Design and control of AC/DC converter for a high speed brushless generator for minimum kVA rating

38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003. Pub Date : 2003-10-12 DOI:10.1109/IAS.2003.1257596

K. Ochije, C. Pollock

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引用次数: 4

Abstract

This paper proposes a control technique for an AC/DC converter and high-speed, single-phase, brushless AC generator topology with a reactive armature winding. An AC-to-DC PWM converter is used with phase angle control to deliver a controlled power factor for a wide speed range while maintaining a low kVA rating of the converter and the generator. The generator is a flux-switching machine, derived from a combination of the inductor alternator and the switched reluctance machine. The electrical characteristics of the generator are determined from open-circuit, short circuit and load tests performed on an experimental generator. A Simulink model is developed for the AC-to-DC PWM converter and the simulated voltage and current waveforms show that the kVA rating of the converter and the generator can be minimised through control of the power factor of the generator. This novel generator is shown to be simple to control and can be used for micro turbine applications and efficient low cost independent power generation. The converter also allows the machine to be used as an integrated starter alternator.

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高速无刷发电机AC/DC变换器的设计与控制

本文提出了一种基于无功电枢绕组的AC/DC变换器和高速单相无刷交流发电机拓扑的控制技术。交流-直流PWM转换器与相角控制一起使用，在保持转换器和发电机的低kVA额定值的同时，为宽速度范围提供受控的功率因数。发电机是一种磁通开关机，由电感交流发电机和开关磁阻机组合而成。发电机的电气特性是由在实验发电机上进行的开路、短路和负载测试确定的。建立了交流-直流PWM变换器的Simulink模型，模拟的电压和电流波形表明，通过控制发电机的功率因数可以使变换器和发电机的kVA额定值最小化。该新型发电机控制简单，可用于微型涡轮应用和高效低成本的独立发电。转换器也允许机器被用作一个集成的起动交流发电机。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.

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