研究目的
Investigating the development and control of a cost-effective AC voltage stabilizer/converter (ACVS) for domestic and industrial applications to mitigate the effects of random voltage variations in the power supply.
研究成果
The paper introduces a cost-effective AC voltage stabilizer/converter (ACVS) with a novel control strategy. The mathematical model and control design are validated through simulation and experimental studies, demonstrating effective voltage regulation under various disturbances. The LQR controller shows superior performance compared to PI and I controllers in terms of response time and overshoot.
研究不足
The study acknowledges the challenges in designing a controller for the ACVS due to its nonlinear and discontinuous relationship within the system. The experimental validation is limited to specific load types and input voltage conditions.
1：Experimental Design and Method Selection:
The study involves the development of an ACVS based on a controllable autotransformer technology, including the derivation of its nonlinear mathematical model and the design of an optimal control strategy.
2：Sample Selection and Data Sources:
The research utilizes simulation and experimental studies to validate the ACVS model and control strategy, with parameters listed in a table.
3：List of Experimental Equipment and Materials:
Includes a prototype ACVS with ST7FLITE35F2M6 microcontroller, HGTG5N120BND IGBTs from Fairchild, and National Instruments data acquisition system NI PXIe-
4：Experimental Procedures and Operational Workflow:
63 The study involves simulation of the ACVS model in MATLAB/Simulink, comparison of control strategies (LQR, PI, and I controllers), and experimental validation of the prototype.
5：Data Analysis Methods:
The performance of the ACVS is evaluated through simulation and experimental results, focusing on voltage regulation under various load and input voltage conditions.
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