具有成本效益的线路终端网络的IGBT PWM VSI交流电机驱动器

ISIE'2000. Proceedings of the 2000 IEEE International Symposium on Industrial Electronics (Cat. No.00TH8543) Pub Date : 2000-12-04 DOI:10.1109/ISIE.2000.930337

A. Fratta, G. Pellegrino, F. Scapino, F. Villata

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引用次数: 0

摘要

串联线路终端网络(LTN)的全部性能已经通过并联铁氧体铁芯电感器而不是电感功率电阻来实现，这影响了中功率PWM交流电机驱动器的集成度和成本效益。本文提出了一种新颖的LTN设计概念，即IRONET，该概念基于电感铁芯损耗作为所需高频LTN响应的一部分的利用。采用铁芯代替较大的铁氧体铁芯，通过层压厚度和绕组匝数的设计设定合适的涡流密度。分析和讨论了损耗功率电感的有效高频行为，定义了小尺寸的R-C简单补偿。已经实现了一个IRONET原型，并对55 kw额定的IGBT感应电机进行了测试，即使是普通的0.35 mm层压，也显示出IRONET的有效性非常接近全部性能。

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Cost-effective line termination net for IGBT PWM VSI AC motor drives

The full performance of a series line termination net (LTN) has already been achieved by means of parallel ferrite-core inductors and not inductive power resistors, affecting integration and cost-effectiveness in medium-power PWM AC motor drives. A novel LTN design concept is here presented, namely IRONET, based on the exploitation of the inductor core loss as part of the wanted high-frequency LTN response. Iron cores are adopted instead of larger ferrite-core thanks to proper eddy-current density, set by design of lamination thickness and winding turns. The effective high-frequency behaviour of lossy power inductors is analysed and discussed, defining small-size R-C simple compensation. An IRONET prototype has been realised and tested for a 55 kW-rated IGBT induction motor, showing IRONET effectiveness very close to full performance even by common 0.35 mm laminations.

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ISIE'2000. Proceedings of the 2000 IEEE International Symposium on Industrial Electronics (Cat. No.00TH8543)

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