39results about How to "Large power adjustment range" patented technology

The invention discloses a digital power control circuit, which is applied to an class E power amplifier with low power output, and comprises a stage matching circuit and an output amplifier stage, wherein, the stage matching circuit is used for effective cascade of an amplifier, and the output amplifier stage is used for amplifying signal power. An output terminal of the stage matching circuit is connected with an input terminal of the output amplifier stage; a controllable amplifier stage used for pre-magnification function and signal amplitude gain control is connected with the input terminal of the stage matching circuit, and the input terminal of the stage matching circuit is connected with the output terminal of the controllable amplifier stage; the input terminal of the output amplifier stage is connected with a bias control circuit used for adjusting the grid bias voltage entering a switching transistor of the output amplifier stage; and the input terminal of the output amplifier stage is connected with the output terminal of the bias control circuit through an inductor. The digital power control circuit increases the output power range and output power efficiency, and has the advantages of simple and reliable circuit organization and easy integration of monolithic circuits.

The invention relates to a loader quantitative-variable hydraulic system and aims to overcome the defect that the input power of a variable pump in the existing quantitative-variable hydraulic system accounts for a large amount. The invention further discloses a power control valve. A first cavity in a valve body is communicated with a port PLS and acts on the right end of a main valve element. A valve element spring is disposed at the left end of the main valve element. A valve sleeve sleeves the main valve element. A second cavity is communicated with a port P1 and acts on the right end of the valve sleeve. A third cavity is communicated with a port P and acts on the left end of the valve sleeve. A valve sleeve spring provides leftward elastic force for the valve sleeve. An oil drainage passage communicated with the third cavity and a port T are formed in the main valve element and the valve sleeve. When the main valve element moves leftwards relative to the valve sleeve, the oil drainage passage is communicated. When the main valve element moves leftwards relative to the main valve element, the oil drainage passage is reduced or closed. The power control valve has the advantages that the valve sleeve and the main valve element form a follow-up mechanism, the input power of the variable pump of the loader quantitative-variable hydraulic system can be controlled by the power control valve, and the input power is prevented from accounting for a large amount.

The invention provides a complementary metal-oxide-semiconductor transistor (CMOS) radio frequency power amplifier integrated on a system on chip. The power amplifier is integrated on the system on chip (SOC) to achieve the function of output signal power amplification, and the power amplifier comprises a biasing circuit, a first stage amplifying circuit, a second stage amplifying circuit, and an output matching circuit. The power amplifier is realized by using a CMOS process and well integrated on the SOC, and thus, power control and pulse width modulation (PWM) can be achieved by using a single chip; compared with prior power amplifiers realized by using discrete components or III-V group compound semiconductors, the power amplifier has the advantages that dual power is adjustable, an individual external control chip is not required, costs of an application system are greatly saved, system debugging is facilitated, multi-band frequency output power is adjustable, and the power amplifier can be widely applied to various application in the range of 10 MHz to 1 GHz.

A DC arc plasma torch with high efficiency, long life and wide power range comprises a gas distributor, an integrated electrode, an electromagnetic coil and a plasma torch shell. The integrated electrode, the electromagnetic coil and the plasma torch shell are arranged in a sleeving manner in turn from inside to outside. The gas distributor is arranged at the head of the plasma torch shell, and anexternal ionizing medium gas is sprayed tangentially into the inner cavity of the integrated electrode and forms a spiral airflow in the inner cavity after passing through the gas distributor. The anode and the cathode of the integrated electrode are separated by an insulator, an arc is generated between the anode and the cathode, and the arc breaks down the spiral airflow to form an arc plasma jet. The positive pole of an external power supply is connected with the winding head end of the electromagnetic coil. The winding tail end of the electromagnetic coil is connected with the anode. Thecathode is connected with the negative pole of the external power supply and grounded. The problems of low heat conversion efficiency and short electrode life caused by the mismatch between the magnetic field and the plasma parameters during wide-range power regulation of the DC arc plasma torch are solved.

The invention discloses a circuit and a method for a resonant network, and specifically discloses a power conversion circuit. The power conversion circuit comprises a square wave generator, a resonant network, a transformer and a controller. The square wave generator is used for generating a square wave power. The resonant network is used for receiving the square wave power and outputting a first resonance power. The resonant network is composed of a capacitor, an inductor and a controllable capacitive device. The transformer is connected with the controllable capacitive device, and is used for receiving the first resonance power and outputting a second resonance power. The second resonance power after rectification is supplied to a load. The controller is used for generating an on-off signal based on the result of comparison between a threshold signal and a signal calculated according to at least one detection signal of the load, and supplying the on-off signal to the controllable capacitive device.

The invention discloses a droop-PQ type micro-grid inverter power supply with hysteretic characteristics. The droop-PQ type micro-grid inverter power supply comprises distributed primary energy, a detection module, a control module, a driver module and an inverter convertor bridge. The detection module comprises a sampling unit and an input signal processing unit; the control module is used for generating control signals acting on the driver module in the mode that information of active power and reactive power, sent by the detection module, of a system is compared with a power limit value preset for the power supply; a control method of the control module involves droop-PQ control, and the control module has four threshold values; the driver module comprises a PWM generating circuit and a drive amplifying circuit; the inverter convertor bridge is used for connection and electric energy conversion between the distributed primary energy and a micro-grid. The droop-PQ type micro-grid inverter power supply enlarges the power regulation range, provides stable voltage and frequency and enables the system to operate reliably and stably and to have good anti-disturbance performance.

The invention discloses a divergent porous medium burner. The burner comprises a shell, a porous medium and baffle bricks. The burning end of the shell is of a cone structure or a tetragonal pyramid structure. The air inlet end of the shell is of a cylinder structure or a tetragonal prism structure. The porous medium is charged into a burning end shell body of the shell. The baffle bricks are located between the porous medium and the air inlet end of the shell. An air inlet is formed in the shell side wall of the air inlet end of the shell. A fuel gas inlet is formed in the wall surface of theshell axis end of the air inlet end of the shell. The gas inlet direction of the fuel gas inlet is perpendicular to the air inlet direction of the air inlet. The taper range of the burning end of theshell is 0-45 degrees. The porous medium has four charging modes including the uniform charging mode, the axial step charging mode, the radial step charging mode and the axial tapered charging mode.By means of the divergent porous medium burner provided by the invention, the phenomena that flames are not uniformly distributed and are unstable can be effectively avoided, and the burner has the characteristics of large power regulating range, more thorough burning and higher burning efficiency.

The invention provides a load optimization control method based on hybrid energy storage. The load optimization control comprises three parts, namely optimization target setting, constraint condition setting and model solution, wherein an operation control target and an economic target are involved in optimization target setting; power balance constraint, maximum power constraint, load switching time interval constraint and load user experience constraint are involved in constraint condition setting; for model solution, a hybrid energy storage power value and a load switching number can be obtained by use of a two-section solution method. The load optimization control method based on hybrid energy storage can be applied to the assessment and verification of the microgrid control technology, and the method is reasonable, simple to realize and capable of meeting the practical requirements of microgrid simulation experiments and technical verification. The load optimization control method based on hybrid energy storage is applicable to the verification of the energy storage technology of a scientific research institution and an enterprise.

The invention relates to a multistage Stirling engine and a steady-state operation parameter regulating and controlling method thereof. According to the multistage Stirling engine, multiple Stirling work units are formed by mechanical energy input pistons, mechanical energy transferring double-acting free pistons and mechanical energy output pistons. The mechanical energy input pistons are connected with mechanical energy input devices, and the mechanical energy output pistons are connected with mechanical energy output devices. When the Stirling engine serves as an engine, small mechanical energy is input into the mechanical energy input pistons in one group of pistons, and after the mechanical energy is amplified by the multi-stage Stirling units, large mechanical energy is output by themechanical energy output pistons. According to the multistage Stirling engine and the steady-state operation parameter regulating and controlling method thereof, a needed piston motion manner is achieved through parameter calculation, selection and designing, and therefore the multistage Stirling engine can adapt to the change of the input conditions and regulate the output power according to needs. The multistage Stirling engine is simple in structure, good in regulation performance, small in mechanical loss, small in noneffective volume and suitable for adopting large-diameter pistons, andcan be widely used for waste heat power generation and distributed energy and renewable energy power generation.

The present invention discloses an electromagnetic induction heating reaction kettle, which comprises a kettle body for placing a material, a stirring device arranged inside the kettle body and used for stirring the material, and a bracket connected to the bottom portion of the kettle body and used for supporting the kettle body, wherein the kettle body comprises a kettle body bottom housing and a kettle body upper housing arranged on the kettle body bottom housing, the electromagnetic induction heating reaction kettle further comprises an electromagnetic induction heating coil connected to a high-frequency power supply, and the electromagnetic induction heating coil is suspended below the kettle body bottom housing and is electrically insulated from the kettle body bottom housing so as to heat the kettle body bottom housing. According to the present invention, the electromagnetic induction heating technology is utilized, and the electromagnetic induction heating coil is arranged on the bottom portion of the kettle body and is adopted as the heating source to replace the steam supply of the boiler room, such that the thermal efficiency is high, the power adjustment range is large, the heating temperature can achieve 250 DEG C, no steam condensed water participates in the material, and the good effects of high efficiency, strong controllability and no pollutant introduction are achieved.

The invention discloses a nuclear reactor and solar energy photo-thermal power generation combined system which comprises a first circulation loop, a second circulation loop and a third circulation loop. The first circulation loop is provided with a nuclear reactor and a heat exchanger. Heat generated by the nuclear reactor is transmitted into the heat exchanger through a circulation pipeline on the first circulation loop. A solar heat collecting module and a steam generator are arranged on the second circulation loop. Heat generated by the solar heat collecting module and the nuclear reactoris transmitted to the steam generator through the second circulation loop to generate steam, and the steam is conveyed to a steam drive turbine on the third circulation loop. The steam drive turbine drives a power generator to generate power. By means of the nuclear reactor and solar energy photo-thermal power generation combined system, the nuclear reactor is combined with solar photo-thermal power generation, the nuclear reactor and solar energy photo-thermal power generation combined system is formed, the problem that solar energy photo-thermal power generation cannot be achieved at night,and consequently a unit is frequently started and stopped is solved, and the solar energy photo-thermal power generation stability is improved.

The invention discloses a power-variable fan heater core assembly, which comprises a fan heater core. The two ends of the fan heater core are composed of mounting seats; a first water chamber and a second water chamber are formed in the two mounting seats correspondingly; a plurality of evenly-distributed heat dissipation fins, a PTC heating pipe and a heat dissipation aluminum pipe are horizontally arranged between the two mounting seats; the PTC heating pie, a driving motor and a transmission are all electrically connected with a microprocessor; reinforcing plates are arranged on the positions, on the outer sides of the two heat dissipation fins on the outer side, between the mounting seats correspondingly, outer protection plates are arranged on the outer sides of the reinforcing plates, and the first water chamber and the second water chamber communicate through the heat dissipation aluminum pipe; and an opening of the first water chamber is connected with a water feeding pipe, andan opening of the second water chamber is connected with a water discharging pipe. The transmission is controlled by the microprocessor to adjust the speed of the driving motor, the rotating speed ofa fan and the output power of the PTC heating pipe are changed, thus the power adjustment range of a fan heater is effectively enlarged, and the power span between all gears is small so that electricenergy can be effectively saved.

The invention discloses a high-efficiency variable gain E-type radio frequency power amplifier which comprises a controllable amplifier stage. The controllable amplifier stage is connected at an input end of an interstage matching circuit and is used for pre-expanding control of function and signal amplitude gain. The input end of the interstage matching circuit is connected with an output end of the controllable amplifier stage. An input end of an output amplifier stage is connected with a bias control circuit which is used for adjusting grid electrode bias voltage entering a switch transistor of the output amplifier stage. The input end of the output amplifier stage is connected with an output end of the bias control circuit through an inductor. According to the high-efficiency variable gain E-type radio frequency power amplifier, signal amplitude and a duty ratio control method are combined, and the purpose of control of output power of the nonlinear E-type power amplifier is achieved. Compared with an original E-type power amplifier power control method, output power range and output power efficiency are improved obviously.

The invention relates to a multi-channel broadband power-digitally-adjustable frequency conversion system and a control method thereof. The system comprises an FPGA chip, a direct digital frequency synthesizer, a mixer, a switch filter assembly, a temperature compensation attenuator, a first amplifier and a multi-channel power adjustable module. The input end of the direct digital frequency synthesizer is connected with a reference frequency; the output end is connected with the input end of the mixer; the output end of the mixer is connected with the input end of the temperature compensationattenuator through the switch filter assembly. The output end of the temperature compensation attenuator is connected with the input end of the multi-channel power adjustable module through the firstamplifier. The output end of the multi-channel power adjustable module is a radio frequency output end, and the direct digital frequency synthesizer, the frequency mixer, the switch filter assembly and the SPI communication interface of the multi-channel power adjustable module are connected with the I / O port of the FPGA. According to the system, the number of control ports can be reduced, multi-channel radio frequency output can be realized, the channels are mutually independent, the power regulation range is large, the power attenuation can be digitally and accurately controlled, and good spurious suppression is achieved.

The invention relates to an application method of a thermal power flexibility multi-source coordination'active balance 'process system, which is characterized by comprising the following steps of: setting a thermal power flexibility multi-source coordination'active balance service' process system which comprises a flywheel energy storage frequency modulation system, a fused salt energy storage frequency modulation system and a thermal power flexibility'active balance 'process monitoring control system; controlling a flywheel energy storage frequency modulation system to provide rotational inertia or primary frequency modulation active balance service of the thermal power plant; a flywheel energy storage frequency modulation system and a fused salt energy storage frequency modulation system are fused with a thermal power generating unit to form a virtual frequency modulation power supply so as to provide a multi-source coordination active balance service. The method can be widely applied to the technical field of active balance service of thermal power flexibility transformation.

The invention relates to a digital constant-power high-voltage plasma power supply which comprises an electromagnetic interference filter circuit, a soft start circuit, a single-phase rectification circuit, a filter energy storage circuit, a full-bridge circuit, an LLCC resonance circuit, a power voltage sampling circuit, a power current sampling circuit, a digital control circuit, an MOSFET drive circuit and an RS485 communication circuit. An input voltage is connected with the single-phase rectifier circuit through the electromagnetic interference filter circuit, forms a direct current voltage through the filter energy storage circuit, is connected to the full-bridge circuit for chopping, then is connected to the LLCC resonance circuit for oscillation filtering, and is subsequently connected to the high-voltage transformer for output; the soft starting circuit is connected to the single-phase rectifying circuit, the power voltage sampling circuit and the power current sampling circuit are connected to the digital control circuit to provide closed-loop sampling calculation parameters, and the digital control circuit is connected to the full-bridge circuit through the MOSFET driving circuit and connected to the RS485 communication circuit.

The invention discloses an I-shaped self-preheating burner with a grading function. The I-shaped self-preheating burner with the grading function is characterized in that a heat exchange cylinder sleeves an inner pipe; spray holes are distributed at the head end of the heat exchange cylinder; the tail end of the heat exchange cylinder is opened; the head end of the inner pipe is hermetically connected to the inner side of the head end of the heat exchange cylinder; the tail end of the inner pipe is closed; a grading ring slidably sleeves the inner pipe; the head end of the grading ring is located in an annular space between the tail end of the heat exchange cylinder and the inner pipe; an operating component at the tail end of the grading ring hermetically extends out of a shell; a combustion chamber is located in the head end of the inner pipe and hermetically penetrates out of the heat exchange cylinder; a central pipe hermetically penetrates into the inner pipe and extends to the head end of the combustion chamber; a grading pipe sleeves the central pipe; the head end of the grading pipe extends into the combustion chamber; the tail end of the grading pipe is hermetically mounted on the shell; an ignition electrode hermetically penetrates through the shell and extends into the inner pipe to enter the combustion chamber; a coal gas inlet, an air inlet and a smoke outlet are formed in the shell; the coal gas inlet communicates to an annular space between the tail end of the grading pipe and the central pipe; and a communication hole is formed in the side face near the tailend of the inner pipe. According to the burner, grading combustion in a high-temperature mode and a low-temperature mode is achieved, and NOx generation is reduced.

The invention discloses an electric heating control circuit for an air resistance furnace. The electric heating control circuit is composed of four stage heating control circuits, a main switch and a main control circuit. In the four stage heating control circuits, a first stage heating control circuit is used for controlling an air preheating section of the air resistance furnace, and a controlled electric heating element is arranged at the front end of the air resistance furnace and close to an air inlet; an electric heating element controlled by a fourth stage heating control circuit is arranged at the position close to an air outlet; and electric heating elements controlled by second and third stage heating control circuits are arranged between the first stage heating control circuit and the fourth stage heating control circuit. An external alternating current power supply is accessed through the main switch, and the four stage heating control circuits are arranged at the lower end of the main switch; and the four stage heating control circuits are connected with the main control circuit which sends drive signals and temperature setting signals to control the four stage heating control circuits.

The invention relates to the technical field of metallurgy, in particular to a flat-flame nozzle with an automatic ignition and flame detection device. The flat-flame nozzle with the automatic ignition and flame detection device comprises nozzle bricks, wherein the nozzle bricks are connected with an air pipeline shell; the air pipeline shell is connected with a gas pipeline shell; gas core tubes are extended into spray orifices in the nozzle bricks and are fixedly welded with a gas nozzle flame holder; an air distribution plate is sleeved on the gas nozzle flame holder; an air inlet is formed on the air pipeline shell and is connected with an air pipeline; the gas pipeline shell is connected to a gas pipeline; electrodes are plugged into two electrode holes and electrically connected with a flyback transformer, and the flyback transformer is electrically connected with a controller; and the electrodes are electrically connected to a detection port of the controller, and an electromagnetic valve of the gas pipeline is electrically connected with the controller. By adding the functions of automatic ignition and flame detection, on-off control is realized, and pulse control is realized for a burning system with the flat-flame nozzle; stable and explanate flame is formed, so that the uniformity of temperature of a hearth is ensured; and therefore, the flat-flame nozzle is simple and compact in structure and can be widely applied.

The invention discloses a circuit and a method of a resonant network, and in particular discloses a power conversion circuit. The power conversion circuit includes: a square wave generator, a resonant network, a transformer and a controller. The square wave generator is used to generate square wave power. The resonant network is used to receive the square wave power and output the first resonant power. The resonant network includes capacitors, inductors and controllable capacitive devices. The transformer is connected to the controllable capacitive device for receiving the first resonant power and outputting the second resonant power. The rectified second resonant power is provided to the load. Based on the comparison result of the threshold signal and a signal calculated according to at least one detection signal of the load, the controller is used to generate a switch signal and provide it to the controllable capacitive device. The invention also discloses a method for controlling the power conversion circuit and the resonant network.

The invention discloses a hinging mechanism for blades of a large wind generating set. The hinging mechanism comprises a hub, wherein more than three hub cantilevers are uniformly arranged along the periphery of the hub; the root parts of the hub cantilevers are in rigid connection with the hub; the top end of each hub cantilever is hinged to a hinging hole at the top end of the support arm of a paddle blade through a second hinge pin; a hinging hole at the lower end of each support arm is hinged to the top end of a hydraulic cylinder through a third hinge pin; the bottom end of each hydraulic cylinder is hinged to a hinging hole at the root part of the corresponding hub cantilever through a first hinge pin; the hydraulic cylinders, the hub cantilevers and the support arms form rectangular connection; each paddle blade consists of the corresponding blade and the corresponding support arm which are rigidly connected; the blades can be rotated for a certain angle around hinge points at the top ends of the hub cantilevers through telescopic adjustment of the hydraulic cylinders; and through the rotation of the certain angle, the air-sweeping area of the wind wheel of a wind generator can be changed, and the pneumatic performance of the wind generator is changed, so that the stress of the wind generator and wind power captured by the wind generator are accordingly adjusted.

The invention discloses a full-superconducting primary excitation linear generator for direct-drive type wave power generation. The full-superconducting primary excitation linear generator comprises a primary stator and a secondary mover, wherein the primary stator comprises multiple groups of stator units arranged in a straight line; each stator unit comprises a U-shaped core, primary armature windings and primary exciting windings; the U-shaped core comprises two primary cores; an opening of the U-shaped core faces the secondary mover; the primary armature windings are arranged in the primary cores; the primary exciting windings are arranged in the U-shaped core; the secondary mover is the core which does not contain a winding and has a cogging structure; and a corresponding cogging structure is arranged on each primary core. According to the full-superconducting primary excitation linear generator, an arc-shaped structure exciting winding sleeves the outside of each primary core; and a cooling system does not move, so that the complexity level is reduced. The magnetic field conversion rate and the terminal voltage can be increased by a multi-tooth structure secondary; the defect of a low low-speed voltage is compensated; and by unequally-spaced teeth, the voltage frequency and amplitude generated when the generator moves to the end part are increased by reducing the end-part tooth pitch.

A load optimization control method based on hybrid energy storage, including three parts: optimization goal setting, constraint condition setting and model solution, wherein optimization goal setting includes operation control goal and economic goal; constraint condition setting includes power balance constraints, maximum power constraints, load switching time interval constraints, and load user experience constraints; the model solution obtains the hybrid energy storage power value and the number of load switching through a two-stage solution. The hybrid energy storage-based load optimization control method of the present invention can be applied to the evaluation and verification of micro-grid control technology, the method is reasonable and simple to implement, and can meet the actual requirements of micro-grid simulation experiments and technical verification. The invention is suitable for verification and application of energy storage technologies of scientific research institutions and enterprises.

A gas compression and storage system comprises a gas supply module, a gas holder, a gas inlet pipeline, a compressor module, a gas outlet pipeline, a detection module and a compression control module; the compressor module comprises a gas inlet end, a gas outlet end and a plurality of compressors connected between the gas inlet end and the gas outlet end in parallel; and the gas supply module, the gas holder, the gas inlet pipeline and the gas inlet end are sequentially connected, and the gas outlet end is connected with the gas outlet pipeline. The compression control module can control the gas containing amount in the gas holder in real time according to the detection value of the detection module, so that the total power of the compressor module is adjusted by independently controlling all compressors in the compressor module, the total gas suction amount of the compressor module adapts to the gas output amount of the gas holder, the balance of the gas input amount and the gas output amount of the gas holder is guaranteed, and the risk that the compressor module works unstably due to the fact that the gas holder is too flat or the gas leakage risk is caused due to the fact that the gas containing capacity in the gas holder is too large is avoided.

The invention relates to a loader quantitative-variable hydraulic system and aims to overcome the defect that the input power of a variable pump in the existing quantitative-variable hydraulic system accounts for a large amount. The invention further discloses a power control valve. A first cavity in a valve body is communicated with a port PLS and acts on the right end of a main valve element. A valve element spring is disposed at the left end of the main valve element. A valve sleeve sleeves the main valve element. A second cavity is communicated with a port P1 and acts on the right end of the valve sleeve. A third cavity is communicated with a port P and acts on the left end of the valve sleeve. A valve sleeve spring provides leftward elastic force for the valve sleeve. An oil drainage passage communicated with the third cavity and a port T are formed in the main valve element and the valve sleeve. When the main valve element moves leftwards relative to the valve sleeve, the oil drainage passage is communicated. When the main valve element moves leftwards relative to the main valve element, the oil drainage passage is reduced or closed. The power control valve has the advantages that the valve sleeve and the main valve element form a follow-up mechanism, the input power of the variable pump of the loader quantitative-variable hydraulic system can be controlled by the power control valve, and the input power is prevented from accounting for a large amount.

The invention discloses a double circulation mode reactor and a control method for running noise of a reactor. The double circulation mode reactor comprises a main container, a reactor core, a heat exchanger, a main pump, a valve, a steam turbine set and a first branch, wherein the first branch is in parallel connection with the pump; the valve used for controlling the branch to switch on / off is arranged on the first branch; and a switching relation between the valve and the main pump is as follows: in a forced circulation process, the valve is switched off and the cooling agent passes by the main pump, and in a natural circulation process, the valve is switched on and the cooling agent passes by the branch. The reactor has the advantages of compact structure, small volume, low noise, simple reactor operation, wide power adjusting scope and capability of frequently adjusting power according to the requirements and running in a double circulation mode.

The invention discloses an electromagnetic induction heating reaction kettle, which comprises a kettle body for placing materials, a stirring device placed in the kettle body for stirring materials, and a bracket connected to the bottom of the kettle body for supporting the kettle body. The body includes the bottom shell of the kettle body and the upper shell of the kettle body installed on the bottom shell of the kettle body, wherein the electromagnetic induction heating reaction kettle also includes an electromagnetic induction heating coil connected to a high-frequency power supply, and the electromagnetic induction heating coil is suspended placed under the bottom shell of the kettle body and electrically insulated from the bottom shell of the kettle body to heat the bottom shell of the kettle body. The invention utilizes the electromagnetic induction heating technology, and sets the electromagnetic induction heating coil at the bottom of the kettle body as a heating source to replace the steam supply of the boiler room. In the material, the good effect of high efficiency, strong controllability and no pollutants is achieved.

The invention provides a power storage and discharge device and a control method thereof. The power storage and discharge device comprises a guide rail and a mobile energy storage assembly placed on the guide rail. The mobile energy storage assembly is used for being in communication connection with a peripheral control terminal, and performing upward movement or downward movement on the guide rail based on a movement control instruction when receiving the movement control instruction sent by the peripheral control terminal; an energy storage flywheel is arranged in the mobile energy storage assembly, and the energy storage flywheel is used for entering a discharging state when the mobile energy storage assembly moves upwards and entering an energy storage state when the mobile energy storage assembly moves downwards. Mechanical energy storage can be used for providing a wider power adjusting range, and meanwhile the beneficial effects of being low in cost and high in reliability are achieved.