Patent•
Wind power supply method and system thereof
07 Jul 2011-
TL;DR: In this article, the output voltage of each wind power generator in a wind power field (20) is converted by a DC/DC converter into a direct current voltage with the same voltage value as the others, and all the direct current voltages are connected with each other in parallel to constitute an independent wind power grid (10) of the wind power fields (20).
Abstract: A wind power supply method and a system thereof. The output voltage of each wind power generator in a wind power field (20) is converted by a DC/DC converter into a direct current voltage with the same voltage value as the others, and all the direct current voltages are connected with each other in parallel to constitute an independent wind power grid (10) of the wind power field (20). The wind power grid (10) directly supplies power to a high energy consumption load (40), or the wind power (grid (10) as a main power supply and a commercial power grid (50) as an auxiliary power supply together supply power to the high energy consumption load (40), or the wind power grid (10) is connected to the commercial power grid (50) via a DC/ AC inverter for supplying power to the high energy consumption load (40). The wind power supply method and system enable to reduce adverse effect to the power grid to a minimum.
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Patent•
28 Mar 2019
TL;DR: In this paper, a hybrid system for generating electric power in an electrolysis method for producing metals was proposed, whereby two or more sources of electric current are integrated, one being the mains system (SIN) and the others being distributed generation sources, which are connected at the charge supply node, with control of the total direct current to be injected in the charge of the method.
Abstract: The present invention relates to a hybrid system for generating electric power in an electrolysis method for producing metals, whereby two or more sources of electric current are integrated, one thereof being the mains system (SIN) and the others being distributed generation sources, which are connected at the charge supply node, with control of the total direct current to be injected in the charge of the method The renewable or non-renewable distributed generation sources may be: photovoltaic solar, concentration solar, wind, fossil fuel generator, diesel generator, steam turbines, combined cycle power plants, etc The power generation system may be employed in an electrolysis method for producing metals such as zinc, copper, aluminium or nickel
References
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Patent•
07 Mar 2007
TL;DR: An electric power generator system or a motor comprising a doubly-fed asynchronous generator or motor consisting a stator and a rotor, a transformer having a first winding and a second winding, the first winding having first end and second end, and the transformer being connectable in series with an electric power distribution grid is defined in this article.
Abstract: An electric power generator system or a motor comprising a doubly-fed asynchronous generator or motor comprising a stator and a rotor, a transformer having a first winding and a second winding, the first winding having a first end and a second end; and wherein the stator and the transformer are connectable in series with an electric power distribution grid.
56 citations
Patent•
24 Dec 2008
TL;DR: In this paper, an off-grid combined energy-storage wind power generation system is presented, which adopts two or more energy storage modes with complementary advantages to solve the problems that the wind energy can not meet the load requirements for the users, and provides the long-term, stable and continuous power supply only generated by the wind power for the consumers.
Abstract: The invention provides an off-grid combined energy-storage wind power generation system. The system adopts two or more energy-storage modes with complementary advantages to solve the problems that the wind energy can not meet the load requirements for the users, provides the long-term, stable and continuous power supply only generated by the wind power for the users, and guarantees the zero emission, environmental protection and high utilization ratio of the wind energy. Additionally, based on the optimized operation and configuration proposal, the system has the advantages of good dynamic response, high operational efficiency, low cost, small size and light weight. The system mainly comprises a wind power-generating unit (1), accumulators (2), a hydrogen electrolyzer (3), a hydrogen vessel (4), fuel cells (5), a power converter, a power bus (7), a system monitoring/control device (6) and optionally an energy storage device (8).
17 citations
Patent•
29 Aug 2007
TL;DR: In this paper, a non-grid-connection wind power supply method for high energy consuming industries, mainly taking the wind power generated by high power wind power generator as the principal and the city power supplied by power grid as the auxiliary to respectively rectify them into DC powers with proper voltages for electrolyzing or electroplating industries.
Abstract: The invention is a non-grid-connection wind power supply method for high energy consuming industries, mainly taking the wind power generated by high power wind power generator as the principal and the city power supplied by power grid as the auxiliary to respectively rectify them into DC powers with proper voltages for electrolyzing or electroplating industries and other high energy consuming industries. And its device is mainly composed of two rectifiers, where their input ends are connected with the wind power and city power, respectively and their output ends are both connected with two electrodes of an electrobath or plating bath. And it can provide a market for quickly and large-scale developing wind power and supply clean and cheap renewable energy source for the high energy consuming industries, having huge economic and social benefits.
5 citations
Patent•
17 Dec 2008
TL;DR: In this paper, the authors proposed a direct current interconnected system for high-power wind power generation and the situation in which long distance energy transmission is required on the basis of Direct Current interconnected technology, and can improve power transmission efficiency and effectiveness of the wind power station for long distance transmission because transmission loss of the direct current transmission is less than that of the alternate current transmission.
Abstract: The utility model provides a wind power generation interconnected system. The output of an aerogenerator is connected with a direct current interconnected converter and the output of the direct current interconnected converter is connected with a main grid through a field-level converter; the direct current output ends of all wind generating set direct current interconnected converters are connected in parallel in a wind power station to form a direct current grid inside the wind power station, the outputs of the direct current grid are uniformly connected with the field-level interconnected converter. The interconnected system is particularly suitable for high-power wind power generation and the situation in which long distance energy transmission is required on the basis of direct current interconnected technology, and can improve power transmission efficiency and effectiveness of the wind power station for long distance transmission because transmission loss of the direct current transmission is less than that of the alternate current transmission. A direct current interconnected system avoids the circumfluence problem between a plurality of converters in an alternate current interconnected system.
5 citations
Patent•
13 May 2009
TL;DR: In this article, an independent power charging-discharging, storage-distribution supply generating plant of a non-parallel network wind-light power is presented. And the model mainly comprises a cylinder of the generating plant, a wind generator, a solar battery board, a storage battery unit, and a windlight generating controller, a sine wave inverter, a power storage device, a control switch of the power storage devices, power distribution board, an AC electro-variable frequency actiyator, a commercial power load distributor, and the like.
Abstract: The utility model discloses an independent power charging-discharging, storage-distribution supply generating plant of a non-parallel network wind-light power. The utility model mainly comprises a cylinder of the generating plant, a wind generator, a solar battery board, a storage battery unit, a wind-light generating controller, a sine wave inverter, a power storage device, a control switch of the power storage device, a power distribution board, a DC electro-variable frequency actiyator, an AC electro-variable frequency actiyator, a commercial power load distributor, and the like. The generating plant can control a wind-light system to automatically charge the storage batteries, and enlarges the range of charging wind speed; the generating plant has the functions of charging, discharging, storing and distributing the power, can carry out variable frequency stepless speed regulation on a power load and can carry out power distribution and supply on a common commercial AC electric apparatus. The generating plant can carry out excellent matching with a wind-light generating system, can systematically solve power charging, discharging, storage, distribution and supply as well as improve the generating performance, and has the characteristics of high automatization, high efficiency and energy saving, good power supply performance, stability and reliability, long service life, and the like.
3 citations