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|Title||Rehabilitation of the Electric Power Distribution Grid in Gaza Governorate|
Electric Utilities seek to meet the power demand and reduce the losses of the electrical network while satisfying a number of constraints. During heavy loading conditions, voltage variations around 10% and a frequency fluctuation around 0.5% of the nominal values are usually acceptable. The power loss must also be kept as low as possible and a value around 10% or even less would be acceptable. Power system operators work hard to keep the system working around the nominal values to ensure proper functioning that ensures lower power loss and guarantees a continuity of service that is crucial to private and public sectors alike. This study investigates thoroughly the electrical distribution grid of the Gaza governorate for getting the information necessary to help rehabilitate this grid. The suggested measures used for rehabilitation are the reactive power compensation using capacitor banks and the replacement of old wires and cables with new and adequate ones. The study will handle each of these two measures separately and then collectively. The results obtained will be tabulated, graphed, analyzed, and compared with the values of the current situation. The results have shown that the distribution grid of Gaza governorate need to be rehabilitated to accomplish operation conditions that lie within the standards. The resulting savings are also significant with a reasonable payback period. Two main feeders are selected to conduct this study: the 12-MW Heteen feeder supplied by the Israeli Electric Company and the J4-Feeder supplied by the Gaza Power Generation Plant. The average losses to the two selected Feeders were reduced from 17.69% to 9.99% and the voltage drop reduced from 19.65% to 9.87% in worst case. This can be reflected to the whole grid Feeders to Gaza Governorate to save 7,188,000 $ annually, in addition to average payback period of 1.4495 years which equal 18 months.
|Publisher||the islamic university|
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