Italian engineering company Danieli has filed a patent for an electric power supply apparatus for industrial plants. The apparatus includes a transformer connected to a mains power network and a power supply system, which can also be connected to an alternative energy source. A management unit monitors the availability and cost of electrical energy from both sources and selects the most appropriate one to supply power to the plant’s materials treatment line and user devices. GlobalData’s report on Danieli & C. Officine Meccaniche gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Danieli & C. Officine Meccaniche, Ore pre-treatment was a key innovation area identified from patents. Danieli & C. Officine Meccaniche's grant share as of September 2023 was 62%. Grant share is based on the ratio of number of grants to total number of patents.

Electric power supply apparatus for industrial plant with alternative energy source

Source: United States Patent and Trademark Office (USPTO). Credit: Danieli & C. Officine Meccaniche SpA

An electric power supply apparatus for an industrial steel plant has been filed for a patent. The apparatus includes a transformer connected to a public mains power network and a power supply system located downstream of the transformer. Additionally, the power supply means also comprise an alternative energy source that can supply power energy to the line for treating materials and/or the user devices. The apparatus includes a management unit that monitors parameters such as the functioning status, quality, quantity, and cost of the electrical energy available from the mains power network and the alternative energy source. Based on these parameters and the quantity of energy required by the line and/or user devices, the management unit selects either the mains power network, the alternative energy source, or both to supply electrical energy.

The apparatus is specifically designed for use in a steel plant and can be used in a line for melting metal material and a rolling line. The melting line includes a furnace, while the rolling line includes the user devices. The power supply system is connected between the transformer and the user devices and includes a medium voltage/medium voltage or medium voltage/low voltage transformer, a rectifier, and a converter. The alternative energy source is connected to the furnace and user devices through direct current connection systems.

The apparatus also includes a direct current common connection bus associated with the direct current connection systems. High frequency converters are positioned between the common bus and the alternative energy source, as well as between the common bus and the direct current connection systems. Additionally, an energy accumulation system is electrically connected to the common bus and includes accumulation devices connected through a high frequency converter.

The patent also describes a method for supplying electrical energy in an industrial steel plant. The method involves using an alternative energy source independent of the mains power network to supply electrical energy to the line and/or user devices. Parameters such as functioning status, quality, quantity, and cost of the electrical energy from both sources are monitored, and the energy source is selected based on these parameters and the overall energy costs.

In summary, the filed patent describes an electric power supply apparatus and method for an industrial steel plant. The apparatus includes a transformer, power supply system, alternative energy source, and a management unit to monitor and select the energy source based on various parameters. The method involves supplying electrical energy from the alternative source and selecting the energy source based on parameters and energy costs.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.