Abstract
In recent years, the rapid boost in energy demand around the globe has put power system in stress. To fulfill the energy demands and confine technical losses, researchers are eager to investigate the diverse impacts of Distributed Generation (DG) on the parameters of distribution network. DG is becoming even more attractive to power producing companies, utilities and consumers due to production of energy near to load centers. Reduction in power losses, better voltage profile and less environmental impact are the benefits of DG. Besides renewable energy resources, conventional energy resources are also a viable option for DG. This research aims to analyze the impact of localized synchronous and induction generators on distributions network. The main objectives are to find optimal type, size and location of DG in distribution network to have better impact on voltage profile and reduction in power losses. Using worldwide recognized software tool ETAP and Kohat road electricity distribution network as a test case. Results depicted that at certain buses, positive impacts on voltage profile were recorded while almost 20% of power losses were decreased when synchronous generator as DG unit was injected in distribution network. Injecting induction generator as DG unit, the results showed increase in power losses due to absorption of reactive power, while improving voltage profile by injecting active power.
Highlights
In electrical power plants the power is generated which fulfill the demand of energy required
This paper focuses on the impact of Distributed Generation (DG) on voltage profile and power losses in a radial test system in which three cases are considered: firstly results are evaluated when no DG unit is injected, secondly and foremost impact of synchronous generator and induction generator as a DG units are evaluated and lastly comparison for optimum type and location of DG is carried out
The results evaluated from other cases will be compared in order to analyze the impact of different type, size and location of DG on voltage profile and power losses
Summary
In electrical power plants the power is generated which fulfill the demand of energy required. The capacity of generation depends on type and size of the generating unit. Capacities of these traditional power plants vary from hundreds of Megawatt to few Gegawatt [1]. These generation power plants of such a large scale are placed far away from load centers. For transmission of power from the generation station to the customer’s premises transmission lines and distribution feeders are used [2], [3]. It is necessary for the utilities to provide standard voltage profile/level to its customers
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