Title :
Analysis and Evaluation of a High-Voltage AC Amplifier for Electrostatic Suspension
Author :
Han, F.T. ; Wu, Q.P. ; Liu, K. ; Gao, Z.Y.
Author_Institution :
Dept. of Precision Instrum. & Mechanology, Tsinghua Univ., Beijing
Abstract :
High-voltage amplifiers with an output voltage typically in the kilovolts range are widely used for electrostatic force generation in electrostatic suspension. This paper describes a high-voltage AC amplifier using a nanocrystalline soft magnetic alloy-based output transformer in an effort to provide fast dynamic response, low power loss, and excellent thermal stability. An analysis and an equivalent circuit model of the high-voltage transformer are presented for performance evaluation. Simulated and measured results are provided to confirm the validity of the transformer model. The excellent characteristics of the high-voltage AC amplifier were proved experimentally for high-performance operation of electrostatic suspension
Keywords :
electrostatic devices; equivalent circuits; magnetic levitation; power amplifiers; power transformers; soft magnetic materials; dynamic response; electrostatic force generation; electrostatic suspension; equivalent circuit model; high-voltage AC amplifier; high-voltage transformer; low power loss; nanocrystalline soft magnetic alloy; thermal stability; Circuit simulation; Circuit stability; Electrostatic analysis; Equivalent circuits; High power amplifiers; Magnetic analysis; Magnetic levitation; Performance analysis; Soft magnetic materials; Thermal stability; High-voltage amplifier; electrostatic suspension; nanocrystalline soft magnetic core; transformer model;
Conference_Titel :
Power Electronics and Motion Control Conference, 2006. IPEMC 2006. CES/IEEE 5th International
Conference_Location :
Shanghai
Print_ISBN :
1-4244-0448-7
DOI :
10.1109/IPEMC.2006.4778155
