Abstract
This paper intends to enumerate the impact of distributed generation (DG) on distribution system in terms of active as well as reactive power loss reduction and improved voltage stability. The novelty of the method proposed in this paper is the simple and effective way of sizing and siting of DG in a distribution system by using two-port Z-bus parameters. The validity of the method is verified by comparing the results with already published methods. Comparative study presented has shown that the proposed method leads existing methods in terms of its simplicity, undemanding calculation procedures, and less computational efforts and so does the time. The method is implemented on IEEE 69-bus test radial distribution system and results show significant reduction in distribution power losses with improved voltage profile of the system. Simulation is carried out in MATLAB environment for execution of the proposed algorithm.
Highlights
With the development of economy, load demands in distribution networks are sharply increasing
The proposed method for designing distributed generation (DG) to install in distribution system is tested on 69-bus test distribution system and results are verified by comparing with well-known exhaustive load flow solutions and results generated by already published VS&PO package
The proposed method provides an efficient tool for distribution system loss calculation, for loss minimization, and for designing the DG to install in system to attain enhanced voltage stability
Summary
With the development of economy, load demands in distribution networks are sharply increasing. Regulatory framework, and the availability of resources limit distribution network operators (DNOs) and developers in their ability to accommodate distributed generation but governments are incentivizing low carbon technologies, as a means of meeting environmental targets and increasing energy security. This momentum can be harnessed by DNOs to bring network operational benefits through improved voltage profile and lower line losses delivered by investment in DGs [2]. Get both types of losses (active and reactive power losses) in the distribution system
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