958 resultados para DC system efficiency


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This article describes the main approaches to the control of outdoor lighting using the modern means which give opportunities to improve the quality of lighting and improve its energy efficiency. It is about the lighting system of million city control.

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The paper describes the structure of electricity consumption of electric submersible pumps. Analyzed the loss of all elements of the pumping unit: the motor, the cable line,transformer, control stations and pump. Discusses how to optimize power consumption of oil production.

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Modern production and innovation processes in industrial corporations differ by complex nature of modern technologies and organizational solutions. Adequate methodological approaches to their analysis and evaluation of efficiency are required. The present study contains the conceptand the model of operational and innovation program for which formulated theoretical and methodological principles and systematic statement of the general problem of planning, designed to optimize the process of resource usage under different criteria, including: investment, financial, technological, industrial and information capabilities of the corporation.

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"August 1994."

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"August 1995."

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Mode of access: Internet.

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Mode of access: Internet.

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Mode of access: Internet.

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"June 1992"

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"Contract number 99-7-4646-04-142-01."

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"September 2004."