研究目的
To propose a solution for modelling and control a single-phase inverter with LC filter, in power delivering regime, which contains an original procedure for detecting the faults which occur in the inverter and filter operation.
研究成果
The proposed control strategy ensures good control performances and is appropriate for applications in microgrids. It efficiently rejects the effects of disturbances, including certain categories of faults, making it a fault-tolerant solution. The algorithms are suitable for implementation on 32 bit ARM processors and can be integrated into a hierarchical multiprocessor control system for microgrid control and fault detection.
研究不足
The paper does not explicitly mention limitations, but the complexity of implementing the proposed algorithms on 32 bit ARM processors and the need for real-time processing could be considered potential challenges.
1：Experimental Design and Method Selection:
The paper proposes mathematical models for the main system blocks of a microgrid, including DC/DC boost converter and single-phase inverter with LC filter, used as reference models in fault detection.
2：Sample Selection and Data Sources:
The models are based on electronic components' parameters such as voltage source, input capacitance, coil inductance, and output capacitance.
3：List of Experimental Equipment and Materials:
Includes Vin = 200 V – voltage source, Cin = 80 μF – input capacitance, L = 146 μH – coil inductance, C0 = 5 mF – output capacitance.
4：Experimental Procedures and Operational Workflow:
The methodology involves simulating the models in Simulink using electronic components and comparing the responses of the proposed model and the real inverter.
5：Data Analysis Methods:
The paper uses transfer functions and ARX models for analysis, with coefficients determined through neural networks.
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