Passivity-oriented discrete-time voltage controller design for grid-forming inverters
2019 IEEE Energy Conversion Congress and Exposition (ECCE), 2019•ieeexplore.ieee.org
Passivity theory provides a promising approach to guarantee microgrid system stability. If all
converters in the system can be made passive, prevention of electrical resonance can be
achieved. To that end, a passivity-oriented discrete-time voltage controller for grid-forming
inverters is proposed in this-paper. Compared with existing methods, the approach ensures
not only-superior reference tracking performance and load disturbance rejection capability,
but also provides passive output impedance, and therefore, guaranteed stable inverter …
converters in the system can be made passive, prevention of electrical resonance can be
achieved. To that end, a passivity-oriented discrete-time voltage controller for grid-forming
inverters is proposed in this-paper. Compared with existing methods, the approach ensures
not only-superior reference tracking performance and load disturbance rejection capability,
but also provides passive output impedance, and therefore, guaranteed stable inverter …
Passivity theory provides a promising approach to guarantee microgrid system stability. If all converters in the system can be made passive, prevention of electrical resonance can be achieved. To that end, a passivity-oriented discrete-time voltage controller for grid-forming inverters is proposed in this -paper. Compared with existing methods, the approach ensures not only -superior reference tracking performance and load disturbance rejection capability, but also provides passive output impedance, and therefore, guaranteed stable inverter operation under weak grid condition. A comparison study is carried out and the proposed controller design method is validated by hardware-in-the-loop (HIL) experiments.
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