus 10, and the low-voltage DC bus 10 is connected to a distributed power supply through an energy storage system;

[0070] Such as Figure 7 — Figure 10 shown, the function toggle switch S i Includes power toggle switch S 1 2. Series transformer switching switch S 2 3. Network side series switch S 3 5. Grid-side parallel switch S 4 6. Parallel switch S on the load side 5 11 and series t...

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PUM

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Abstract

An energy router for electric energy quality comprehensive control and power optimization comprises a series transformer, a grid side isolation converter, a load side converter, a function switching switch Si, and a centralized controller. The invention provides a novel low-voltage energy router which integrates a unified electric energy quality controller and a power optimization function and a control method thereof. Through the novel low-voltage energy router arranged between a network-side high-voltage AC bus and a load-side low-voltage AC bus of a smart distribution network, the control method determines the fault condition according to the sampling signal provided by the detecting unit, performs function selection, generates control commands and performs control, and realizes power quality comprehensive management and power optimization functions with minimum hardware cost. The energy router and the control method thereof can be widely used in factories, businesses, homes and schools.

Description

technical field [0001] The invention belongs to the technical field of power electronics, and specifically relates to a new low-voltage power quality controller (UPQC, Universal Power Quality Controller) and an energy router that integrates the functions of an intelligent distribution network for comprehensive management of power quality and power optimization. Energy router and control method thereof. Background technique [0002] In order to meet the user's requirements for power supply reliability and power quality, and to meet the large-scale application of distributed power sources, the functions of the traditional distribution network need to be improved urgently. The smart distribution network is the cornerstone of a strong smart grid. power grid. [0003] The unified power quality controller connects the series converters and parallel converters through the common DC bus, and simultaneously solves the voltage power quality problem of the power supply system and the ...

Claims

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Application Information

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IPC IPC(8): H02J3/18H02J3/12
CPCH02J3/12H02J3/1835Y02E40/30Y02P80/10
Inventor 冯丽娜韩克俊谈翀王永刚仇辉高立东刘汝峰曹兴生时培征焉媛媛邵会朋李象军
Owner SHANDONG POWER EQUIP
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