Title :
Analysis and comparison of power decoupling circuits for single-phase DC/AC converters
Author :
Jiun-Jang Lin ; Shang-Yao Huang ; Po-Tai Cheng ; Shimizu, Tsuyoshi
Author_Institution :
Center for Adv. Power Technol., Nat. Tsing Hua Univ., Hsinchu, Taiwan
Abstract :
Conventional single phase DC/AC converters require a large amount of electrolytic capacitors to absorb the pulsating power on DC bus. Power decoupling technologies are very effective in reducing the capacitance and hence improve the reliability. This paper introduces three kinds of decoupling circuits, compares their filter capacitor sizing by performing detailed power flow and storage energy analysis. Loss analyses are also performed to estimate the overall efficiency.
Keywords :
DC-AC power convertors; electrolytic capacitors; energy storage; load flow; DC bus; capacitance; decoupling circuits; electrolytic capacitors; filter capacitor sizing; power decoupling technologies; power flow analysis; pulsating power; single phase DC-AC converters; storage energy analysis; Capacitance; Capacitors; Equations; Inductors; Mathematical model; Power generation; Reactive power; DC/AC converter; PV inverters; Power decoupling;
Conference_Titel :
Intelligent Green Building and Smart Grid (IGBSG), 2014 International Conference on
Conference_Location :
Taipei
DOI :
10.1109/IGBSG.2014.6835218