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A Novel Dynamic Capacitor Compensator/Green Plug Scheme for 3Phase-4 Wire Utilization Loads

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2 Author(s)
A. M Sharaf ; SM-IEEE, Dept. of Electrical and Computer Engineering, University of New Brunswick. ; Roshan Chhetri

The paper presents a novel effective electric energy conservation device for power quality enhancement as well as damping switching-load transients. The modulated power filter and switched capacitor compensator device (MPFC-green plug) is developed by for the 3 phase, 4 wire utilization loads. A novel tri loop dynamic error driven switching controller is also used. Switching transients and sudden phase load imbalances are effectively reduced. The voltage can be stabilized for even severe load unbalances and the AC supply power factor can be greatly improved, hence an enhanced power/energy utilization. The digital model validation study had been done for different cases of balanced and unbalanced nonlinear loads without and with the new (MPFC-green plug) capacitor compensator (patent pending). Digital simulation study covered short circuit faults as well as open circuit conditions. Digital simulation results are compared without and with the use of the new device

Published in:

2006 Canadian Conference on Electrical and Computer Engineering

Date of Conference:

May 2006