48 results about "Basic power supply" patented technology

The invention discloses a source-grid-load-storage integrated multi-time-scale scheduling method and system, and solves the scheduling problem caused by unstable wind power and photovoltaic power generation. Firstly, a probability model of wind power and load is established according to weather prediction and historical data, and a preliminary plan of thermal power starting and stopping, energy storage charging and discharging and user electricity utilization excitation is made one day in advance; then, the unit output and demand response scheme is adjusted in a rolling mode every four hours according to the newest weather and electricity consumption prediction; and finally, power generation and energy storage equipment is finely adjusted in real time according to the power grid state, and quick response load resources are started. The whole process adopts a simplified power grid power flow model for coordinated calculation, and through energy storage adjustment and flexible power utilization of a user side, the stability of a power grid is ensured, and wind energy and solar energy are utilized to the maximum extent. Dispatching of different time scales is linked layer by layer, thermal power is responsible for basic power supply, new energy is preferentially used, energy storage and adjustable loads are matched to fill fluctuation, and finally efficient absorption of clean energy and economical and safe operation of a power grid are achieved.

The invention relates to the technical field of new energy automobiles, in particular to a low-voltage battery charging method and system, a controller and an automobile. In the silent state of the automobile, a VCU control system accurately closes unnecessary peripherals through a low-power-consumption monitoring mode, only basic power supply of a communication module is maintained, and the power consumption of the VCU control system is reduced; quiescent current consumption is obviously reduced to delay the self-discharge rate of the low-voltage storage battery; when it is detected that the voltage of the low-voltage battery is lower than a threshold value, the system automatically activates the high-voltage power battery to conduct directional charging on the low-voltage system, service life attenuation caused by over-discharge of the low-voltage storage battery is avoided, and it is ensured that a key control module of the vehicle always has basic working electric energy; through sequential control of the preset charging period, excessive energy consumption of the high-voltage battery is prevented while charging sufficiency is guaranteed, dynamic energy balance of the high-voltage-low-voltage battery pack is formed, and the reliability of a new energy automobile in a long-term parking scene and the use convenience of a user are remarkably improved.

1. The name of the design product: intelligent tool box (middle box). 2. The use of the design product: the design product is used for the personnel of power grid basic power supply to install meter and connect electricity, check electricity and patrol line, etc. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The invention relates to the technical field of power supply of wind power detection equipment, in particular to a multi-mode power supply device for wind power blade detection equipment. And the power supply assembly comprises a wind power storage bin, and the wind power storage bin is fixedly connected to the top of the device bottom plate. According to the multi-mode power supply device of the wind power blade detection equipment and the use method, by installing the power supply assembly, the wind power storage bin can serve as a core energy storage module to be fixed to the top of the bottom plate of the device and is specially used for bearing and storing wind energy input by external wind power generation equipment through a wind power charging hole and converting the wind energy into electric energy; basic power supply support is provided for the wind power blade detection equipment, electric energy converted by the solar panel is accurately conveyed to the wind power storage bin or the standby storage bin through the power storage wire for classified storage, and a multi-mode power supply guarantee system with dual-energy complementation, efficient collection and stable storage is constructed for the wind power blade detection equipment; and thus, the continuous power utilization requirements of the equipment in different environments are met.

The application discloses a power meter over-capacity burning prediction method based on a multi-dimension weighted clustering algorithm, which comprises the following steps: S1, obtaining meter information through an information table of an electric energy meter; S2, obtaining load data of a historical period time of a user through a power load data table; and S3, for the load data in the warehouse, users with a preset number of continuous points or more within a day are over-capacity users, and multi-dimension weighted clustering calculation is performed on the over-capacity users. The power meter over-capacity burning prediction method based on the multi-dimension weighted clustering algorithm considers the over-capacity multiple of the power meter, continuity, heating condition, weather and power consumption change to give a quantitative over-capacity burning risk evaluation; a basic power supply station can replace the meter according to the output data or received short messages, and can replace a suitable meter according to actual needs, so that the meter burning is prevented from occurring, and the equipment utilization is improved.

The invention discloses a satellite-borne computer device based on a D2000V processor, and belongs to the technical field of satellites. Comprising a processor module, a control module, a storage module, a power module and an external interface module. The processor module adopts a Feiteng D2000V processor to form a minimum hardware system for CPU (Central Processing Unit) operation of the processor; the control module adopts an anti-fuse type or Flash type FPGA (Field Programmable Gate Array) to realize a control management function, and mainly comprises health management functions such as remote control and telemetering information processing, program reconstruction management function, storage channel selection, CPU (Central Processing Unit) start control, CPU on-orbit operation state management, fault diagnosis and the like; the storage module realizes a program storage function of the processor and adopts a multi-redundancy physical backup form, the power supply module realizes input power supply conversion and provides a basic power supply function for the spaceborne computer device, and the external interface module realizes external information interaction of the spaceborne computer device. The reconstruction scheme is flexible, the integration level is high, external interfaces are rich, the space environment adaptability is high, and various satellite processing load requirements are met.

The present application relates to the technical field of power system, and especially relates to a power grid operation safety analysis method based on multi-source data fusion and big data. The power grid operation safety analysis method based on multi-source data fusion and big data comprises the following steps: S1: collecting power distribution network topology structure data and power distribution network region data, dividing basic power supply units based on power distribution network topology nodes based on the power distribution network topology structure data and the power distribution network region data, and generating a power distribution network power supply diagram; S2: clustering behavior patterns according to the power distribution network power supply diagram and historical mobile signaling data to obtain user group distribution of each basic power supply unit; and S3: analyzing historical power consumption data according to weather, time period and date type to obtain basic power consumption parameters of user groups. The present application can generate early warning results with clear positioning information by combining the power consumption habits of users, and prevent overload or fault diffusion.

The invention discloses a power grid system new energy consumption capability early warning method and system, and the method comprises the steps: marking a power monitoring time period, and obtaining the calibration data of a power grid system; and acquiring power environment monitoring data corresponding to each power monitoring sub-region to obtain power supply monitoring basic data. And obtaining power period analysis data, and carrying out power grid consumption capability early warning. By monitoring the power data of different power sub-regions in a plurality of historical power monitoring periods, balance analysis is carried out on the power supply amount and the power consumption amount of the power sub-regions in the power monitoring periods, and the consumption capability early warning is carried out according to the analysis result, so that the foreseeability of the early warning result is improved, and the early warning efficiency is improved. And the application value of the early warning result is ensured. According to the method, the wind power monitoring coefficient, the solar energy monitoring coefficient and the temperature monitoring coefficient of the power sub-region in different time periods are analyzed to carry out power grid consumption early warning, and the accuracy of an early warning result can be effectively ensured.

The invention provides a photo-thermal steam circulation and gas turbine steam circulation combined power generation system and method.The photo-thermal steam circulation and gas turbine steam circulation combined power generation system comprises a solar heat collection device, a gas turbine, a boiler, a steam box, a steam turbine, a circulation water tank and a power generator; the boiler is connected with the steam turbine through the steam box so as to convey steam to the steam turbine, the steam turbine is connected with the circulating water tank so as to recycle the steam, and the steam turbine is connected with the generator so as to drive the generator to generate electricity. According to the power generation system, a solar energy and natural gas dual-energy system is combined, on one hand, basic power supply is guaranteed through natural gas, a clean energy-solar power generation system is additionally arranged on the basis of the natural gas, the power generation efficiency is improved, and the power utilization requirement is effectively guaranteed;

The application provides a timing control system and a control method thereof, and a display device, and relates to the technical field of display, and is used for solving the problem that the timing of power-on and power-off work between each driving chip in a display product is difficult to control, the driving chip is in an uncertain state, charge residues are generated on the display panel, and the picture flickers or is abnormally displayed. In the timing control system, a control circuit provides control information to an enabling circuit and provides a basic power supply signal to a power management circuit; the enabling circuit outputs a power supply enabling signal to the power management circuit and outputs a corresponding controlled enabling signal to a controlled circuit under the control of the control information; the power management circuit enters a standby state or a working state under the control of the power supply enabling signal, and can generate a target power supply signal according to the basic power supply signal in the working state; and the controlled circuit enters the standby state or the working state under the control of the controlled enabling signal and the target power supply signal.

The invention belongs to the technical field of power supply insurance, and particularly relates to a power supply insurance method based on load coordinated regulation and control, which comprises the following steps: acquiring a main power grid supply insurance level and a main power grid load regulation and control capacity; generating regional power grid load regulation and control capacity according to the supply insurance level of the main power grid and the load regulation and control capacity of the main power grid; formulating a basic power supply insurance scheme according to the regional power grid load regulation and control capacity; constructing an intra-day time sequence correlation scene, and performing risk prediction on the power insurance and supply basic scheme to obtain a risk index; checking the basic power supply insurance scheme according to the risk index; if the verification is not passed, correcting the basic power supply insurance scheme according to the risk index to obtain a corrected power supply insurance scheme as a final basic power supply insurance scheme; and when the verification is passed, a final power supply insurance basic scheme is obtained. The flexibility of power grid operation is improved, and the power utilization service level of the power grid during the power supply guarantee period is improved.

The present invention relates to a method for calculating the consumable capacity of distributed photovoltaic power in a distribution network and optimizing the energy storage configuration, which includes the following steps: obtaining the annual load electricity consumption and distributed photovoltaic power output data of each basic power supply area, including high-voltage substations, medium-voltage feeders, and low-voltage distribution areas; determining the photovoltaic accessible capacity of high-voltage substations, the photovoltaic accessible capacity of feeders connected to substations, and the photovoltaic accessible capacity of low-voltage distribution areas connected to feeders according to the obtained data; obtaining the energy storage configuration capacity of the basic power supply area; The method for calculating the consumable capacity of distributed photovoltaic power in a distribution network and optimizing the energy storage configuration of the present invention can better study the distributed photovoltaic power consumption level of the distribution network.

1. The name of the design product: intelligent tool box (big box). 2. The use of the design product: the design product is used for the personnel of power grid basic power supply to install meter and connect electricity, check electricity and patrol line, etc. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The application provides a module unit for a satellite, comprising a shell, at least one standard interface and a management module. The standard interface is arranged on the surface and comprises a power transmission interface for providing power transmission, a communication module for realizing data interaction and communication, and a magnetic attraction module for realizing physical connection between different module units. The management module is arranged in the interior of the shell and comprises a node self-identification chip communicatively connected with the power transmission interface, which is used for identifying other module units connected with the module unit, a wireless module used for transmitting backup data in each module unit, a lithium battery module electrically connected with the magnetic attraction module, a power management module used for providing basic power supply for the module unit, a power source management module used for managing power source use of the module unit and providing 5V internal power, and an electromagnetic unlocking module communicatively connected with the magnetic attraction module and used for managing the magnetic attraction module of each standard interface of the module unit.

The invention relates to the technical field of power systems, in particular to a power grid operation safety analysis method based on multi-source data fusion and big data. The invention discloses a power grid operation safety analysis method based on multi-source data fusion and big data, and the method comprises the following steps: S1, collecting power distribution network topological structure data and power distribution network region data, dividing basic power supply units based on the power distribution network topological structure data and the power distribution network region data by taking a power distribution network topological node as a basis, and generating a power distribution network power supply diagram; s2, behavior pattern clustering is carried out according to the power distribution network power supply diagram and historical mobile signaling data, and user group distribution of all basic power supply units is obtained; and S3, according to the historical power consumption data, analysis is carried out according to weather, time periods and date types, and basic power consumption parameters of the user group are obtained. According to the invention, the early warning result with clear positioning information can be generated in combination with the power utilization habit of the user, and overload or fault diffusion is prevented.

A ring oscillator disclosed by the present invention comprises a power supply and tuning unit and a ring oscillation unit, the input end of the power supply and tuning unit is connected with a power supply signal, and the modulation power supply output end of the power supply and tuning unit is electrically connected with the power supply input end of the ring oscillation unit. The signal output end of the annular oscillation unit outputs a differential clock signal, and the power supply and tuning unit is used for outputting a corresponding bias current according to a tuning control signal, so that the frequency tuning of the annular oscillation unit is realized. Broadband coverage is achieved through discrete digital tuning control signals of the coarse tuning subunit, fine tuning is achieved in combination with analog tuning voltage signals of the fine tuning subunit, the linear limitation of traditional load tuning is broken through, and the tuning range is expanded; constant bias current is provided through the basic power supply sub-unit, and the coarse adjustment sub-unit and the fine adjustment sub-unit are connected in parallel with supplementary current as required, so that static power consumption waste caused by fixed bias current in a traditional structure is avoided, and dynamic power consumption management is realized.

This invention discloses a method and system for power planning and allocation in receiving provinces that considers uncertainties. The method includes: formulating a basic power supply plan; constructing a probabilistic scenario set of annual hydropower utilization hours based on historical water inflow data; setting green and low-carbon targets and calculating the inter-provincial renewable electricity volume required to meet the renewable energy consumption responsibility weight under different scenarios; establishing an inter-provincial transaction cost model to calculate the cost per kilowatt-hour and total transaction cost for each scenario; constructing a system annual operating cost model to obtain the total system cost under each scenario and then averaging it to obtain the expected total cost; and iteratively optimizing the installed capacity of new energy sources with a fixed increment until convergence, outputting the economically optimal solution. This invention achieves a coordinated balance between the economy, greenness, and security of power allocation by probabilistically handling hydropower uncertainties and introducing inter-provincial green electricity trading as an optimization variable.

This application relates to the field of power switching technology, and discloses a firmware-controlled peripheral interface power adaptive switching system and method. The method involves: upon detecting a peripheral connection, providing a basic power supply voltage to the peripheral and initializing the UART serial communication interface; sending a model query command to the peripheral and extracting the peripheral model identifier string from the response frame to generate a relay control command; controlling a Darlington transistor array driver chip to drive the coil of a double-pole double-throw relay, switching the connection state of the relay's common terminal contact, and reading the voltage and current measurements of the peripheral; calculating the peripheral's power value, and encapsulating the power value and power supply mode status into a status data packet and transmitting it to the peripheral management software. This application transforms power supply configuration from hardware mechanical operation to firmware intelligent control, realizing plug-and-play, zero-error configuration, and visual management of peripheral power supply, reducing production costs and maintenance difficulty, and improving the intelligence level of peripheral interface power management.

1. The name of the design product: height and distance measuring infrared thermal imager. 2. The use of the design product: the design product is used for power grid basic power supply personnel to go out for line patrol and electricity inspection work. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The present invention relates to an apparatus and a method for performing wireless power transmission on the basis of foreign material detection. The present specification provides a wireless power reception apparatus comprising: a power pick-up unit configured to receive wireless power from a wireless power transmission apparatus by magnetic coupling with the wireless power transmission apparatus and convert an AC signal generated by the wireless power into a DC signal; a communication / control unit configured to receive the DC signal from the power pick-up unit and control the wireless power; and a load configured to receive the DC signal from the power pick-up unit. When foreign material is detected before power transmission, wireless power transmission is sustained on the basis of a safe basic power profile of 5 W or less, without interrupting power transmission, and thus, a charging delay can be prevented and the accuracy and reliability of detection of foreign material can be increased despite individual characteristics of the wireless power reception apparatus.

The invention relates to the technical field of electric power business expansion, in particular to a business expansion power supply scheme generation method and device based on artificial intelligence and electronic equipment, and the method comprises the steps: obtaining a business expansion power supply application text input by a user, and carrying out the text recognition processing of the business expansion power supply application text to obtain power supply scheme basic data; reasoning and verifying the basic data of the business expansion power supply scheme based on the industry specification, generating a basic power supply scheme, and obtaining a preliminary power supply scheme based on the power supply scheme optimization model; and obtaining feedback of the user on the preliminary power supply scheme, and introducing a reward mechanism and a near-end strategy optimization algorithm to re-optimize the preliminary power supply scheme. On the basis of text recognition and machine learning, a preliminary power supply scheme is generated in combination with industry rules, then user feedback is collected, a reward mechanism and a near-end strategy optimization algorithm are introduced to optimize the preliminary power supply scheme again, and a standardized and economical final power supply scheme meeting user preferences is output. The reliability of the power supply scheme can be improved, and the user satisfaction can be improved.

The invention relates to a power supply device (10) for an electric furnace (11), comprising at least one basic power supply module (20, 20A, 20B) having a first sub-module (21), a second sub-module (22) and a third sub-module (23), which are connected at inputs to a three-phase network (13) by means of respective transformers (24, 25, 26), respectively, and at an output, connected to a three-phase power supply line (32) configured to supply power to one or more electrodes (16) of the electric furnace (11).

The invention discloses a locking type power line plug, belongs to the technical field of power plugs, and aims to solve the problems that a traditional plug is easy to fall off and insufficient in expansibility. The plug is composed of a first plug, a second plug, a fixing assembly and a driving mechanism, the first plug is combined with an upper cover through a lower cover to form a main body structure, and three groups of insertion strips are arranged at the bottom and matched with a standard three-hole socket. The fixing assembly comprises a sleeve rod and an elastic expansion portion, the driving mechanism drives the insertion rod to move through the sliding column, radial expansion is achieved through cooperation of a ball head structure and an inclined face of the expansion portion, and the outer wall of the sleeve rod is tightly attached to a socket fixing hole to form mechanical locking. The expansion interface is arranged on the side wall of the plug, the second plug is connected with the built-in conductive seat through the double insertion strips, the driving mechanism synchronously controls the wedge-shaped block and the elastic buckle to act, and the wedge-shaped block pushes the conductive elastic sheet to clamp the insertion strips. According to the invention, the locking mechanism is controlled to act through the lever-type operating part, so that the basic power supply stability is ensured, an extensible interface is provided, and dual mechanical anti-drop is realized.

The utility model belongs to battery technical field discloses a kind of split type power battery pack, including main box and auxiliary box, the main box and the auxiliary box are equipped with battery compartment and compartment cover, the main box and the auxiliary box are equipped with battery communication interface and series connection interface, the main box is equipped with battery positive output interface, and the auxiliary box is equipped with battery negative output interface;The auxiliary box inside is equipped with auxiliary box electrical group, the main box inside is equipped with main box electrical group, the auxiliary box electrical group and the main box electrical group are connected with the battery compartment circuit of each itself, adopt the structure design of the utility model, split type design, when one of main box and auxiliary box appears problem, by another box body conversion carries out low power supply, realizes some basic power supply;Adopt the structure design of the utility model, can be applicable to due to space restriction, cannot be used in the occasion that battery pack is made into a whole.

The invention discloses a power supply operation and maintenance optimization and allocation method and system considering reverse discharge of an electric inspection vehicle, and the method comprises the steps: firstly building a power supply operation and maintenance optimization and allocation model of a power distribution network based on a single-radiation structure net rack of a C-type power supply region and a D-type power supply region, considering the application of the electric inspection vehicle with the reverse discharge capability, and taking the minimization of the comprehensive power supply guarantee cost as a target; and solving power supply operation and maintenance optimization allocation of the power distribution network to obtain distribution points of power supply stations, vehicle configuration and allocation schemes of power supply operation and maintenance personnel in the C and D type power supply area single radiation structure grid structures. On one hand, the electric inspection vehicle has the reverse discharge capability, temporary power support is carried out on the transformer area during maintenance or fault repair, the basic power supply requirement is ensured, and the power supply reliability is improved; and on the other hand, deployment of the power supply operation and maintenance personnel and the electric inspection vehicle is optimized, the working efficiency can be effectively improved, and the vehicle modification cost of the electric inspection vehicle is reduced.

This invention discloses an outdoor lighting waterproof distribution system based on a waterproof base. The system uses a waterproof base (1) as its core structure, with a PCB distribution board (3) installed inside its cavity. Electrical connection points are completely sealed using a power mainline potting compound (9), forming an integrated waterproof distribution body. The PCB distribution board has an input connection part and multiple output connection parts; the power mainline (6) and parallel leads (7) are connected to the corresponding connection parts by welding or plugging. The parallel leads (7) are led out through a distribution lead-out shell (14) and waterproof insulating glue is injected through the parallel lead glue injection hole (12). After curing, a parallel lead potting compound (13) is formed, achieving a waterproof seal at the outlet. This invention provides a highly reliable basic power supply connection platform for outdoor lighting through modularization and dual potting processes.

The invention discloses a VSC DC power supply system small signal stability analysis method and system, and belongs to the field of DC power transmission. A power supply basic structure of a VSC direct current power supply system is determined; constructing a stability analysis module based on an impedance equivalent model by performing impedance modeling and simplified equivalence based on a power supply basic structure; performing power supply data sampling, judging a power supply scene, performing power supply stability evaluation in combination with the impedance equivalent model, and determining a system stability coefficient. According to the method, the technical problem that the stability analysis efficiency and accuracy are insufficient when an existing direct current power supply system faces complex loads and operation conditions is solved, and the technical effect of improving the stability evaluation precision and efficiency of the VSC direct current power supply system through impedance modeling and small signal analysis is achieved.

The application discloses a power supply system of a fuel cell coupled with a flow battery and a running control method thereof. The power supply system comprises a basic power supply unit, an energy storage peak shaving unit, a renewable energy power generation unit, an electrolytic hydrogen production unit, a hydrogen storage unit, a first-level waste heat recycling unit, a second-level waste heat recycling unit and a heat storage unit. The basic power supply unit is used for providing a basic power load of a target building group; the energy storage peak shaving unit is used for providing a fluctuating power load of the target building group; the first-level waste heat recycling unit receives first-level waste heat generated by fuel cell power generation and is used for indoor heating or indoor refrigeration; and the second-level waste heat recycling unit directly receives the first-level waste heat or second-level waste heat from the first-level waste heat recycling unit and is used for preheating electrolytic water and / or the hydrogen storage unit. The application has the advantages that the first-level waste heat recycling unit and the second-level waste heat recycling unit are arranged, the waste heat is used in multiple levels according to the demand, and the waste heat utilization rate is high.

The invention discloses a cellular electricity meter access management device applied to a grass-roots power supply station, which relates to the technical field of electricity meter management and comprises a frame unit, an electricity meter mounting unit and a code scanning unit. The frame unit comprises a unit bottom plate, a frame assembly arranged on the unit bottom plate and a connecting assembly arranged on the frame assembly; and the electric meter mounting unit comprises a clamping assembly arranged on the connecting assembly, an electric meter mounting assembly detachably arranged on the clamping assembly, and an electric meter arranged on the electric meter mounting assembly. According to the honeycomb type electricity meter access management device applied to the base-level power supply station, the frame units and the electricity meter installation units are arranged, and the detachable connection among the multiple sets of frame units is utilized, so that an electricity meter storage framework is rapidly deployed in a lightweight mode, and the electricity meter access management device can meet the requirement for flexible installation and placement of storage shelves of an existing power supply station; and a code scanning unit is arranged, so that a mode of convenient inventory management of basic-level electricity meter management is realized.

The utility model discloses multi-path laser light source equipment, and belongs to the technical field of laser light sources. Multi-path laser light source equipment comprises a basic power supply box and a plurality of laser generators, the laser generators are mounted above the basic power supply box, the basic power supply box comprises a metal shell, a mounting sliding groove is formed in the top of the metal shell, locking grooves are formed in the two ends of the mounting sliding groove, and the locking grooves are matched with the mounting sliding groove. And a plurality of power-on slots are formed in the outer surface of the mounting chute. In order to solve the problems that most of existing laser light sources are of a single-path light source structure, multi-path light sources can be used only by additionally arranging light source equipment, the light source equipment cannot be expanded for use, and certain limitation exists, a plurality of laser generators can be installed above a basic power supply box at the same time for expanded use; therefore, the method adapts to different use scenes.