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Control method of energy router for comprehensive management of power quality and power optimization

A comprehensive management and power quality technology, applied in circuit devices, AC network circuits, reactive power adjustment/elimination/compensation, etc., can solve the problem of the promotion and application of mature products, save time in operation and maintenance, and save hardware investment , the effect of small hardware cost

Active Publication Date: 2021-08-24
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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  • Control method of energy router for comprehensive management of power quality and power optimization
  • Control method of energy router for comprehensive management of power quality and power optimization
  • Control method of energy router for comprehensive management of power quality and power optimization

Examples

Experimental program
Comparison scheme
Effect test

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 trans...

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Abstract

An energy router for comprehensive management of power quality and power optimization, including series transformers, grid-side isolation converters, load-side converters, and function switch S i and centralized controller. The present invention provides a novel low-voltage energy router and its control method that integrates a unified power quality controller and power optimization functions. Based on the sampling signal provided by the detection unit, the control method judges the fault situation, performs function selection, generates control instructions and controls them, and realizes the functions of comprehensive management of power quality and power optimization with the minimum hardware cost. Widely used in factories, enterprises, families and schools and other places.

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. A control method for an energy router. 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 cur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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