开关电容升压三相感应电动机驱动的新型预充电方法

2020 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2020-12-16 DOI:10.1109/PEDES49360.2020.9379832

A. Hota, Vivek Agaral

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引用次数: 1

摘要

开关电容(SC)网络支持三相感应电机驱动器(TPIMD)提供改进的相电流THD和电压提升能力。然而，SC的预充电是一个具有挑战性的问题，因为它可能会产生非常高的涌流。针对这一问题，本文提出了一种新的SC预充方法。所提出的方法利用感应电机的绕组电感对SC进行预充电，同时将电流保持在限制范围内。此外，在SC电路中插入了一个低值电感，为现有的基于SC的三相逆变器拓扑结构增加了软开关能力。仿真结果支持各种说法。所提出的方法降低了系统的成本、重量和尺寸，因为它不需要任何额外的预充电电路来运行。

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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Novel Pre-charging Method for a Switched Capacitor Voltage Boosted Three-Phase Induction Motor Drive

Switched capacitor (SC) network supported three-phase induction motor drives (TPIMD) offer improved phase current THD and voltage boosting capability. However, the pre-charging of the SC is a challenging issue as it may draw a very high inrush current. This issue is addressed in this paper by proposing a novel method for SC pre-charging. The proposed method utilizes the winding inductance of the induction motor for pre-charging the SC while keeping the current within the limit. Moreover, a low value inductance is inserted in the SC circuit to add a soft-switching capability to the existing SC-based three-phase inverter topology. Simulation results are presented to support various claims. The proposed method reduces the cost, weight and size of the system as it does not require any extra pre-charging circuit for operation.

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来源期刊

2020 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)

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