Power and Energy Engineering Conference (PEEC 2010 E-BOOK)

Wuhan,China,9.11-9.13,2010

ISBN: 978-1-935068-17-4 Scientific Research Publishing, USA

E-Book 846pp Pub. Date: October 2010

Category: Engineering

Price: $80

Title: Research on Minimize the Current Transient for Mode-Switching of Dual-mode Inverter
Source: Power and Energy Engineering Conference (PEEC 2010 E-BOOK) (pp 766-769)
Author(s): Xiaohuan Wang, Institute of Electrical Engineering, Yanshan University, Qinhuangdao, China
Chunjiang Zhang, Institute of Electrical Engineering, Yanshan University, Qinhuangdao, China
Abstract: To minimize the impact on power grid and load during the mode-switching of dual-mode inverter, the time-domain analysis on response of power grid current and the load voltage from the transient circuit is proposed. Based on Kirchhoff’s law and characteristics of circuit components, the differential equation for the switching mode is built and the expressions of transient variables are derived. The characteristically relation among the moment of the switching, phase and transient components are researched. According to the relation among variables during the transient process, it is proposed to adopt effective measures to eliminate transient variables to attain the smooth transition of switching process and realize seamless switching. Simulation and experiment results verify the correctness and feasibility of the proposed method.
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