Numerical techniques for design and modeling of distribution transformers

Tsili, Marina A.; Kladas, Antonios G.; Georgilakis, Pavlos S.; Souflaris, A.T.; Paparigas, D.G.

doi:10.1016/j.jmatprotec.2004.07.044

Cited by 5 publications

(1 citation statement)

References 11 publications

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“…Electrical design engineers of Iraq DPGs aim to meet two objectives [2][3][4]: studying the current residential dwelling load profile characteristics [5][6][7][8][9][10][11] and model the electricity kW demand [12][13][14][15][16][17][18]. The common factor among residential dwellings, called the diversity factor ( ), is the backbone of electricity demand modeling.…”

Section: Introductionmentioning

confidence: 99%

A Novel Approach for Residential Neighborhoods’ Electricity Demand in Iraq Distribution Power Grids

et al. 2021

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In Baghdad City's distribution power grid, a massive number of 630 kV distribution transformers (DTs) are used in residential neighborhoods. Each DT is joined to nine low-voltage 0.415 kV distribution feeders. Each feeder has a designated size of 1 × 240 mm 2 and is joined to a specified number of residential dwellings (= 30) fixed in the initial design stage. The size and number of low-voltage 0.415 kV distribution feeders are set with no change. In this investigation, we use a new approach for modeling electricity demand in residential neighborhoods in Baghdad City and overcome this constraint by finding the optimum number of residential dwellings joined to the same low-voltage 0.415 kV distribution feeder. Two sets of the experimental equations are created to compute the number of residential dwellings that are required to be joined to the low-voltage 0.415 kV distribution feeder. The multi-gradient particle swarm optimization algorithm is used as an optimization tool to handle these experimental equations. Results show that each low-voltage 0.415 kV distribution feeder can be loaded with 50 dwellings instead of 30 due to the diversity among residential dwellings. Several facts about the load profile characteristics of

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