Coordinative optimization unit combination method of energy

A unit combination, coordinated optimization technology, applied in wind power generation, single grid parallel feeding arrangement, etc., can solve problems such as uncertain set method, immature unit combination method, and complex solution.

Active Publication Date: 2014-10-29
STATE GRID CORP OF CHINA +2
View PDF2 Cites 38 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Uncertain set method, an uncertain set represented by a random parameter represents the possible output of wind power, which is convenient for modeling but complicated to solve
[0004] Considering that pumped storage is a fast-adjusting flexible power source, suitable

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
  • Coordinative optimization unit combination method of energy
  • Coordinative optimization unit combination method of energy
  • Coordinative optimization unit combination method of energy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Such as Figure 1-5 As shown, the inventive energy coordination and optimization unit combination method of this example, the energy includes wind power, thermal power and pumped storage; the method includes the following steps:

[0071] (1) Determine the confidence interval of wind power output;

[0072] (2) Determine the operating parameters and coal consumption characteristics of thermal power units and the operating parameters and operating characteristics of pumped storage units;

[0073] (3) Determining the objective function and constraint conditions for the combined optimization of wind power, thermal power and pumped storage;

[0074] (4) Determine the mixed integer nonlinear programming problem;

[0075] (5) Determine the start-up and shutdown plan of the unit for the next 24 hours.

[0076] The first step: According to the wind power prediction and measured historical data of the wind farm, the error distribution characteristics statistics are carried out,...

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 invention relates to a coordinative optimization unit combination method of energy. The energy comprises wind power, thermal power and pumped storage energy. The coordinative optimization unit combination method of the energy includes following steps: confirming a wind power output confidence interval; confirming running parameters and coal consumption characteristics of a thermal power generating unit and running parameters and running characteristics of a pumped energy storage unit; confirming combination object functions and constraint conditions of a wind power, thermal power and pumped storage energy joint optimization unit; confirming mixed integer nonlinear programming problems; confirming a starting and stopping plan of the wind power, thermal power and pumped storage energy joint optimization unit in future 24 hours. The coordinative optimization unit combination method of the energy improves unit combination reliability, guarantees that a system has enough regulation ability in real-time running so as to balance power imbalance caused by power fluctuation of wind, promotes consumption and absorption of the wind power, achieves coordinative optimization running of the multivariate energy, and thereby guarantees safety and economical efficiency of running of a power grid.

Description

Technical field: [0001] The invention relates to an energy coordination and optimization unit combination method, and more particularly relates to a wind power, thermal power and pumped storage energy coordination and optimization unit combination method. Background technique: [0002] Recently, environmental problems and the continuous consumption of non-renewable resources have promoted the development of clean energy such as wind power. The uncertainty of large-scale intermittent energy output poses new challenges to the safe and economic operation of the power grid. In order to ensure the safe operation of the power grid and promote the consumption of intermittent energy, the system needs to have sufficient peak-shaving capability to ensure real-time power balance. Traditional unit combinations mostly focus on the joint optimization of two types of power sources, and many studies are based on forecasted wind power to study the complementary mechanism between multiple sou...

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
IPC IPC(8): H02J3/38
CPCY02E10/76
Inventor 刘芳潘毅周京阳李强朱泽磊许丹戴赛崔晖董炜蔡帜韩彬张传成丁强李晓磊张加力
Owner STATE GRID CORP OF CHINA
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