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Investigation on D-STATCOM and DVR Operation for Voltage Control in Distribution Networks with a New Control Strategy

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4 Author(s)
Hojat Hatami ; MSc student, Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz 51666-16471, Iran. e-mail: hojat ; Farhad Shahnia ; Afshin Pashaei ; S. H. Hosseini

This paper addresses the issue of modeling and analysis of custom power controllers, power electronic-based equipment aimed at enhancing the reliability and quality of power flows in low voltage distribution networks. A new PWM-based control scheme has been proposed that only requires voltage measurements and no reactive power measurements are required. The operation of the proposed control method is presented for D-STATCOM and DVR. Simulations and analysis are carried out in PSCAD/EMTDC with this control method for two proposed systems. The reliability and robustness of the control scheme in the system response to the voltage disturbances due to system faults or load variations is obviously proved in the simulation results.

Published in:

Power Tech, 2007 IEEE Lausanne

Date of Conference:

1-5 July 2007