Reduction of Basher City’s Distribution Losses using Medium Voltage Network

Distribution systems losses are the major losses in electrical power systems. The main objective of this paper is to study the losses in Sudanese electricity distribution company (SEDC) networks. The paper works out a hypothesis that feeding customers' directory form medium voltage will decrease the overall losses in the SEDC network. The paper began by running a simulating model to study the impact of eliminating the low voltage network of AL-Basher city's losses, NEPLAN program was used to simulate the research problem. Two different models (A, B) were designed for Al-Bashir city network in Red Sea State, specifications and data were taken from Geographical Information System program (GIS); the tow is identical in loads, conductor's length and total transformers capacities. The simulation result shows that the losses were decreased from 22.58% in case A to 5.46% in case B. These results reveal a very high reduction in losses reached 17.12% when customers were divided into small groups and each group feed by 15 KVA/ 11KV transformers as in model B.