Sewell, H I, Stone, D A and Bingham, Chris
(2004)
A describing function for resonantly commutated H-bridge inverters.
IEEE TRANSACTIONS ON POWER ELECTRONICS, 19
(4).
pp. 1010-1021.
ISSN 0885-8993
Full content URL: http://dx.doi.org/10.1109/TPEL.2004.830081
| A describing function for resonantly commutated H-bridge inverters | | Abstract—The paper presents the derivation of a describing function to model the dynamic behavior of a metal oxide semiconductor field effect transistor-based, capacitively commutated H-bridge, including a comprehensive explanation of the various stages in the switching cycle. Expressions to model the resulting input current, are also given. The derived model allows the inverter to be accurately modeled within a control system simulation over a number of utility input voltage cycles, without resorting to computationally
intensive switching-cycle level, time-domain SPICE simulations. Experimental measurements from a prototype H-bridge inverter employed in an induction heating application, are used to demonstrate a high degree of prediction accuracy over a large variation of load conditions is possible using the simplified model. | | ![[img]](http://eprints.lincoln.ac.uk/style/images/fileicons/application_pdf.png)
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| Item Type: | Article |
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| Item Status: | Live Archive |
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Abstract
Abstract—The paper presents the derivation of a describing function to model the dynamic behavior of a metal oxide semiconductor field effect transistor-based, capacitively commutated H-bridge, including a comprehensive explanation of the various stages in the switching cycle. Expressions to model the resulting input current, are also given. The derived model allows the inverter to be accurately modeled within a control system simulation over a number of utility input voltage cycles, without resorting to computationally
intensive switching-cycle level, time-domain SPICE simulations. Experimental measurements from a prototype H-bridge inverter employed in an induction heating application, are used to demonstrate a high degree of prediction accuracy over a large variation of load conditions is possible using the simplified model.
| Additional Information: | Abstract—The paper presents the derivation of a describing function to model the dynamic behavior of a metal oxide semiconductor field effect transistor-based, capacitively commutated H-bridge, including a comprehensive explanation of the various stages in the switching cycle. Expressions to model the resulting input current, are also given. The derived model allows the inverter to be accurately modeled within a control system simulation over a number of utility input voltage cycles, without resorting to computationally
intensive switching-cycle level, time-domain SPICE simulations. Experimental measurements from a prototype H-bridge inverter employed in an induction heating application, are used to demonstrate a high degree of prediction accuracy over a large variation of load conditions is possible using the simplified model. |
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| Keywords: | MOSFET, describing function, Power electronic energy converters |
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| Subjects: | H Engineering > H610 Electronic Engineering |
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| Divisions: | College of Science > School of Engineering |
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| ID Code: | 2354 |
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| Deposited On: | 25 Apr 2010 21:26 |
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