Indirect Voltage Control of a Stand-Alone Inverter
This paper discusses the control of the output voltage of a stand-alone single-phase inverter by directly controlling the output filter capacitor current. Compared to the conventional voltage control scheme, the proposed control approach has the potential of achieving higher bandwidth and hence improved total harmonic distortion (THD) of the output voltage. The proposed method depends on the value of the output filter capacitance. A method to estimate the output filter capacitor based on a rms control loop is also presented. Simulation and experimental results presented validate the proposed scheme.
S. Mukherjee et al., "Indirect Voltage Control of a Stand-Alone Inverter," Proceedings of the 32nd Annual IEEE Applied Power Electronics Conference and Exposition (2017, Tampa, FL), pp. 3451-3455, Institute of Electrical and Electronics Engineers (IEEE), Mar 2017.
The definitive version is available at https://doi.org/10.1109/APEC.2017.7931192
32nd Annual IEEE Applied Power Electronics Conference and Exposition (2017: Mar. 26-30, Tampa, FL)
Electrical and Computer Engineering
Keywords and Phrases
Capacitance; Electric Inverters; Harmonic Distortion; Power Electronics; Voltage Control; Wave Filters; Inverter Control; Nonlinear Load; Proportional Resonant Controllers; Stand-Alone; Total Harmonic Distortion (THD); Controllers; RMS Controller; Stand-Alone Inverter; Capacitors; Inverters; Impedance; Power Harmonic Filters; Resonant Frequency; Electric Current Control; Invertors; Power Capacitors; Power Conversion Harmonics; Power Filters; Rms Controller; Total Harmonic Distortion
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