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ISSN:2394-3661 | Crossref DOI | SJIF: 5.138 | PIF: 3.854

International Journal of Engineering and Applied Sciences

(An ISO 9001:2008 Certified Online and Print Journal)

Power Loss Reduction in Radial Distribution Systems by Optimal Capacitor Placement to Distribution Transformers

( Volume 2 Issue 11,November 2015 ) OPEN ACCESS

D.Amaranatha, R. Madhan Mohan, Dr.M.Padma Lalitha


The power loss on distribution transformers can account for a considerable portion of the overall loss. Here in This paper, proposes the method for optimal placement of capacitor banks to the distribution transformers to reduce power loss. The installation of capacitor bank locations are considered at the low voltage side of transformers. The net present value (NPV) analysis is adopted to evaluate cost benefit of the capacitor installation project. First, an explicit formula for direct calculation of power loss of radial distribution systems is derived. Then, the optimal capacitor bank placement is formulated by a Bacterial Foraging Algorithm (BFOA) model maximizing the NPV of the project subject to certain constraints. This model is suitable for being solved by commercial packages and the operational control of capacitor banks to maximize the power loss reduction, we can be simply achieved by local automatic switching according to VAR measurements.

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