Micro gas turbine decoupling control method

A micro gas turbine, decoupling control technology, applied in the direction of gas turbine devices, refrigerators, refrigeration components, etc., can solve the problems of large amount of calculation, serious coupling of variables, complex structure and other problems of decoupling method

Active Publication Date: 2016-08-17
SOUTHEAST UNIV
View PDF1 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The MGT-CCHP system is a complex three-input and three-output system. There are complex correlations between multiple variables. The traditional PID control method takes a long time to adjust the process, the overshoot is lar...

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
  • Micro gas turbine decoupling control method
  • Micro gas turbine decoupling control method
  • Micro gas turbine decoupling control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] The present invention proposes a micro gas turbine decoupling control method, such as figure 1 shown. This combined cooling, heating and power system can also provide domestic hot water at 60-80°C and refrigerant water at 7-12°C (for cooling) while outputting electric energy. The control goal is to achieve good tracking of power supply, heating and cooling loads on the user side. (Reference Zhang Junli. Research on Integrated Optimization and Dynamic Operation Law of Micro Gas Turbine Combined Cooling, Heating and Power System [D]. Southeast University, 2015)

[0045] For the simulation model of the MGT-CCHP system composed of an 80kW regenerative micro gas turbine and a 425kW double-effect lithium bromide absorption refrigerator, the structural block diagram of the MGT-CCHP system is as follows figure 1 shown. The invention decomposes the three-input and three-output control structure into two double-input and double-output control structures, so that the three outp...

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 provides a micro gas turbine decoupling control method according to the characteristic that a micro gas turbine cool-heat-electricity cogeneration system can be divided into two subsystems. The pairing mode of the input quantity and the output quantity is accurately judged through an efficacy relative gain matrix, and controller design is carried out on a controlled object though a singular value decomposition decoupling method. The simulation result of coordinated control of a unit plant indicates that based on the efficacy relative gain matrix and comparing the singular value decomposition decoupling control method with a traditional PID control method, the adjustment time can be shortened, coupling is weakened, the overshoot is reduced, and accordingly the system has good dynamic and static characteristics. Compared with general decoupling control methods, the coupling elimination effect is good, calculation is easy, and the method is easy to realize in projects.

Description

technical field [0001] The invention belongs to the field of distributed energy systems, and in particular relates to a decoupling control method for a micro gas turbine. Background technique [0002] Micro Gas Turbine Based Combined Cooling Heating and Power system (hereinafter referred to as MGT-CCHP system) is a representative form of distributed energy. The system is mainly composed of a micro gas turbine and an absorption refrigerator, which simultaneously produce electricity, cold water, and hot water. Among them, the micro gas turbine is used for power supply, and its exhaust gas enters the absorption refrigerator to produce cold water and hot water. [0003] The control research of the MGT-CCHP system starts from three aspects: the micro gas turbine, the double-effect absorption chiller and the integrated system, and studies the dynamic characteristics of the micro gas turbine side, the heating and cooling system side and the whole. The control of gas turbines is r...

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): F02C9/00F25B15/06F25B49/04
CPCF02C9/00F25B15/06F25B49/04Y02A30/27Y02B30/62
Inventor 刘彦翔张帆张俊礼周霞沈炯
Owner SOUTHEAST UNIV
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