10results about How to "Improve power continuity" patented technology

The invention discloses a wind and light storage mobile power supply optimization configuration method, system and device in a complex environment, and relates to the technical field of power systems. The method comprises the following steps: configuring a sensor network, performing environmental data time sequence acquisition, and establishing an environmental data set; performing environment prediction by using the data set, and establishing a prediction result; load demand fitting is executed, and a calibration demand is established; constructing a configuration model by using a calibration demand, and establishing a power generation fitting result based on a prediction result; synchronizing the power generation fitting result and the environment steady-state identifier to a configuration model, executing power supply configuration optimization, and establishing a configuration result; and performing optimal configuration management on the wind-solar storage power supply based on a configuration result. The technical problems of resource instability and load electricity demand fluctuation of a wind power generation and photovoltaic power generation system in a complex environment are solved, and the technical effect of improving the power supply continuity and reliability of the wind and light storage mobile power supply system is achieved through real-time acquisition and prediction of environmental data and dynamic adjustment of demand fitting and power generation fitting.

The invention discloses a data center combined cooling heating and power supply system based on mixed hydrogen energy and a control method thereof, and the system comprises a hydrogen source supply and storage module which is used for inputting hydrogen for power generation, a power generation and energy supply module which is used for converting the hydrogen into electric energy, and a DC micro-grid module which is used for providing the electric energy for a data center. The heat management and application module is used for recycling and applying heat generated during power generation, and the control and protection module is used for controlling the modules. According to the invention, hydrogen energy efficient power generation, waste heat cascade recovery and intelligent scheduling are realized through modular cooperation, the problems of high carbon emission, response delay and energy waste in the prior art are solved, and the system has the advantages of significantly reducing carbon emission, optimizing electric energy use efficiency, improving power supply continuity and energy utilization rate, and simultaneously realizing combined supply of cooling, heating and power.

The invention discloses a power supply system and method for an optical storage fusion power distribution station, relates to the field of optical storage power distribution station power supply, and aims to solve the problems that electric energy in an energy storage module battery cannot be released, the resource utilization rate is reduced, the scheduling frequency is increased and the power consumption is reduced due to intermittency and volatility of photovoltaic power generation and introduction of an external power grid back frequency adjustment discharge mode. According to the method, logistic regression calculation is carried out according to the spare quantity of an energy storage battery and a current power supply quantity estimated value, the scheduling rationality is determined, and the receiving strength of solar radiation to a photovoltaic panel, the difference between the current air temperature and the surface temperature of the photovoltaic panel and a short-term load predicted value are obtained according to the scheduling rationality; prediction is carried out by establishing a time sequence model, a scheduling adjustment scheme is determined according to a prediction result, a simple scheduling strategy is obtained according to the similarity of similar historical prediction scheduling adjustment schemes and the implementation rate of the historical prediction scheduling adjustment schemes, excessive scheduling is reduced, and maximization of photovoltaic power generation resources is guaranteed.

The invention relates to a method for improving power supply continuity of an electric arc furnace. The method comprises the following steps that a power source is started, the electric arc furnace carries out steelmaking, the maximum value of generated three-phase current values is sampled, and data obtained through sampling forms a data queue; analyzing the data of the data queue, determining abnormal data, and calculating the proportion of the abnormal data in the data queue; the abnormal data proportion is compared with an unsteady state critical value, if the abnormal data proportion is equal to or larger than the unsteady state critical value, it is judged that the electric arc furnace steelmaking is in an unsteady state operation state at the moment, and the voltage gear is reduced by one gear; meanwhile, the steady-state clock is reset, the data queue is emptied, sampling is conducted again, and after a new data queue is formed, the steady-state clock is started to start timing; and if the proportion of the abnormal data is continuously smaller than the non-steady-state critical value before the steady-state judgment time is reached, it is judged that the electric arc furnace steelmaking is in the steady-state operation state at the moment, the voltage gear is increased by one gear, and meanwhile the steady-state clock is returned to zero. The power supply continuity is improved, and then the overall power supply stability and efficiency in the waste steel melting period are improved.

The utility model relates to the technical field of electric power engineering, in particular to an insulating operating rod with a cluster parachute protection function. The utility model relates to an insulating operating rod with a cluster parachute protection function, which comprises a first operating rod and a second operating rod, the top of the first operating rod is provided with an operating head, the middle part is provided with an insulating umbrella group, and the bottom is provided with a first detachable connection structure. A second detachable connecting structure is arranged at the top of the second operating rod, and a grip is arranged at the bottom of the second operating rod; the first operating rod and the second operating rod are detachably connected through the first detachable connecting structure and the second detachable connecting structure. According to the utility model, the insulating performance is obviously improved by arranging the insulating umbrella group, the use flexibility is enhanced by detachable connection, the operation head and the grip are matched to ensure accurate and stable operation and anti-skid insulation, and the main body of the rod body is made of epoxy glass fiber reinforced plastic to ensure firmness and durability; the whole device has outstanding advantages in the aspects of guaranteeing the safety of operators, improving the power operation efficiency, reducing the use cost and the like.

The invention provides a vehicle, and relates to the technical field of automobiles. In the vehicle, two electrodes of an input end of a first conversion power supply in a motor controller are respectively connected with two electrodes of a storage battery, and an output end of the first conversion power supply is connected with a power supply end of a vehicle control unit, so that when a power supply connected with the vehicle control unit fails, the storage battery can replace the power supply through the first conversion power supply; therefore, the vehicle control unit can still work normally when the power supply connected with the vehicle control unit fails, and the power supply continuity of the vehicle control unit is improved. In addition, the storage battery is a power supply of the motor controller, namely, the whole vehicle controller multiplexes the power supply of the motor controller as a standby power supply of the whole vehicle controller, so that the overall cost of the vehicle is reduced, and market promotion is facilitated.

The invention discloses a power supply and distribution system for an intelligent manufacturing workshop, which comprises an intelligent power distribution cabinet, an intelligent power distribution box, an AGV trolley and a man-machine interaction monitoring terminal, and is characterized in that a monitoring module, a transmission module and an acquisition module are embedded in the AGV trolley, and a WEB server is embedded in the man-machine interaction monitoring terminal; the intelligent power distribution cabinet establishes connection with the collection module of the AGV trolley through the RFID identifier I, the intelligent power distribution box establishes connection with the collection module of the AGV trolley through the RFID identifier II, the monitoring module comprises a plurality of sensor assemblies, the transmission module establishes connection with the man-machine interaction monitoring terminal through the wireless transceiver, and the WEB server is connected with the mobile phone terminal through a network. The intelligent power distribution cabinet and the intelligent power distribution box are respectively composed of a switch protector, an instrument display screen, a radiator assembly, an incoming and outgoing line cable, an uninterruptible power supply and a work indicating lamp. Real-time monitoring and remote management of the power supply and distribution system are achieved through movement of the AGV and the wireless transceiver, the intelligent degree is high, stability and reliability are achieved, and the requirement of an intelligent manufacturing workshop is met.

This application provides a 550kV vertical structure insulated metal-enclosed switchgear, belonging to the technical field of enclosed switchgear. The technical solution is a 550kV vertical structure insulated metal-enclosed switchgear, including an insulating bushing electrically connected to an isolating grounding switch. A vertical tank for closing resistors is located outside the isolating grounding switch, containing a closing resistor. Two parallel vertical tanks for vacuum interrupters are located outside the closing resistor tank, each containing a 252kV vacuum interrupter, and each 252kV vacuum interrupter is connected in parallel with a capacitor. The moving contacts of the two 252kV vacuum interrupters are connected in series via a connecting conductor. A driving mechanism is located at the bottom of both the closing resistor tank and the vacuum interrupter tank, enabling synchronous opening and closing of the closing resistor and the 252kV vacuum interrupters. The beneficial effect is that it ensures synchronous closing of the 252kV vacuum interrupters connected in series.

The invention discloses an energy router coordination control system, method and device and a medium, and relates to the technical field of direct current distribution networks, and the energy router coordination control system comprises an I-path AC 10 kV and an II-path AC 10 kV; the I-path AC10kV is connected to the power adapter 1, one end of the output end of the power adapter 1 is connected to the DC750V bus, and the other end of the output end of the power adapter 1 is connected to the dual-power quick change-over switch 2; the path II AC10kV is connected to a box transformer substation 3, one end of the output end of the box transformer substation 3 is connected to an AC-DC converter 4, the other end of the output end of the box transformer substation 3 is connected to a dual-power quick change-over switch 2, and a 500kW converter 4 is connected to a DC750V bus; and the dual-power quick change-over switch 2 is connected to an AC 380V bus. By introducing a dynamic virtual impedance adjusting mechanism, the circulating current problem in parallel operation is effectively suppressed, and the stability of bus voltage and power distribution is improved.

The present invention discloses a method, system and device for optimizing the configuration of wind, photovoltaic and storage mobile power sources in complex environments, and relates to the technical field of power systems. The method includes: configuring a sensor network, performing time-series collection of environmental data, and establishing an environmental data set; using the data set to perform environmental prediction and establish prediction results; performing load demand fitting and establishing calibration requirements; using the calibration requirements to build a configuration model, and establishing a power generation fitting result based on the prediction results; synchronizing the power generation fitting result and the environmental steady-state identifier to the configuration model, performing power supply configuration optimization, and establishing a configuration result; and optimizing the configuration management of wind, photovoltaic and storage power sources based on the configuration results. The method solves the technical problems of resource instability and load power demand fluctuation of wind power generation and photovoltaic power generation systems in complex environments, and achieves the technical effect of improving the power supply continuity and reliability of wind, photovoltaic and storage mobile power systems through real-time collection and prediction of environmental data, and dynamic adjustment of demand fitting and power generation fitting.