Tuesday, 05 Dec, 2023




DC Bus Voltage Clamp Method to Protect Over-Voltage & Insulation Failures in Adjustable Speed Drives

International Journal of Emerging Trends in Science and Technology

Volume 1 Issue 1

Published: 2014
Author(s) Name: K. Madhavan, M. Maheswari | Author(s) Affiliation: Hindustan University, Padur, Chennai, Tamil Nadu, India
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This project investigates the effect of PWM switching and long cable length on the voltage insulation components inside an adjustable speed drive (ASD). This project shows that high potential voltage insulation issue may exist on various components inside the ASD and cause earlier failures under very long cable or multiple drive conditions. A system model to describe this phenomenon is described in the project. A dc bus voltage clamp circuit is proposed to reduce these voltage stresses. The effectiveness of this circuit is verified by both simulation and experimental results.

Keywords: N. A.

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