The Effects of Induction Motor Parameters on its Low Voltage Ride through Capability

Xi Nian Li; Yan Wen Wang

doi:10.4028/www.scientific.net/AMM.401-403.395

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 401-403The Effects of Induction Motor Parameters on its...

The Effects of Induction Motor Parameters on its Low Voltage Ride through Capability

Abstract:

The induction motor (IM) is important equipment among industries. When voltage sag occurs, both the protective device like reclosure mounted in high voltage transmission and distribution lines and the terminal undervoltage tripping of contactor will make the IM disconnect away from the utility, with its terminal voltage changed from voltage sag to interruption. The IM will continue to operate because of inertia. The first-order dynamic model between slip, load torque and terminal voltage is set up based on IM steady-state equivalent circuit. And the universal analytic functions of slip and critical time are deduced from the model which can be used to evaluate the IM low voltage ride through (LVRT) capability, thus providing reference for the designation of IM.

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Periodical:

Applied Mechanics and Materials (Volumes 401-403)

Pages:

395-399

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.401-403.395

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Online since:

September 2013

Authors:

Xi Nian Li, Yan Wen Wang

Keywords:

Critical Time, Induction Motor (IM), Low Voltage Ride through (LVRT), Voltage Interruption, Voltage Sag

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