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This standard covers electrical characteristics and mechanical features of 3-phase, 60cycle, 2-winding, mineral-oil-immersed indoor transformers rated 250 to 35000 kva, inclusive, high voltage 2400 to 34400 volts, inclusive, used for supplying electric power to direct arc ferrous-melting furnaces. 17-00.012 All characteristics and definitions, except as specifically covered in this standard, shall be in accordance with the American Standard Requirements, Terminology and Test Code for Distribution, Power and Regulating Transformers, and Reactors Other Than Current-Limiting Reactors, C57.12-1958, or the latest revision thereof approved by the American Standards Association, Incorporated. Certain information in the American Standard and in this First Report may eventually be included in sections which will be prepared for general requirements, terminology and test code for arc furnace transformers.
Furnaces --- Combustion.
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The provisions of this recommended practice apply to (a) All electrical equipment and wiring between the point of connection in the power supply substation and the connection to the furnace or forehearth electrodes for the purpose of heating the glass by the passing of electric current through it. (2) All electrical equipment and wiring that is connected directly to resistance heating devices that supply energy to the furnace of forehearth. (3) All sensors and devices used to measure, alarm, or regulate energy, mass flow, and temperature. (4) The adequate electrical insulation from ground of the refractories containg the molten glass. (5) The adequate electrical grounding og equipment and services. (6) All equipment and procedures pertaining to safeguarding personnel.
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Industrial and Process Furnaces: Principles, Design and Operation, Third Edition continues to provide comprehensive coverage on all aspects of furnace operation and design, including topics essential for process engineers and operators to better understand furnaces. New to this edition are sections on production, handling and utilization of alternative fuels such as biomass, hydrogen and various wastes, modeling of the process, combustion and heat transfer, their benefits, advantages and limitations, mitigation and removal of CO2 , the role of solar and other renewable energy, recent research, and the practical approach of the Whyalla steelworks for harnessing solar energy for sustainable steelmaking, hydrogen and as a "clean fuel".
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