Single-Phase Resonant LC Circuit Using a Bank of Self-Switched Capacitors

被引：7

作者：

Siemaszko, Daniel ^{[1
]}

Rod, Christian ^{[1
]}

Rufer, Alfred C. ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Lab Elect Ind, CH-1015 Lausanne, Switzerland

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2011年 / 58卷 / 09期

关键词：

Regressive method; self-switching device; single-phase alternating circuit; switched capacitors; zero-crossing detection; CONVERTER; INVERTER; DESIGN;

D O I：

10.1109/TIE.2010.2103534

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a preliminary work on the feeding of an ac dipole using a resonant circuit with a varying resonant frequency. A single-phase LC oscillator containing a variable capacitor is fed by a wideband amplifier or a voltage source inverter. For this purpose, a bank of switched capacitors of different values are connected to the main circuit through bidirectional switches. In order to allow zero-current and zero-voltage switchings, the devices are implemented with close-control driver circuits, allowing self-switching based on local polarity measurements. An innovative controller for maintaining the current in an oscillator and a regressive method for measuring alternating current with a limited number of samples are proposed and validated by experiment.

引用

页码：4175 / 4184

页数：10

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