Journal of Shanghai Jiao Tong University (Science) ›› 2019, Vol. 24 ›› Issue (1): 86-93.doi: 10.1007/s12204-018-2015-9
WANG Guoliang *(王国良), DING Baocang (丁宝苍), YAN Weiwu (阎威武)
出版日期:
2019-02-28
发布日期:
2019-01-28
通讯作者:
WANG Guoliang *(王国良)
E-mail:glwang@sues.edu.cn
WANG Guoliang *(王国良), DING Baocang (丁宝苍), YAN Weiwu (阎威武)
Online:
2019-02-28
Published:
2019-01-28
Contact:
WANG Guoliang *(王国良)
E-mail:glwang@sues.edu.cn
摘要: Ultra-supercritical (USC) coal-fired unit is more and more popular in these years for its advantages. But the control of USC unit is a difficult issue for its characteristic of nonlinearity, large dead time and coupling among inputs and outputs. In this paper, model predictive control (MPC) method based on multi-model and double layered optimization is introduced for coordinated control of USC unit running in sliding pressure mode and fixed pressure mode. Three inputs (i.e. valve opening, coal flow and feedwater flow) are employed to control three outputs (i.e. output power, main steam temperature and main steam pressure). The step responses for the dynamic matrix control (DMC) are constructed using the three inputs by the three outputs under both pressure control mode. Piecewise models are built at selected operation points. In simulation, the output power follows load demand quickly and main steam temperature can be controlled around the setpoint closely in load tracking control. The simulation results show the effectiveness of the proposed methods.
中图分类号:
WANG Guoliang *(王国良), DING Baocang (丁宝苍), YAN Weiwu (阎威武). Steam Pressure Control of 1 000MW Ultra-Supercritical Coal-Fired Power Unit Based on Multi-Model Predictive Control[J]. Journal of Shanghai Jiao Tong University (Science), 2019, 24(1): 86-93.
WANG Guoliang *(王国良), DING Baocang (丁宝苍), YAN Weiwu (阎威武). Steam Pressure Control of 1 000MW Ultra-Supercritical Coal-Fired Power Unit Based on Multi-Model Predictive Control[J]. Journal of Shanghai Jiao Tong University (Science), 2019, 24(1): 86-93.
[1] | FRANCO A, DIAZ A R. The future challenges for“clean coal technologies”: Joining efficiency increaseand pollutant emission control [J]. Energy, 2009, 34(3):348-354. |
[2] | YU F X, CHEN J N, SUN F, et al. Trend of technologyinnovation in China’s coal-fired electricity industry underresource and environmental constraints [J]. EnergyPolicy, 2011, 39(3): 1586-1599. |
[3] | PAN F P, CHEN S H, CHEN R M, et al. Automaticpower plant startup and shutdown system (APS) technologyand aplication [M]. Beijing: Science Press, 2011(in Chinese). |
[4] | MAFFEZZONI C. Boiler-turbine dynamics in powerplantcontrol [J]. Control Engineering Practice, 1997,5(3): 301-312. |
[5] | TAN W, FANG F, TIAN L, et al. Linear control ofa boiler-turbine unit: Analysis and design [J]. ISATransactions, 2008, 47(2): 189-197. |
[6] | CUTLER C R, RAMAKER B L. Dynamic matrix control:A computer control algorithm [C]//Joint AutomaticControl Conference. San Francisco, CA, USA:IEEE, 1980: WP5-B. |
[7] | RICHALET J, RAULT A, TESTUD J L, et al. Algorithmiccontrol of industrial processes [C]//Proceedingsof the 4th IFAC Symposium on Identification and SystemParameter Estimation. Tbilisi, Georgia: IFAC,1976, 1119-1167. |
[8] | QIN S J, BADGWELL T A. A survey of industrialmodel predictive control technology [J]. Control EngineeringPractice, 2003, 11(7): 733-764. |
[9] | NAKAMURA H, AKAIKE H. Statistical identificationfor optimal control of supercritical thermal powerplants [J]. Automatica, 1981, 17(1): 143-155. |
[10] | MORTENSEN J H, MOELBAK T, ANDERSEN P, etal. Optimization of boiler control to improve the loadfollowingcapability of power-plant units [J]. ControlEngineering Practice, 1998, 6(12): 1531-1539. |
[11] | GIBBS B P, WEBER D S, PORTER D W. Applicationof nonlinear model-based predictive control tofossil power plants [C]//Proceeding of the 30th IEEEConference on Decision and Control. Brighton, UK:IEEE, 1991: 1850-1856. |
[12] | LU S, HOGG B W. Predictive co-ordinated controlfor power-plant steam pressure and power output [J].Control Engineering Practice, 1997, 5(1): 79-84. |
[13] | MOON U C, LEE K Y. Step-response model developmentfor dynamic matrix control of a drum-typeboiler-turbine system [J]. IEEE Transactions on EnergyConversion, 2009, 24(2): 423-430. |
[14] | LEE K Y, VAN SICKEL J H, HOFFMAN J A, etal. Controller design for a large-scale ultrasupercriticalonce-through boiler power plant [J]. IEEE TransactionsOn Energy Conversion, 2010, 25(4): 1063-1070. |
[15] | MOON U C, KIM W. Temperature control of ultrasupercriticalonce-through boiler-turbine system usingmulti-input multi-output dynamic matrix control [J].Journal of Electrical Engineering & Technology, 2011,6(3): 423-430. |
[16] | YAN S, ZENG D L, LIU J Z, et al. A simplifiednon-linear model of a once-through boiler-turbine unitand its application [J]. Proceedings of the CSEE, 2012,32(11): 126-134 (in Chinese). |
[17] | MAFFEZZONI C. Boiler-turbine dynamics in powerplantcontrol [J]. Control Engineering Practice, 1997,5(3): 301-312. |
[18] | HOLMGREN M. X steam for MATLAB [EB/OL].[2018-08-13]. http://www.x-eng.com. |
[19] | VITALIS B P. Constant and sliding-pressure optionsfor new supercritical plants [J]. Power, 2006, 150(1):40-47. |
[1] | ZHANG Xue, CUI Hao, LUO Qianyue, ZHANG Hui . Nonlinear Distributed Model Predictive Control for Multiple Missiles Against Maneuvering Target with a Trajectory Predictor[J]. J Shanghai Jiaotong Univ Sci, 2020, 25(6): 779-789. |
[2] | GONG Zhenghua, SONG Chenwei, LI Gangqiang, CHEN Jianping, XU Zijing, YUAN Jingqi. Model Predictive Control for Steering System of Water-Jet Propulsion[J]. Journal of Shanghai Jiao Tong University (Science), 2020, 25(3): 299-303. |
[3] | TANG Xianlun (唐贤伦), LIU Nianci (刘念慈), WAN Yali (万亚利), GUO Fei (郭飞). Multi-Step Model Predictive Control Based on Online Support Vector Regression Optimized by Multi-Agent Particle Swarm Optimization Algorithm[J]. Journal of Shanghai Jiao Tong University (Science), 2018, 23(5): 607-612. |
[4] | ZHANG Qian* (张茜), LIU Zhiyuan (刘志远). Hierarchical Control Strategy of Trajectory Tracking for Intelligent Vehicle[J]. 上海交通大学学报(英文版), 2017, 22(2): 224-232. |
[5] | ZHANG Yan* (张艳), XU Cheng (徐成). Distributed Model Predictive Control with One-Step Delay Communication for Large-Scale Systems and a Case Study[J]. 上海交通大学学报(英文版), 2014, 19(6): 747-754. |
阅读次数 | ||||||
全文 |
|
|||||
摘要 |
|
|||||