Scheduling method and system for AC/DC hybrid distribution network with power electronic transformers

An AC-DC hybrid and power electronics technology, applied in the direction of AC networks with the same frequency from different sources, can solve the problem that the dispatching scheme is not optimal, achieve the effect of improving power interaction capability, realizing efficient utilization, and improving operating efficiency

Active Publication Date: 2022-07-22
CHINA ELECTRIC POWER RES INST +3
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem in the prior art that the scheduling scheme of the AC-DC hybrid distribution network containing power electronic transformers is not optimal, the present invention provides a scheduling method and system for AC-DC hybrid distribution networks containing power electronic transformers, Firstly, the AC-DC coupling distribution network including power electronic transformers is constructed, and then the decoupling and coordination control of coupling variables and local variables is carried out by using the decomposition optimization algorithm. The active output of distributed power in the power grid, so as to realize the complementary optimization of the AC-DC hybrid distribution network

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Scheduling method and system for AC/DC hybrid distribution network with power electronic transformers
  • Scheduling method and system for AC/DC hybrid distribution network with power electronic transformers
  • Scheduling method and system for AC/DC hybrid distribution network with power electronic transformers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] like figure 1 As shown, it is a flowchart of a scheduling method for an AC / DC hybrid distribution network with power electronic transformers provided by the present invention, including:

[0080] Step S1, obtaining operating parameters of an AC / DC hybrid distribution network including a power electronic transformer;

[0081] Step S2, based on the operating parameters and the pre-built coupling optimization model, obtain the active power output of the distributed power source in the AC network and the active power output of the PET port of the power electronic transformer;

[0082] Step S3, scheduling the AC / DC hybrid power distribution network based on the active power output of the distributed power source in the AC network and the active power output of the PET port of the power electronic transformer.

[0083] like figure 2As shown, the detailed flow chart of the method for optimizing the AC / DC hybrid distribution network with power electronic transformers provide...

Embodiment 2

[0160] Based on the same inventive concept, the present invention also provides a dispatching system for an AC / DC hybrid distribution network including a power electronic transformer, including:

[0161] an acquisition module, used to acquire the operating parameters of the AC / DC hybrid distribution network including the power electronic transformer;

[0162] a solving module for obtaining the active power output of the distributed power supply in the AC network and the active power output of the PET port of the power electronic transformer based on the operating parameters and the pre-built coupling optimization model;

[0163] The scheduling module is used for scheduling the AC-DC hybrid distribution network based on the active power output of the distributed power source in the AC network and the active power output of the PET port of the power electronic transformer.

[0164] In an embodiment, the system further includes a building module for building a coupling optimizati...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The present invention provides a method and system for dispatching an AC / DC hybrid distribution network including a power electronic transformer, including: acquiring operating parameters of the AC / DC hybrid distribution network including a power electronic transformer; A coupling optimization model is used to obtain the active power output of the distributed power source in the AC network and the active power output of the PET port of the power electronic transformer; based on the active power output of the distributed power source in the AC network and the active power output of the power electronic transformer PET port Hybrid distribution network for dispatching. The invention realizes the full consumption and efficient utilization of renewable energy; brings into play the flexible regulation ability of PET, realizes the mutual coordination and complementary optimization of AC and DC networks, and improves the power interaction ability of controllable distributed energy resources between regions.

Description

technical field [0001] The invention relates to the field of coordination and optimization of an AC / DC hybrid distribution network, in particular to a scheduling method and system for an AC / DC hybrid distribution network including a power electronic transformer. Background technique [0002] With the approach of the energy crisis, power generation through renewable energy has become a trend. How to connect high-penetration distributed generation composed of renewable energy to the distribution network requires AC and DC based on Power Electronic Transformer (PET). Hybrid distribution network, AC / DC hybrid distribution network provides new means and methods for flexible access and effective regulation of distributed renewable energy. Power electronic transformers integrating power electronic conversion technology and high-frequency transformer technology have regional Features such as coordination, AC-DC hybrid and multi-directional power flow can increase the power exchange ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/06
Inventor 蒲天骄李烨董雷张涛陈乃仕王新迎张晨乔骥李时光柳丹袁晓冬
Owner CHINA ELECTRIC POWER RES INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap