NDLI: Piezoelectric Filter Module Used in Harmonics Elimination for High-Efficiency Piezoelectric Transformer Driving

Content Provider	IEEE Xplore Digital Library
Author	Bin Ju Weiwei Shao Zhihua Feng
Copyright Year	1986
Abstract	Switching driving, such as pulse width modulation, has been used in many power circuits because of its high efficiency. However, given the capacitance of a piezoelectric transformer (PT) for high harmonics in a square waveform, using switching technology directly in a driver circuit is difficult without an inductance linked with the PT. This paper proposes a design of a piezoelectric filter module for eliminating harmonic frequencies in the driving of a PT. Compared with a traditional inductor filter, the performance, cost, and space advantages make the module a wiser choice. The particular design of several PFs fabricated on one piece of piezoelectric plate has future integration potential with the transformer. The third harmonic filtering experiment shows that the module exhibits excellent performance on the elimination of harmonics and improvement of the whole converter's efficiency, making the large inductor for wide-range damping of harmonics unnecessary. Efficiency analyses for a simplified push-pull power amplifier model prove the existence of an optimum output waveform for a tradeoff consideration on the circuit efficiency and driving complexity of a PT. This study offers detailed guidance for the future development of novel converter circuits.
Sponsorship	IEEE Power Electronics Society
Starting Page	524
Ending Page	532
Page Count	9
File Size	1068228
File Format	PDF
ISSN	08858993
Volume Number	31
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2016-01-01
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 harmonic filters Harmonic analysis Filtering Impedance MOSFET Inductors Capacitance push–pull power amplifier (PPPA) High efficiency harmonic analysis piezoelectric filter (PF) piezoelectric transformer (PT) high efficiency
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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