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Based on particle swarm optimization and control theory ADRC D-STATCOM control system

Author: XueYanHong
Tutor: LuZiGuang
School: Guangxi University
Course: Control Theory and Control Engineering
Keywords: Distribution Static Synchronous Compensator Particle Swarm Optimization ADRC
CLC: TM761.1
Type: Master's thesis
Year: 2011
Downloads: 73
Quote: 0
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Abstract


Distribution Static Synchronous Compensator (D-STATCOM) because it can effectively compensate reactive power, stable distribution grid voltage, reactive power compensation and harmonic control on the good performance , has been widely used, its controller research is one of the industry's research focus . This article is mainly based on Particle Swarm Optimization (PSO) algorithm and disturbance rejection control (ADRC) theory of its control system design. For voltage source D-STATCOM, to reactive current compensation and DC voltage stability as the control objectives , the design of the DC voltage loop - Dual AC current inner loop control system . First, the voltage regulator and current regulator are made with anti- windup and limiting aspects of the PI controller structure , its controller parameters using the PSO algorithm for optimization . To compare the disturbance rejection control algorithms and control PI control method effect on ADRC control theory to analyze , in a typical non-linear second-order ADRC algorithm , based on the design can be simplified , reducing the need to adjust the tuning parameters , be used in voltage loop controller design. Secondly, in the MATLAB / Simulink established under the overall system simulation model , the use of simulation to control the effect of the two controllers for authentication. The results show that based on PSO_PI controller and ADRC controller D-STATCOM control system can achieve effective compensation of reactive current and DC voltage stabilization purposes , and the system has better anti-interference ability and fast dynamic response speed. In comparison, the system controller based on the ADRC DC voltage stability and the dynamic response capabilities are slightly better. Finally, this paper also dSPACE real-time simulation laboratory platform for real-time control experiments . Experimental results show that the ADRC controller based on D-STATCOM control system has good stability of reactive power compensation current and DC voltage capability , strong robustness .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation > Automatically adjusts > Automatic adjustment of voltage and reactive power
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