Optimal control of operation efficiency of belt conveyor systems

被引：115
作者：
Zhang, Shirong [2 ]
Xia, Xiaohua [1 ]
机构：
[1] Univ Pretoria, Dept Elect Elect & Comp Engn, ZA-0002 Pretoria, South Africa
[2] Wuhan Univ, Dept Automat, Wuhan 430072, Peoples R China
来源：
APPLIED ENERGY | 2010年 / 87卷 / 06期
关键词：
Belt conveyor system; Operation efficiency; Optimal switching control; Time-of-use tariff; Variable speed drive based optimal control;
D O I：
10.1016/j.apenergy.2010.01.006
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The improvement of the energy efficiency of belt conveyor systems can be achieved at equipment or operation levels. Switching control and variable speed control are proposed in literature to improve energy efficiency of belt conveyors. The current implementations mostly focus on lower level control loops or an individual belt conveyor without operational considerations at the system level. In this paper, an optimal switching control and a variable speed drive (VSD) based optimal control are proposed to improve the energy efficiency of belt conveyor systems at the operational level, where time-of-use (TOU) tariff, ramp rate of belt speed and other system constraints are considered. A coal conveying system in a coal-fired power plant is taken as a case study, where great saving of energy cost is achieved by the two optimal control strategies. Moreover, considerable energy saving resulting from VSD based optimal control is also proved by the case study. (C) 2010 Elsevier Ltd. All rights reserved.
引用
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页码：1929 / 1937
页数：9
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