NDLI: Phasor-Domain Modeling of Resonant Inverters for High-Frequency AC Power Distribution Systems

Content Provider	IEEE Xplore Digital Library
Author	Zhongming Ye Jain, P.K. Sen, P.C.
Copyright Year	1986
Abstract	The circuit modeling and analysis of resonant inverters is complex because the state variables such as inductor currents and capacitor voltages are AC dominant. The phasor dynamic modeling method maps the periodical time-varying state variables into stationary frame for each harmonic of interest. Correspondingly, the circuit is decomposed into two DC subcircuits, the state variables of which are the time-varying Fourier coefficients of the original AC variables. A small-signal model can be derived by applying small perturbation and linearization to the Fourier coefficients. A phasor-domain modeling method is used to investigate the resonant inverters in high-frequency AC power distribution systems. A resonant inverter system with five energy storage elements is modeled and simulated, and compared with switch simulation for both steady state and transients. The phasor model simulation matches the switch model simulation in both steady state and transients, but takes much less computing time. In addition, this model closely relates to the power converter topology in time domain, and therefore, keeps the physical meaning of the state variables. It can be used for high accuracy of modeling, simulation, and circuit analysis and control design. It can be extended to a higher order of resonant topologies including parasitic components. A high-frequency AC system with two pulse-phase-modulation-controlled resonant inverters is modeled and simulated, and the current distribution control is investigated with the phasor model. The model simulation is compared with switch-level simulation and experimental results.
Sponsorship	IEEE Power Electronics Society
Starting Page	911
Ending Page	923
Page Count	13
File Size	1087272
File Format	PDF
ISSN	08858993
Volume Number	24
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system modeling Resonant inverters Power distribution Computational modeling Circuit simulation Switches Circuit analysis Steady-state Circuit topology RLC circuits resonant inverter system High-frequency ac power distribution system modeling phasor-domain pulse phase modulation (PPM) resonant converter
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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