Voltage upgrading of power distribution network in basra city from 11 kW to 33 kW

• Autorzy: Abood, Salam Bnyan , Wahhab, Thamir M Abdul

Warianty tytułu

PL

Modernizacja napięcia sieci dystrybucji energii w mieście Basra z 11 kV do 33 kV

• Języki publikacji: EN

Abstrakty

EN

Among the plans of Ministry of Electricity MOE in Iraq to evolve the power distribution sector is to replace the conventional 33/11/0.416 kV system by a new 33/0.416 kV system. The main reasons for that are the huge increase in demand for electricity especially in city center where the demand is increasing vertically for the same geographical area, and the lack of available locations to install additional 33/11 kV substations. This work presents the design of distribution network with proposed 33/0.416 kV system for reliable power supply with better voltage profile, improved power factor, lower losses, and lower cost. The method involves local zoning of area, calculating total load, computing total number, size, and location of distribution transformers, and calculating length and size of cables.The 33 kV intermediate station in the proposed system require a land area about 66% less than the area required for the installation of the conventional 33/11 kV substation. This allows installing the 33 kV intermediate stations in locations that provides the best result from the technical point of view. The line loading about 3 times increase when upgrade the operating voltage to 33kV and can be meet the increase load demand in future without needs to install new substation and new distribution feeders. The GIS software is used to locate the distribution transformers and lying of the underground cables. CYME software is used to simulate the electric distribution system and conduct the load flow and other analyses.

PL

Wśród planów Ministerstwa Energii Elektrycznej MOE w Iraku dotyczących rozwoju sektora dystrybucji energii jest zastąpienie konwencjonalnego systemu 33/11/0,416 kV nowym systemem 33/0,416 kV. Głównym tego powodem jest ogromny wzrost zapotrzebowania na energię elektryczną, zwłaszcza w centrum miasta, gdzie popyt rośnie w pionie dla tego samego obszaru geograficznego oraz brak dostępnych lokalizacji do zainstalowania dodatkowych stacji 33/11 kV. W pracy przedstawiono projekt sieci dystrybucyjnej z proponowanym systemem 33/0,416 kV zapewniającym niezawodne zasilanie o lepszym profilu napięciowym, lepszym współczynniku mocy, niższych stratach i niższych kosztach. Metoda obejmuje lokalne strefowanie obszaru, obliczanie całkowitego obciążenia, obliczanie całkowitej liczby, rozmiaru i lokalizacji transformatorów rozdzielczych oraz obliczanie długości i rozmiaru kabli. Stacja pośrednia 33 kV w proponowanym systemie wymaga powierzchni lądowej o około 66% mniejszej niż powierzchnia wymagana do zainstalowania konwencjonalnej podstacji 33/11 kV. Pozwala to na zainstalowanie stacji pośrednich 33 kV w lokalizacjach zapewniających najlepszy wynik z technicznego punktu widzenia. Obciążenie linii wzrasta około 3 razy po podniesieniu napięcia roboczego do 33kV i może w przyszłości zaspokoić rosnące zapotrzebowanie na obciążenie bez konieczności instalowania nowej podstacji i nowych linii dystrybucyjnych. Oprogramowanie GIS służy do lokalizacji transformatorów rozdzielczych i układania kabli podziemnych. Oprogramowanie CYME służy do symulacji systemu dystrybucji energii elektrycznej i przeprowadzania przepływu obciążenia oraz innych analiz.

Słowa kluczowe

PL

modernizacja napięcia sieci dystrybucyjnej; oprogramowanie CYME; profil napięcia; straty mocy

EN

power distribution network voltage upgrading; CYME software; voltage profile; power losses

• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2023
• Tom: R. 99, nr 2
• Strony: 88--95
• Opis fizyczny: Bibliogr. 26 poz., rys., tab., wykr.

Twórcy

autor

Abood, Salam Bnyan

• Ministry of Electricity, Iraq,

autor

Wahhab, Thamir M Abdul

• University of Technology, Iraq,

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).

Identyfikatory

DOI

10.15199/48.2023.02.14