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Research on Coordinating Control Method of SMES Based on DSP

Author: LuYaXin
Tutor: ZhongYanRu；ZhangHui
School: Xi'an University of Technology
Course: Power Electronics and Power Drives
Keywords: SMES Four-quadrant operation Coordinated control strategy SVPWM
CLC: TM762
Type: Master's thesis
Year: 2008
Downloads: 210
Quote: 1
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Abstract


With the continuous development of information technology and modern power electronics technology , the increasingly high demand for power quality , power quality problem has become the biggest concern of the electricity sector and the vast majority of users . In recent years , at home and abroad have developed forms of power quality conditioner device , but most of the power quality adjustment device to work for a certain power quality indicators have been unable to meet the user multi-objective coordinated control requirements , and the superconducting energy storage device , either in real time or in the reliability and so has its natural advantages . Therefore, superconducting magnetic energy storage device is applied to improve the power system performance is one of the modern power electronics technology development direction . The superconducting energy storage (SMES) is a device of the electrical energy stored in the magnetic field generated by the continuous current , it can be fast and efficient with the power system of active and reactive power exchange , a flexible four-quadrant operation ability can effectively improve the performance of the power system . Appropriate coordinated control strategy to control the SMES , we can improve the dynamic response of the power system speed , emergency response to emergencies performance is unmatched by other devices . This paper analyzes the mathematical model of the voltage source type superconducting magnetic energy storage device when the three-phase equilibrium , the working principle of charging and discharging modes ; parameter selection method of the main circuit switch , inductance and capacitance ; system buffer protection circuit analysis and design of control and drive circuits ; -depth study of the voltage source converter based on SVPWM control method and current regulator hysteresis control strategy ; design of a voltage source inverter voltage and current double closed-loop control of the controller , and the design of its anti- integral the saturated PI regulator parameters . To TMS320LF2407A DSP kernel build hardware circuit simulation and experimental validation of the working principle and control strategy of the voltage source type superconducting magnetic energy storage device . The simulation and experimental results verify the feasibility and theoretical analysis of this control scheme designed .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation > Automatic control of electrical equipment
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