Improving grid connected hybrid generation system supervision with sensorless control

被引:9
作者
Boukettaya, Ghada [1 ]
Naifar, Omar [1 ]
机构
[1] Univ Sfax, Natl Sch Engn, Dept Elect Engn,ENIS, Lab Control & Energies Management CEM Lab, Sfax 3038, Tunisia
关键词
SLIDING-MODE CONTROLLER; FIELD-ORIENTED CONTROL; INDUCTION-MOTOR; ROTOR RESISTANCE; PARAMETER-ESTIMATION; ENERGY MANAGEMENT; ADAPTIVE-CONTROL; SPEED CONTROL; OBSERVERS; STATE;
D O I
10.1063/1.4926797
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this paper, speed identification and control problems are simultaneously considered for a micro-grid power generation system (MG-PGS). To eliminate mechanical sensors, an observer has been designed to identify the speed of a wind energy conversion system based on a permanent magnet synchronous machine (PMSM). The proposed observer is an adaptive interconnected structure with online parametric estimation. Moreover, a new control based on the Lyapunov theory has been developed in order to improve sensorless control of a flywheel energy storage system based on induction machine. In fact, the main idea of this control technique is based on an appropriate choice of voltage control values that guaranty the global stability of the controlled system. Simulation results indicate that the sensorless control applied to the MG-PGS improves performances of the global control. The PMSM mechanical speed, the stator resistance, and inductance could be estimated precisely, and the dynamical property of the system is obviously improved. (C) 2015 AIP Publishing LLC.
引用
收藏
页数:18
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