7 results about "Kilowatt-Hour" patented technology

The invention relates to a method and device for determining a carbon emission reduction intensity index of new energy per kilowatt hour, and the method comprises the steps: building a relation characteristic model between the output of a fossil energy unit and carbon emission based on the output of the fossil energy unit, building a power system carbon emission time sequence simulation pre-evaluation model based on a source, network, load and storage model, a reference installation scene and different new energy installation scenes are defined, and carbon emission and new energy generating capacity of the reference installation scene are calculated based on a relation characteristic model between fossil energy unit output and carbon emission and a power system carbon emission time sequence simulation pre-evaluation model. And obtaining a new energy kilowatt-hour carbon emission reduction intensity index based on difference values between the different new energy installation scenes and the carbon emission and the new energy generating capacity of the reference installation scene and between the different new energy installation scenes and the carbon emission and the new energy generating capacity of the reference installation scene. Through the method and the device provided by the embodiment of the invention, the equivalent carbon emission reduction benefit of new energy grid-connected power generation can be accurately estimated.

The invention discloses an energy consumption optimization calculation method in an industrial enterprise intelligent supply chain, and belongs to the technical field of industrial enterprise energy consumption management. The purpose of collaborative improvement of energy consumption and efficiency of industrial enterprises is achieved. The method comprises the steps of collecting 6 types of basic data based on an existing digital system of an industrial enterprise intelligent supply chain, and performing energy consumption data fusion and calibration to obtain energy efficiency indexes of the 6 types of basic data; a cross-link energy consumption synergistic effect of a logistics link, a storage link and a production link is considered, and a smart supply chain collaborative energy consumption coupling factor is calculated; order fluctuation data and inventory turnover data are introduced for elastic correction, and a corrected dynamic energy consumption factor is obtained; and considering the energy-saving technology of the intelligent supply chain, calculating an energy-saving cost balance factor based on the corrected dynamic energy consumption factor, introducing a carbon emission reduction coefficient and the equipment scheduling elasticity of the intelligent supply chain, calculating the optimal power consumption target value of the future one month, and directly applying the finally output kilowatt-hour level target value to the real-time scheduling decision of the intelligent supply chain.

A method or system for generating responses to prompts S201 from a user to a large language model (LLM); the prompt corresponds to a question relating to energy consumption and / or energy generation of

The invention relates to a floating type offshore wind power plant full life cycle kilowatt-hour cost evaluation method comprising the following steps: respectively constructing initial investment cost, operation and maintenance cost and decommissioning cost, and constructing kilowatt-hour cost LCOE through the constructed initial investment cost, operation and maintenance cost, decommissioning cost and a wind turbine generator generation power model; wherein the wake effect in the deflection wind field is considered in the establishment of the total generating capacity of the wind power plant in the cost per kilowatt-hour, and the problems that the calculation of the cost per kilowatt-hour is inaccurate and the feasibility evaluation of a project is influenced due to the fact that the wake effect in the deflection wind field is not considered in an existing offshore wind power plant cost model and the wake effect can influence the generating efficiency of a wind turbine are solved.

The invention provides an economic evaluation method and device for energy storage of a zinc-iron flow battery and a storage medium. The economic evaluation method comprises the following specific steps: establishing an initial aging attenuation model of energy storage capacity attenuation of the zinc-iron flow battery according to an energy storage operation process of the zinc-iron flow battery; according to the influence of multiple factors on capacity aging attenuation, updating the initial aging attenuation model to obtain a zinc-iron flow battery energy storage capacity aging attenuation model under the influence of the multiple factors; and calculating the cost per kilowatt hour of the zinc-iron flow energy storage power station according to the aging attenuation model of the energy storage capacity of the zinc-iron flow battery on the basis of the energy storage leveling cost per kilowatt hour, thereby measuring the energy storage economy of the zinc-iron flow battery, and realizing a technical scheme capable of more accurately estimating the cost per kilowatt hour of the zinc-iron flow energy storage power station.

The invention provides a peak regulation method and device for partitioned power utilization, computer equipment and a storage medium, and belongs to the technical field of power system analysis, and the method comprises the steps: carrying out the region division of a target region, and determining the peak regulation parameter of each partition; performing clean energy scheduling peak regulation among the partitions based on the consumption gap time period of the clean energy and the load side power consumption valley time period, and determining peak regulation cost per kilowatt hour, reference power purchase price, peak regulation income and load side income; and constructing an NSGA-II algorithm, carrying out iterative optimization on the NSGA-II algorithm by taking maximization of the peak regulation income and the load side income as a target, and determining the peak regulation electric quantity and the peak regulation electricity purchase price. In this way, the absorption capacity of the clean energy is considered, the peak regulation problem of the load side power consumption trough period and the absorption gap period of the clean energy is comprehensively considered, the stability of the power grid is maintained, finally, the cost problem in all aspects is comprehensively considered, the income is maximized, and the economic benefit is improved. The problem of low peak regulation power utilization income of a load side and a power grid is solved.

The invention relates to the technical field of energy, and discloses a smart energy dispatching system which comprises a smart energy dispatching command center, a 66kV transformer substation, a 220kV booster station, a step-down station, a 220kV power transmission line, a 66kV power transmission line, a power system network architecture and distribution network automatic construction, and the matched construction capacity is 100MW / 400MWh. According to the intelligent energy dispatching system, the intelligent energy dispatching system is accessed for monitoring and control, full-time analysis is carried out on a new energy power generation curve and a load power consumption curve, load adjustment is automatically carried out, intelligent dispatching is achieved on power flow in the system, safe, efficient and stable operation of a power system is achieved, and about 21 hundreds of millions of kilowatt-hours of green power can be provided every year; according to the invention, local consumption in a novel electric power system is completely realized, the replacement proportion of clean energy exceeds 50%, and meanwhile, standard coal can be saved by 64.080 tons every year, and carbon dioxide emission is reduced by 201.63 thousand tons every year. And the power utilization cost of enterprises is further reduced, and the power service and power supply level of high and new areas is improved.