ACTIONS REGARDING INCREASING OF EFFICENCY OF ELECTRIC NETWORK

The retrospective analysis of losses of energy in the electrical network of several institutions of the Academy of Sciences of Moldova is executed. On the basis of the data of the power consumption for year 2010 losses of energy in all elements of the network are calculated. As a result of calculati...

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Main Author: Gritsai M.
Format: Article
Language:English
Published: Academy of Sciences of Moldova 2011-12-01
Series:Problems of the Regional Energetics
Subjects:
Online Access:http://journal.ie.asm.md/assets/files/m71_2_184.doc
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author Gritsai M.
author_facet Gritsai M.
author_sort Gritsai M.
collection DOAJ
description The retrospective analysis of losses of energy in the electrical network of several institutions of the Academy of Sciences of Moldova is executed. On the basis of the data of the power consumption for year 2010 losses of energy in all elements of the network are calculated. As a result of calculation is revealed: (1) the established capacity of transformers is superfluous concerning level of the power consumption, (2) transformers are loaded on the average on 17 % f, (3) in structure of losses the basic share (97 %) is made with losses in steel of transformers. The new configuration of a network is offered in which: (i) six (6) transformers are disconnected from a network, (ii) on the side 0.4 kV are established additional electric connections between the disconnected and working transformers, (iii) loading of the disconnected transformers is moved to the working transformers, (iv) the former level of reliability of electricity supply is kept. In the offered network of losses are reduced on 55000 kWh, that gives economy about 100000 MDL in year.
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spelling doaj-art-ed10eb37e5464d00bb15ad8f55a0046f2025-08-02T22:45:01ZengAcademy of Sciences of MoldovaProblems of the Regional Energetics1857-00702011-12-012011-33(17)7385ACTIONS REGARDING INCREASING OF EFFICENCY OF ELECTRIC NETWORKGritsai M.0Institute of Power Engineering of Academy of Sciences of MoldovaThe retrospective analysis of losses of energy in the electrical network of several institutions of the Academy of Sciences of Moldova is executed. On the basis of the data of the power consumption for year 2010 losses of energy in all elements of the network are calculated. As a result of calculation is revealed: (1) the established capacity of transformers is superfluous concerning level of the power consumption, (2) transformers are loaded on the average on 17 % f, (3) in structure of losses the basic share (97 %) is made with losses in steel of transformers. The new configuration of a network is offered in which: (i) six (6) transformers are disconnected from a network, (ii) on the side 0.4 kV are established additional electric connections between the disconnected and working transformers, (iii) loading of the disconnected transformers is moved to the working transformers, (iv) the former level of reliability of electricity supply is kept. In the offered network of losses are reduced on 55000 kWh, that gives economy about 100000 MDL in year.http://journal.ie.asm.md/assets/files/m71_2_184.docircuit of an electric network
spellingShingle Gritsai M.
ACTIONS REGARDING INCREASING OF EFFICENCY OF ELECTRIC NETWORK
Problems of the Regional Energetics
ircuit of an electric network
title ACTIONS REGARDING INCREASING OF EFFICENCY OF ELECTRIC NETWORK
title_full ACTIONS REGARDING INCREASING OF EFFICENCY OF ELECTRIC NETWORK
title_fullStr ACTIONS REGARDING INCREASING OF EFFICENCY OF ELECTRIC NETWORK
title_full_unstemmed ACTIONS REGARDING INCREASING OF EFFICENCY OF ELECTRIC NETWORK
title_short ACTIONS REGARDING INCREASING OF EFFICENCY OF ELECTRIC NETWORK
title_sort actions regarding increasing of efficency of electric network
topic ircuit of an electric network
url http://journal.ie.asm.md/assets/files/m71_2_184.doc
work_keys_str_mv AT gritsaim actionsregardingincreasingofefficencyofelectricnetwork