77 results about "Electric power distribution" patented technology

The invention belongs to the field of charging pile energy recovery, and particularly relates to a charging pile system based on an immersed liquid cooling technology and waste heat recovery. A power distribution unit is arranged on the inner side wall of a shell, a liquid cooling box is arranged in the shell, the liquid cooling box is filled with cooling liquid, and a charging module is arranged in the liquid cooling box; the charging module is completely immersed in cooling liquid in the liquid cooling box, two heat exchange assemblies are arranged on one side of the liquid cooling box and located in the shell, a water storage assembly is arranged on one side of the shell, and the liquid cooling box and the two heat exchange assemblies communicate with each other and form circulating heat exchange on the cooling liquid in the liquid cooling box. The two heat exchange assemblies and the water storage assembly communicate with each other, and circulating heat exchange of water in the heat preservation water tank is formed. Through the arrangement of the cooling liquid purity detection module and other assemblies, real-time purity detection can be conducted on cooling liquid flowing back into the liquid cooling box, and when the first plate heat exchanger breaks down, the second plate heat exchanger is switched to guarantee hot water supply.

The invention discloses an electric power distribution method convenient for maintenance. By arranging a second threaded column (21) and an extrusion plate (22), when the second threaded column (21) rotates, the extrusion plate (22) can be driven to rotate, then the extrusion plate (22) can drive a friction pad (27) to rotate, and when the friction pad (27) is connected with the lower surface of the inner wall of a shell (1) in a lap joint mode, a support plate (17) can be fixed; and by arranging a stop block (28), when the back face of a second protection plate (10) is connected with the front face of the stop block (28) in a lap joint mode, a first threaded column (13) can be more conveniently connected with a second threaded sleeve (14), and therefore the second protection plate (10) can be better fixed. The electric power distribution method convenient for maintenance has the advantages that the structure is compact, the design is reasonable, and the practicability is high.

A device and method for fault management for an electric power distribution network incorporating intermittent generation sources. The method involves configuring multiple hyperparameters for a series of Convolutional Neural Networks (CNNs). A first CNN is trained using current signal imagery from phasor measuring units (PMUs) during fault conditions to classify faults. A second CNN is trained with signal images from PMUs captured during pre-fault and fault cycles for identifying fault sections. Similarly, a third CNN is trained using these images to determine the exact fault location. Once trained, the CNNs are employed sequentially. The first CNN classifies the fault, the second detects the fault section, and the third ascertains the fault location. Subsequently, a comprehensive fault management strategy is deployed.

The invention discloses a shockproof heat dissipation electric power distribution cabinet, and relates to the field of electric power distribution cabinets, the shockproof heat dissipation electric power distribution cabinet comprises a cabinet body and a fan mounting port arranged on the cabinet body, mounting plates are symmetrically arranged on the two sides of the inner wall of the cabinet body, and the fan mounting port is movably connected to the mounting plates on the two sides through a pair of sliding plates and can move up and down relative to the cabinet body; a vibration buffering and transmission mechanism is arranged between each sliding plate and the corresponding mounting plate; the vibration buffering and transmission mechanism comprises an extrusion block arranged on the sliding plate; and the extrusion air bag is arranged on the mounting plate and corresponds to the extrusion block in position. Vibration of the fan mounting opening is mechanically transmitted to the buffer plate in a linkage mode through the extrusion block, the extrusion air bag and the gear transmission assembly, active absorption and dissipation of vibration energy are achieved, and meanwhile a heat dissipation air channel structure and a damping mechanism are integrated.

This disclosure relates to bidirectional current limiting circuits for use in aircraft electric power distribution systems. Example embodiments include a bidirectional current limiting circuit (500a-c) comprising first and second JFETs (501, 502) connected between first and second terminals (503, 504), wherein: the first terminal (503) is connected to a drain of the first JFET (501) and to a gate of the second JFET (502) via a first biasing element (505, 701); he second terminal (504) is connected to a drain of the second JFET (502) and to a gate of the first JFET (501) via a second biasing element (506, 702); and a source of the first JFET (501) is connected to a source of the second JFET (502).

The present invention is to appropriately improve temperature uniformity and electric field uniformity including the outer periphery of a substrate in a substrate processing apparatus. A substrate processing apparatus for processing a substrate, characterized by comprising: a processing chamber; a support member disposed in the processing chamber, having a tray support surface for supporting a tray on an upper surface; and at least one power source electrically connected to the support member, the tray having a recess capable of accommodating the substrate formed on an upper surface, the tray including an electric power distribution unit capable of distributing electric power output from the at least one power source in an in-plane direction.

The utility model discloses an electric power distribution line switching device, which belongs to the technical field of electrical connection, and comprises a lower switching box and an upper switching box, the middle parts of the inner cavities of the lower switching box and the upper switching box are fixedly sleeved with silica gel insulation clamping blocks, the two silica gel insulation clamping blocks are provided with inner arc-shaped grooves, and the inner arc-shaped grooves are provided with inner arc-shaped grooves. The bottom surface of the upper switching box is attached to the top surface of the lower switching box, and one end of an inner cavity of the lower switching box and one end of an inner cavity of the upper switching box are sleeved with first electric wires. According to the utility model, after the first electric wire and the second electric wire are connected, the lower switching box and the upper switching box are sleeved on the outer side of the joint of the first electric wire and the second electric wire, and the joint of the first electric wire and the second electric wire is extruded and fixed in the inner arc-shaped grooves on the two silica gel insulation clamping blocks; and the clamping hooks on the two sides of the upper transfer box are clamped into the U-shaped clamping seats on the two sides of the lower transfer box, so that the lower transfer box and the upper transfer box are conveniently fixed, and the practicability is good.

The utility model provides a power distribution box panel welding positioning device, which relates to the field of distribution box panel welding and comprises a supporting base, a rotating mechanism is arranged on the upper portion of the supporting base, and the rotating mechanism comprises a rotating disc, a driving motor, a vertical rotating shaft, a grooved wheel, an arc-shaped locking notch, a shifting groove, a driving disc, a shifting disc and a shifting column. Through the arrangement of the rotating mechanism, after a front side gap between the power distribution box and the panel is welded, a worker does not need to hold a welding tool to walk to the rear of the welding positioning device, and therefore the convenience in the welding process of the power distribution box and the panel is greatly improved; the electric power distribution box panel welding positioning device solves the problem that in the actual use process of an existing electric power distribution box panel welding positioning device, after a front side gap between an electric power distribution box and a panel is welded, a worker needs to hold a welding tool to walk to the rear portion of the welding positioning device, and therefore convenience in the electric power distribution box panel welding process is reduced.

The embodiment of the application discloses a kind of thermal test device and test method, thermal test device includes metal body, metal body includes two metal plates distributed in working medium passage two sides. A plurality of electrically conductive ends are arranged at each metal plate, and the plurality of electrically conductive ends include at least two electrically conductive initial ends and electrically conductive terminal, in at least two electrically conductive initial ends, select any one electrically conductive initial end as test initial end, and test initial end and electrically conductive terminal are respectively connected to the two poles of power supply. The thermal test device disclosed in the application, by selecting any one of at least two electrically conductive initial ends as test initial end, the heating length of the metal plate located on both sides of the working medium passage can be controlled, thereby the heating conditions of symmetrical heating and asymmetrical heating can be simulated, so that the flow and heat exchange law inside the working medium passage under non-uniform thermal load can be tested, and the thermal hydraulic parameters of the working medium passage under a specific electric power distribution can also be obtained, and the test efficiency of the heat exchange equipment can also be improved.

The utility model provides a climbing safety sliding piece applied to electric power distribution network construction, which belongs to the technical field of electric power distribution networks and comprises a sliding piece main body, the sliding piece main body is of a long-strip-shaped structure, connecting holes are formed in the two ends of the sliding piece main body, the sliding piece body is provided with a safety belt connecting piece, a safety belt, a locking mechanism and a fixing support, the safety belt connecting piece is connected with the sliding piece body through the connecting hole and used for connecting the safety belt and the sliding piece body, and the locking mechanism is arranged on one side of the sliding piece body and used for locking the safety belt. The locking mechanism is used for being meshed with the surface of a telegraph pole to provide gripping force, the locking mechanism comprises at least one spiral locking piece, the locking piece is provided with a spiral edge, and the central axis of each locking piece is parallel to the central axis of the sliding piece body; the climbing safety sliding piece overcomes the defects that a traditional climbing safety sliding piece is insufficient in holding power and prone to slipping off.

The utility model discloses a lightning protection mechanism for a power distribution box, and relates to the technical field of lightning protection mechanisms for power distribution boxes. The lightning protection mechanism for the power distribution box comprises a surge protector, a shell is arranged on the back of the surge protector, a fixing box is arranged on the back of the shell, and a pop-up assembly is arranged between the fixing box and the shell and used for popping up the shell by a certain distance. According to the lightning protection mechanism for the power distribution box, the structure that the fixing box is additionally arranged on the back of the shell of the surge protector is adopted, and when no vacancy exists on an installation track in the power distribution box, the surge protector can be conveniently fixed in the power distribution box through a bolt by a lock bolt on the fixing box; when the wiring port on the shell of the finally added surge protector is located right below the electric brake, the pop-up assembly is convenient to eject the shell for a certain distance, so that no obstacle exists above the wiring port on the shell, and a cable is convenient to be stably connected into the wiring port.

The utility model provides a line fixing device for a power distribution cabinet, which comprises a power distribution cabinet main body, a mounting seat arranged in the power distribution cabinet main body, a base arranged in the mounting seat, a chute arranged at the top of the base, a lower clamping plate fixedly arranged at the top of the base, and an opening arranged at the top of the lower clamping plate and matched with the chute. And a sliding column is slidably connected into the sliding groove and penetrates into an opening in the lower clamping plate, an upper clamping plate is fixedly installed at the top of the sliding column, and the upper clamping plate is matched with the lower clamping plate. According to the utility model, through the arrangement of the lower clamping plate and the upper clamping plate, a circuit can be fixed in the arc-shaped groove on the lower clamping plate, then the lower clamping plate and the upper clamping plate are combined together through the elasticity of the reset spring so as to realize the fixation of the circuit, and meanwhile, the circuit can be firmly fixed through the cooperation of the rubber pad and the anti-skid grains; and meanwhile, the damage to the line is avoided, the line is convenient and fast to mount and dismount, and the maintenance and repair work of the line is facilitated.

The utility model belongs to the field of capacitor current tester, specifically is a kind of electric power distribution network capacitor current tester equipment calibration device, including box, the inner surface of box is connected with calibrator body, the surface rotation of box is connected with take-off component, the surface of take-off component is overlapped with test line structure;Through the structural design of take-off component, before using the calibration device, detection personnel pull input connector, make cylinder rotate and release test line body to enough length, subsequently detection personnel connect input connector to the tested tester, then connect output connector to calibrator body and carry out calibration, after completing calibration, detection personnel pull out input connector and output connector, rotate rotating handle and make cylinder reverse rotation, make the test line body released rewrap back on cylinder, so that the calibration device can store test line and be convenient for using when calibration, improve the convenience of using the calibration device.

The present application provides a grounding facility for distribution electric wire. The distribution electric pole welding facility is a grounding terminal box installed on the electric pole, which electrically connects the distribution grounding wire of the distribution line and the ground grounding wire in the ground together, and a distribution electric pole welding facility installed at the end of the ground grounding wire, which includes a grounding assembly comprising a grounding terminal. The grounding assembly can pass through the connected grounding wire rod, the grounding terminal box of the grounding wire at the lower end of the grounding rod, and the grounding terminal box of the grounding wire of the grounding wire. The grounding terminal can pass through the grounding terminal of the grounding wire of the grounding wire. In order to facilitate the control, it is installed at the top of the rod extension pipe, seals the top of the rod extension pipe, includes smoke generating material for generating smoke, and rod smoke cap for installing electric igniter. The smoke material is ignited by electricity. The electric igniter works by the power supply of the battery, so as to generate smoke on the smoke material.

The invention provides a solid-liquid mixing electric heating heat storage agent optimization method and system, and relates to the field of energy thermal engineering and artificial intelligence. According to the method, a deep neural network is pre-trained by using simulation data of a source field, and hidden layer parameters are frozen to extract universal width features. An output weight is calculated by adopting an elastic network regularization and improved alternating direction multiplier method, and high-precision modeling and prediction of the operation characteristics of the solid-liquid mixed electric heating / heat storage device are realized under a small sample condition. In order to reduce wind curtailment and light curtailment and optimize system performance, a data-driven improved transfer learning agent model method is adopted. The system comprises a solid-liquid hybrid electric heating / heat storage device which is used for quickly responding to wind and light fluctuation and long-time peak regulation and relates to multi-physical field coupling, and the operation characteristics of the system are influenced by multiple factors such as the fluid flow speed and electric power distribution. According to the method, real-time optimization of system operation parameters and control strategy formulation under complex working conditions can be realized, and the method has relatively high engineering application value.

The application discloses an electric power distribution cabinet electric leakage detection system and method, belongs to the field of intelligent detection, data processing and safety technology, and through joint optimization of electric field and magnetic field transient signals, distinguishes real electric leakage from interference and avoids false positives. Combined with the event authenticity verification of the temperature field and the vibration field of the distributed optical fiber, the reliability of the electric leakage event is ensured. Using the time domain reversal technology in the electromagnetic propagation model considering the internal metal components of the power distribution cabinet, through the spatial coincidence constraint of the electric field and magnetic field focusing area, the positioning error caused by the multipath effect is overcome, and the accurate positioning of the electric leakage point is realized. Through the physical consistency verification of the electromagnetic positioning result and the cumulative physical field characteristics of the distributed optical fiber, the reliability and accuracy of the electric leakage positioning result are improved.

The invention discloses a power socket electric energy distribution control system and method, and relates to the technical field of power distribution and supply, and the system comprises a micro-control module which controls a main jack and a plurality of branch jacks of a jack control module to carry out the multi-path power distribution of the electric energy of the commercial power connected to a power module, and a current detection module detects the overcurrent. The branch sockets are controlled to be powered off in sequence until overcurrent disappears, the power distribution control module conducts voltage conversion processing on direct-current electric energy connected into the branch sockets and conducts power distribution, if the branch sockets are not powered, the power distribution control module can switch an electric energy transmission path and supply power to the branch sockets, and when direct current needs to be provided, voltage conversion processing is conducted; and when the branch socket is fully powered off and is over-current or short-circuited, power distribution is stopped. According to the power socket electric energy distribution control system and method, when the total power distribution power exceeds the safety limit, the set power supply state of the main jack is maintained, electric energy interaction is carried out in cooperation with the external equipment power supply, and the power distribution efficiency and the power distribution safety are improved.

The utility model provides a kind of line fixing device for electric power distribution box, including cabinet and several mounting plates, several mounting plates are detachably set in the inner cavity of cabinet, several placing plates are transversely spaced in the inner cavity of cabinet, and movable plate for fixing mounting plate is vertically set on the side wall of cabinet and each placing plate.The utility model provides a kind of line fixing device for electric power distribution box, first pull up movable plate, place mounting plate on placing plate, and make it flush with long slot, release movable plate, under the elastic action of supporting spring, long slot is clamped into the top of mounting plate, the fixing of mounting plate, when it is necessary to remove mounting plate, pull up movable plate again, make long slot separate from mounting plate, mounting plate can be removed, when more lines are connected, additional mounting plate can be installed, line fixing area is quickly increased, when part of line is no longer used, remove corresponding mounting plate, release space, greatly reduce the cost and time of distribution box reconstruction.

The present utility model relates to a compression tool for applying terminals / splices attachable to an impact wrench, which, according to its characteristics, provides a compression tool (1) in its own and specific structure of universal type, attachable to an impact wrench and based on the integration of an applicator body (2), a lead screw (3) and a sliding compression die (4), so as to provide complete optimization in the set of mechanical and manual procedures for applying compression to terminals and splices of conductors of electric power distribution networks by using impact wrenches, combined with the absence of wear on conductors, terminals and splices and improvements in the maintenance of electric power distribution networks.

The invention discloses an electric power load and electricity price collaborative prediction method and system based on deep learning, and relates to the technical field of electric power systems.The method comprises the steps that electric power state data are collected in real time through a sensor set arranged in electric power distribution equipment, and data processing is carried out; acquiring a power disturbance data set, calculating a voltage lag feedback index dyx, performing power supply disturbance evaluation, executing a coupling response trend prediction instruction, and acquiring a disturbance characteristic data set and calculating a synchronous response excitation index tbj according to real-time extraction and dimensionless processing of a special API (Application Program Interface); cooperative disturbance evaluation is carried out by calculating a comprehensive cooperative prediction index xty, and when it is detected that the load and the electricity price have a cooperative disturbance trend, early warning is automatically generated, and price adjustment simulation, a negative control strategy and a standby power supply scheduling mechanism are linked. The method can effectively improve the prediction precision and the regulation and control response capability of the power grid under multi-factor disturbance, and improves the operation stability and economical efficiency of the smart power grid.

The utility model relates to a power distribution device, a main cabinet and a charging system. The power distribution device comprises a support and a power distribution module. The support comprises a mounting plate and a first supporting plate, a sliding groove is formed in the first face of the mounting plate, the first supporting plate is fixed to the mounting plate and located at the end of the sliding groove, the power distribution module is supported on the first supporting plate, and the power distribution module is arranged at the sliding groove in a sliding mode.

A subsea high-voltage electric power distribution facility (201, 301) comprising a plurality of first mounting arrangements (50a, 350a) at respective first positions (40a, 340a), a support base (203, 303) installed on the seabed, comprising a plurality of second mounting arrangements (50b, 350b) at respective second positions (40b, 340b) A plurality of subsea termination assemblies (210, 310) are connected to respective subsea cables (211, 311) and engaging with first mounting arrangements. A subsea high-voltage power distribution assembly (205, 305) is supported on the support base. Switchgear modules (209, 309) engage with second mounting arrangements, wherein the respective switchgear modules connect to respective subsea termination assemblies (210, 310) with first wet-mate connectors (212, 312) and to the subsea high-voltage power distribution assembly (205, 305) with second wet-mate connectors (214, 314). The respective switchgear modules are retrievable from their engagement with the second mounting arrangement (50b, 350b) and the respective subsea termination assemblies are compatible with the second mounting arrangements.

The utility model discloses a modularization assembly switch cabinet, including bottom plate, casing assembly and connecting component, casing assembly is located bottom plate top and contains at least two casing, and connecting component realizes the detachable connection of bottom plate and casing. Through setting up T type sliding slot, casing sets up the structure such as the connecting block with hole, cooperation multiple connecting component forms, make switch cabinet each part can quick assembly disassembly, effectively promote installation efficiency and flexibility, reduce operation and maintenance cost, be suitable for multiple electric power distribution scene.

The invention discloses a distributed power supply intelligent regulation and control method, device and equipment of a transformer area terminal and a storage medium, and relates to the technical field of power distribution, a distributed power supply intelligent regulation and control system comprises a cloud master station, the transformer area terminal and a plurality of flexible regulation and control equipment, the transformer area terminal performs data interaction with the cloud master station, and the flexible regulation and control equipment performs flexible regulation and control on the transformer area terminal. The transformer area terminals are respectively connected with the flexible regulation and control equipment, the distributed power supply intelligent regulation and control method of the transformer area terminals is applied to the transformer area terminals, and the method comprises the following steps: acquiring a total regulation and control index issued by a cloud master station; decomposing the total regulation and control index to obtain a decomposed down-regulation index; the decomposed down-regulation indexes are distributed to the corresponding flexible regulation and control devices respectively to complete regulation and control, the regulation and control indexes are distributed to the transformer area terminal through the cloud master station, the transformer area terminal decomposes the total regulation and control indexes according to a strategy, and the decomposed indexes are regulated and controlled, so that efficient and accurate group regulation and control are achieved, and the regulation and control efficiency is improved. Automation level and operation efficiency of a power system are improved and safe and stable operation of a power grid is guaranteed.

The invention relates to the technical field of electric power distribution network cable construction auxiliary equipment, in particular to a distribution network non-power-cut operation friendly type grounding ring installation tool and an operation method.The distribution network non-power-cut operation friendly type grounding ring installation tool comprises a main body mechanism, a fastening mechanism, a grounding ring and an installation mechanism, and the main body mechanism comprises a fitting body and a wire containing groove formed in the fitting body; the clamping block is fixedly connected to one side, far away from the top end of the wire placing groove, of the fitting body, a protection part is arranged on the outer side of the fitting body, and an opening is formed in one side of the wire placing groove and used for placing a cable into the wire placing groove; according to the equipment, the grounding ring can be installed through the operating rod, climbing and large-scale auxiliary equipment are not needed, personnel operation is facilitated, the stability of the hardware fitting body and a cable after being pressed and fixed can be ensured, the operator can more efficiently conduct wiring operation in distribution network non-power-cut operation, and the working efficiency is improved. Operation personnel can carry out rapid installation in distribution network non-power-cut operation conveniently, and the installation efficiency is improved.

The invention relates to a modular and scalable electric charging terminal for an electric vehicle comprising a fixed chassis (30), a detachable electric power distribution unit (60) intended to be mounted on said fixed chassis (30) and means for detachably mounting the detachable distribution unit (60) on said fixed chassis (30).

The invention discloses an electric power bilateral direct transaction system based on a block chain, and relates to the technical field of electric power transaction, and transaction terminals are a power generation terminal, a power utilization terminal and an electric power transaction center terminal. The function level comprises a DAPP layer, an intelligent electric surface layer, a block chain layer and an electric power distribution equipment layer; the DAPP layer is used for approval and query of the power generation terminal and the power utilization terminal; the intelligent electric surface layer is connected with the DAPP layer so as to realize a hardware function of the DAPP layer; the block chain layer is used for receiving the electricity selling application and the electricity purchasing application of the DAPP layer, calling the electricity selling quantity of the intelligent electricity surface layer, and carrying out encrypted transaction in combination with a transaction mechanism and a token exchange mechanism of a physical constraint and electricity transaction center terminal; and the electric power distribution equipment layer carries out transaction power distribution through a power grid connection scheduling mechanism and infrastructures based on the transaction result of the block chain layer. The invention establishes a safe, reliable, transparent and open transaction system.

The application discloses a kind of based on whole life cycle theory's distribution network engineering evaluation method, belong to electric power distribution network engineering evaluation technical field, including establishing data dictionary to carry out data acquisition, to data analysis obtains construction construction safety evaluation index and operation and maintenance construction safety evaluation index value and obtains the weighted sum of two indexes to carry out evaluation index joint analysis.The application obtains the data needed by evaluation analysis by data acquisition, can quantitatively obtain construction construction safety evaluation index and operation and maintenance construction safety evaluation index by data analysis, solve the focus of existing post-evaluation work for the cost evaluation of planning to completion, there is no safety risk assessment for construction in the process of construction, operation and maintenance, cannot ensure that the construction safety risk of electric power distribution network engineering in the process of construction, operation and maintenance is in the state of controllable, in control and controllable, cannot carry out construction risk evaluation for electric power distribution network engineering in whole life cycle.

Fly-by-wire (FBW) control systems and methods for an aircraft are disclosed herein. In one example embodiment, the present disclosure relates to a FBW control system for an aircraft including a plurality of inceptors, a plurality of actuators, a plurality of linkages, at least one controller area network (CAN) bus, and at least one flight control computer (FCC) coupled to the plurality of actuators by the at least one bus. Each of the linkages respectively electrically couples a respective pair of the inceptors and actuators. Further, the at least one FCC is coupled to the inceptors only indirectly by the plurality of linkages and the at least one bus, with the plurality of actuators being coupled between the at least one bus and the plurality of linkages. Additionally, in at least one additional example embodiment, the present disclosure relates to an electric power distribution system for an aircraft.

The utility model discloses a charger, and belongs to the field of charger structure design. Comprising a liquid cooling module and a charging module, the liquid cooling module is arranged at the top of the charging module, and the interior of the charging module is divided into an upper half part and a lower half part; an AC / DC power conversion unit and a comprehensive power distribution and control module are arranged in the upper half part and the lower half part respectively, the AC / DC power conversion unit is connected with the liquid cooling module, and the comprehensive power distribution and control module is electrically connected with the AC / DC power conversion unit; a metal partition plate is arranged between the upper half part and the lower half part, and a plurality of sets of alternating current input line waterproof lock heads and direct current output line waterproof lock heads are arranged on the metal partition plate. According to the cabinet, the technical problems of liquid cooling heat dissipation and safety isolation in the charger are solved through the design of compartment arrangement, external liquid cooling modules, metal partition plates and waterproof lock heads, particularly, the waterproof lock heads effectively prevent the risk of electrical short circuit caused by leakage of cooling liquid, and meanwhile efficient heat dissipation is ensured.