三相感应电动机软起动器节能效益对比研究

IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting Pub Date : 1995-10-08 DOI:10.1109/IAS.1995.530323

F. Blaabjerg, J. Pedersen, S. Rise, H. Hansen

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引用次数: 5

摘要

现代软起动器既具有软起动功能，又具有节能功能，在电机低负荷运行时特别有用。本文研究了三种不同功率水平(3kw, 7.5 kW和22kw)的感应电动机的现代软起动器。调查包括效率测量、启动测量和不同负荷下电网电流谐波测量，以研究新法规下软起动器的性能。测量结果与不带软起动器的感应电动机进行了比较。得出了软起动器在小型电机低负荷时的节能效果可达额定功率的4%，但也得出了回收期较长。最后，得出了软起动器在低负荷运行时存在新的电网扰动规则的问题。

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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A comparative study of energy saving benefits in softstarters for three-phase induction motors

Modern soft-starters have both soft-starter capability and energy saving functions which are special useful when the motor runs at low load. This paper investigates modern soft-starters for induction motors at three different power levels (3 kW, 7.5 kW and 22 kW). The investigation includes efficiency measurements, start-up measurements and measurement of the grid current harmonics at different loads to investigate the soft-starters performance against new regulations. The measurements are compared with an induction motor without soft-starters. It is concluded soft-starters have energy saving capabilities at low load up to 4% of rated power for small motors, but it is also concluded the payback time will be long. Finally, it is concluded soft-starters have problems with new grid disturbance regulations at low load operation.

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IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting

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