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Ride-through of adjustable speed drives during voltage dips

机译:电压骤降​​期间可变速驱动器的穿越

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摘要

Adjustable speed drives are reported to be very susceptible to voltage dips. This paper investigates the behaviour of standard induction motor drives in the power range from 2.2 up to 7.5 kW for different types of voltage dips. Voltage tolerance curves are presented and an optimal selection of the under-voltage protection is proposed in order to maintain operation without loss of performance. The opportunities, provided by an active front end and a boost converter, to improve the ride-through of standard drives are investigated and their effect on the voltage tolerance curves is considered.
机译:据报道,变速驱动器非常容易受到电压骤降的影响。本文研究了标准感应电动机驱动器在2.2至7.5 kW功率范围内对于不同类型的电压骤降的行为。给出了电压容差曲线,并提出了欠压保护的最佳选择,以维持运行而不会损失性能。研究了有源前端和升压转换器提供的改善标准驱动器穿越性的机会,并考虑了它们对电压容差曲线的影响。

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