一种稳定单相电子自耦变压器

IECON'99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.99CH37029) Pub Date : 1999-11-29 DOI:10.1109/IECON.1999.822200

E. Trabach, P.F.S. Amaral, D. Simonetti, J.L.F. Vieira

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引用次数: 14

摘要

本文提出了一种改进开关特性的单相稳压自耦变压器。它采用四步PWM开关策略中的双向开关来换向感性负载电流。采用了低成本的微控制器，简化了控制电路，具有鲁棒性和可靠性。建立了一个工作频率为600 -220 V/110 V的样机，并给出了实验结果，验证了交流控制器的工作原理。

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A stabilized single phase electronic autotransformer

A stabilized single-phase electronic step-down autotransformer with improved switching characteristics is presented in this paper. It employs bi-directional switches in a four step PWM switching strategy for commutating inductive load currents. A low cost microcontroller is employed simplifying the control circuitry, giving robustness and reliability. A 600 VA-220 V/110 V prototype operating at 18 kHz has been built, and experimental results are presented validating the AC controller operation.

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来源期刊

IECON'99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.99CH37029)

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