210results about How to "Stable operation" patented technology

The invention relates to the technical field of intelligent building management, in particular to an intelligent building full-life-cycle monitoring management method and system, and the system comprises a data collection module, a multi-source data fusion and analysis module, a full-life-cycle management model construction module, an intelligent early warning module, a self-adaptive feedback regulation and control module, a data storage module and a remote visual monitoring module. According to the system, environment parameters and equipment operation state data of a building are acquired in real time through the data acquisition module, key operation indexes are extracted by using the multi-source data fusion and analysis module, and accurate risk assessment and early warning are realized under the support of the full-life-cycle management model. The self-adaptive feedback regulation and control module can dynamically adjust key operation parameters according to real-time data to ensure stable operation of equipment under different environment conditions, the data storage module supports long-term performance analysis, and the remote visual monitoring module realizes remote monitoring and multi-party collaborative management. According to the invention, the operation safety, stability and management efficiency of hydraulic facilities are effectively improved.

The invention discloses a smart home energy management optimization method in an Internet of Things environment. According to the method, the Internet of Things technology is utilized, intelligent identification and classified management are carried out on equipment, multiple energy management strategies are preset, and a user can conveniently and autonomously adjust; energy data is monitored in real time through a sensor and an intelligent electric meter, an energy consumption rule is mined by using a big data analysis technology, and a demand trend is predicted; constructing an intelligent energy dispatching center, and formulating a dynamic energy distribution scheme by using an optimization algorithm; a mobile phone application and an intelligent control panel are developed, and a user is supported to check data, control equipment and carry out personalized customization; and meanwhile, equipment firmware upgrading and remote management are realized. According to the invention, energy consumption can be reduced, cost can be controlled, equipment collaboration and energy distribution efficiency can be improved, user experience can be enhanced, system maintenance and upgrading are facilitated, and intelligent household energy management is more efficient, intelligent and flexible so as to adapt to diversified household requirements.

The invention relates to the technical field of mechanical arm control, in particular to a mechanical arm and a control method thereof. The method comprises the following steps that real-time load information of all joints of the mechanical arm in the operation process is obtained, the acceleration and rotational inertia of the mechanical arm are monitored in real time, and real-time inertia force data are generated; the torque compensation amount needed by the mechanical arm is calculated according to the real-time inertia force data, and torque compensation control data are generated; performing dynamic analysis on the torque compensation control data, and performing real-time adjustment on the output torque of the servo motor based on the current load and inertia change condition to generate inertia compensation data; and the motion path and the motion speed of the mechanical arm are dynamically optimized according to the inertia compensation data, and path optimization data are obtained. Through real-time monitoring, dynamic adjustment and intelligent optimization, the operation precision, the movement efficiency, the stability and the self-adaptive capacity of the mechanical arm in the complex working environment are remarkably improved.

The invention discloses a multi-device cooperative management system based on cloud edge cooperation, and relates to the technical field of Internet of Things communication, and the system comprises a device management module which is used for connecting edge devices, carrying out the centralized management of the edge devices, and carrying out the optimal scheduling based on the functions and distribution positions of different edge devices; and the data acquisition module is connected with the equipment management module. According to the multi-device collaborative management system based on cloud edge collaboration, a comprehensive and accurate data basis is provided for multi-device collaborative management, and information exchange and collaborative work between devices are promoted; the optimization decision-making unit can formulate an equipment optimization management strategy according to the operation scheme generated by the big data analysis unit and the prediction result obtained by the prediction analysis unit, and continuously performs optimization adjustment according to the real-time operation condition of each piece of edge equipment; therefore, the system can adapt to continuously changing equipment operation environments and task requirements, and more efficient multi-equipment collaborative management is realized.

The invention relates to the related field of photovoltaic construction, in particular to a photovoltaic construction management system, which comprehensively analyzes video data and environmental sensor data, improves the accuracy and reliability of the monitoring effect, and can effectively reduce the blind area and false alarm rate of a single data source through the fusion of multi-modal data. According to the invention, a genetic algorithm and a decision tree algorithm are integrated, so that the system has strong learning ability, and the system can be continuously self-optimized according to historical data and operation logic to gradually adapt to different construction environments and working conditions; through regular updating and model training, the system can continuously improve the monitoring precision and the safety management level, and it is ensured that an efficient and stable operation state is always kept in long-term use; an analysis result is displayed through a visual platform, accurate defect positions and severity degree marks are provided, a detailed detection report can be automatically generated, long-term monitoring and data comparison are supported, and powerful technical support is provided for construction quality guarantee.

The invention discloses a wireless flow regulating valve control method and system based on the Internet of Things, and relates to the technical field of wireless flow regulating valves, and the method comprises the following steps: 1, collecting the flow, pressure, temperature and vibration data of a fluid in real time based on a wireless sensor node, and calculating the flow, pressure, temperature and vibration data of the fluid based on a data processing unit and a machine learning reasoning unit; 2, sensor data, local data summarization, preprocessing and partial control decision data are received through a gateway; 3, uploading the data to a cloud server based on a distributed gateway network module; step 4, based on the cloud server cluster module, adopting a deep reinforcement learning algorithm to carry out adaptive learning and optimization, generating a flow regulation instruction and sending the flow regulation instruction to a flow regulation valve; 5, based on the intelligent flow regulating valve module, the control model is adjusted in real time through a multi-dimensional feedback system; and step 6, performing global optimization and maintenance on the overall control strategy based on a multi-dimensional user interface module.

The invention relates to the technical field of cables, and discloses an intelligent cable grounding box temperature monitoring method comprising the following steps: obtaining material information of a cable grounding box; acquiring temperature and humidity data of the surrounding environment of the cable grounding box; according to the material performance of the three types of cable grounding boxes, temperature monitoring precision requirements required by different types of grounding boxes are determined; according to the environment type, in combination with a preset temperature monitoring scheme database, respectively matching temperature monitoring schemes meeting three types of cable grounding box temperature monitoring precision requirements; acquiring historical temperature monitoring data of different types of cable grounding boxes; establishing a temperature prediction model of the cable grounding box in combination with environment temperature and humidity and a grounding box material; and according to the optimized temperature monitoring scheme, continuously perfecting the temperature monitoring scheme and the monitoring threshold value through data accumulation and feedback. According to the invention, accurate monitoring and early warning can be realized for different types of grounding boxes in various environments, and the safe operation level of the cable grounding box is effectively improved.

The invention discloses a data-driven floating type wind turbine generator model-free control method and system, and the method comprises the steps: obtaining the operation state and external environment parameters of a wind turbine generator, and constructing sample data; inputting the sample data into a pre-trained controller, and outputting a control instruction to control the wind turbine generator; the specific process of obtaining the controller comprises the steps that the simulation operation state / historical operation state and external environment parameters of the wind turbine generator are obtained, and an initial controller is constructed based on the simulation operation state / historical operation state and the external environment parameters; determining a control target, a wind turbine generator operating environment, an intelligent agent, a state space, an action space, a constraint condition and a reward function in the initial controller; and performing continuous interactive learning training on the intelligent agent and the operation environment of the wind turbine generator through a deep reinforcement learning algorithm to obtain a trained controller. The method has the advantages of reducing the modeling difficulty, dynamically correcting the control strategy, improving the power generation efficiency and the like.

The invention discloses a fault online monitoring and early warning method for an energy storage system. The monitoring method comprises the following steps: acquiring real-time state parameters of each battery in a plurality of energy storage battery assemblies in a current detection period and a previous detection period; calculating the internal resistance change rate of the battery based on the real-time state parameters of the battery; calculating a fault risk index of the battery by combining the real-time state parameter and the aging coefficient of the battery based on the internal resistance change rate; and judging whether the fault risk index of the battery is greater than or equal to a fault risk threshold, if so, controlling the battery to stop running, and sending fault warning information to a control end of the energy storage system, and if not, controlling the battery to run normally. Through the multi-dimensional state parameters of two continuous detection periods, the fault risk index of each battery is comprehensively calculated to judge the operation state of a single battery, the problems that an existing scheme is single in detection parameter, lacks dynamic monitoring capability and does not consider battery aging factors are solved, and comprehensive, dynamic and accurate fault monitoring and early warning are achieved.

The invention provides a cold starting method of an engine and a vehicle, the method is applied to the field of vehicles, the engine comprises a direct injection nozzle and an air channel injection nozzle, and the method comprises the steps that the current temperature of cooling liquid in the engine of the vehicle is obtained; under the condition that the current temperature is smaller than or equal to a preset temperature threshold value, the current rotating speed of the engine is obtained, and based on the current temperature of the cooling liquid and the current rotating speed of the engine, the first target fuel injection quantity proportion between fuel injection quantities of a direct injection nozzle and an air channel injection nozzle of the engine during fuel injection is determined; and controlling the direct injection nozzle and the air passage injection nozzle to perform fuel injection according to the first target fuel injection quantity proportion so as to control the cold start of the engine. The method can help the engine complete cold starting as soon as possible, and the success rate of cold starting of the engine is increased.

The invention discloses a dynamic reconstruction method of a two-dimensional memory access controller, which belongs to the technical field of memory access controllers, and specifically comprises the following steps of: extracting the parallelism degree and the operation characteristic of a matrix algorithm, determining the partitioning mode of a storage module according to the parallelism degree and the operation characteristic, and storing matrix source data in a partitioning manner; based on the degree of parallelism, the number of enabled source data channels is determined, and efficient transmission of data from storage to calculation is achieved; according to the degree of parallelism and the operation characteristics, matrix source data are moved from the storage module to the calculation module through the source data channel, and matrix operation is executed; after the operation is finished, determining the number of enabled result data channels according to the degree of parallelism and a result, and transmitting the result back to the storage module; the configuration of each module is dynamically adjusted according to an algorithm and operation requirements, and the flexibility and efficiency of matrix operation are improved.

The invention discloses a strong-drive type service lift stable in operation, and relates to the technical field of lifts. A strong-drive type dumb waiter stable in operation comprises a support, two guide rails which are longitudinally symmetrical are fixedly connected to the two transverse sides in the support, sliding blocks are slidably connected into the guide rails, rolling wheels which are distributed at equal intervals are rotatably connected to the sides, close to the guide rails, of the sliding blocks, a lift car is connected between the sliding blocks, and two mounting shafts are fixedly connected to the top end in the support. The motor winds or loosens the steel cable to drive the lift car to vertically move up and down in the support, the sliding block and the roller can also move up and down in the guide rail, and when the sliding block slides up and down, the roller can be kept in the state of being attached to the inner side of the guide rail, so that the state of the guide rail is monitored in real time; and solidified lubricating oil or foreign matter and other impurities can extrude the roller to move, then the cleaning plate is controlled to slide rightwards to be attached to the guide rail, impurities on the guide rail are scraped away, and it is guaranteed that the elevator is in a stable running state all the time.

The invention relates to an air conditioner anti-interference control method and device, an air conditioner and a storage medium, and the method comprises the steps that under the condition that the air conditioner is shut down, whether the shutdown reason is overcurrent protection or not is judged; under the condition that the shutdown reason is overcurrent protection, the filtering depth value of a protection pin of a main chip in the air conditioner is adjusted, and the air conditioner is restarted again after adjustment; and after the filtering depth value of the protection pin is adjusted to be maximum and the air conditioner is restarted, when the air conditioner is still shut down due to overcurrent protection, the capacitance value of the protection pin of a main chip in the air conditioner is adjusted. By means of the method and device, the problem that in the related technology, due to power grid voltage fluctuation, the air conditioner is correspondingly disturbed, and the air conditioner is mistakenly protected is solved.

The invention provides an off-ramp control method and system based on space optimization and electronic equipment, and relates to the technical field of traffic management, and the method comprises the steps: solving a historical mean value of queuing lengths under a time sequence based on historical vehicle queuing data, and processing a missing value of the historical vehicle queuing data; fitting the processed vehicle queuing data, and identifying and processing an abnormal value; acquiring traffic data in real time, and dynamically adjusting lane line changes according to the real-time traffic data and historical data subjected to missing value processing and abnormal value processing; dynamically adjusting the phase duration of the intersection signal lamp according to the lane line change, the lane function change of the ground entrance lane and the queuing length; a control strategy of lane line change and signal lamp timing adjustment is transmitted to an actuator through an intersection local area network to realize dynamic adjustment; and evaluating an execution result and optimizing a control strategy. According to the invention, the passing efficiency and safety are improved.

The invention relates to the technical field of fault detection, in particular to mobile power transmission and distribution line fault detection and positioning equipment, which comprises a supporting plate, a power transmission and distribution line fault detection positioning device and a power transmission and distribution line fault detection positioning device, the detection device is used for carrying out fault detection on the power transmission and distribution line, and the bottom of the detection device is fixedly connected with the top of the supporting plate; the suspension device is used for driving the fault detecting and positioning equipment to move along the surface of the cable, the equipment is integrally hung on the cable through the suspension device, the suspension device is limited through the locking assembly, then the driving motor drives the guide wheel to rotate, and the equipment can integrally move along the surface of the cable; the detection efficiency is greatly improved, the problem that it is difficult for pedestrians to climb cables is solved, by arranging the locking assembly, the possibility that equipment falls off accidentally is reduced, and potential hazards to surrounding personnel and facilities are reduced.

The invention relates to the technical field of cable production, and discloses a cable stranding machine which comprises a base plate, the base plate is provided with a motor, a lead frame, a branching wheel, a lead wheel and a merging die, an output shaft of the motor is fixedly provided with a rotating shaft, and the rotating shaft penetrates through the lead frame, the branching wheel and the lead wheel respectively. A cable is arranged on the wire guiding frame, the cable passes through the wire dividing wheel and the wire guiding wheel and is twisted into a cable in a merging mold, a through hole is formed in the wire dividing wheel, a first connecting frame and a second connecting frame are arranged in the through hole, and a fixing wheel is arranged below the first connecting frame. The fixed wheel rotates reversely instantly to trigger the reverse limiting mechanism, and the stabilizing frame in the mechanism moves downwards to form a U shape with the two movable wheels, so that the cable can be prevented from splashing out of the branching wheel, the cable is prevented from winding a machine due to huge bounce after being broken, and workers are prevented from being injured.

The invention relates to the technical field of water turbine aeration, in particular to a water turbine self-adaptive aeration device and method and a water turbine. The water turbine self-adaptive aeration device comprises a shell, a controller, a data acquisition device, a water inlet section, a gas inlet section, a gas-liquid mixing chamber and a spraying section, one end of the shell is embedded into the water turbine pressure pipeline; the data acquisition device is arranged in the water turbine pressure pipeline and is in communication connection with the controller; an air mixing valve is arranged on the air inlet section, a water inlet valve is arranged on the water inlet section, the water inlet valve and the air mixing valve are both electrically connected with the controller, the air inlet section and the water inlet section are both communicated to the air-liquid mixing chamber, the spraying section comprises an angle adjusting part and a spraying head, the angle adjusting part is communicated with the air-liquid mixing chamber, the angle adjusting part is communicated with the spraying head, and the angle adjusting part is electrically connected with the controller. The amount and the position of air injected into water flow can be accurately controlled, a stable and uniform air entrainment effect is formed, and cavitation damage of water flow to parts such as water turbine blades and the like is reduced.

According to the power system of the trailing suction dredger and the control method of the power system, the system comprises a main power module, a storage battery module, a main distribution circuit board and an execution terminal of the trailing suction dredger, and the storage battery module is connected with the input end of the main distribution circuit board through a power distribution switch; the main power module comprises an engine, an adjustable pitch propeller and an axle generator, and the engine is connected with the adjustable pitch propeller and the axle generator through a one-inlet two-outlet gearbox. A storage battery module comprising two storage battery packs is arranged in a main power distribution system, configuration of a power system and a power system is optimized, the power storage battery pack is automatically charged when the load of the main power module is used too low, and the power storage battery pack automatically supplies power to a power grid when the load of the main power module is used too high. The functions of peak load shifting, host operation load stabilizing and host installation power and energy consumption reducing are achieved, and full-automatic intelligent control over the battery management module in the charging and discharging process of the energy storage power storage battery pack is achieved.

The invention relates to a flexible vibration self-adaption wind turbine blade which comprises a blade body, the rear edge of the blade body is flexibly connected with a flap through an inflatable expansion body, and inflatable cavities are formed in the positions, on the two sides of a chord line, of the expansion body. The chambers located on the two sides of the chord line swing along with the flap to change the compression degree so as to adjust the counter-acting force of the expansion body on the flap in a self-adaptive mode, and the flap angle between the blade body and the flap tends to be stable. The device is simple and compact in structure, light in self weight, high in strength, foldable and rapid to mount; when the blade works and the wind power is large, the flexible structure is affected by the wind power and can be bent upwards, and the stability of the whole blade is guaranteed. When the wind power is reduced, the flexible structure is affected by the pressure difference of the two air chambers and can be bent downwards, the operation efficiency of the blade at the low wind speed can be improved, and the effects of increasing efficiency and expanding stability are achieved.

The invention relates to the technical field of power systems, and discloses a half-wavelength controllable tuning method under the background of a dual-carbon and novel power system. Comprising the following steps: system evaluation and demand analysis: collecting power grid information and fusing dual carbon and novel power system demands to determine a tuning target and key parameters; designing a half-wavelength tuning strategy, determining tuning parameters by using a particle swarm optimization algorithm, formulating the strategy, and performing simulation optimization; selecting and configuring half-wavelength controllable equipment, evaluating performance indexes, selecting equipment, and reasonably configuring, installing and debugging; system integration and communication network construction: integrating equipment and constructing a reliable communication network to ensure information transmission; tuning implementation and monitoring are carried out, a control system is developed to send instructions, data are collected and analyzed to evaluate performance, and optimization is fed back according to results. According to the invention, the stability and adaptability of the power grid are enhanced, the intelligent development is promoted, the resource configuration and structure are optimized, the safety and sustainable development are guaranteed, and the challenges of dual-carbon and novel power systems can be effectively handled.

A generator operation vibration intelligent monitoring module disclosed by the present invention comprises a vibration sensor, a data acquisition unit, a data processing unit, a data storage unit, a data analysis and diagnosis unit and an alarm monitoring unit, the data acquisition unit is connected with the vibration sensor, the data processing unit is connected with the data acquisition unit, and the data storage unit is connected with the data analysis and diagnosis unit. The data storage unit is connected with the data processing unit, the data analysis and diagnosis unit is connected with the data storage unit, and the alarm monitoring unit is connected with the data analysis and diagnosis unit. The invention belongs to the technical field of generator monitoring, and particularly provides a method for performing real-time monitoring and intelligent analysis on vibration generated in the operation process of a generator by utilizing an advanced sensor technology and a data analysis method so as to find and prevent potential faults in advance and improve the fault diagnosis accuracy. And the operation reliability and safety of the generator are improved.

The invention relates to the technical field of nuclear power feed pumps, and discloses a variable-frequency and variable-speed starting feed pump for a nuclear power plant, which comprises a pump body, a driving shaft arranged in the pump body, a variable-speed motor arranged at one end of the driving shaft, an auxiliary water delivery assembly arranged on one side of the pump body, and a multi-stage impeller mechanism and an adjusting assembly arranged in the pump body, a main water inlet and a main water outlet are formed in the top of the pump body, water flow enters the front cavity from the main water inlet through the arranged auxiliary water conveying assembly and the multi-stage impeller mechanism, the speed adjusting motor runs at a low speed and drives the front impeller body and the rear impellers to rotate in the pump body through the driving shaft, and when the front impeller body rotates, the rear impellers rotate in the pump body. Water flow can be divided into two parts to be conveyed in two directions through the inner row of blades and the outer row of blades, so that the water flow and pressure are more stable, impact on key equipment is reduced, different working condition requirements are better met, and the effect of improving the stability and reliability of a system is achieved.

The invention relates to the field of temperature regulation, in particular to a temperature regulation method in a flour grinding process. The method comprises the following steps: monitoring and recording temperature in real time, and calculating a comprehensive adjustment parameter by using a comprehensive adjustment parameter calculation algorithm; and based on the comprehensive adjustment parameters, the adjusted grinding speed is calculated through a grinding speed dynamic adjustment algorithm, and the adjusted grinding pressure is calculated through a grinding pressure dynamic adjustment algorithm. The problems that a traditional temperature adjusting system usually only depends on temperature deviation for control, and influences of the temperature change rate and the temperature acceleration on the temperature adjusting process are neglected are solved; when the temperature changes violently, quick response cannot be achieved or excessive response is triggered; and the technical problems that the safe operation range of the grinding equipment is not fully considered, so that the equipment is possibly operated under extreme conditions, and the equipment loss is increased or the equipment is damaged are solved.

The invention discloses a self-adaptive adjustment floating type offshore photovoltaic power generation platform, which comprises a floating platform, a sleeve, a supporting rod, a first photovoltaic panel, an electromagnet, a magnetic attraction piece, a torque sensor and a controller, and is characterized in that the supporting rod is rotatably connected with the sleeve, the first photovoltaic panel is arranged at the other end of the supporting rod, and the electromagnet is arranged at the other end of the first photovoltaic panel; the controller is respectively connected with the torque sensor and the electromagnet, when a detection value of the torque sensor exceeds a preset value, the controller controls the electromagnet to be powered off, and when the torque sensor detects that the detection value of the torque sensor is lower than the preset value, the controller controls the electromagnet to be powered on. According to the floating type offshore photovoltaic power generation platform, the torque value of the supporting rod is detected in real time through the torque sensor, power-on and power-off of the electromagnet are automatically controlled according to the torque value, the first photovoltaic panel can conduct self-adaptive adjustment according to changes of the offshore environment, and the floating type offshore photovoltaic power generation platform better adapts to the complex and changeable marine environment.

The utility model discloses a full-liquid-receiving inner floating disc sealing mechanism which is characterized in that the upper surface of a tank body is fixedly connected with a top plate, the inner wall of the tank body is provided with a limiting groove, the interior of the tank body is slidably connected with a floating disc, the side surface of the floating disc is fixedly connected with a limiting block, the interior of the floating disc is provided with a cavity, and the left surface of the tank body is fixedly connected with an air cooler. The output end of the air cooler is fixedly connected with a conveying hose, the end, away from the air cooler, of the conveying hose is fixedly connected into the cavity, the lower surface of the floating disc is fixedly connected with a floating ball, the upper surface of the floating disc is fixedly connected with a steel wire rope, and the end, away from the floating disc, of the steel wire rope is fixedly connected with a shrinkage box. And stable guiding and restraining can be provided, it is ensured that the floating disc can move along a preset path in the lifting process, potential faults and potential safety hazards can be reduced, and the stable running state is kept.

This invention discloses a telescopic belt conveyor, belonging to the field of belt conveyor technology. It aims to solve the technical problem of the limited conveying form of traditional equipment in complex and changing working conditions. The invention includes a conveyor frame with a telescopic structure, a drive cabinet arranged on one side of the conveyor frame, and a roller mechanism arranged on the conveyor frame. This invention utilizes the spatial displacement of several roller group modules and the arc shape formed by the coordinated bending of these modules to guide materials towards the center through the centripetal guiding force generated by the curved surface, effectively solving the problems of spillage and uneven loading in bulk material conveying. By controlling the radial expansion of the combined components between the cylindrical components to form a cam structure, and coordinating with the alternating convergence of adjacent modules, the conveyor belt is forced to form a wave-shaped cross-section. The difference in the height of the crests and troughs simultaneously accommodates and limits bulk materials and forms multi-point anti-rolling contact for large materials, significantly improving conveying stability.

The utility model provides a waste calcium carbide remelting and upgrading conveying device, which belongs to the technical field of conveying devices, and comprises a crushing chamber, a rotator arranged in the crushing chamber, two first rotating shafts rotationally connected in the rotator, two crushers fixedly connected to the lower ends of the two first rotating shafts, and two second rotating shafts rotationally connected in the two crushers. The two first gears are fixedly connected to the circumferential surfaces of the two first rotating shafts, the gear ring is fixedly connected to the interior of the crushing chamber, and the first gears are meshed with the gear ring. Meanwhile, powder calcium carbide directly reaches the furnace bottom through the inside of the electrode and does not make contact with a furnace charge layer, current shunting is eradicated, waste products are directly added to the furnace bottom after being powdered and can be rapidly reacted and fused with semi-finished product calcium carbide, and electric energy consumption is greatly reduced.

The invention relates to the technical field of voltage support in a power system, in particular to a voltage support SVG regulation and control method and system for a new energy weak transmission end, and the method comprises the steps: determining and optimizing key parameters of an SVG device through a multi-dimensional voltage support optimization algorithm, and meeting the voltage support requirements; through a dynamic working condition self-adaptive voltage regulation and control algorithm, a control strategy is optimized, and real-time output of the SVG is automatically adjusted; an intelligent SVG multi-criterion type selection algorithm is utilized to select equipment, and system integration and debugging are completed; an SVG device is continuously optimized through real-time data monitoring and a global feedback optimization algorithm, and real-time voltage support is achieved; according to the optimized SVG model selection and control strategy, the voltage supporting capacity of a new energy weak sending end system is improved, it is ensured that the voltage is kept stable under the large disturbance and complex working conditions, the equipment requirement and cost are reduced, the resource utilization efficiency is improved, the dynamic response speed is improved, and guarantee is provided for stable operation of the new energy system.

The utility model provides a kind of motor rotor of permanent magnet auxiliary reluctance synchronization belongs to motor rotor technical field, including rotor core, the shaft hole for connecting rotating shaft is opened in rotor core, multiple permanent magnets are equipped on rotor core, multiple magnetic barriers are equipped on rotor core, both ends of rotor core are equipped with end plate, multiple permanent magnets and multiple magnetic barriers are equipped with magnetic separation strip between, multiple damping grooves are opened in rotor core outer wall, multiple damping grooves are equipped with damping block, multiple end plates are equipped with balance block, multiple damping blocks are equipped with heat dissipation plate between, both sides of rotor core are equipped with magnetic conducting ring, both ends of rotor core and end plate outer wall junction are equipped with sealing pad.The device is by setting magnetic separation strip between permanent magnet and magnetic barrier, so that user can prevent the magnetic flux leakage between permanent magnet and magnetic barrier;After motor operation, the distribution of internal magnetic field of motor can be optimized by the effect of magnetic separation strip, so that user can obtain more stable motor operating condition.

The utility model relates to the technical field of air distributors, in particular to a mining stainless steel air distribution device which comprises a barrel and air outlet pipes evenly distributed on the barrel, an air inlet portion is arranged at one end of the barrel, a cooling frame, a motor and fan blades are arranged in the air inlet portion, the motor is fixedly installed in the cooling frame, and the fan blades are fixedly installed in the cooling frame. The end of an output shaft of the motor and the middles of the fan blades are fixedly installed, the cooling frame is hollow, a water inlet pipe and a water return pipe are arranged on the air inlet part, a water tank is arranged above the air inlet part, and the top end of the water inlet pipe and the top end of the water return pipe are communicated with the water tank. According to the air distributor, efficient cooling of the motor can be achieved, it is ensured that the motor is always kept within a proper temperature range in the long-time working process, and therefore the stable operation and the normal working state of the motor are maintained, the service life of the motor is prolonged, and the overall working effect of the air distributor is improved.