Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Auxiliary service pricing method for energy-storage power station participating in power system frequency modulation

An energy storage system and power system technology, applied in information technology support systems, instruments, business and other directions, can solve the problems of deepening the burden of power grid frequency regulation, prominent power grid frequency regulation problems, and high cost, so as to maximize capacity allocation and reduce storage costs. The effect of being able to invest the cost and ensure the balance of payments

Inactive Publication Date: 2016-12-14
NORTHEAST DIANLI UNIVERSITY +2
View PDF0 Cites 17 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The integration of large-scale wind power into the power system weakens the inertia of the system, increases the frequency regulation burden of the power grid, and seriously affects the frequency stability of the power system; unlike synchronous generators, wind turbines are connected to the power system through four-quadrant converters, and the system frequency The speed phase is decoupled and does not have the ability to respond to system frequency changes, so the problem of frequency regulation in power grids with high wind power penetration is becoming more and more prominent;
[0003] The existing energy storage system is one of the important auxiliary means of frequency regulation. Due to its high cost, its large-scale application is limited. Therefore, it is urgent to provide an auxiliary service pricing method for energy storage power stations to participate in power system frequency regulation to solve the problem that has always been wanted in this field. Technical problems that need to be solved but have not been solved so far

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
  • Auxiliary service pricing method for energy-storage power station participating in power system frequency modulation
  • Auxiliary service pricing method for energy-storage power station participating in power system frequency modulation
  • Auxiliary service pricing method for energy-storage power station participating in power system frequency modulation

Examples

Experimental program
Comparison scheme
Effect test

specific example

[0073] Specific example: The measured data of a wind farm in Northeast China is used for analysis; the wind farm is equipped with 64 sets of G58-850kW double-fed induction wind turbines, and the rated power of the wind farm is P NWF =54.4MW; at this time, the rated power of the energy storage power station is ΔP ESS =4.352MW, rounded to 5MW, unit adjustment power K ESS =21.76MW / Hz; according to the power system frequency modulation time (including primary and secondary frequency modulation) is about 30min, therefore, the energy storage capacity E ESS =5MW×0.5h=2.5MW·h; energy storage system power-frequency characteristics such as figure 1 As shown; the sampling period of wind farm measured frequency data is 1 minute, and the data volume is 525,600, such as figure 2 shown;

[0074] Under the above example environment, the method of the present invention is used to price the annual frequency regulation power of the energy storage power station and its participation in freque...

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 an auxiliary service pricing method for an energy-storage power station participating in power system frequency modulation. The auxiliary service pricing method is characterized by comprising energy-storage-system synchronous-motor-like primary frequency modulation characteristic capacity configuration, energy-storage-system control and auxiliary service pricing determination with the energy-storage power station participating in the power system frequency modulation and the like. The capacity configuration can be maximized, the energy storage investment cost can be reduced, the auxiliary service pricing method is scientific and reasonable, and is high in applicability and good in effect, the energy storage capacity can be configured reasonably, and the balance of payment of the energy-storage power station can be ensured.

Description

technical field [0001] The invention relates to the technical field of new energy power generation, and relates to an auxiliary service pricing method for an energy storage power station participating in power system frequency regulation. Background technique [0002] The integration of large-scale wind power into the power system weakens the inertia of the system, increases the frequency regulation burden of the power grid, and seriously affects the frequency stability of the power system; unlike synchronous generators, wind turbines are connected to the power system through four-quadrant converters, and the system frequency The speed phase is decoupled and does not have the ability to respond to system frequency changes, so the problem of frequency regulation in power grids with high wind power penetration is becoming more and more prominent; [0003] The existing energy storage system is one of the important auxiliary means of frequency regulation. Due to its high cost, i...

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): G06Q30/02G06Q50/06
CPCY04S50/14G06Q30/0283G06Q50/06
Inventor 严干贵高凯葛延峰赵伟哲李军徽
Owner NORTHEAST DIANLI UNIVERSITY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com