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A Robust Capacitance Control Method for Variable Active Capacitor
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DOI：10.1109/TPEL.2024.3405538.png)
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Abstract
En 中文
The active capacitor with variable capacitance control is able to actively and variably mimic the voltage-current characteristics of a physical passive capacitor; however, the existing capacitance control methods cannot achieve accurate capacitance control due to parameter and model errors. This article proposes a capacitance control method for the variable active capacitor with improved accuracy and robustness. It applies an iterative learning controller to realize equivalent capacitances according to given reference values. An 800-V/20-A active capacitor prototype is developed and tested under various dynamic operation conditions and circuit parameter shifts to verify the accuracy and robustness of capacitance control.
Keywords:
Capacitors
Capacitance
Impedance
Voltage control
Power harmonic filters
Topology
Prototypes
Active circuits
capacitance control
converter
variable capacitor
Journal
IF:
6.5
Papers:
1.7W
Citations:
8.3W
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