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105 results about "Final energy" patented technology

Energy storage configuration method for smoothing power fluctuation of wind and photovoltaic power storage system

InactiveCN103701143ASmooth output power fluctuationsIncrease profitAc network load balancingStored energyPower grid
The invention discloses an energy storage configuration method for smoothing the power fluctuation of a wind and photovoltaic power storage system. The method comprises the following steps: firstly, fixing distributive generating system composition of stored energy to be distributed, definitizing historical generating data of various distributive generating equipment of the system, and a forming distributive generating power sample, secondly, performing discrete Fourier transform to power output sample data, thirdly, fixing a stabilizing target of the power fluctuation of the distributive generating system, fourthly, fixing a theoretical value required for energy storage power, fifthly, correcting the power requirement of an energy storage battery, and fixing final energy storage power, and sixthly, fixing the capacity requirement of the energy storage battery, and accomplishing the energy storage configuration. By configuring an energy storage system, distributive power output power fluctuation is smoothed through the operation characteristics that the system can be charged and discharged of the system, and as a distributive power source is accessed to a power grid, the stable operation of the power grid is guaranteed.
Owner:STATE GRID CORP OF CHINA +2

Energy feedback method and system of vehicle and vehicle

The invention discloses an energy feedback method and system of a vehicle and the vehicle. The method comprises the following steps of judging whether a vehicle meets an energy feedback condition or not; if yes, obtaining a constant feedback force moment according to a rotating speed of a motor, wherein the constant feedback force moment is a constant power feedback force moment or a constant torque feedback force moment; obtaining a maximum electrical braking force moment corresponding to a maximum braking acceleration limiting value, and a maximum charging force moment corresponding to a maximum charging power of a power battery; determining a maximum energy feedback force moment according to the constant feedback force moment, the maximum electrical braking force moment and the maximum charging force moment; and obtaining the final energy feedback force moment according to an energy feedback coefficient and the maximum energy feedback force moment, and controlling the motor to perform feedback braking according to the final energy feedback force moment. Through the energy feedback method of the vehicle disclosed by the embodiment of the invention, energy feedback efficiency can be improved, further energy consumption is reduced, and pollutant discharge is reduced.
Owner:BORGWARD AUTOMOTIVE CHINA CO LTD

Wind and photovoltaic complementation generation system optimization configuration method

The invention discloses a wind and photovoltaic complementation generation system optimization configuration method. The method comprises steps that, correlation between wind generation and photovoltaic generation is calculated to acquire wind and photovoltaic generation output joint probability distribution; influence of a wind speed and illumination on generation and energy storage battery life factors are comprehensively considered, and an optimization function taking lowest system generation cost as a target and a load power loss rate as a constraint condition is established; twice optimization is carried out by employing an improved harmony search algorithm, a needed wind generation power value, a photovoltaic generation power value and a theoretical energy storage battery capacity value are acquired through first optimization; the wind generation power value is adjusted to be a rated wind generator power existing in a market, and the target function is re-optimized to acquire the photovoltaic generation power and a final energy storage battery capacity target value which satisfy the constraint condition. Through the wind and photovoltaic complementation generation system optimization configuration method, a convergence speed in a solution process can be accelerated, secondary optimization satisfies practical demands, the optimization result is that power supply reliability can be improved, and system establishment cost can be reduced.
Owner:INNER MONGOLIA UNIVERSITY

Dose cup located near bend in final energy filter of serial implanter for closed loop dose control

An ion implantation system (600) having a dose cup (634) located near a final energy bend of a scanned or ribbon-like ion beam of a serial ion implanter for providing an accurate ion current measurement associated with the dose of a workpiece or wafer. The system comprises an ion implanter having an ion beam source for producing a ribbon-like ion beam (602). The system further comprises an AEF system configured to filter an energy of the ribbon-like ion beam by bending the beam at a final energy bend. The AEF system further comprises an AEF dose cup associated with the AEF system and configured to measure ion beam current, the cup located substantially immediately following the final energy bend. An end station (610) downstream of the AEF system is defined by a chamber wherein a workpiece is secured in place for movement relative to the ribbon-like ion beam for implantation of ions therein. The AEF dose cup is beneficially located up stream of the end station near the final energy bend mitigating pressure variations due to outgassing from implantation operations at the workpiece. Thus, the system provides accurate ion current measurement before such gases can produce substantial quantities of neutral particles in the ion beam, generally without the need for pressure compensation. Such dosimetry measurements may also be used to affect scan velocity to ensure uniform closed loop dose control in the presence of beam current changes from the ion source and outgassing from the workpiece.
Owner:AXCELIS TECHNOLOGIES

Energy consumption measuring method of Android mobile phone platform based on Intel Atom

The invention relates to an energy consumption measuring method of Android mobile phone based on Intel Atom, belonging to the technical field of measuring energy consumption of mobile phone platform. The method comprises the following steps: installing a DAQ signal collector in the mobile phone and measuring the DAQ; driving DAQ in an application and acquiring real-time data; analyzing the acquired measurement value in LabVIEW program; calculating the reliability of the measurement result and displaying the measurement result. An energy consumption value is read by DAQ in the invention; the software command runs the drive program, and voltage and temperature can be measured on the plate. The LabVIEW software platform can sample the energy consumption information; the final energy consumption value is analyzed by an analysis mode; in the process of running dynamic frequency modulation code, execution frequencies of a processor and a main memory are correspondingly set by the dynamic frequency modulation technology so that the dynamic frequency modulation code segment runs on the frequency which is more helpful for saving energy to the system. The invention can be used in all systems that supply the processor and are adjusted and supported by the main memory frequency, and has good simplicity and pertinency.
Owner:ZHEJIANG UNIV

Processing method and processing system of ultrasonic Doppler blood imaging

The invention provides a processing method and a processing system of ultrasonic Doppler blood imaging. The method comprises steps of acquiring echo FR signals and carrying out Hilbert transform thereon to form orthogonal IQ complex signals; in slow time directions, carrying out filtering processing on the orthogonal IQ complex signals to acquire corresponding filtering transformation signal; in quick time directions, carrying out short-time Fourier transformation on the acquired filtering transformation signals so as to allow results to form frequency domain matrixes; acquiring a frequency component in each quick time direction in the current frequency domain matrixes; according to the one-dimensional related algorithm, estimating the average speed and the energy of corresponding frequency component of each line of data in the current frequency domain matrixes; and carrying out linear fitting on the average speed and the energy of corresponding frequency component in the current frequency domain matrixes and acquiring final energy and final speed used for final frequency spectrum displaying. According to the invention, by considering effects on ultrasonic signals imposed by organization attenuation, based on broadband emission, quite high resolution is provided and quality of ultrasonic images is further improved.
Owner:VINNO TECH (SUZHOU) CO LTD

Clustered building coordination capacity allocation method based on load energy efficiency evaluation

InactiveCN105243611AImprove energy efficiencyIncrease Demand Response EngagementData processing applicationsBuilding energyEngineering
The invention provides a clustered building coordination capacity allocation method based on load energy efficiency evaluation, which comprises the steps of: (1), determining building parameters including building number participating in coordination control, building industry types, demand response execution capacity thereof and a regional total cut-down capacity; (2) establishing a comprehensive index system for building energy efficiency evaluation, including a building level energy efficiency system and an equipment level energy efficiency system; (3) collecting historical electricity utilization data of buildings, and carrying out building energy efficiency evaluation on electricity utilization conditions of the buildings at the last month through a fuzzy comprehensive evaluation method to obtain final energy efficiency grading results of the buildings; (4) and calculating final cut-down capacities of the buildings by adopting an allocation principle algorithm according to parameters such as energy efficiency grades, industry coefficients and demand response execution capacity of the buildings to obtain a coordination allocation scheme. The clustered building coordination capacity allocation method achieves the purposes of completing capacity cut down and scientific allocation and promoting energy efficiency enhancement of the clustered buildings.
Owner:STATE GRID CORP OF CHINA +4

Method of dynamically optimizing energy storage capacity of optical storage micro-grid system

The embodiment of the invention provides a method of dynamically optimizing an energy storage capacity of an optical storage micro-grid system. The method mainly comprises steps: according to forecasted photovoltaic power output and load power output, a power output curve of an energy storage battery is calculated, the maximal energy storage power value and the minimal energy storage power value of the energy storage battery in an entire sample data cycle are acquired, and an initial energy storage battery capacity for smooth fluctuation is further acquired; according to the total capacity of the energy storage battery, the minimal energy storage capacity value for emergency and the initial energy storage battery capacity for smooth fluctuation, a final energy storage capacity for emergency and the energy storage capacity for smooth fluctuation are determined. According to the embodiment of the invention, according to results of photovoltaic power generation output forecasting and load forecasting, the capacity ratio of power fluctuation for emergency and smooth grid site connection in the energy storage system is calculated, and dual effects of smoothing power fluctuation of the optical storage micro-grid system and the grid-connected sites and improving the energy storage utilization rate can be achieved.
Owner:STATE GRID CORP OF CHINA +2

Multi-agent interactive deduction simulation system capable of achieving energy conservation and emission reduction for energy consumption users

The invention relates to the technical field of energy conservation and emission reduction simulation, in particular to a multi-agent interactive deduction simulation system capable of achieving energy conservation and emission reduction for energy consumption users. The system comprises a government Agent simulation unit, an energy conservation service company Agent simulation unit, an energy consumption enterprise Agent simulation unit, a system dynamics model establishment unit and an interactive unit. According to the multi-agent system, based on the actual data, the actions of all entities such as governments, high-energy-consumption enterprises, energy conservation service companies can be actually simulated, the purpose that the coping actions and the final energy conservation and emission reduction effect of other action body Agents can be observed through the action parameters of an individual in a human-computer interaction interface adjustment system, and the technology support and a simulation deduction platform are provided for formulating a long-term energy conservation and emission reduction mechanism by the governments and taking the corresponding energy conservation and emission reduction measures by the enterprises and companies.
Owner:STATE GRID CORP OF CHINA +1

Dose cup located near bend in final energy filter of serial implanter for closed loop dose control

An ion implantation system having a dose cup located near a final energy bend of a scanned or ribbon-like ion beam of a serial ion implanter for providing an accurate ion current measurement associated with the dose of a workpiece or wafer. The system comprises an ion implanter having an ion beam source for producing a ribbon-like ion beam. The system further comprises an AEF system configured to filter an energy of the ribbon-like ion beam by bending the beam at a final energy bend. The AEF system further comprises an AEF dose cup associated with the AEF system and configured to measure ion beam current, the cup located substantially immediately following the final energy bend. An end station downstream of the AEF system is defined by a chamber wherein a workpiece is secured in place for movement relative to the ribbon-like ion beam for implantation of ions therein. The AEF dose cup is beneficially located up stream of the end station near the final energy bend mitigating pressure variations due to outgassing from implantation operations at the workpiece. Thus, the system provides accurate ion current measurement before such gases can produce substantial quantities of neutral particles in the ion beam, generally without the need for pressure compensation. Such dosimetry measurements may also be used to affect scan velocity to ensure uniform closed loop dose control in the presence of beam current changes from the ion source and outgassing from the workpiece.
Owner:AXCELIS TECHNOLOGIES

Method and device for calculating influences of changes of environment temperature on coal consumption of coal-fired power generation unit

ActiveCN105184087AAccurate calculation of external condition deviationSpecial data processing applicationsAir preheaterEngineering
The invention provides a method and device for calculating influences of changes of the environment temperature on coal consumption of a coal-fired power generation unit. The method includes the steps of obtaining the temperature of air at an inlet of an air pre-heater and the temperature of smoke at the inlet of the air pre-heater at the set environment temperature T, and calculating the temperature (please see the specification) of furnace exhaust smoke according to the temperature of the air at the inlet of the air pre-heater and the temperature of the smoke at the inlet of the air pre-heater; calculating the change amount deltaq<2> of heat losses of the furnace exhaust smoke according to the temperature (please see the specification) of the furnace exhaust smoke; obtaining the backpressure based on the influences of the environment temperature on the backpressure; finding a turbine backpressure correction curve according to the backpressure, and obtaining a difference value deltaH<R> between practical heat losses H<R> at the backpressure and design heat losses H<RTHA>; calculating the total quantity deltab of the influences of the environment temperature on the coal consumption of the unit according to the change amount deltaq<2> of the heat losses of the furnace exhaust smoke and the difference value deltaH<R>. By means of the method and device, the influences of the changes of the environment temperature on the coal consumption of the coal-fired power generation unit can be quantitatively calculated, the external condition deviation can be accurately calculated, and then the final energy efficiency level of the power generation unit can be researched.
Owner:NORTH CHINA ELECTRICAL POWER RES INST +1

Transformer substation energy efficiency evaluation method

The invention provides a transformer substation energy efficiency evaluation method, which comprises the following steps of: firstly, finely analyzing various factors influencing the energy efficiencyof a transformer substation, obtaining the weight of each index by adopting a method of combining an analytic hierarchy process and an expert scoring method, and constructing an expert scoring weightsystem; meanwhile, in order to avoid the contingency of data results, different substations are investigated and researched, the initial data indexes of each substation are analyzed by accessing workers in the substations, a complete initial data index system is established, and then subsequent analysis is facilitated through data standardization; and finally, calculating the correlation coefficient and the weighted correlation degree to obtain the comprehensive energy efficiency evaluation index of each transformer substation, and simply evaluating the energy efficiency level of the investigated transformer substation by comparing the values to obtain the final energy efficiency levels of specific different transformer substations. According to the method, the energy efficiency analysisand evaluation of the transformer substation are simpler and more accurate.
Owner:FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID

Energy storage current transformer combination optimizing method based on maximum energy efficiency

The invention provides an energy storage current transformer combination optimizing method based on maximum energy efficiency. The method includes the following steps: A, inputting basic data of a photovoltaic micro-grid; B, calculating the load within all sampling intervals [delta]T and the net power of photovoltaic output according to load data and photovoltaic output data in the step A; setting the required total power PC of an energy storage current transformer according to a net power value P0' obtained in the step B and associated with the charge and discharge process of an energy storage system and also according to the maximum energy storage charge and discharge power PBmax; D, calculating all current transformer combinations that meet requirements according to optional current transformer specifications and the total power of the current transformer determined in the step C; E, adopting a smart algorithm to distribute power to each current transformer combination determined in the step D within each period of time relative to each current transformer in the combination according to the net power value P0' obtained in the step B and associated with the charge and discharge process of the energy storage system and also to the configured the total power PC of the energy storage current transformer; and F, selecting the current transformer combination the loss of which is the minimum within a whole counted period of time in the step E as a final energy storage current transformer combination scheme.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +3

Data collection method based on monochromator quick-scanning control system

The invention provides a data collection method based on a monochromator quick-scanning control system, which is used for quickly obtaining an XAFS (X-ray Absorption Fine Structure) spectrum. The method comprises the following steps of: 1, initiating the monochromator quick-scanning control system, wherein the step of setting the rotation speed w of a monochromator is performed; 2, rotating the monochromator to an initial energy point, and starting an ADC (Analog To Digital Converter); 3, making the monochromator rotate at the constant rotation speed w continuously and the ADC carry out continuous sampling at a constant speed, carrying out synchronous processing on the data collected by the ADC to obtain the XAFS spectrum, and synchronously outputting the XAFS spectrum; and 4, stopping the rotation of the monochromator after the monochromator rotates to a final energy point, and stopping the sampling of the ADC. According to the data collection method based on the monochromator quick-scanning control system, provided by the invention, the XAFS spectrum is obtained by the continuous rotation of the monochromator and the continuous sampling of the ADC, the sampling time is greatly saved, the measuring efficiency is increased, and more importantly, a time-resolved XAFS test can be carried out.
Owner:SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI

Energy storage system planning method and system

The invention is suitable for the technical field of energy storage, and provides an energy storage system planning method and system. The method comprises the following steps of: obtaining a relateddata curve and obtaining a spectral analysis result; selecting an energy storage control strategy according to the spectral analysis result, and carrying out energy storage capacity optimization and computation to generate an optimized energy storage capacity and an optimized power capacity; generating an original energy storage scheme and a related index according to the energy storage capacity and the power capacity; obtaining a plurality of energy storage inverters and respectively carrying out energy consumption analysis on the energy storage inverters to generate energy storage inverter energy consumption analysis results; carrying out serial-parallel design on the plurality of energy storage inverters so as to generate a plurality of alternative schemes, assessing the plurality of alternative schemes to generate an assessment result, and selecting a final design scheme from the plurality of alternative schemes according to the assessment result. According to the method and system, different pieces of related data of different application scenes are obtained to correspondingly plan energy storage systems so as to obtain final energy storage design schemes, so that the power supply reliability of power distribution networks is improved, the resource configuration of the power distribution networks is optimized and the electric energy quality is improved.
Owner:囯网河北省电力有限公司电力科学研究院 +2
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