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Content Provider | IEEE Xplore Digital Library |
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Author | Nittayarumphong, S. Bisogno, F. Radecker, M. Knoll, A. Carazo, A.V. Riedlhammer, A. |
Copyright Year | 2005 |
Description | Author affiliation: Frauhofer-Institut fur Autonome Intelligence Syst. (Nittayarumphong, S.; Bisogno, F.; Radecker, M.; Knoll, A.) |
Abstract | The target of a power converter controller using a piezoelectric transformer (PT) designed as a resonant circuit, as in half-bridge or class-E topology is to maintain constant output voltage or current and to achieve the ZVS (zero-voltage-switching) condition over the operation range. In the presented class-E application, the design of the closed-loop feedback is achieved for 0-3 Watts at 6 V/DC output with a varied output load between 12 Omega-1.2 kOmega, at input voltage range of 85-260 V/AC using different PT samples, at switching frequency range of 145 to 180 kHz, with the concept of PI control. The transient responses of the controller are presented with the jump of load and input voltage. In addition, the transfer function of class-E from original 4th order transfer function is linearized to be 1st order linear function as a function of the output current from the switching frequency and the varied input voltage. The Laplace transformation of the class-E converter with feed back PI control is analyzed using a linear model method. The stability condition of the closed loop control is analyzed with the Routh-Hurwitz stability criterion method |
File Size | 2874928 |
File Format | |
ISBN | 9075815093 |
DOI | 10.1109/EPE.2005.219679 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2005-09-11 |
Publisher Place | Germany |
Access Restriction | Subscribed |
Rights Holder | EPE Association |
Subject Keyword | Converter circuit Transfer functions RLC circuits ZVS converters Stability analysis Power supply Voltage control Resonant Converter Circuit topology Switching frequency Stability criteria Pi control Transformers Resonance Regulation |
Content Type | Text |
Resource Type | Article |
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