INCREASING THE EFFICIENCY OF THE DISTRIBUTION NETWORKS OF LOW-RISE CITY DISTRICTS

The article analyzes the methods of estimating the parameters and regimes of electrical distribution networks in areas of low-rise urban development. A method for optimizing the parameters of distribution networks of 0.38 kV under conditions of uncertainty of the initial information is proposed. It...

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Veröffentlicht in:Pracì Ìnstitutu elektrodìnamiki Nacìonalʹnoï akademìï nauk Ukraïni (Online) 2023-09, Vol.2023 (65), p.61-67
Hauptverfasser: Hovorov, P.P., Hovorov, V.P., Perepecheniy, V.O., Kindinova, A.K.
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container_title Pracì Ìnstitutu elektrodìnamiki Nacìonalʹnoï akademìï nauk Ukraïni (Online)
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creator Hovorov, P.P.
Hovorov, V.P.
Perepecheniy, V.O.
Kindinova, A.K.
description The article analyzes the methods of estimating the parameters and regimes of electrical distribution networks in areas of low-rise urban development. A method for optimizing the parameters of distribution networks of 0.38 kV under conditions of uncertainty of the initial information is proposed. It is shown that one of the unsolved problems of calculating the parameters of distribution electric networks of cities is the determination of the estimated load of utility consumers. Its dependence on the characteristics of consumers and their number connected to the lines of city transformer substations causes the low accuracy of calculations. In this case, the error of calculating the transformer substations load can reach 10-25%, and the error of calculating the cross-sections of 0.38 kV lines reaches 40%. In the assumption of the constancy of the total length of the lines of urban electric networks and the invariance of the distance between loads, calculation formulas for linear moments and load distribution coefficients are proposed, and based on them, models of intersection and power losses in lines are developed. Taking into account the developed models, we offer discounted cost models for 0.38 kV networks and transformer substations when calculating economic current density and allowable voltage costs. Keywords: optimization, distribution networks, uncertainty, efficiency, low-rise building, scheme.
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title INCREASING THE EFFICIENCY OF THE DISTRIBUTION NETWORKS OF LOW-RISE CITY DISTRICTS
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