Peculiarity of Determination of Economic Current Density Values for 6 – 35 kV Power Lines under Modern Conditions

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The paper studies the issues concerning the updating of standardized values of economic current density due to the change of price indices in the modern Russian economy. Results of economic current density determination for 6 – 35 kV power lines based on minimal discounted costs in terms of modern cost data are presented. Assessment of responsitivity of economic current density values to the variation of technical and economic factors influencing them has been performed. Moreover, economic current density values for cables insulated with cross-linked polyethylene and self-supporting insulated wires which are not presented in the Electrical Installation Code have been obtained. Changes in electric power cost and time-dependant changes of electric load are taken into consideration in the specified values.

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300-304

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September 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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