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Output voltage control of a four-leg inverter based three-phase UPS by means of stationary frame resonant filter banks
Date
2007-05-05
Author
Demirkutlu, Eyyup
Cetinkaya, Sueleyman
Hava, Ahmet Masum
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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A method for high performance output voltage control of a four-leg inverter (FLI) based three-phase UPS is proposed. Stationary frame resonant filter bank based output voltage control loop, which is complemented by capacitor current feedback based active damping loop, is employed. Utilizing the zero-state partitioning variable, a generalized form of scalar PWM for the FLI is developed and the minimum loss discontinuous PWM method is derived. The controller and modulator design and implementation details for the FLI-UPS are given. Linear and nonlinear loads for balanced and unbalanced load operating conditions are considered. The scalar control and PWM methods are proven by means of theory, simulations, and experiments.
Subject Keywords
Efficiency
,
Xwitching loss
,
UPS
,
Voltage regulation
,
Unbalance
,
Zero-sequence
,
Harmonic
,
THD
,
Crest factor
,
Resonant filter
,
Active damping
,
Scalar PWM
,
Zero-state partitioning
URI
https://hdl.handle.net/11511/38045
DOI
https://doi.org/10.1109/iemdc.2007.382785
Collections
Department of Electrical and Electronics Engineering, Conference / Seminar
Citation Formats
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BibTeX
E. Demirkutlu, S. Cetinkaya, and A. M. Hava, “Output voltage control of a four-leg inverter based three-phase UPS by means of stationary frame resonant filter banks,” 2007, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/38045.