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30 results about "Energy policy" patented technology

Energy policy is the manner in which a given entity (often governmental) has decided to address issues of energy development including energy production, distribution and consumption. The attributes of energy policy may include legislation, international treaties, incentives to investment, guidelines for energy conservation, taxation and other public policy techniques. Energy is a core component of modern economies. A functioning economy requires not only labor and capital but also energy, for manufacturing processes, transportation, communication, agriculture, and more.

Floating power plant

Disclosed is a floating power plant. The floating power plant includes a hull having a structure suitable for being movable at sea; a plurality of watertight bulkheads placed in the hull to a height of a freeboard deck, thus partitioning the interior of the hull into a plurality of watertight chambers; a power generating means for generating electricity, the power generating means including a plurality of parts separately installed in the watertight chambers; and a duct arranged to pass over the freeboard deck to couple the parts of the power generating means installed in the watertight chambers to each other. Because the floating power plant, provided with the power generating means, is freely movable at sea, the floating power plant can economically supply electricity to a specific district or to a specific facility that temporarily uses electricity, and can minimize limitations caused by environmental regulations, and can be used as an emergency electric power source. Thus, the floating power plant remarkably increases the degree of freedom while forming and managing an energy policy. Furthermore, the present invention overcomes problems of conventional land power plants and, particularly, solves the problem of the waste of land caused by construction of power plants on land, and thus reduces environmental pollution.
Owner:KIM MI YEONG

Method and system for calculating carbon emission peak value based on energy consumption structure optimization

InactiveCN107609676AIn line with the actual carbon emission curveForecastingTechnology managementMarkov chainEnvironmental resource management
The invention discloses a method and a system for calculating a carbon emission peak value based on energy consumption structure optimization. A scale interval and an occurrence time range of the carbon emission peak value can be calculated by an existing Kuznets curve. However, the movement of the carbon emission peak value cannot be accurately estimated when environmental governance is carried out and an energy policy changes. The technical scheme adopted by the method comprises the steps of (1) constructing a co-integration model and predicting total energy consumption; (2) calculating an optimal energy consumption structure by use of a Markov chain model under the situation of natural evolution and planning constraint; and (3) calculating carbon emissions under different situations according to results obtained in the previous two steps by use of an international standard carbon emission coefficient, and finding out the scale and the occurrence year of the carbon emission peak value. According to the calculation method, the carbon emission peak value is calculated based on the energy consumption structure optimization, the relation among economic development, energy consumptionand environmental constraint is comprehensively balanced, and the formulation of an energy development strategy can be supported.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER COMPANY ECONOMIC TECHN INST +1

Power grid evolution simulation method applicable to large-scale new energy access

Disclosed is a power grid evolution simulation method applicable to large-scale new energy access. The power grid evolution simulation method comprises the following steps of 1, reading in system loadand energy prediction information; 2, determining whether voltage level upgrading is needed or not according to the substation density of the same voltage level in a region; 3, solving a power supplyplanning problem, and determining the number and expected output of newly built power plants; and 4, solving a power transmission network planning problem and determining a construction scheme of a circuit. By taking influence of the large-scale new energy access and new technological application to the power grid in the future into consideration, electric power, electric quantity, peak shaving and environmental protection constraints are introduced to the electric power system evolution model by drawing lessons from a power grid planning thought and by taking the minimum construction cost asan optimization target; a plurality of cutting-edge technology-based simplified models are established from the aspect of operation of the electric power system; finally, a solving method for the evolution model is proposed by combination with a heuristic rule and a plant growth simulation algorithm; and therefore, quantitative decision basis can be provided for an energy policy and an electric power strategy by adoption of the power grid evolution simulation method.
Owner:TSINGHUA UNIV

Intelligent power distribution and utilization evaluation method conforming to low-carbon energy policy

The invention discloses an intelligent power distribution and utilization evaluation method conforming to the low-carbon energy policy. The method comprises the steps of selecting multiple evaluation indicators which embody low carbon benefits at the power distribution side and the power utilization side of a smart power grid, and utilizing the entropy weight method for determining indicator weight for indicator values; then adopting the support vector machine method for conducting dynamic prediction analysis. The method comprises the specific steps of establishing power distribution and utilization indicator models, conducting data pre-processing on the established indicators, adopting the entropy weight method for evaluating the indicators, and adopting the support vector machine method for conducting the dynamic prediction analysis on the indicators. By means of the method, on one hand, aiming at the benefits of the power distribution side and utilization side of the smart power grid which are obtained in energy saving and emission reduction, the dynamic evaluation method which conforms to the low-carbon energy policy can be raised for being adapted to the development process of intelligent power distribution and utilization systems, the development level of relevant indicators at the power distribution side and power utilization side of the smart power grid can be reflected, on the other hand, the development law of each indicator within a certain time frame in future can be researched, and it is facilitated to formulate relevant policies for promoting the intelligent power distribution and utilization systems to develop in the low carbon direction.
Owner:STATE GRID TIANJIN ELECTRIC POWER +1

Novel wind and photovoltaic hybrid power generating system with high power generating efficiency

The invention relates to the field of new energy resources, and particularly relates to a novel wind and photovoltaic hybrid power generating system with high power generating efficiency. With the increase of the strength of national energy conservation and emission reduction, the national energy policy gradually tends to the aspect of renewable energy utilization, and as renewable energy distributed power generation, the wind and photovoltaic hybrid power has important functions. At present, wind and photovoltaic hybrid power generation is affected by immature technical factors such as poor gentle wind starting performance, low power generating efficiency, low photoelectric conversion rate, unchanged dip angle, the wind and photovoltaic power generation has the defects of low integral cost performance, small loading capacity and the like, and cannot well meet the demands of rapid development of the distributed power generation market, thus limiting the large-scale promotion on other markets. The invention provides a technology capable of adjusting the dip angle of a photovoltaic module, so that the photovoltaic module is capable of receiving more direct radiant quantity of the sun, and compared with the wind and photovoltaic hybrid power generation with same loading capacity but unchanged dip angle, the wind and photovoltaic hybrid power generating system has the advantage that the generating capacity is additionally increased by about 40%.
Owner:李杰

Building distributed energy supply system based on hydrogen fuel cell and operation method

The invention discloses a building distributed energy supply system based on a hydrogen fuel cell and an operation method. The building distributed energy supply system comprises a hydrogen fuel cell system, an air source heat pump system and a waste heat recovery system; the hydrogen fuel cell system generates electric power, and the electric power stored by a storage battery is used for driving a compressor and supplying power to a building; and when the air source heat pump system is in a refrigeration mode, a refrigerant prepares chilled water for refrigeration through a plate heat exchanger, when the air source heat pump system is in a heating mode, the refrigerant extracts heat from air through a finned heat exchanger and prepares hot water for heating through the plate heat exchanger, and the waste heat recovery system recovers waste heat of the hydrogen fuel cell for preparing domestic hot water and serves as an auxiliary heat source of the air source heat pump system when the temperature is low in winter. The electric power and waste heat of the hydrogen fuel cell are fully and reasonably utilized, the purposes of building power supply, refrigeration, heating and domestic hot water supply are achieved, the energy utilization rate is increased, the current energy policy requirements of energy conservation and emission reduction are met, and social benefits are remarkable.
Owner:TIANJIN CHENGJIAN UNIV

City heating system according with low-carbon energy policy

The invention discloses a city heating system according with a low-carbon energy policy. The city heating system comprises a steam boiler, and is characterized in that: the steam boiler and a lithium bromide absorbing heat pump form a matched combined heating structure through a pipeline, wherein the entering water is heated to steam at the temperature of 150-180 DEG C through the steam boiler and then enters the lithium bromide absorbing heat pump through the pipeline; after the lithium bromide absorbing heat pump works, the generated dead steam at the temperature of 90-100 DEG C is subjected to heat exchange in a steam heat exchanger through the pipeline; then mixed hot water at the temperature of 65 DEG C at least is conveyed to a radiator at the tail end of the heating system for heating; and the mixed hot water at the temperature of 40-50 DEG C, of which the heat is radiated in the radiator at the tail end of the heating system, returns to the steam boiler through the pipeline. In the invention, a power source is replaced by steam so as to absorb high-temperature heat generated by the temperature difference of various reclaimed water sources, thus energy-saving and emission-reducing effects of saving fire coal and reducing carbon dioxide emission can be achieved.
Owner:杨铁君

Wind-solar complementary power generation system integrated with building

With the continuous increase of national new energy conservation and environmental protection policies, gradual reduction of coal-fired power generation and increase of use of renewable energy are development directions of the national energy policy in the future; and distributed energy power generation will play a greater role in the future as an important means of energy conservation and emission reduction. The invention provides a wind-solar complementary power generation system integrated with a building; and wind energy and solar energy are utilized for simultaneous power generation. Compared with photovoltaic power generation with the same installed capacity, the wind-solar complementary power generation system has the advantages that the construction cost is reduced by 10% while the generating capacity is increased by over 80%, so that a strong technical support and guarantee are provided for large-area promotion of the renewable energy toward the market. By the wind-solar complementary power generation system integrated with the building, clean energy power can be provided for remote border posts, islands in the South China Sea and poor mountainous areas; and the problem of power utilization difficulty is solved. Since the renewable energy is utilized for power generation, exploitation of natural resources and utilization of commercial power are saved, and the wind-solar complementary power generation system integrated with the building has very good social effects of energy conservation and emission reduction and economic benefits.
Owner:李杰

A grid evolution simulation method suitable for large-scale access to new energy

Disclosed is a power grid evolution simulation method applicable to large-scale new energy access. The power grid evolution simulation method comprises the following steps of 1, reading in system loadand energy prediction information; 2, determining whether voltage level upgrading is needed or not according to the substation density of the same voltage level in a region; 3, solving a power supplyplanning problem, and determining the number and expected output of newly built power plants; and 4, solving a power transmission network planning problem and determining a construction scheme of a circuit. By taking influence of the large-scale new energy access and new technological application to the power grid in the future into consideration, electric power, electric quantity, peak shaving and environmental protection constraints are introduced to the electric power system evolution model by drawing lessons from a power grid planning thought and by taking the minimum construction cost asan optimization target; a plurality of cutting-edge technology-based simplified models are established from the aspect of operation of the electric power system; finally, a solving method for the evolution model is proposed by combination with a heuristic rule and a plant growth simulation algorithm; and therefore, quantitative decision basis can be provided for an energy policy and an electric power strategy by adoption of the power grid evolution simulation method.
Owner:TSINGHUA UNIV

Concrete structure of in-situ protective large-diameter oil-gas pipeline and construction method

The invention discloses a concrete structure of an in-situ protective large-diameter oil-gas pipeline and a construction method. The construction method specifically comprises the steps of pipeline position exploration and excavation, accompanying optical cable relocation and transformation, steel sheet pile protection, protection culvert construction, alternating current interference protection construction and reinforcement of foundations on the two sides of a protection culvert. According to the concrete structure of the in-situ protective large-diameter oil-gas pipeline, large-diameter oil-gas pipeline relocation and transformation are avoided during roadbed construction, the influence of construction on pipeline operation is reduced, the pipeline operation safety during construction is ensured, the influence of highway and railway operation on the pipeline is solved, later maintenance is facilitated, a large settlement difference between the roadbed and the protection culvert can be avoided, the stability of the roadbed is ensured, and the project progress is accelerated; and under the regulation and control of the national coal-to-gas energy policy, the in-situ protective oil-gas pipeline is adopted, so that it is ensured that a valve is not closed, pressure is not reduced, and conveying is not stopped, and the concrete structure plays a very important role in relieving national energy supply shortage and promoting environmental governance.
Owner:CHINA CONSTR RAILWAY INVESTMENT & CONSTR GRP CO LTD +1

Laboratory electrical load decomposition monitoring method

The invention belongs to the technical field of power load detection and decomposition, especially to a laboratory electrical load decomposition monitoring method. Traditional load detection cannot berefined and deeply applied to each electric device in a user, and the power use experience and energy saving consciousness of a user can be weakened. The method comprises the following steps of: performing data acquisition and communication: and acquiring real-time voltage and current information from an indoor power inlet of a user, and converting the real-time voltage and current information into digital signals through an A / D converter. The laboratory electrical load decomposition monitoring method is convenient for users to reasonably arrange the starting time of an electric appliance, responds to the tiered electricity price and reduces the power consumption to the maximum extent, and the electric power company can associate multi-source information such as user occupations and housetypes to accurately classify the electricity consumption habits of the users and formulate an electric power sales strategy, thereby providing bottom-layer technical support for marketing business ofthe company after electricity transformation, and providing bottom-layer data support for government departments to formulate next-step energy policies.
Owner:HUBEI UNIV OF TECH
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