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128 results about "Effective power" patented technology

Composite insulation monitoring equipment cooperative work control system and method suitable for complex ship power supply system

PendingCN121461596ATesting dielectric strengthCircuit arrangementsControl cellInsulation monitoring device
The invention discloses a composite insulation monitoring equipment cooperative work control system and method suitable for a complex ship power supply network. An acquisition module in the system acquires a state signal of the complex ship power supply network through a digital quantity input signal cable; the control unit is in communication connection with the acquisition module and is used for receiving the state signal and executing cooperative control logic; the output module is in communication connection with the control unit and is connected with an expansion relay through a digital quantity output signal cable, and the expansion relay is used for controlling input or quit of the insulation meter. The on-off state of each circuit breaker and the operation state of each insulation monitor are collected, the input and the output of each insulation monitoring meter are controlled according to a manually set requirement principle, and the condition that one insulation meter continuously works is avoided by setting a certain cycle time and changing the priority among the insulation monitoring meters. According to the control method, various insulation monitoring devices on a certain type of ship can be matched for use, and a continuous and effective power grid insulation state monitoring function is realized.
Owner:THE 704TH RES INST OF CHINA STATE SHIPBUILDING CORP

Perovskite assembly edge-cleaning microstructure and preparation method thereof

The invention discloses an edge-cleaning microstructure of a perovskite component and a preparation method thereof, the edge-cleaning microstructure comprises a plurality of micro grooves formed in an edge-cleaning area of the perovskite component, and the surface length of the edge-cleaning microstructure is not less than the creepage spacing of the perovskite component. By introducing a micro-groove structure, the actual creepage distance K is prolonged under the limited edge cleaning width L, the physical edge cleaning width is reduced on the premise of meeting the safety standard, and the reduction of the edge cleaning width is beneficial to improving the effective power generation area of the perovskite assembly and improving the output power of a single-chip assembly; the method is formed through a laser process, is high in process compatibility, and is suitable for mass production packaging of large-area and high-efficiency perovskite components.
Owner:RENSHUO SOLAR ENERGY (SUZHOU) CO LTD +2

SSD low-power-consumption control method and device and medium

The invention discloses an SSD low-power-consumption control method and device and a medium, and relates to the technical field of SSDs, and the method comprises the steps that a system-on-chip receives an effective power-off notification signal from a host through a preset universal input and output pin; in response to the effective power-off notification signal, the system-on-chip writes the data in the cache into a nonvolatile storage medium of the solid state disk; then, the system-on-chip sends a control instruction to the power management chip through the communication bus, and a power-off control register of the power management chip is configured to be in an enabled state; the power management chip responds to the power-off control register to be in the enabled state, all power output except the power input by the power management chip in the solid state disk is cut off, and the solid state disk enters a low-power-consumption state. The problem that the power consumption of a traditional partial power-off scheme is not reduced thoroughly is solved, meanwhile, the hardware cost and complexity caused by a scheme depending on a standby power capacitor are avoided, and extreme low-power-consumption control on the premise that data safety is guaranteed is achieved.
Owner:DONGGUAN RAMAXEL MEMORY TECH LTD

A laser strike effect real-time estimation method and system for rapid deployment

PendingCN122285692AEffective powerEngineering
This invention discloses a method and system for real-time prediction of laser strike effects for rapid deployment. The system includes: defining standard reference environmental parameters, calibrating standard attenuation coefficients and standard power-to-target (PTO) values; constructing a benchmark database; collecting target environmental parameters and calculating the power attenuation ratio between the target environmental parameters and the standard reference environmental parameters; calculating the PTO power under the target environmental parameters based on the power attenuation ratio, and calculating the PTO power density based on the PTO power; finding the benchmark minimum effective power density of the target target material based on the benchmark database; and, if the PTO power is greater than or equal to the benchmark minimum effective power density, estimating the estimated penetration time of the target target material based on the PTO power, the power density at which the target material penetrates the target material under the standard reference environmental parameters, and the penetration time. This invention features extremely low computational complexity, fast response speed, and guarantees laser strike effects superior to empirical estimates.
Owner:SICHUAN CREATION LASER TECH CO LTD

Trip outlet power supply circuit and electronic equipment

The invention provides a tripping outlet power supply circuit and electronic equipment. The tripping outlet power supply circuit comprises a first driving module, a second driving module, a logic module, an outlet power supply generation module and an outlet module, the logic module is electrically connected with the first driving module, the second driving module and the outlet power supply generation module, and the outlet power supply generation module is electrically connected with the outlet module. The first driving module is used for being electrically connected with a first CPU, the second driving module is used for being electrically connected with a second CPU, and the outlet power supply generation module and the outlet module are both used for being electrically connected with the logic control module. According to the tripping outlet power supply circuit provided by the embodiment of the invention, accurate management and control of the tripping outlet can be realized, that is, effective power supply signals can be output only when the first CPU and the second CPU are normal, so that the outlet module is triggered to act, stable outlet is realized, the stability and the safety of a tripping outlet link are remarkably improved, and the service life of the tripping outlet is prolonged. And reliable operation of a power system is ensured.
Owner:CYG SUNRI CO LTD

Water taking metering power consumption correction method based on multi-dimensional operation signals and deep learning

The invention belongs to the technical field of electricity-to-water metering and intelligent analysis of a water pumping system. The invention provides a water taking metering power consumption correction method based on a multi-dimensional operation signal and deep learning, aiming at solving the problem of water volume false report caused by increase of actual water demand and increase of power consumption due to efficiency degradation / fault of a water pump, which cannot be distinguished by converting electricity into water in the prior art. The invention provides the water taking metering power consumption correction method based on the multi-dimensional operation signal and deep learning. According to the method, vibration, sound, voltage / current waveform and other signals are collected, an electrical-mechanical-hydraulic three-layer initial atlas is constructed, a cross-layer hypergraph is generated, hyperedge and pump curve prior constraints are indicated through load consistency and loss, a load or loss event is judged on the hypergraph, and an event gating signal is output; further aggregating energy semantics on the edge-level energy diagram along a physical consistent path of electricity, machine and water, decomposing the total power consumption into effective and invalid power consumption, marking the source of the invalid power consumption, and mapping the water quantity by the effective power consumption; according to the method, fault energy consumption can be avoided, water consumption is counted, and meanwhile, supervision and operation and maintenance bases are provided.
Owner:XIAN MOUNTAIN ZHIXIANG TECHNOLOGY CO LTD

Electrochemical synthesis ammonia unit yield power consumption measuring and calculating method, system and electronic equipment

The invention provides a method for measuring and calculating the unit yield power consumption of electrochemical synthesis ammonia, the method is used for measuring and calculating the unit yield power consumption of an electrochemical synthesis ammonia device, and the electrochemical synthesis ammonia device at least comprises a plasma generator, a circulating electrolyte pump, an air pump and an electro-catalysis power supply; the method comprises the following steps: S100, obtaining effective power consumption of the electrochemical ammonia synthesis device within operation time tr; s200, the mass of ammonia generated by the electrochemical ammonia synthesis device within the operation time tr is obtained; s300, based on the effective power consumption and the mass of ammonia, the electrochemical synthesis ammonia unit yield power consumption is calculated, and the effective power consumption of the electrochemical synthesis ammonia device comprises the power consumption of a plasma generator, the power consumption of a circulating electrolyte pump, the power consumption of an air pump and the power consumption of an electro-catalysis power source.
Owner:XIAN THERMAL POWER RES INST CO LTD

Broadband Schottky frequency tripling circuit structure and related components

The invention discloses a broadband Schottky frequency tripling circuit structure and related components, and relates to the field of signal processing. Two groups of Schottky diode strings which are reversely connected in parallel are integrated on a single radio frequency circuit substrate, and an input split-phase structure and a synthesis output structure are matched, so that independent frequency doubling and power synthesis of two paths of differential signals in a single-chip circuit are realized, the effective power capacity is improved to twice that of a traditional single-channel structure, and the output power is improved. According to the structure, while the power is improved, a complex waveguide network and a plurality of independent radio frequency circuit substrates required by a traditional multi-channel power synthesis technology are avoided, the problems of transmission loss, volume expansion and channel consistency caused by the complex waveguide network and the plurality of independent radio frequency circuit substrates are eliminated, and the unification of high power, broadband, miniaturization and high integration level is really realized.
Owner:INST OF ELECTRONICS ENG CHINA ACAD OF ENG PHYSICS

Method, system and epi wafer for improving particle contamination of silicon wafers during epitaxy

This disclosure provides a method, system, and epitaxial wafer for improving particulate contamination of silicon wafers during epitaxy. The method includes: selecting at least one test silicon wafer from a batch of silicon wafers to be processed, and determining a target power range to be applied to the epitaxial furnace based on the test results of the test silicon wafer; adjusting the effective power applied to the epitaxial furnace to the target power range before the silicon wafer to be processed is fed into the epitaxial chamber of the epitaxial furnace, so that the temperature inside the epitaxial chamber is within a target temperature range; maintaining the effective power of the epitaxial furnace within the target power range until the silicon wafer to be processed enters the epitaxial chamber, thereby using the target temperature range to suppress thermal deformation of the silicon wafer to be processed; and growing an epitaxial layer on the surface of the silicon wafer to be processed after it enters the epitaxial chamber. This disclosure can effectively reduce particulate contamination of the silicon wafer to be processed during epitaxy.
Owner:XIAN ESWIN MATERIAL TECHNOLOGY CO LTD

A zero-current photovoltaic string branch automatic alarm method and system

PendingCN122456979AEffective powerBusbar
The application discloses a zero-current photovoltaic string branch automatic alarm method and system, the method comprises the following steps: collecting the direct-current data of each photovoltaic string branch under each busbar box, and synchronously collecting the corresponding inverter output power data, busbar identification data, branch number data and branch maintenance state data; uploading the collected data to the power monitoring background and establishing a string branch real-time monitoring database; determining the effective power generation working condition based on the comparison result of the inverter output power and the preset power generation power threshold; performing zero-current screening on the branch in the effective power generation working condition, and performing carding shielding determination in combination with the branch maintenance state; performing fault positioning on the zero-current fault candidate branch; triggering alarm output according to the positioning result, and generating zero-current alarm information of the corresponding branch. The application can realize automatic identification, accurate positioning and hierarchical alarm of the zero-current fault branch, and is suitable for large photovoltaic power station operation monitoring scenes.
Owner:INNER MONGOLIA DATANG INT RENEWABLE RESOURCES DEV

Grid connection control methods and systems for distributed photovoltaic power stations

This invention provides a grid-connected control method and system for a distributed photovoltaic (PV) power station. It includes: acquiring the electricity consumption of an electrical device; acquiring the effective power of the PV power station; when the effective power is greater than the electricity consumption, using the PV power station to supply power to the electrical device; and when the effective power is less than the electricity consumption, connecting the PV power station to the grid and using mains power to supply power to the electrical device. Because the effective power of the PV power station can be acquired, and power is supplied to the electrical device only when the effective power exceeds the electricity consumption, and otherwise using mains power, the power supply equipment for the electrical device is a single device, preventing the simultaneous use of two power supply devices, reducing the complexity of power supply control, improving power supply stability, and reducing power supply costs.
Owner:HENAN HUAMU TONGTU NEW ENERGY TECH CO LTD

Mountain photovoltaic module energy efficiency evaluation method and system based on spatiotemporal heterogeneity trend and related device

The present invention provides a method, system, and related apparatus for evaluating the energy efficiency of photovoltaic modules in mountainous areas based on spatiotemporal heterogeneous conditions, comprising the following steps: Step 1, calculating the module power generation efficiency coefficient and the string power generation corresponding to a single inverter due to the consistency factor of photovoltaic string module installation; Step 2, obtaining the maximum effective power generation per unit installed capacity and the second-level active power of the string corresponding to the maximum power generation; Step 3, obtaining the actual power generation of the string corresponding to a single inverter for energy efficiency evaluation; Step 4, calculating the theoretical power generation of the string for energy efficiency evaluation; Step 5, calculating the ratio between the actual power generation of the string for energy efficiency evaluation and the theoretical power generation of the string for energy efficiency evaluation, and using it as the module energy efficiency evaluation index; The present invention effectively solves the problems of inconsistent module installation and uneven spatial distribution of irradiance caused by mountainous terrain, and significantly improves the accuracy and reliability of module energy efficiency evaluation.
Owner:XIAN THERMAL POWER RES INST CO LTD

Tricycle motor cover

The utility model discloses a tricycle motor cover, and relates to the technical field of motor covers. An outer plate is arranged at the top end of the cover body, a plurality of reinforcing blocks are evenly and fixedly connected to the outer plate and the cover body along the circumferential side face, a shaft passing hole is formed in the middle of the cover body and penetrates through the cover body and the outer plate, at least four locking holes are evenly formed in the cover body along the circumferential side face, and a shaft fixing barrel is fixedly connected to the middle of the inner side of the cover body. A plurality of reinforcing strips are arranged between the fixed shaft barrel and the cover body, a positioning ring is arranged on one side of the cover body, and two constant pressure strip openings are formed in the positioning ring. According to the utility model, the strength structure, the connection tightness and the connection stability of the motor cover are improved, and the connection tightness of the motor cover and the shell is effectively improved, so that the end cover is prevented from vibrating at different frequencies relative to the shell when the motor vibrates; the functions of improving the structural stability of the motor shell and assisting in improving the effective operation power of the motor are achieved.
Owner:TAIZHOU BOZHOU MASCH CO LTD

Photovoltaic power station energy management and power prediction integrated platform and data processing method

This invention relates to the field of photovoltaic data prediction technology, specifically disclosing an integrated platform and data processing method for photovoltaic power plant energy management and power prediction. By acquiring the discrete-time series of photovoltaic power output from the platform and the platform's low-frequency sampling period, while simultaneously extracting the high-frequency disturbance period from the inverter control logic, the theoretical aliasing center frequency is calculated. The system can accurately determine the anchoring point of aliasing artifacts in the spectrum. Subsequently, by constructing a variational mode decomposition model, the power sequence is decomposed into multi-mode functions. Based on the center frequency matching, candidate aliasing artifact data with the smallest difference is extracted, and their permutation entropy is calculated. By subtracting these artifact data and analyzing the Pearson correlation of the remaining signal, the model dynamically adjusts to find the true signal, ensuring that only effective power change data is extracted, and ultimately outputting high-precision photovoltaic power prediction, improving the safety and economy of grid dispatch.
Owner:BEIJING NANTIAN ZHILIAN INFORMATION TECH CO LTD

Instruction generating device and instruction generating method in a plurality of power generation systems

A processing section of an instruction generating device provided separately from a general inverter performs the following processing. A rotation calculating section calculates a value related to rotation of a rotor of a virtual generator when the virtual generator is driven in accordance with a rotor model that calculates a value related to rotation of the rotor of the virtual generator based on simulation of driving the virtual generator and an effective power command. A target determining section determines a target value of a voltage frequency and a target value of an effective power based on the calculated value related to rotation. An instruction generating section generates a control command for the inverter based on the determined target value of the voltage frequency and the target value of the effective power. A time constant related to a synchronous force of the rotor model and a time constant related to a synchronous force of the alternator are identical.
Owner:MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD

Starting control method of refrigeration equipment and refrigeration equipment

The invention discloses a refrigeration equipment starting control method and refrigeration equipment, the refrigeration equipment comprises a compressor, an energy storage power supply, a control module and an equipment door, the energy storage power supply is connected with the compressor and the control module, and the control module comprises a timer, a detection module and a main controller. According to the compressor starting method and device, the preset duration is set, whether the preset starting condition is met or not is judged according to the detection information, and only when the preset duration is reached and the preset starting condition is met, the energy storage power source supplies power to the compressor so as to start the compressor; on the premise that food is safe and fresh-keeping is guaranteed, the starting time of refrigeration of the compressor can be delayed to the maximum extent, starting according to needs is achieved, unnecessary electric energy consumption of the energy storage power supply under the conditions of instantaneous power failure and short-time power failure is effectively avoided, the effective power supply time of the energy storage power supply is prolonged under the condition of long-time mains supply power failure, and the service life of the energy storage power supply is prolonged. Therefore, the fresh-keeping time of the refrigeration equipment is prolonged.
Owner:SHENZHEN HELLO TECH ENERGY CO LTD

Large-capacity dry-type transformer with variable load

The invention discloses a load-variable large-capacity dry-type transformer which comprises three main iron core columns arranged in parallel, the two ends of all the main iron core columns are jointly connected with a main iron yoke, the outer sides of the main iron core columns are sleeved with low-voltage windings, the outer sides of the low-voltage windings are sleeved with high-voltage windings, the main iron core columns and the main iron yoke are connected in a hinged mode, and the high-voltage windings are connected with the main iron yoke in a hinged mode. The main iron core columns can rotate relative to the main iron yoke. The split type iron yoke hinge system is adopted, each group of main iron core columns are connected with the top iron yoke through the universal bearings, so that 0-30-degree dip angle adjustment is supported, and when the load changes, the magnetic circuit coupling degree between the main iron core columns is changed by driving the dip angles of the iron core columns. According to the technical scheme, the no-load rate of the large-capacity dry-type transformer can be reduced when the large-capacity dry-type transformer deals with different loads, so that the large-capacity dry-type transformer adapts to changes of more load end requirements, the operation applicability and stability are improved, and the effective power efficiency is improved.
Owner:SHENZHEN YIXING WENDA ELECTRONICS CO LTD

Design method, device and medium of self-optimizing droop control strategy

A design method, device, equipment and medium of a self-optimizing droop control strategy are disclosed. The features include: obtaining operation parameters and power parameters of a distributed generator set, constructing a multi-objective optimization function according to the operation parameters and the power parameters; determining an optimal operation condition according to the multi-objective optimization function; and designing a self-optimizing droop control strategy for a target droop controller according to the optimal operation condition. By setting the control strategy of the self-optimizing droop controller, optimal distribution of active power and reactive power can be achieved, the accuracy of the distribution of active power and reactive power is improved, the droop controller achieves optimal control in terms of operation cost and effective power, and the distributed generator set of the micro-grid can maintain the optimal operation condition under different load conditions.
Owner:SUQIAN POWER SUPPLY COMPANY OF JIANGSU PROVINCE POWER +2

An additive manufacturing build chamber and additive manufacturing system

The application discloses an additive manufacturing forming bin and an additive manufacturing system, and relates to the technical field of additive manufacturing, aiming to solve the problem of long printing time and reduced printing quality caused by opening the bin for cleaning to avoid laser effective power attenuation caused by pollution during the printing process. The additive manufacturing forming bin comprises a forming bin body, a light-transmitting part, a light-transmitting protective film assembly and a manipulator. The forming bin body comprises a bottom plate, a side wall and a top plate, the bottom plate and the top plate are fixedly arranged at the upper and lower ends of the side wall to form a sealed space, and the top plate is provided with a first through hole. The light-transmitting part is sealingly embedded in the first through hole and is used for transmitting laser above the forming bin body. The light-transmitting protective film assembly is located in the sealed space, the light-transmitting protective film assembly comprises multiple layers of light-transmitting protective films which can be stacked and detached from each other, and the light-transmitting protective film assembly is detachably covered on the lower surface of the light-transmitting part. The manipulator is fixedly arranged in the interior of the forming bin body and is used for detaching the light-transmitting protective film.
Owner:HUATAI AEROSPACE (BEIJING) TECH CO LTD

Relay module

The utility model provides a relay module which comprises more than two relays and a switching circuit, and the more than two relays are divided into a first relay group and a second relay group. The switching circuit comprises a first power supply, a second power supply, a first MOS (Metal Oxide Semiconductor) tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube, a sixth MOS tube, a seventh MOS tube, an eighth MOS tube, a first resistor, a second resistor, a third resistor and a fourth resistor, the first power supply and the second power supply respectively supply power to the two relay groups after being selected, and when both the first power supply and the second power supply are electrified, the first resistor, the second resistor, the third resistor and the fourth resistor are switched on; the two power supplies respectively supply power to the two relay sets, when one power supply is not powered, the other power supply simultaneously supplies power to the two relay sets, and after the power supplies are recovered, the mode that the two power supplies respectively supply power to the two relay sets is automatically switched. Effective power supply of the relay is ensured, and the burden of a single power supply is reduced.
Owner:中盛科技(东莞)有限公司

Light source apparatus and semiconductor test device

PCT designated stageWO2026138754A1Effective powerLight beam
A light source apparatus and a semiconductor test device. The light source apparatus comprises a laser generator, a converging lens, a discharge lamp chamber, a detection module and an adjustment module; the laser generator is used for emitting a laser beam; after passing through the converging lens, the laser beam enters the discharge lamp chamber; under the excitation of the laser beam, plasma in the discharge lamp chamber provides a lighting beam; the detection module is used for acquiring at least one of spatial information of the plasma and the power of the lighting beam, the spatial information comprising the shape, size and position information of the plasma; on the basis of the at least one of the spatial information and the power of the lighting beam, the adjustment module is used for adjusting at least one of the cross-sectional energy distribution of the laser beam and the position of the discharge lamp chamber. When the laser beam acts on the plasma, a better energy conversion rate is achieved, improving the effective power output by the lighting beam radiating from the plasma.
Owner:SHENZHEN SICARRIER IND MACHINES CO LTD

Terahertz effective radiation power high-accuracy measurement technology based on twinborn compensation model

The invention discloses a Terahertz effective radiation power high-accuracy measurement technology based on a twinborn compensation model, and belongs to the technical field of Terahertz power measurement. The Terahertz effective radiation power comprises the following steps: constructing a twinborn compensation model of which other conditions are the same as those of a Terahertz measurement device except that a Terahertz signal is not received, and realizing measurement of thermal radiation noise power such as environment thermal radiation and circuit thermal radiation on time domain distribution; when a terahertz radiation source works, a terahertz power measuring device is used for measuring an overall detection signal containing terahertz effective power signals and thermal radiation noise complex coupling; and through differential processing of the total detection signal and the thermal radiation noise, complex decoupling of the terahertz effective power signal and the thermal radiation noise is realized, so that the terahertz effective radiation power is accurately obtained. Furthermore, corresponding twin compensation models are configured according to different terahertz radiation power measuring devices, so that high-accuracy measurement of the terahertz radiation power by different measuring devices can be realized.
Owner:HARBIN INST OF TECH

Transmitting power control method, device and equipment of microwave ablation needle and medium

The embodiment of the invention discloses a transmitting power control method, device and equipment of a microwave ablation needle and a medium, and belongs to the technical field of microwave ablation. The method comprises the steps that the actual transmitting power and the actual reflecting power of the microwave ablation needle are obtained; based on the actual transmitting power and the actual reflecting power, impedance matching is conducted on the microwave ablation needle in combination with the first corresponding relation, and the actual impedance corresponding to the microwave ablation needle is determined; obtaining ideal effective power of the microwave ablation needle; determining target transmitting power corresponding to the ideal effective power based on the actual impedance in combination with a second corresponding relation; and controlling the actual transmitting power of the microwave ablation needle to be adjusted to the target transmitting power. Impedance real-time detection in the microwave ablation process is achieved, manual-independent automatic control over the transmitting power of the microwave ablation needle is achieved, the treatment effect of the microwave ablation needle is improved, application and development of the microwave ablation needle in the medical field are promoted, and manpower resources are effectively saved.
Owner:SU ZHOU HAI SI LIN KE YI XUE KE JI YOU XIAN GONG SI

Vehicle operation control method and device and vehicle

The invention relates to the technical field of vehicles, in particular to the technical field of vehicle control, in particular to a vehicle operation control method and device and a vehicle, and aims to more effectively distribute power, the method is applied to a hybrid vehicle, and the hybrid vehicle comprises an engine and a drive-engine integrated motor. Comprising the steps that under the condition that a power battery in a vehicle is in a feed state, a power distribution strategy is determined based on the driving demand power of the vehicle; wherein the power distribution strategy comprises first driving power and second driving power distributed by an engine, and third driving power and power generation power distributed by a driving and generating integrated motor; the first driving power and the third driving power are used for driving the vehicle to run; the second driving power is used for driving the driving and generating integrated motor to operate; the generated power is used for charging the power battery; and based on the power distribution strategy, the vehicle operation is controlled, so that the power distribution of the vehicle under the feed condition is improved.
Owner:DEEPAL AUTOMOBILE TECH CO LTD

Power device utilizing buoyancy, power system and application

The invention discloses a power device utilizing buoyancy, a power system and application. The power device comprises a bearing base, a power transmission part and a box. The power transmission part comprises a first transmission assembly, a second transmission assembly, a plurality of buoys and a conveying chain, and clamping grooves matched with the buoys are formed in the first transmission assembly and the second transmission assembly; the power transmission part is located in the box, the first transmission assembly is located on the lower portion of the box, and the second transmission assembly is located on the upper portion of the box. The box body is installed on the bearing base, a liquid storage tank is arranged in the box body, a sealing channel communicated with the liquid storage tank is arranged below the liquid storage tank, one side of each buoy forming an annular shape penetrates through the sealing channel and the liquid storage tank, the buoys are matched with the sealing channel in a sealing mode, and the size of the buoys on the horizontal plane is smaller than the cross section of the liquid storage tank. By means of the innovative system design, continuous and effective power output can be continuously generated through buoyancy, the power device is safe and environmentally friendly, and waste gas, waste heat pollution and greenhouse gas emission are avoided.
Owner:刘宗宝

Solar cell and photovoltaic module

The embodiment of the invention provides a solar cell and a photovoltaic module, the solar cell comprises a crystalline silicon substrate, and the crystalline silicon substrate comprises an effective power generation area and a front groove area arranged around the edge of the crystalline silicon substrate; in the effective power generation area, a boron emitter layer, a front interface passivation layer, a front surface passivation layer and a front electrode are sequentially arranged on the front surface of the crystalline silicon substrate; in the front groove region, the front surface of the crystalline silicon substrate is sequentially provided with a front interface passivation layer and a front surface passivation layer; the width of the front groove area is W1, and W1 is larger than or equal to 50 microns and smaller than or equal to 600 microns, so that the front edge of the solar cell can be effectively passivated, carrier recombination of an edge damage area of the passivated contact solar cell is reduced, and the performance of the passivated contact solar cell is improved.
Owner:TONGWEI SOLAR ENERGY (MEISHAN) CO LTD

Power coordination method for direct current system and direct current system

The application provides a power coordination method of a direct current system and the direct current system. The method comprises the following steps: setting an optimization target and a boundary condition, the optimization target being that an error between a direct current power support value and a direct current power expected value is minimum, and the boundary condition at least comprising a static voltage stability domain constraint condition, the static voltage stability domain constraint condition being a condition that active power injected by a plurality of target nodes into a receiving end alternating current power grid meets; constructing a power optimization model according to the optimization target and the boundary condition; if a generator set N-k fault is detected, determining a power curve of the direct current power support value changing over time by using the power optimization model, and issuing the power curve to a converter station controller to control an actual value of the direct current power to follow the direct current power support value. The application fills a technical blank in the related art that there is no effective power scheduling strategy for a hybrid multi-infeed direct current system when a generator set N-k fault occurs in a receiving end alternating current power grid.
Owner:北京怀柔实验室 +1

Transformer area load cluster voltage stabilization control method and system considering seasonal factors

The invention relates to the technical field of transformer area power distribution control, in particular to a transformer area load cluster voltage stabilization control method and system considering seasonal factors. According to the method, two characteristics of a thermally induced reactive power loss angle and accumulated operation intensity are counted to serve as system bottom layer health state characteristics in a high-temperature season. According to the method, a dynamic response characteristic at a monitoring instruction moment is obtained, the characteristic is a response result that the power system generates abnormity, then causals can be associated, event factor characteristics are constructed to serve as input, overall response characteristics at a future instruction moment serve as output, and response prediction at the future moment at a real-time instruction moment is achieved. According to the method, the change of the dynamic stability margin of the system caused by seasonal thermal stress accumulation and regulation resource performance degradation is sensed in advance, so that a timely and effective power distribution control decision is realized.
Owner:国网黑龙江省电力有限公司齐齐哈尔供电公司 +1

Method and device for predicting power consumption of processor architecture, processor architecture and product

The invention provides a method and device for predicting power consumption of a processor architecture, the processor architecture and a product, and the method comprises the steps that operation event information of the processor architecture is acquired, and the operation event information comprises physical parameters, processor execution action statistical information and processor operation state statistical information in the operation process of the processor architecture; inputting the operation event information into a pre-trained power consumption prediction model to obtain a power consumption prediction result of the processor architecture; wherein the power consumption prediction model is obtained by performing power consumption prediction training based on an operation event information sample of the processor architecture. According to the method, effective power consumption prediction of the processor architecture can be realized, so that the power consumption change of the processor can be known in advance.
Owner:PHYTIUM TECH CO LTD

A server low-power memory dynamic energy efficiency control method and system

PendingCN122633008ATerm memoryMemory load
The application discloses a kind of server low-power memory dynamic energy efficiency control method and system, belong to server storage technical field.The application is by collecting the running state data corresponding to each storage unit of server memory, generates the memory load prediction result in the set time range, simultaneously completes the hierarchical processing of memory storage data, based on load prediction result and hierarchical storage data matching and switches memory power supply operating mode, adjusts the refresh cycle of corresponding memory storage unit, again in combination with memory chip temperature data and the current effective power supply operating mode adjusts heat dissipation system operating parameter, completes the collaborative control of memory power consumption and heat dissipation.The application can realize energy efficiency dynamic optimization while guaranteeing the continuity of memory read-write operation, reduce the invalid energy consumption in the whole operation cycle of memory, avoid the performance decline caused by temperature fluctuation, improve the stability and energy efficiency level of memory operation.
Owner:四川华鲲振宇智能科技有限责任公司