HVDS Analysis for Technical Loss Reduction in Power Distribution System

Daniel E. Okojie, Adisa A. Jimoh, Adedayo A. Yusuff, and Taofik A. Basanya


High Voltage Distribution System (HVDS), Low Voltage Distribution System (LVDS), Technical Loss Reduction (TLR), Power Holding Company of Nigeria (PHCN)


Many utilities suffer from High Technical and Non-Technical Energy Losses that, when combined, can exceed 30% of the total energy generated or imported. Studies have shown that the optimal total power losses in the distribution network (Primary and Secondary Distributions) range from between 6% and 12%. Sample studies of a number of utilities showed, however, that the secondary distribution network alone could have a loss that exceeds 12%. In this paper High Voltage Distribution System (HVDS) is proposed for analysis and implementation for Power Holding Company of Nigeria (PHCN) that is having relatively high technical loss problems in a section of the distribution network. The distribution of power at high voltage and supplying the customers directly through small size distribution transformers would be achieved. The load Flow equation for testing a practical situation is also presented.

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