56results about How to "Reduce power supply pressure" patented technology

The invention discloses a laser radar. The laser radar disclosed by the invention comprises: a main shaft, a radar rotor, an upper cabin plate, a top cover and a base; the upper cabin plate is fixedlyarranged with respect to the radar rotor, and the upper cabin plate is relatively closer to the base in the axial direction of the laser radar and is further away from the top cover; and the main shaft is arranged to be vertical to the base and is located between the upper cabin plate and the base. The laser radar disclosed by the invention can shorten the wiring of each module, and is convenientto install and maintain, and the mechanical reliability of the laser radar is improved.

The invention relates to a system for the echelon utilization of a whole pack of waste storage batteries in a storage and charging station and a control method, and belongs to the field of waste powerstorage battery echelon utilization. Aiming at the problem that an existing charging station cannot meet the charging requirement and urgently needs to achieve the dynamic capacity expansion, according to the technical scheme, the system for the echelon utilization of the whole pack of waste storage batteries in the storage and charging station comprises a charging unit, an energy control system,a power control module, an energy storage converter module, bidirectional DC / DC modules and heterogeneous waste power storage battery packs. Each heterogeneous waste power storage battery pack is provided with one bidirectional DC / DC module, and the bidirectional DC / DC module is used for adjusting the output voltage of the heterogeneous waste power storage battery pack connected with the bidirectional DC / DC module, so that each heterogeneous waste power storage battery pack obtains the same output voltage. The energy storage converter module is connected with the charging unit in parallel. The control method utilizing the above system comprises a charging control method and a discharging control method, and can achieve the purpose of realizing the dynamic capacity expansion of the charging station by utilizing the waste storage batteries.

The invention provides an energy-saving AC and DC integrated charging pile. The energy-saving AC and DC integrated charging pile includes a control module, a grid power source, a rectifier module, a dual battery pack and a solar module, wherein the control module is connected with the grid power source, the dual battery pack, the solar module, an AC power device and a DC power device for controlling an operational state, the grid power source is connected with the control module, the rectifier module and the AC power device to supply power, the dual battery pack is connected with the DC powerdevice and the inverter module and is used for providing a backup power source, the dual battery pack is connected with the DC power device to provide the backup power source, and the dual battery pack is connected with the inverter module to change the DC power into the AC power. The energy-saving AC and DC integrated charging pile is advantaged in that the solar module can well realize that a solar panel receives the solar light vertically, receives the sunlight to the maximum degree, improves the thermal energy conversion rate and saves energy.

The invention relates to the technical field of pulse solid-state power amplifiers, and provides a pulse solid-state power amplifier and a design method specific to the problems in the prior art. A microwave power transistor grid feedback network and a drain feedback network are improved, so that the contradiction between pulse response time and power supply efficiency in an existing pulse power amplification technology is eliminated, and a nanosecond pulse rising edge is realized under relatively high efficiency. The drain feedback network is an n-level pi-type network; an nth-level pi-type network comprises an nth capacitor and an nth inductor; a grid voltage temperature compensation circuit is connected with one input end of an input impedance matching network through the grid feedback network; a radio-frequency signal is input into the other input end of the input impedance matching network; an output end of the input impedance matching network is connected with a microwave power transistor grid; the microwave power transistor grid is connected with one input end of an output impedance matching network; and a microwave power transistor is biased at a C-type static working point after the radio-frequency signal passes through the input impedance matching network.

The invention relates to four-season uninterrupted air conditioning equipment for user timing starting of cold storage and heat storage. A compressor set, a liquid accumulator and the like form refrigerant circulation; a hot recycle pump, a hot container and the like form heat flow circulation; a cool circulating pump, a cold container and the like form cold flow circulation; a cold container internal thermal exchanger, a cold flow circulating pump and the like form user cold flow circulation; a hot container internal thermal exchanger, a hot flow circulating pump and the like form user hot flow circulation; the hot container, a shield pump and the like form a user open water-consuming system; a hot container pressure switch, a water inlet electromagnetic valve and the like form a hot container water charging system; the cold circulating pump, the cold container and the like form cold flow circulation; the cold container internal thermal exchanger, a cold flow circulating pump and the like form user cold flow circulation. According to the air conditioning equipment disclosed by the invention, heating and refrigeration can be realized just by using one compressor, and heat is not given out to external environment, so that the environment-friendly benefit is obvious; all-day use after one-time starting is realized through heat storage and cold storage; peak seasons of power utilization can be avoided through user timing starting, so that the damage to the compressor caused by low voltage is prevented, and tangible benefits of valley time price are also utilized; the air conditioning equipment is automatically controlled through one-time setting, and runs for a long period of time through one-time starting, so that the trouble of human adjustment is eliminated, and the living quality is promoted.

The invention discloses a central air conditioning machine room control method under energy consumption limit. Firstly, energy consumption limit information is set; after a system receives the energy consumption limit, the system predicts according to an energy consumption limit operating state, and outputs an energy consumption limit answer; within the time from the preprocessing beginning time to the energy consumption limit beginning time, a building is in an energy storage state or a maintenance state; after the energy consumption limit beginning time is reached, the building is in an energy consumption limit state; a total power capable of being distributed at present is calculated; the total power distributed at present is distributed among a central air conditioning unit, a freezing water pump, a cooling water pump and a cooling tower; and after the energy consumption limit beginning time is reached, the cooling water pump, the cooling tower, the freezing water pump and the unit are recovered to a non-energy consumption limit state for operation. The method can control the energy consumption of a central air conditioning system of the building in a limit range to meet the comfort requirements as far as possible; on the one hand, the power supply pressure of a power grid can be relieved; and on the other hand, the influence on the operation of the building is reduced to guarantee ordered operation of economic activities.

The invention discloses a hybrid energy power supply energy-saving street lamp and relates to the technical field of energy saving. The street lamp comprises a ground supporting plate. The top end ofa lamp post is fixedly connected with a rotating device. The two sides of the top end of the rotating device are fixedly connected with fixing and limiting devices correspondingly. The interior of therotating device is fixedly connected with a rotating threaded block. The interior of the rotating threaded block is fixedly connected with an internal connecting thread. The internal connecting thread is in threaded connection with a fixed threaded column through an external connecting thread. The left side of the top end of a supporting table is fixedly connected with a photovoltaic power generation device. The right side of the top end of the supporting table is rotationally connected with a drive rotary shaft. The positions, located at the two sides of the drive rotary shaft, in the top end of the supporting table are fixedly connected with magnetic generators correspondingly. According to the hybrid energy power supply energy-saving street lamp, the purposes that the angle and heightof a solar panel are adjusted, the illuminated area of the solar panel is increased, the power generating capacity is increased, energy saving is achieved, two types of energy sources are used for supplying power, energy diversification is achieved, and street lamp power supply pressure is relieved are achieved.

According to the technical scheme provided by the invention, a resident user multi-objective optimization power utilization strategy based on data mining comprises the steps of obtaining original power utilization data of resident users; extracting a typical daily power consumption curve of the user from the data, and analyzing power consumption characteristics of the user; establishing a multi-target power utilization model based on the power utilization characteristics; solving the multi-target power utilization model by adopting a genetic algorithm to obtain an optimal power utilization strategy which ensures the power utilization comfort of the user and effectively reduces the power utilization peak-valley difference. According to the technical scheme provided by the invention, the peak-valley difference is reduced while the power utilization comfort of a user is effectively ensured, power generation and power utilization tend to be balanced, and the power supply pressure of a power utilization peak is reduced, so that the problems that the power utilization load is continuously increased, the reliable operation of a power grid is greatly influenced and the peak-valley difference is increased are solved.

The invention relates to the technical field of new energy power generation, in particular to a wind-solar complementary power plan deviation dynamic compensation energy storage energy management method. The initial charge quantity of the energy storage system designed based on day-ahead wind-solar power generation power dispatching plan deviation compensation is considered from the effective utilization of the capacity of the energy storage system, and the power deviation is fully compensated under the condition that the residual charge state is sufficient to compensate the plan deviation; when the state of charge is insufficient, the compensation limit is properly relaxed within the planned deviation limiting range by combining the load change trend and the new energy grid-connected power generation standard, and the over-charging and over-discharging condition of the energy storage system is avoided; and when the energy storage system is not enough to compensate the power deviation and the deviation is too large, a standby energy storage equipment switching-in mode is adopted. According to the invention, the constraint of the power grid load change factor and the new energy grid-connected power generation admission standard is fully considered, the accuracy requirement of the power dispatching plan is met, the new energy grid-connected power generation capacity is improved, and stable and reliable operation of the power grid is effectively supported.

The invention relates to a charging system and method for a new energy automobile. The system comprises a dispatching unit and a charging pile, the dispatching unit recommends the charging pile for a user, the charging pile is connected to a power grid and a photovoltaic power generation unit through a main control unit, and the main control unit stores the electric energy of the photovoltaic power generation unit in an energy storage battery pack; and the charging pile is provided with a charging interface connected with an electric vehicle, a main control unit of the charging pile achieves a slow charging mode for the electric vehicle through a bidirectional inversion module, the main control unit of the charging pile is connected to the charging interface through a power conversion unit to achieve a fast charging mode for the electric vehicle, and the main control unit is unidirectionally connected to the power conversion unit through the isolation driving module; According to the charging system provided by the invention, the energy storage type charging pile is adopted, the conventional and rapid charging functions of the AC / DC charging pile are compatible, a large amount of funds invested for power grid transformation are reduced through configuration of the energy storage battery, and the influence of access of a large number of charging piles on the power grid is offset.

The invention discloses a day-ahead energy scheduling algorithm for a wind and light storage micro-grid. The algorithm comprises the following steps: predicting power data and load prediction demand data by using wind and light; planning behavior control and grid connection time period setting through charging and discharging power of an energy storage battery; and designing an energy throughput plan curve of the energy storage battery to ensure that the chargeable and dischargeable capacity of the energy storage battery does not exceed the limit in the daily operation process and the micro-grid load reliably supplies power. Meanwhile, the economic benefit of the micro-grid system and the power supply pressure at the load peak period of the public power grid are considered; the algorithm is combined with the predicted change of the state of charge of the battery to make energy throughput plan correction; and if the total amount of the wind-solar power generation capacity has surplus in the scheduling period, the algorithm comprehensively considers the grid-connected discharge capacity of the energy storage battery according to the surplus electric quantity and the minimum value of the charge state change process, and releases electric energy to the public power grid in the midday and night power utilization peak. New energy utilization is fully considered, normal power supply of the microgrid load is ensured on the premise of healthy work of the energy storage battery, and the power supply pressure of the public power grid is reduced.

The invention discloses a distributed energy storage control method and an energy storage device of the distributed energy storage control method. The energy storage device comprises an energy storage container and an energy storage machine set, wherein the energy storage machine set is connected with the energy storage container through a circulation pipeline. The energy storage machine set is externally connected with a host machine. The host machine comprises at least two refrigerating machines. A control box is arranged at the upper ends of the two refrigerating machines which are connected with the energy storage machine set through energy circulation pipelines. The host machine is arranged in a machine room, wherein multiple energy storage devices are evenly distributed in a building and connected with the host machine through pipelines, the host machine conveys water to each energy storage device through pipelines after cooling the water, and then the water is directly conveyed to each unit in the building through each energy storage device. Due to the fact that energy storage and conveying operation are conducted at night in an electricity utilization trough, electricity consumption in the day time can be reduced, and power supply pressure is lowered.

The invention relates to a refrigeration and power supply device utilizing car exhaust for a car refrigerator. A liquid oxygen spray system is arranged on the top part of a dry ice collector; the other side of the top part of the dry ice collector is connected with a carbon dioxide membrane separator through a connecting pipeline II; the carbon dioxide membrane separator is connected with an air inlet structure; the air inlet structure is connected with an exhaust structure through an exhaust treatment structure; an installation rack is arranged on the bottom part of the dry ice collector; a carbon dioxide dry ice box and an internal power supply are arranged in the installation rack; a controller is arranged on the outer side of the installation rack; the dry ice collector is connected with the carbon dioxide dry ice box through a pipeline; the carbon dioxide membrane separator is connected with an exhaust cabin through a horizontal exhaust pipe; a vortex engine is arranged in the exhaust cabin; a storage battery is connected with the vortex engine and the internal power supply through a connecting wire; the exhaust cabin is connected with a pressurizing barrel through a connecting pipeline I; and the pressurizing barrel is connected with an exhaust funnel through a one-way air valve. According to the refrigeration and power supply device utilizing the car exhaust for the carrefrigerator provided by the invention, an exhaust power generation device is designed by utilizing an exhaust transduction technology and a wind power technology and supplies power to the car refrigerator, so that the fuel utilization ratio is improved, the fuel is saved, and the environmental pollution is reduced.

The invention relates to a power system resource efficient configuration method based on participation of a load aggregator. The method comprises the following steps: clustering and dividing load-side power consumers according to power utilization properties, calculating the difference of various divided power consumers in electric energy demand, providing three clustering power consumer power hungry functions, and designing power price influence factors and a power market multi-type user real-time power price calculation scheme. A correct electricity price signal is provided for an electricity market, electricity consumers are guided to use electricity in a balanced manner by combining an electric energy supply state and timely adjusting electricity price information, so that the supply and demand of electric energy are balanced, the power supply pressure of a power grid in peak periods is effectively reduced, the power supply cost in the peak periods is reduced, and the construction of an electricity trading market is promoted. The optimal power distribution and power price can be formulated, the power system operation efficiency can be improved, the power supply reliability of the power system can be practically ensured, and the social and economic benefits can be improved.

The invention is suitable for the technical field of electric power, and provides an electric heating equipment orderly power utilization optimization scheduling method and a terminal, and the method comprises the steps: obtaining the historical load data of each electric heating equipment, carrying out the clustering of each electric heating equipment based on the historical load data, and obtaining a plurality of groups of electric heating equipment, calculating the predicted load of each group of electric heating equipment according to the historical load data; determining the planned load reduction amount of each group of electric heating equipment according to the predicted load of each group of electric heating equipment; and based on the predicted load and the planned load reduction amount of each group of electric heating equipment and a preset direct load control model, performing power utilization optimization scheduling on each group of electric heating equipment. Optimized dispatching of the electric heating equipment can be achieved on the premise that the comfort level of a user is met, and the power supply pressure of a power grid is reduced.

The invention discloses a train dispatching and monitoring method based on the electric power Internet of Things. The method comprises the following steps that a vehicle-mounted locating module 31 detects the train current position and the position motion condition in real time, and the vehicle-mounted locating module 31 and a power supply station voltage and load monitoring module 1 carry out information transmission through a vehicle-mounted signal transmitting module 33, so that whether the train current position is located in a power supply section corresponding to a zone power supply station or not is judged. According to the method, during the busy peak of a train line, by reasonably dispatching departure time of the train, the power supply peak time periods of the train line can bestaggered, power supply pressure of the peak time periods of the zone power supply station is reduced, thus the economic cost of increasing the number of the zone power supply station is effectively relieved, and an existing train power supply station is utilized as much as possible.

The invention discloses a multi-sensor control circuit and a control method thereof. The multi-sensor control circuit comprises a main control unit, a sensor unit and an interface unit, wherein the sensor unit comprises a plurality of sensors arranged in a plurality of rows and a plurality of columns; the interface unit comprises a signal transmission end, a plurality of power supply positive output ends and a plurality of power supply negative output ends; each power supply positive output end is connected with a DC power supply through a switch access of a corresponding first switching circuit; each power supply negative output end is grounded through switch access of a corresponding second switching circuit; each power supply positive output end is connected with a power supply positive input end of the corresponding row / column of sensors; and each power supply negative output end is connected with a power supply negative input end of the corresponding row / column of sensors. According to the multi-sensor control circuit and the control method thereof, since only one sensor is powered on for operation at one moment, the power supply pressure is small, and the abnormal operation of the sensor and the entire control circuit caused by insufficient power supply is avoided.

The invention discloses a multifunctional charging integrated system for a new energy car. The multifunctional charging integrated system for the new energy car comprises a cloud management platform,a self-service charging module, a battery renting module and a power supply system. The cloud management platform can provide the map coordinate information of available charging stations nearby for owners of the new energy car in real time. The self-service charging module is provided with a common charging pile and a direct current fast-charging pile to provide the owners with different chargingservices. The battery renting module provides full electric quantity batteries with different degrees of newness, according to the newness comparison between the evaluation result of the replaced battery and the batteries provided by the charging station, the owners need to pay battery depreciation cost or subsidize corresponding fees based on the degrees of the newness comparison, and the powersupply system supplies power to charging station in a solar power and power grind complementation manner. The multifunctional charging integrated system ensures that the owners can choose a suitable charging mode according to the practical needs.

The invention discloses a peak-shaving and valley-filling servo driving method system for an oil pumping unit, which comprises a servo driver, a GPS time controller and a power frequency contactor. The precise GPS time controller can automatically output corresponding control signals to the servo driver at the start and end time of each period of peak and valley flat. After receiving the signal, the servo driver controls the output power of the pumping unit motor according to the preset parameters. The principle of parameter setting is to reduce the power output during the peak electricity price period and increase the power output during the valley electricity price period. On the premise of keeping the total output unchanged, by increasing the valley power and reducing the peak power consumption, the purpose of reducing electricity prices and electricity expenses is achieved. At the same time, this system adds a power frequency control loop, which can switch to power frequency operation in time when the servo system fails, without affecting the normal production of the oil well. The invention has the advantages of simple circuit structure, safety and reliability, low cost and good practical application value.

The invention discloses a power transmission line weight pallet. The power transmission line weight pallet comprises two transverse supporting plates, two first longitudinal supporting plates and two second longitudinal supporting plates, wherein the six supporting plates are symmetrically installed to form a #-shaped structure; the two transverse supporting plates are horizontally arranged, the two first longitudinal supporting plates are vertically in screwed connection with the lower surfaces of the two transverse supporting plates, side edges of the two second longitudinal supporting plates are provided with long-strip-shaped through grooves, and the second longitudinal supporting plates are respectively in screwed connection with side edges of the corresponding first longitudinal supporting plates through cooperation between bolts and the long-strip-shaped through grooves. The weight pallet provided by the invention is small in overall structure and simple to operate, is highly portable and firm, lifts a jumper wire insulator string with a weight through cooperation with other response live-line operation tools and utensils, breaks the trouble of power failure maintenance-induced energy loss and economic loss of users from various circles of the society, caused by incapability of eliminating defects due to lack of a correlation weight pallet by a conventional 500kV weight type jumper wire string, mitigates power supply pressure and improves the demand-supply contradiction.

The invention discloses a central air conditioning machine room control method under energy consumption limit. Firstly, energy consumption limit information is set; after a system receives the energy consumption limit, the system predicts according to an energy consumption limit operating state, and outputs an energy consumption limit answer; within the time from the preprocessing beginning time to the energy consumption limit beginning time, a building is in an energy storage state or a maintenance state; after the energy consumption limit beginning time is reached, the building is in an energy consumption limit state; a total power capable of being distributed at present is calculated; the total power distributed at present is distributed among a central air conditioning unit, a freezing water pump, a cooling water pump and a cooling tower; and after the energy consumption limit beginning time is reached, the cooling water pump, the cooling tower, the freezing water pump and the unit are recovered to a non-energy consumption limit state for operation. The method can control the energy consumption of a central air conditioning system of the building in a limit range to meet the comfort requirements as far as possible; on the one hand, the power supply pressure of a power grid can be relieved; and on the other hand, the influence on the operation of the building is reduced to guarantee ordered operation of economic activities.

The invention discloses a laser radar. The laser radar disclosed by the invention comprises: a main shaft, a radar rotor, an upper cabin plate, a top cover and a base; the upper cabin plate is fixedlyarranged with respect to the radar rotor, and the upper cabin plate is relatively closer to the base in the axial direction of the laser radar and is further away from the top cover; and the main shaft is arranged to be vertical to the base and is located between the upper cabin plate and the base. The laser radar disclosed by the invention can shorten the wiring of each module, and is convenientto install and maintain, and the mechanical reliability of the laser radar is improved.

The invention discloses a comprehensive energy system relying on multi-power-station energy fusion, and the system comprises a photovoltaic power generation system which converts solar energy into electric energy, converts the electric energy into alternating current through an inverter, and then is connected with an external power grid; the wind power generation system converts wind energy into electric energy and is connected with an external power grid through a frequency converter; the external power grid provides stable high-voltage alternating current, and the high-voltage alternating current is converted into low-voltage electricity through a transformer to supply power to users; the heat storage device supplies power and generates heat through a photovoltaic power generation system or a wind power generation system so as to supply heat to users; the power storage device is used for storing power through a photovoltaic power generation system or a wind power generation system and supplying power to users; redundant electric quantity generated by the photovoltaic power generation system and the wind power generation system is effectively utilized through the dispatching system, electric energy is stored through the electricity storage device, heat energy is stored through the heat storage device and provided for users in the electricity utilization peak period, the power supply pressure of an external power grid is relieved, and the energy utilization rate is increased.

The invention discloses a multi-energy large temperature difference area cooling device, which includes a cooling station, a transmission pipe network and a user end; the cooling station includes a refrigeration system, an energy storage system, a water separator and a water collector; the machine of the refrigeration system The on-board absorption chiller and the on-board centrifugal chiller are connected in series, the inlet of the on-board absorption chiller is connected to the water storage tank and the chilled water return pipe of the water collector respectively through valves, and the outlet of the on-board centrifugal chiller is connected to the chilled water return pipe through valves respectively. The storage tank is connected to the chilled water supply pipe of the water separator; the inlet of the storage tank is respectively connected to the outlet of the onboard centrifugal chiller and the outlet of the cooling end of the water storage cooling plate through valves, and the outlet of the storage tank is respectively connected to the onboard The inlet of the absorption chiller is connected to the inlet of the water-storage cold-supply plate for cooling; the invention can make full use of various energy sources, can apply waste heat refrigeration, realize energy cascade utilization, and improve the primary energy utilization rate.

The invention provides a space power supply system for last-stage rail remaining application. The system comprises a plurality of energy supply units, a plurality of storage battery charging regulators, an energy placement unit, a solar cell array, a storage battery pack and a data management computer; the storage battery charging regulators are used for obtaining a primary power supply of the power supply system and transmitting the primary power supply to the energy supply units; the energy supply units are used for obtaining a secondary power distribution power supply of the power supply system and respectively transmitting the secondary power distribution power supply to the energy placement unit and the data management computer; each energy power supply unit corresponds to one path of secondary power distribution power supply, and each path of secondary power distribution power supply is correspondingly provided with a switch; the energy placement unit is used for supplying power to each load by each path of secondary power distribution power supply through the switch corresponding to the secondary power distribution power supply; and both the solar cell array and the storage battery pack are electrically connected with the storage battery charging regulators. Compared with the prior art, the system is low in cost and small in size.

The invention discloses a day-ahead energy scheduling algorithm for wind-solar-storage micro-grid, which uses wind-solar forecasted power data and load forecasted demand data to design the energy throughput of the energy storage battery by controlling the charging and discharging power planning behavior of the energy storage battery and setting the grid-connected time period The planned curve ensures that the charging and discharging capacity of the energy storage battery does not exceed the limit during the daily operation, and the microgrid load is reliably supplied. At the same time, taking into account the economic benefits of the microgrid system and the power supply pressure of the public grid during peak load hours, the algorithm combines the predicted changes in the state of charge of the battery to make energy throughput plan corrections. The minimum value of the surplus electricity and the change process of the state of charge comprehensively considers the grid-connected discharge capacity of the energy storage battery, and releases electric energy to the public grid during the peak power consumption at noon and evening. The invention fully considers the utilization of new energy, ensures the normal power supply of micro-grid loads under the premise of healthy energy storage batteries, and reduces the power supply pressure of public power grids.