59 results about "Energy cycle" patented technology

The utility model discloses a steam box with an energy recovery function. Comprising a support and a steam box fixed on the support and further comprises a steam generator, a pressure relief main pipe connected with the steam generator and a steam heat exchanger connected with the pressure relief main pipe through a first pressure relief branch pipe, and each steam chamber of the steam box is connected with the steam generator through a steam pipe. Each steam chamber of the steam box is further connected with a pressure relief main pipe through a second pressure relief branch pipe, the second pressure relief branch pipe is connected with a one-way valve, the steam pipe is provided with a steam valve, the outlet end of the pressure relief main pipe is connected with a pressure relief valve, and the end, located on the steam generator, of the pressure relief main pipe is connected with a steam speed increasing pump. During operation, the steam heat exchanger is used for recovering latent heat of bled steam, energy waste is avoided, and energy recycling is achieved; the steam speed increasing pump ensures stable circulating supply of steam, the steaming quality is guaranteed, all valves are reasonably arranged, the pressure and the flow direction of the steam are effectively controlled, and equipment damage and safety accidents are prevented.

The invention discloses a discharging control method, a power module and a charging system, and relates to the technical field of charging, the discharging control method is applied to the power module, the power module comprises a DC / DC conversion circuit, the DC / DC conversion circuit comprises at least one group of resonant power conversion loops, each resonant power conversion loop comprises a first power conversion module and a second power conversion module, the method is performed by a controller, the controller comprising a regulation loop, the method comprising: in the event of a power module shutdown, determining a first phase and a second phase based on a discharge demand; and under the condition that the first power conversion module discharges according to the first phase and the second power conversion module discharges according to the second phase, the first phase and the second phase are adjusted based on the electrical parameters and the adjusting loop, so that the DC / DC conversion circuit discharges normally. Therefore, self-discharge without an external discharge circuit can be realized, the cost and the size are saved, and the capacitor voltage is released through the loss of energy circulation in the circuit.

The utility model discloses an energy-saving device for hazardous waste incineration flue gas treatment, which comprises a hazardous waste treatment system and an energy circulation system which are matched with each other, and the hazardous waste treatment system comprises a rotary kiln (1), a secondary combustion chamber (2), a waste heat boiler (3) and a dry deacidification and bag-type dust collector (4), the energy circulation system comprises a flue gas heat collector (5), a wet slag drying system (6), a primary air heater (7), a secondary air heater (8) and a boiler feed water heater (9); an outlet of the bag-type dust collector (4) is connected with the flue gas heat collector (5), a waterway outlet (5a) of the flue gas heat collector (5) is respectively connected with the wet slag drying system (6), the primary air heater (7), the secondary air heater (8) and the boiler feed water heater (9) through four branches, and return water is connected with the flue gas heat collector (5) through a circulating pipe (24). The waste heat recycling device has the advantages that waste heat generated by hazardous waste incineration is effectively recycled, and the hazardous waste disposal cost is reduced.

The invention discloses a radiation refrigeration material based on evaporative cooling synergistic enhancement and a preparation method and application thereof.The material comprises a radiation refrigeration layer, a moisture power generation layer and a base material supporting layer, and integration of three passive cooling and energy collection functions of passive refrigeration, evaporative cooling and moisture power generation is achieved on fabric; the limitation that all functions exist independently and are difficult to cooperate in the prior art is broken through, the three functions are organically combined and synergistically interacted on the same fabric platform, a complete energy closed-loop system of passive cooling, energy collection and active adjustment / sensing is achieved, energy circulation of the environment and the human body is completely relied on, and the energy utilization rate is improved. And a brand-new functional solution is provided for the wearable device.

The application relates to the technical field of energy consumption control, and discloses a circulating system energy consumption control method and system for a large laundry room and a storage medium. The method adopts an inverse Carnot cascade heat pump system to construct series-connected low-temperature and high-temperature circulating systems, the systems are connected through an intermediate heat storage water tank, and the tank supplies cold air for an air supply system, hot water for a hot water system and steam for a steam system. The water temperature of the heat storage water tank and the output temperature of the high-temperature system are acquired in real time, the temperature distance is calculated based on a temperature distance algorithm, and the cold quantity, the hot water quantity and the steam quantity are dynamically adjusted through a differential coefficient. The application realizes cascade energy circulation reuse of cold, hot water and steam, reduces low-grade waste heat emission and improves the comprehensive energy utilization efficiency.

This invention discloses a system and method for treating acidic copper-containing etching wastewater based on heat pump coupling regulation, belonging to the field of industrial wastewater treatment and resource recovery technology. Addressing the shortcomings of existing PCB industry acidic copper chloride etching wastewater treatment processes, such as low resource recovery rates, high energy consumption, and the generation of hazardous waste and secondary pollution, this invention constructs a closed-loop system comprising pretreatment and reaction, humidification and concentration, dehumidification and absorption, and heat pump energy circulation. Through a metathesis reaction coupled with humidity regulation, combined with a closed-loop heat pump cycle, simultaneous recovery of copper, hydrochloric acid, and water is achieved. This invention improves copper and hydrochloric acid recovery rates, generates no hazardous waste, reduces power consumption per ton of water treated, and lowers operating costs compared to traditional processes, offering excellent environmental and economic benefits.

The invention provides a circulating power storage circuit which comprises a dual-power switching circuit, an inverter circuit, a feedback circuit, a rectifying circuit, a charging circuit and an intelligent control circuit. According to the invention, a first alternating current power can be converted into potential energy or kinetic energy of a coupled energy storage device through a starting motor, and a second alternating current power converted from the potential energy or the kinetic energy can be obtained through a power generation motor coupled with the energy storage device. By means of the structure, energy is cyclically stored in the energy storage device and the external environment of the energy storage device, and a battery or a chemical energy storage system which is expensive and needs to be maintained frequently is replaced.

The application discloses a mine truck cableway energy circulation system and a collaborative control method. The circulation system comprises a mine truck, an energy hub vehicle, a mine area power grid and a control center. The mine truck is connectable with another mine truck. The energy hub vehicle is connectable with the mine truck. The mine area power grid is connectable with the mine truck and the energy hub vehicle. The control center is signal-connected with each mine truck and the energy hub vehicle. The collaborative control method comprises an uphill scheduling method and a downhill scheduling method. The uphill scheduling method is that when the residual power of an uphill mine truck is lower than a minimum threshold, another mine truck or the energy hub vehicle on the downhill is used to charge the uphill mine truck. The downhill scheduling method is that when the residual power of a downhill mine truck is higher than a maximum threshold, the downhill mine truck is used to charge another mine truck or the energy hub vehicle on the uphill. Compared with the prior art, the circulation system and the collaborative control method fully recover the downhill energy of the mine truck through the direct connection of the uphill and downhill mine trucks or the energy storage and transfer of the energy hub vehicle, and thus the waste of energy is avoided.

The invention is suitable for the field of printing technology improvement, and provides a printing VOCs waste gas treatment method and system based on intelligent shunting and energy circulation, and the system comprises a pretreatment module, an intelligent shunting module, a core treatment module, a tail end guarantee module and an energy intelligent management module; the pretreatment module is used for treating waste gas through a G4-stage filter screen, an electrostatic dust collector and a jet condensation dehumidifier in sequence; the intelligent shunting module smoothly shunts according to a 800mg / m reference threshold value by means of PID control; in the core processing module, RCO and a zeolite rotating wheel are cooperatively processed; the tail-end guarantee module ensures that the standard is reached through a rotary activated carbon wheel without shutdown; the energy module integrates solar energy and waste heat gradient utilization and is provided with a fault-tolerant mechanism. According to the method, waste gas is treated through the steps of pretreatment, intelligent flow division, core treatment, energy recovery, emergency guarantee and tail end emission. The energy consumption is reduced by more than 40%, the purification efficiency is over 98%, the stability is high, the system is suitable for multiple industries, and the operation and maintenance cost is low.

The invention discloses an energy cycle optimization method and system based on cross-domain collaboration, and relates to the technical field of environmental protection and biomass energy crossing. Comprising a collaborative data interaction unit used for acquiring synchronous cross-domain data of a water treatment end and a biomass natural gas end; the AI cross-domain optimization unit is used for matching sludge supply and demand with wastewater reuse according to the standardized cross-domain data set by using a resource matching prediction model, and performing global parameter optimization on a matching result by using a cross-domain process optimization model; generating corresponding execution parameters according to the optimized global parameters by utilizing a flora sludge adaptation model and a water quality wastewater adaptation model in combination with an actual energy cycle scene; and the intelligent early warning unit is used for carrying out cascading failure risk identification on the cross-domain data based on the cross-domain failure correlation model. According to the method, the cross-domain operation efficiency and the resource utilization rate can be greatly improved, and full-chain closed-loop circulation optimization of multiple cross-domain data such as sludge, energy and water resources is realized.

The present invention discloses a gravity and buoyancy-based renewable energy generation system (100), comprising vertically oriented J-shaped water columns (102) arranged in parallel rows with shared walls. Each column houses multiple steel buckets (104). A mechanical filling and transfer system (106), which includes a horizontal circular disk and straight transfer channel (112), facilitates continuous loading of buckets with the high-density material. Loaded buckets are stacked within an inclined gate stack (108) at a lower end of each column to initiate gravitational descent. Upon completing the energy cycle, emptied buckets form a vertical stack in an air pipe positioned above rim pulleys for redirection into the next descent cycle. Additionally, vertical lifting column (110) elevates discharged high-density materials using hydrostatic pressure derived from the surrounding water column. The system (100) converts vertical mass movement into mechanical power, enabling efficient and repeatable energy generation through synergistic use of gravity and buoyancy forces.

The invention relates to a self-contained motor and application of an elliptic cylinder permanent magnet. The invention relates to a plurality of fields such as military, civil, agriculture, industry, aviation, spaceflight, land, overwater, underwater and various transportation tools needing motors or adopting motors, and various production and life equipment. According to the invention, the structure of the motor is changed, so that the motor not only exerts the function, but also generates electric energy for the motor and the load to operate, thereby achieving the effect of energy cycle conversion; according to the technology, various mechanical equipment in the future can be free of dependence on natural resources such as petroleum, natural gas, coal and solar energy, and the environment-friendly requirement is met.

The invention discloses an intelligent air circulation control power generation system and method, and belongs to the technical field of power generation equipment. The system comprises a permanent magnet brushless generator, a permanent magnet brushless direct current motor, an energy storage battery system, an electric control converter and an air circulation control unit. The energy storage battery system drives the direct-current motor and further drives the generator to generate electricity; part of electric energy output by the generator is processed by the electric control converter and then is recharged to the energy storage battery to form energy circulation; the air circulation control unit is responsible for system heat dissipation and liquid cooling. By means of internal energy circulation and intelligent cold and heat management, energy borrowing independent of any external fossil fuel oil material is achieved, 380V industrial electricity and 220V household electricity can be output at the same time, the system has the advantages of being clean, efficient and stable in operation, and a new technical path is provided for solving the problems of energy shortage and environmental protection.

The invention discloses an energy circulation and regulation management system of a hydrogen power device, which comprises an ammonia gas supply unit, a hydrogen power unit and a hydrogen power unit, the reaction separation unit comprises a combustion chamber; the integrated reaction separator is provided with a gas inlet, a hydrogen outlet and a tail gas port; an outlet of the ammonia gas supply unit is respectively communicated with the combustion chamber and a gas inlet of the integrated reaction separator; the combustion chamber exchanges heat with the integrated reaction separator and is used for providing reaction heat for the integrated reaction separator; a catalytic reaction area for catalytic cracking of ammonia gas, a dielectric barrier discharge area for ionization of gas and a hydrogen permeation membrane area for separation and purification of hydrogen are integrated in the integrated reaction separator; the power generation unit comprises a hydrogen fuel cell reactor, and the hydrogen input end of the hydrogen fuel cell reactor is communicated with the hydrogen outlet of the integrated reaction separator; the electric energy input end of the energy management unit is connected with the electric energy output end of the hydrogen fuel cell reactor, and the energy management unit is used for distributing electric energy to the energy storage device and the power output device.

The application discloses a discharge control method, a power module and a charging system, relates to the technical field of charging, and is applied to the power module. The power module comprises a DC / DC conversion circuit, the DC / DC conversion circuit comprises at least one group of resonant power conversion loops, the resonant power conversion loop comprises a first power conversion module and a second power conversion module, wherein the method is executed by a controller, the controller comprises an adjusting loop, and the method comprises the following steps: in the case that the power module is shut down, a first phase and a second phase are determined based on a discharge demand; and in the case that the first power conversion module discharges according to the first phase and the second power conversion module discharges according to the second phase, the first phase and the second phase are adjusted based on an electric parameter and the adjusting loop, so that the DC / DC conversion circuit normally discharges. Therefore, self-discharge without an external discharge circuit can be realized, cost and volume are saved, and capacitor voltage is released through the loss of internal energy circulation of the circuit.

The invention belongs to the technical field of energy feedback, and provides an energy feedback converter voltage stabilization and current stabilization test system and method. The system comprises a DC power supply, an improved three-phase inversion module, two ADC sampling modules, two air switches, a three-phase load module, two SPWM modules, an STM32F407 module, a screen display module, a matrix key module, a three-phase common mode inductor and an improved three-phase rectification module. The three-phase inversion topology and the three-phase bridgeless APFC rectification topology are cascaded, a BOOST circuit is omitted in the bridgeless APFC rectification, the power factor is higher, the power consumption is reduced, and compared with a bridge rectification scheme, the energy utilization rate is improved; and meanwhile, a DC-AC-AC-DC energy circulation system is constructed, most of energy is subjected to closed-loop backflow, only system loss is supplemented, the output power of a direct-current power supply is as low as 13.13 W to 14.93 W, and the energy consumption of the system is reduced.

This invention discloses an energy cycle optimization method and system based on cross-domain collaboration, relating to the interdisciplinary fields of environmental protection and biomass energy. It includes: a collaborative data interaction unit for acquiring synchronous cross-domain data from water treatment and biomass natural gas sources; an AI cross-domain optimization unit for matching sludge supply and demand with wastewater reuse using a resource matching prediction model based on a standardized cross-domain dataset, optimizing global parameters of the matching results using a cross-domain process optimization model, and generating corresponding execution parameters based on the optimized global parameters using a microbial sludge adaptation model and a water quality / wastewater adaptation model, respectively, in conjunction with actual energy cycle scenarios; and an intelligent early warning unit for identifying cascading failure risks in cross-domain data based on a cross-domain fault correlation model. This invention can significantly improve cross-domain operational efficiency and resource utilization, achieving a closed-loop cycle optimization of the entire chain of cross-domain data, including sludge, energy, and water resources.

A surgical instrument includes an end effector and a controller. The end effector includes a first jaw, a second jaw, and an electrode associated with the first jaw. The first jaw and the second jaw can move between an open position and a clamped position in order to grasp tissue. Further, the electrode emits a therapeutic energy cycle to seal the grasped tissue. The controller can measure an impedance parameter associated with the end effector and compare the measured impedance parameter with an upper predetermined threshold. Further the controller can generate a cleaning instruction or alter an energy delivery algorithm of the RF therapeutic energy cycle if the measured impedance parameter is greater than the upper predetermined threshold.

This invention discloses a methanol reforming fuel cell system and its operating method based on an independent cold-start path, belonging to the field of fuel cell vehicle energy technology. This system, designed for cold-region applications, innovatively employs a dedicated cold-start path comprised of components such as a catalytic combustion chamber. In frigid environments around -30°C, catalytic combustion is initiated via this path, generating heat that directly provides the necessary start-up heat for the high-temperature proton exchange membrane fuel cell, while simultaneously preheating the fuel evaporation chamber and reforming chamber. This overcomes the bottleneck of low chemical reaction rates at low temperatures, achieving rapid cold start. After the system stabilizes, it switches to the main power generation path, and the fuel cell exhaust gas is treated in the catalytic combustion chamber, achieving energy recycling and near-zero pollutant emissions. This invention effectively solves the difficulties of cold start-up and exhaust gas pollution in methanol reforming fuel cells in cold regions, with a wide operating temperature range (-30°C to 40°C), making it suitable for methanol fuel cell vehicles.

The invention discloses a device and a method for hydrogen production based on a biomass high-temperature gasification technology, and relates to the field of biomass hydrogen production, and the device comprises a solid feeding compressor and a biomass gasification furnace; the biomass gasification furnace comprises a combustion chamber at the lower part and a high-temperature gasification chamber at the upper part; a synthesis gas outlet of the high-temperature gasification chamber is connected with the waste heat boiler through a tar removal device; the system further comprises a bag-type dust collector, a material returning device and a modular purification hydrogen production device. According to the technical scheme, a biomass hydrogen production system which is efficient, clean and sufficient in resource utilization is constructed through a systematized process and structural design. The technical core is that links of biomass high-temperature gasification, deep purification, modular hydrogen extraction and the like are organically integrated to form a closed-loop system in which internal energy circulation and material recycling are closely coordinated.

The application discloses a kind of outer rotor magnetic suspension bearing's double-rotor large energy storage equipment magnetic suspension bearing, including base, double motor, elastic diaphragm coupling, radial magnetic bearing, electromagnetic loading assembly, outer rotor and inner rotor.Outer rotor is coaxially nested envelope in the outside of inner rotor, is made of carbon fiber composite material to promote energy storage inertia;Radial magnetic bearing realizes the non-contact support of double rotor by controlled electromagnetic force;Electromagnetic loading assembly is distributed in key stress position, for applying active load or vibration suppression force.Control system integrates electric eddy current sensor, uses interval control algorithm based on uncertainty quantification, parameter fluctuation is handled as bounded interval variable, dynamically calculates displacement envelope line and actively adjusts stiffness and damping, suppresses nonlinear vibration and prevents rub-impact.The application has the advantages of large energy storage density, strong anti-rubbing ability, high running stability, etc., can significantly improve the reliability and energy cycle efficiency of large flywheel energy storage equipment under extreme conditions.

The invention provides a harmless treatment and resource utilization method for coupling household garbage incineration fly ash with retired fan blades. The harmless treatment and resource utilization method comprises the following steps: mixing washed fly ash and fan blade particles according to a mass ratio of (3-5): 1, and drying; pyrolyzing the dry mixture at two temperature intervals of 300-350 DEG C and 650-800 DEG C, and carrying out carbonization upgrading reaction to obtain a heat treatment product; adding water into a heat treatment product according to a liquid-solid ratio of 3: 1, placing the heat treatment product in a reaction kettle, staying for 20-30 minutes at the temperature of 90-95 DEG C, and repairing fibers of the heat treatment product to obtain a fiber mixture; and preparing the high-strength fiber concrete by using the fiber mixture as an admixture. According to the method, through process coupling and energy circulation, the two kinds of solid waste difficult to dispose are converted into the high-strength building raw materials at low cost, and the method has both environmental benefits and economic benefits.

This invention discloses a multi-domain energy recovery self-circulating power supply system. It employs a dynamic adaptive switching threshold, performing inter-group switching based on the energy cycle balance of at least two electrically independent energy storage units. It prioritizes shallow discharge and frequent switching within the sufficient power range and can switch to an extended hybrid operation structure depending on the operating conditions, with a 20% discharge protection baseline. An external energy absorption and conversion module and an internal energy recovery module first send energy and signals to an intelligent energy management chip, then the energy scheduling and seamless switching module uniformly distributes the energy, forming an uninterrupted internal charge closed-loop cycle. This system uniformly recovers internal waste heat, waste electricity, vibration energy, residual electromagnetic energy, and external solar energy, ambient thermal energy, and ambient radio frequency energy. The system adopts a time-sharing independent drive control strategy, achieving short-term power superposition transitions only during instantaneous operating conditions. Combined with hybrid physical isolation and millisecond-level safety protection, it achieves high safety, long endurance, high energy efficiency, and adaptive power supply under all operating conditions. This invention can be widely applied to vehicles, robots, drones, and field and industrial power supply equipment. The pure electric operation structure can operate autonomously without an external power grid or fossil fuels, possessing excellent practicality and safety.

The invention relates to the technical field of power system automation control, in particular to a grid dynamic coordination optimization method, system and device based on a power grid and a medium. Voltage fluctuation characteristics and load change gradients of nodes of the power grid are collected in real time, and instability early warning coefficients of the nodes of the power grid are calculated through chaotic evolution analysis; when the instability early warning coefficient exceeds a dynamic stability threshold value, extracting a grid region to which the node belongs, and constructing a multi-grid game utility function; the power adjustment range and the voltage constraint condition of each grid are input into a biological metabolism dynamics engine, and the power distribution weight of each grid is calculated through an ATP-ADP energy circulation mechanism; iteratively calculating an optimal power distribution strategy through an evolutionary game equilibrium solver based on the power distribution weight; generating a dynamic boundary impedance adjusting instruction according to the optimal power distribution strategy, and packaging the dynamic boundary impedance adjusting instruction and the interconnection switch operation sequence into a control message; and analyzing the control message into a three-dimensional operation guide animation through the augmented reality interaction platform, and executing power grid coordination optimization after the three-dimensional operation guide animation is confirmed by a gesture of an operator.

This invention relates to the field of vehicle technology, and provides a vehicle energy control system and a rail vehicle. The system comprises a carriage energy unit, a traction equipment energy unit, and an energy supply energy unit that respectively feed back first energy information, second energy information, and third energy information to a control unit. The control unit is used to control the carriage energy unit and the traction equipment energy unit to perform energy mutual circulation, and to control the traction equipment energy unit to perform energy self-circulation, based on the first and second energy information. The control unit is also used to control the carriage energy unit and the energy supply energy unit to perform energy mutual circulation, and to control the energy supply energy unit to perform energy self-circulation, based on the first and third energy information, thereby maximizing the vehicle's energy recycling and achieving the goal of energy conservation and consumption reduction.

The application discloses a waterway dredging slurry treatment process and device based on water conservancy projects, relates to the technical field of waterway dredging slurry treatment, and specifically comprises a drying cabin, wherein the drying cabin comprises a storage rack, a dehydration and solid discharge mechanism and a rotary distributing mechanism; the energy cycle innovation is adopted, the tail gas of a diesel engine is directly captured as a drying heat source, external energy supply is replaced, the energy consumption constraint of a mobile device is broken, the dehydration-drying integrated design is adopted, the centrifugal dehydration and thin-layer heat drying are combined, the water content is reduced to below 15%, the speed is increased by 50% compared with plate and frame filter pressing, the sleeve and the impact rod are linked to scrape the surface of the sleeve through the scraping plate, the adhesion and blockage problems are solved, and continuous treatment of high-viscosity slurry is ensured; that is, through the dual paths of process innovation and equipment integration, an efficient, low-consumption and mobile solution is provided for the treatment of dredging slurry, and the technical blank in the field of on-board real-time treatment is filled.

The present specification provides an aircraft wheel assembly capable of energy conversion, comprising: an energy storage device, a switching device, a wheel hub motor and a control device; the wheel hub motor converts the electrical energy stored in the energy storage device into mechanical energy to drive the rotation of the aircraft wheel, matches the linear velocity of the aircraft wheel with the speed of the aircraft, and converts the mechanical energy generated by the rotation of the aircraft wheel into electrical energy and stores it in the energy storage device; the switching device connects the power supply path and disconnects the recovery path during the landing stage of the aircraft, so that the wheel hub motor works in the motor mode under the control of the control device, and disconnects the power supply path and connects the recovery path during the taxiing stage of the aircraft, so that the wheel hub motor works in the generator mode. The aircraft wheel assembly capable of energy conversion provided by the present specification can reduce tire wear during grounding, prolong the tire replacement cycle, and realize energy recycling.

This invention discloses a composite ammonia-hydrogen fuel cell system and control method suitable for heavy-duty trucks. The system includes an ammonia supply unit, a first refrigeration unit, a second refrigeration unit, a heat exchanger, an ammonia-hydrogen production unit, and a power generation unit. The first refrigeration unit uses liquid water as a medium, forming a cycle through a first evaporator, a water cooler, and a three-way valve, for the vaporization of ammonia and preliminary cooling of the decomposed gas. The second refrigeration unit uses ammonia-water as a medium, forming an absorption refrigeration cycle through a second evaporator, a condenser, an absorber, and a generator, for deep cooling of the hydrogen-nitrogen mixture. The ammonia-hydrogen production unit employs a dual-mode reactor with electric heating and exhaust gas heat exchange to improve energy utilization efficiency. This invention replaces traditional forced cooling with fan-based cooling by the coordinated operation of two refrigeration units, significantly reducing system energy consumption, improving energy recycling efficiency and operational stability, and ensuring the efficient and reliable operation of the fuel cell under the complex operating conditions of heavy-duty trucks.

The invention discloses an energy circulation type power supply testing device, and relates to the field of power supply testing. The device comprises a capacitor, a power consumption compensation power supply, a power supply matching circuit, a phase-shifted full-bridge power supply and a control module. Two ends of the capacitor are connected with a tested power supply input end. The power compensation power supply connects an external power grid and the capacitor. The power matching circuit is connected with the output end of the tested power supply and the input end of the phase-shifted full-bridge power supply; the output end of the phase-shifted full-bridge power supply is connected with a capacitor to form internal energy circulation. The control module controls constant current output of the phase-shifted full-bridge power supply through the load-pulling current control circuit to follow a load-pulling current given value, and controls the power consumption compensation power supply to provide capacitance compensation voltage through the power supply voltage control circuit to maintain the voltage stability of the power consumption compensation power supply. According to the invention, the power grid capacity required by the high-power test is reduced to the system loss level, the requirement on the power supply condition of a test site is obviously reduced, the utilization efficiency of electric energy is improved, and the integration of power supply and load pulling functions is realized.