Investigations on the Role of Distribution Static Compensator in Distribution Networks Under Fault Condition

Issue: Vol.8 No.1

Authors:

Amrinder Kaur (Manav Rachna International University, Faridabad)

Leena G. (Manav Rachna International University, Faridabad)

Keywords: Distribution Static Compensator (DSTATCOM), power quality, voltage source converter (VSC), Harmonics, Unsymmetrical fault.

Abstract:

Power quality problem is an occurrence related to nonstandard voltage, current or frequency that results in a failure or a disoperation of end user equipments in power system. Nowadays in electrical distribution system, there has been a sudden increase of nonlinear loads, such as power supplies,rectifier equipment used in communication networks, domestic appliances, adjustable speed drives etc. With power quality problem utility distribution networks, industrial loads, sensitive loads etc. are suffered. As the power systems is restructured and with shifting trend towards distributed and dispersed generation, the issue of power quality is going to take newer dimensions. A number of power quality solutions are provided by Custom power devices like Active and passive filters, capacitors as compensators. The fast response of the Distribution Static Compensator (DSTATCOM) makes it the efficient solution for improving power quality in distribution systems. DSTATCOM can use with different types of controllers. The performance of a distribution network with DSTATCOM and PI controller is studied in this paper under different abnormal conditions like single line to ground fault, double line to ground fault and triple line to ground faults with static linear load.

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