计及线路热惯性效应的模型预测控制安全经济调度模型

doi:10.19595/j.cnki.1000-6753.tces.161764

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Abstract

A power system security economic dispatch model considering transmission line thermal inertia effect was proposed based on model predictive control methodology. Originally, the meteorological parameters along the conductor were predicted with ARMA model, while the line current was predicted with sensitivity matrix under DC power flow network model. Thus, the future conductor temperature was estimated. Then a receding horizon optimization dispatch model in quadratic programming form was constructed, in which the estimated temperature of transmission line was limited by the maximum allowable temperature instead of traditional ampacity. In the end, the real measuring outputs were taken as the feedback information to close the control loop. On one hand, model economy is promoted by transmission line thermal inertia effect; on the other hand, system security is guaranteed by model predictive control. A simulation was carried out to demonstrate the validity of the proposed model.

Key words： Security economic dispatch thermal inertia process model predictive control receding horizon optimization

Received: 10 November 2016 Published: 24 April 2018

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TM734

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	Feng Kai
	Ying Zhanfeng
	Chen Xiong
	Wu Junji
	Zhang Xudong

Cite this article:

Feng Kai,Ying Zhanfeng,Chen Xiong等. Model Predictive Control Security Economic Dispatch Model Considering Transmission Line Thermal Inertia Effect[J]. Transactions of China Electrotechnical Society, 2018, 33(8): 1875-1883.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.161764 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I8/1875

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