NEUTRAL CURRENT ELIMINATION IN SMART GRIDS BY DECENTRALISED CONTROL TECHNIQUE

NEUTRAL CURRENT ELIMINATION IN SMART GRIDS BY DECENTRALISED CONTROL TECHNIQUE
Author(s):
MANISH MOHANDAS, ARUN SEBASTIN
Keywords:
Distribution static compensator (DSTATCOM), Model predictive controller (MPC), power quality (PQ), and Voltage-source inverter
Abstract
In a three phase four-wire system, load imbalance and associated neutral currents pose major problems such as over-heating of rotating machines, malfunctioning of control equipment and protection relays, overloading of neutral conductor in the distribution system and transformer core saturation. As such the neutral current has to be eliminated for maintaining the system reliability and for power quality improvement. So this work proposes an active decentralized control scheme for neutral current elimination by locally providing the necessary compensation using a solar compensator and thereby to improve system stability. The smart grid modeling and analysis are done by time domain simulations in PSCAD software.
Article Details
Unique Paper ID: 142742 Publication Volume & Issue: Volume 2, Issue 6 Page(s): 330 - 335
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