Impact of DG Integration in Distribution System on Voltage Stability and Loss Reduction for Different Loading Conditions

Abstract

One of the modern and important techniques in the electrical distribution systems is to solve the networks problems service availability, high loss, improve system voltage and reliability, these can be resolved by accommodating small scaled de-centralized generating stations in networks, which is known as Distributed Generation (DG).Distributed generation (DG) units placed at the consumer end will minimize electric power losses, improvexreliabilityyand voltage profile in the system. This paper, presents a method to determine the proper size and location of DG in a distribution system to reduce the losses and improve the voltage stability for different loading conditions. The IEEE 33-Bus system is used to simulate in Power WorldsSimulator (PWS) software and theevoltage profile and losses in the system are analyzed. The Simulated result shows that proper placement and sizing of DG will reduce losses in the system and improve voltage profile within the allowable limit and there by improve the voltage stability.