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A Novel Active Filter to Reduce Common Mode Voltage and Its Effects in Electrical Machine System
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| Author(s) |
Abdolreza Esmaeli, Li Sun, Wu Qun |
| Abstract |
Mitigation of the adverse effects of PWM
inverter through active filter technique is discussed in this
paper. A PWM inverter fed ac motor drive system capable
of suppressing all the adverse effects of PWM inverter based
on active cancellation method is developed. An active EMI
filter proposed for this system is characterized by
sophisticated connection of two small separate filters, which
they can mitigate common mode voltages produced by
PWM inverter and can suppress leakage current. As a
result small active filter with ability of reducing of all the
adverse effects is approached. Whole system is modeled and
simulated based on SABER simulator. Simulations are
verified by experimental results, which show the reduction
characteristics of the shaft voltage, bearing current,
common mode current, and leakage current. |
| Download |
| Filename: | T8-202.pdf |
| Filesize: | 189 KB |
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| Type |
Members Only |
| Date |
Last modified 2007-03-08 by System |
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