489results about "Energy industry" patented technology

The invention discloses an on-site monitoring system for the performance of an elastic loose type anchorage system suitable for deep-sea buoys, and particularly relates to the field of deep-sea monitoring. The on-site monitoring system auxiliary comprises a central processing module, wherein the output end of the central processing module is separately connected with an information display module,an information storage module, an auxiliary recovery module and a driving module, and the input end of the central processing module is separately connected with a power supply module, a monitoring module, a correction module and a positioning module. According to the on-site monitoring system for the performance of the elastic loose type anchorage system suitable for the deep-sea buoys, the auxiliary recovery module is arranged, air bags are installed at a plurality of node positions on the anchorage system, a booster pump in a pressurization unit is used, outside air is conveyed into a floating ball unit through a pipeline unit, so that the retractable air bags are enabled to bulge upwards to float, the whole anchor system is directly floated in sections, people conveniently recycle theanchorage system greatly, the workload during the recycling process is reduced, and the practicability is high.

The invention provides a compressor energy-saving operation control method and system based on reinforcement learning, and belongs to the technical field of compressor control. The method comprises the steps that multi-dimensional data in the operation process of a compressor are collected through a multi-parameter sensor network; preprocessing the multi-dimensional data to obtain target feature data; inputting the target characteristic data into a state prediction model, and predicting an operation parameter prediction value in a future control period; splicing and fusing the target feature data and the operation parameter predicted value, and constructing state representation of the reinforcement learning model; inputting the state representation into a target reinforcement learning model based on a near-end strategy optimization framework to obtain an optimal control action; safety verification is conducted on the optimal control action based on preset compressor safety operation constraints, and an execution instruction is determined; and adjusting operation parameters of the compressor based on the execution instruction. According to the compressor energy-saving operation control method and system based on reinforcement learning, the energy-saving performance and the operation stability of the compressor are improved.

The invention belongs to the technical field of industrial control, and particularly relates to a brushless direct current motor high-efficiency control method and system based on an FOC algorithm, and the method comprises the steps: superposing high-frequency sine disturbance in a voltage instruction, extracting a response component, achieving the online identification of the equivalent impedance of a motor, and dynamically solving and updating the estimated values of resistance and inductance; and correcting d-axis and q-axis voltage feed-forward items in real time by using the updated parameters, and correspondingly adjusting a current loop proportion and an integral gain. The method can adapt to the time-varying characteristics of motor parameters in an industrial field, so that the accuracy of feed-forward compensation and the stability of current loop bandwidth are effectively guaranteed, and the robustness and the control precision of a control system under complicated industrial working conditions such as variable temperature and variable load are remarkably improved; and the requirements of high-end industrial equipment on high performance and high reliability of the motor driving system are met.

The invention relates to the technical field of industrial automation, and discloses a self-adaptive dynamic pressure regulation energy-saving system and method based on pneumatic equipment, and the system comprises a state monitoring module which is used for constructing an operation state matrix of the pneumatic equipment; the pressure control module is used for generating a dynamic pressure control vector of the pneumatic equipment; the risk judgment module is used for calculating a real-time operation risk coefficient of the pneumatic equipment; the hierarchical regulation and control module is used for establishing a hierarchical regulation and control strategy set of the pneumatic equipment; the control feedback module is used for generating a self-adaptive control parameter sequence of the dynamic voltage regulation instruction and the state early warning instruction; and the scheme output module is used for integrating the dynamic pressure regulating instruction, the state early warning instruction, the hierarchical regulation and control strategy set and the self-adaptive control parameter sequence and outputting a self-adaptive dynamic pressure regulating and energy saving scheme of the pneumatic equipment. The energy utilization efficiency and the operation stability of the pneumatic equipment can be improved.

The invention discloses an energy and low carbon cooperative regulation and control method and system based on reinforcement learning, and relates to the technical field of energy management and low carbon control, and the method comprises the steps: building an initial data set through real-time collection of energy consumption data, carbon emission data and key operation parameters in industrial production; preprocessing the data by adopting a multivariable correlation analysis and data standardization technology; constructing a dynamic optimization model based on a reinforcement learning algorithm, and adaptively adjusting operation parameters of production equipment by taking energy utilization efficiency maximization and carbon emission minimization as targets; and a closed-loop feedback mechanism is established, the regulation and control effect is monitored in real time, model parameters are optimized, and continuous efficient low-carbon operation of the system is ensured. The technical problem that energy efficiency and environmental protection are difficult to collaboratively optimize in a traditional industrial energy management method is solved, and the method is suitable for intelligent low-carbon production in high-energy-consumption industries such as chemical engineering and metallurgy.

The invention discloses a step disturbance influence resistant micro-grid on-grid and off-grid state detection method and system, and the method comprises the steps: carrying out the filtering and normalization processing of a discrete time sequence, and obtaining a standard signal; identifying mutation points in the standard signal, and constructing a mutation point index set; screening out a point column meeting a time closeness feature from the mutation point index set, and constructing a continuous candidate section; performing stability analysis, monotonicity judgment and fallback trend identification on each continuity candidate section to judge whether the continuity candidate section is a step change section or not; whether a real continuous pulse sequence is formed or not is judged according to the time interval, the amplitude change rate and the amplitude peak-valley characteristic for the remaining sections excluding the step change section in the continuous candidate sections; and outputting the disturbance type of each continuity candidate section. According to the method, the accuracy of disturbance identification and the robustness of system control are improved, and the operation safety and the control decision reliability of the system under the complex disturbance background are guaranteed.

The invention relates to an energy efficiency prediction method and system based on a three-phase asynchronous motor. According to the method, an equivalent circuit model based on a motor physical mechanism is constructed, and theoretical current and ideal loss are generated to serve as benchmark references; voltage and current signals of actual operation of the motor are collected in real time, and vector subtraction is carried out on actually measured current and theoretical current to obtain difference current signals; blind source separation processing under physical constraint is applied to the difference signal, independent components representing different physical loss sources are decoupled, and additional power of the independent components is quantified; and the ideal loss, the additional loss and the output power are fused to realize dynamic accurate prediction of the real-time energy efficiency of the motor. According to the scheme, through the synergistic effect of differential driving and a physical mechanism, penetrability diagnosis of loss roots such as power grid interference and mechanical degradation is achieved, and the self-adaptive precision of energy efficiency prediction under variable working conditions is improved more remarkably.

The invention provides an air compressor unit energy-saving scheduling optimization method and system based on SSA-LSTM dynamic load prediction, and relates to the technical field of industrial energy efficiency management. The method comprises the following steps: decomposing gas load data to perform characteristic analysis; firstly, parameters with physical significance are qualitatively screened based on the working principle of the air compressor, and then multi-dimensional parameters are selected as input through Pearson correlation coefficient analysis; in combination with shipyard production data characteristics, LSTM is adopted to carry out dynamic load prediction, SSA optimization hyper-parameters are introduced, and an SSA-LSTM load prediction model is constructed; sSA-LSTM load prediction is taken as key input, constraint conditions of multiple time scales of air compressors are integrated, and an air compressor unit optimization scheduling model is systematically constructed. According to the method, the space-time heterogeneity and the dynamic fluctuation characteristics in the working condition data are effectively captured through the SSA-LSTM model, efficient global tuning is realized, and the prediction precision and the calculation efficiency are remarkably improved; the method is suitable for a high-dynamic, real-time and accurate load prediction industrial scene represented by a shipyard, and provides key support for scheduling decision making.

The invention relates to the technical field of motor driving, and discloses a brushless motor non-inductive FOC driving method and device, and the method comprises the steps: collecting a first three-phase stator current and a bus voltage of a brushless motor, and calculating a rotor position estimation value; performing coordinate transformation on the first three-phase stator current to obtain a first d-axis actual current and a first q-axis actual current, and calculating a first d-axis current error and a first q-axis current error; calculating a d-axis first-order integral value, a d-axis double-integral accumulated value, a q-axis first-order integral value and a q-axis double-integral accumulated value, and constructing a d-axis double-integral sliding mode surface and a q-axis double-integral sliding mode surface; according to the method, a d-axis compensation voltage instruction is generated based on the d-axis double-integral sliding mode surface, a q-axis compensation voltage instruction is generated based on the q-axis double-integral sliding mode surface, the d-axis compensation voltage instruction and the q-axis compensation voltage instruction are applied to the brushless motor, the problem of magnetic field orientation deviation caused by position estimation lag in non-inductive FOC driving is solved, and the output efficiency of the motor is improved.

The utility model relates to the technical field of waste heat utilization of centrifugal air compressors, in particular to a tar residue treatment system. The centrifugal air compressor is provided with N stages of compressors, N is larger than or equal to 2, and the N stages of compressors are connected with the N-1 efficient heat exchangers in series through pipelines. An outlet of the high-efficiency heat exchanger is connected with an inlet pipeline of the organic working medium-hot water heat exchanger, an outlet of the organic working medium-hot water heat exchanger is connected with an inlet pipeline of the high-efficiency heat exchanger to form a circulating water system, and the water replenishing pipeline is connected with the circulating water system; an outlet of the organic working medium-hot water heat exchanger is connected with an inlet pipeline of a working medium expansion machine, an outlet of the working medium expansion machine is connected with an inlet pipeline of a working medium condenser, and an outlet of the working medium condenser is connected with an inlet pipeline of the organic working medium-hot water heat exchanger to form an organic working medium circulating system; the working medium expander is connected with a generator pipeline. The waste heat of the centrifugal air compressor can be effectively utilized, and the current situation of insufficient power supply of a factory can be relieved.

A multiphase LLC resonant converter of N phases (N represents an integer equal to or more than two) causes N resonant converters connected in parallel to a direct current power supply to operate with a phase difference of 360° / N. One of the resonant converters includes a lower adjustment inductor connected in parallel with primary windings of the lower conversion circuits. The one of the resonant converters includes an upper adjustment inductor connected in parallel with primary windings of upper conversion circuits. Outputs including high potential output terminals and low potential output terminals of the lower conversion circuits and the upper conversion circuits star connected at neutral points via a second resonant capacitor are connected.

A Surface-affixed, Storm-Resistant Containment Unit involves a shelter structure, with internally-mounted photovoltaic solar panels, and movable doors which may be ‘closed’ to protect the photovoltaic solar panels from storm-related damage, e.g. hail, extreme wind and airborne debris. When weather conditions improve, the movable doors may be ‘opened’, allowing sunlight to strike the undamaged photovoltaic solar panels, and renewable energy production to resume. These Storm-Resistant Containment Units may be installed, and electrically connected in multiples to comprise a storm-resistant, commercially-sized, renewable power generating station (or ‘Micro-Grid’) for use in geographic areas prone to severe storms and hurricanes. Such storm-resistant, commercially-sized, power generation station may be advantageously applied at existing ‘Brown-Field’ industrial sites that have existing, unused electrical-grid infrastructure.

The utility model relates to the technical field of motor speed regulation, in particular to a direct current motor speed regulation circuit. The speed regulation circuit comprises an input connector CON1 used for accessing a DC input voltage; the output connector CON2 is used for connecting a direct current motor; the step-down chip ME3148 is used for converting the direct-current input voltage into adjustable output voltage, and the step-down chip comprises a VI N pin 8, an SW pin 2, an FB pin 4, a VC pin 7, a CS pin 5 and a GND pin 3. The direct-current motor speed regulation control circuit is simple in structure, can realize wide-range and high-precision speed regulation control only by adjusting a single potentiometer, has the characteristics of low cost and high reliability while ensuring the speed regulation performance, and is suitable for direct-current motor control scenes with higher requirements on speed regulation range and precision.

The utility model discloses a high-efficiency energy-saving type steam dewatering pressure pump, which belongs to the technical field of steam dewatering, and is characterized in that the high-efficiency energy-saving type steam dewatering pressure pump comprises a bottom plate, and an automatic controller is arranged on the front side of the bottom plate, an automatic dewatering mechanism is arranged, and a sliding rod and a top ball are driven to move up and down by utilizing the characteristic that a floating ball ascends and descends along with the water level in a dewatering shell; when the water level rises, the floating ball floats upwards, the top ball is close to the contact type sensor, the contact type sensor transmits a signal to the automatic controller, the automatic controller accurately controls the pressurization pumping drainage structure to be opened according to the signal, condensed water is drained in time, and when the water level drops, the floating ball drops, the top ball is away from the contact type sensor, and the automatic controller controls the pressurization pumping drainage structure to be closed. The process effectively overcomes the interference of steam pressure fluctuation on drainage, and compared with a traditional floating ball type drain valve, drainage is more timely and more accurate, condensation water accumulation is prevented, the steam conveying efficiency is guaranteed, meanwhile, the operation cost is reduced, the water hammer phenomenon is reduced, and the service life of equipment is prolonged.

The utility model discloses a DAC signal conversion circuit of a DC motor, and belongs to the technical field of motor driving. The circuit comprises a power supply voltage conversion module, an integration unit, a voltage follower module and an analog voltage output module. The output end of the power supply voltage conversion module is connected with the input end of the integration unit, the output end of the integration unit is connected with the input end of the voltage follower module, and the output end of the voltage follower module is connected with the input end of the analog voltage output module; and the voltage follower module is used for isolating the output end of the integration unit from the input end of the analog voltage output module. The DAC signal conversion circuit of the DC motor provided by the utility model realizes an efficient and accurate conversion process from a PWM signal to an analog voltage signal, significantly improves the level conversion and response speed, can flexibly control the output amplitude and stability of the analog voltage signal, has the advantages of simple structure, low cost, high reliability, etc. The method can be widely applied to various fields.

The application provides a resonant converter and a control method and system thereof. The resonant converter comprises a controller, a resonant circuit, a first bridge arm and a second bridge arm in parallel, and a third bridge arm and a fourth bridge arm in parallel. Each of the first bridge arm, the second bridge arm, the third bridge arm and the fourth bridge arm comprises an upper bridge arm switch and a lower bridge arm switch in series. When the upper bridge arm switch of the third bridge arm and the lower bridge arm switch of the fourth bridge arm are turned off, a resonant inductor in the resonant circuit forms a resonant network with a junction capacitance inside each bridge arm switch in the first bridge arm and the second bridge arm. In order to break the resonant network, the controller can control the lower bridge arm switch of the first bridge arm and the upper bridge arm switch of the second bridge arm to be turned on after a first preset time length after the upper bridge arm switch of the third bridge arm and the lower bridge arm switch of the fourth arm are turned off, so that the voltage gain of the resonant converter when working in a high frequency band can be ensured to decrease with the increase of the frequency and have monotonicity, the cost is lower, and the adaptability is stronger.

The invention relates to the technical field of data processing, and particularly provides a manufacturing industry energy-saving and efficiency-increasing scheme generation method, system and equipment and a storage medium, and the method comprises the steps: collecting the operation state data, energy consumption data and real-time working condition data of industrial equipment in real time through an equipment monitoring module; preprocessing the collected data, establishing an energy efficiency reference, calculating a key energy efficiency index based on the energy efficiency reference to judge the energy efficiency state of the equipment, and executing multi-dimensional root cause analysis when the energy efficiency state is abnormal; according to the energy efficiency state and a root cause analysis result, matching and filtering applicable technical schemes from a technical unit library, and performing quantitative evaluation and comprehensive sorting on the technical schemes to generate a preferential transformation scheme list; and an energy efficiency analysis result is fed back to the equipment monitoring module for state early warning, and a customized proposal is generated based on the transformation scheme. According to the invention, the systematization and automation of industrial energy-saving management are realized by constructing a full-link closed loop generated by data perception, intelligent diagnosis and decision.

The high-temperature steam waste heat utilization mechanism on the paperboard production line comprises a spray cooling device, a wind power heat exchange device and a steam inlet pipeline, the wind power heat exchange device is connected to the right side of the steam inlet pipeline through a pipeline, and the spray cooling device is connected to the right side of the wind power heat exchange device through a pipeline; the spray cooling device further comprises a device body, a water inlet pipeline and a water outlet system; the wind power heat exchange device further comprises an air inlet pipeline, a heat exchanger, an air box and a steam connecting pipeline. The device has the functions of automatically adjusting the water temperature, distributing warm water and conveying the warm water into water equipment in time, a wind power heat exchange device is additionally arranged, the step of waste heat recovery is increased, the flow of steam waste heat is shared, and meanwhile the waste heat recovery efficiency of the device is improved; condensate water and steam are treated separately, so that the working efficiency of the device is improved; the temperature difference between cooling water and steam in the two heat exchange steps is increased, and the heat exchange efficiency is improved.

The utility model belongs to vector frequency changer equipment technical field especially saves energy and protects the environment vector frequency changer, including vector frequency changer body, the inside fixedly connected with two mounting blocks of vector frequency changer body is provided with cooling water tank between two mounting blocks, the upper surface fixedly connected with the water outlet of cooling water tank, the inside fixedly connected with the water outlet pipe of water outlet, the other end fixedly connected with the cooling pipe of water outlet pipe, the upper surface fixedly connected with the water inlet of cooling water tank, the inside fixedly connected with the water inlet pipe of water inlet, the other end fixedly connected with the other end of cooling pipe of water inlet pipe, the inside of vector frequency changer body is provided with the slot. The utility model brings the inside of cooling water into cooling pipe through water outlet pipe, carries out the cooling to the inside of vector frequency changer body through cooling pipe, and the cooling water will pass water inlet pipe and return to the inside of cooling water tank after encircling a circle, to this to circulate cooling, avoids the normal use of vector frequency changer.

A method for the management of energy data includes methods, systems and computer program products. One of the methods includes receiving, by a self-executing contract, settlement information from at least two nodes in a network, the network comprising a plurality of nodes, each node in the plurality of nodes may maintain at least a predetermined number of tokens, each token representing a value. The method includes validating a current state of a public ledger. The method includes generating fulfillment information based on the received settlement information. The method also includes contributing to an updated state of the public ledger using the fulfillment information; wherein each token is associated with a payload describing the production, consumption, management, storage or transmission of electricity.

The invention discloses a feed pump energy-saving optimization method and system based on variable frequency speed regulation, and relates to the technical field of industrial process control and energy-saving optimization, and the method comprises the steps: constructing a causal analysis model by extracting residual statistical characteristics, recognizing the main drive type of carbon emission change, quantifying the causal effect, and estimating the life loss in combination with sensitivity; energy consumption and service life target weights are dynamically adjusted according to causal labels, a dual-objective optimization function is constructed, a multi-objective genetic algorithm is adopted to determine control parameters of frequency adjustment, and frequency self-adaptive adjustment is achieved. The offset abnormal driving reason is effectively identified, and the accuracy of energy-saving control and the equipment service life management and control capability are improved.

A method for characterizing power quality events in an electrical system includes deriving electrical measurement data for at least one first virtual meter in an electrical system from (a) electrical measurement data from or derived from energy-related signals captured by at least one first IED in the electrical system, and (b) electrical measurement data from or derived from energy-related signals captured by at least one second IED in the electrical system. In embodiments, the at least one first IED is installed at a first metering point in the electrical system, the at least one second IED is installed at a second metering point in the electrical system, and the at least one first virtual meter is derived or located at a third metering point in the electrical system. The derived electrical measurement data may be used to generate or update a dynamic tolerance curve associated with the third metering point.

The invention provides a high-temperature steam system and method based on waste heat recovery and vinasse recycling, belongs to the technical field of steam systems, and can solve the problems that when an existing steam system is applied to the brewing industry, a large amount of primary energy needs to be consumed, and brewing by-products are not sufficiently utilized. According to the technical scheme, the waste heat recovery assembly comprises a heat exchanger, a high-temperature heat pump unit, a heat storage tank, a high-temperature steam heat pump unit and a condensate water tank; the vinasse recycling assembly comprises a biogas steam boiler, a double-membrane gas holder and an anaerobic bioreactor. According to the system, industrial by-products of a brewing factory can be comprehensively recycled, high-temperature steam required by a boiling process of the brewing factory is provided while secondary steam generated by a boiling pot, low-grade waste heat of the factory and brewing waste are recycled, and the energy utilization efficiency of the system is improved; a novel high-efficiency, low-carbon and energy-saving high-temperature steam system is provided for a brewing factory.

The utility model belongs to the technical field of steam generators, and specifically relates to a heating device for a steam generator. The heating device comprises a first heater and a second heater connected to the first heater. A first electric heating tube is disposed inside the first heater. A first water outlet is provided on an upper end or a lower end of the first heater. A second electric heating tube is disposed inside the second heater. A water inlet of the second electric heating tube is arranged to be in communication with the first water outlet. A mounting hole for installing a temperature sensor is provided on a bottom portion of the first heater. Through the design of the two heaters, the utility model enables simultaneous heating of water inside the heaters via the two electric heating tubes, thereby increasing the heating speed, rapidly generating steam, reducing energy consumption, and significantly improving efficiency.

The utility model relates to the technical field of steam extraction flow stabilizing equipment of steam turbines, and particularly discloses a power station industrial steam extraction small-flow adjusting device which comprises a steam extraction main pipe and an adjusting pipeline, the steam extraction main pipe is communicated with the adjusting pipeline, a sunken U-shaped pipe is arranged in the middle of the adjusting pipeline, and an automatic adjusting valve is installed on a bottom pipeline of the U-shaped pipe. A filter and a drain pipe are further installed on the U-shaped pipe, the filter is located in front of the automatic regulating valve, and the drain pipe is located behind the automatic regulating valve; the design of the U-shaped pipe is adopted, steam conveyed by a low-pressure steam pipe network is collected and climbs through the U-shaped pipe, pressure relief and drainage are conducted through timing opening of the drainage pipe, air in the pipeline is discharged, the arrangement pressure and flow in the pipeline are adjusted to be more stable, and the problems of adjustment oscillation and large pressure fluctuation are avoided; an automatic regulating valve is adopted for starting control at the bottom full pipe position, the flexible regulating capacity of an energy system is improved, the resource utilization rate is increased, and economic benefits are created for companies.

The utility model relates to a horizontal straight through-flow type steam generating mechanism, which comprises a steam furnace body, which is transversely divided into a preheating section and a heating evaporation section which are sequentially communicated with each other; the smoke collecting cavity is arranged at the top of the steam furnace body; the combustor is used for generating high-temperature flue gas; the preheating pipe is arranged in the preheating section, and the bottom of the preheating pipe is connected with an external water supply pipeline; the steam generation assembly is arranged in the heating evaporation section and comprises a plurality of vertically-through smoke exhaust tube nests arranged side by side in the transverse direction and a steam generation jacket arranged around the smoke exhaust tube nests, a steam generation cavity is further formed between the steam generation jacket and the smoke exhaust tube nests, the top ends of the smoke exhaust tube nests extend into the smoke collection cavity, and the top ends of the smoke exhaust tube nests extend into the smoke collection cavity. The bottom ends of the steam generating cavities are suspended in the steam furnace body, and the steam generating cavities are sequentially communicated in series in the transverse direction. Compared with the prior art, by optimizing and adjusting the heating layout of high-temperature flue gas to water vapor in the steam making assembly, the problem of thermal fatigue of the steam making assembly is effectively solved, and the heating efficiency is further improved.

The invention discloses an energy-saving optimization control method for an industrial refrigeration system, which adopts a cloud global optimization-edge collaborative execution control architecture, dynamically distributes operation parameters of a refrigeration host unit, a secondary refrigerant circulation unit, a cooling water circulation unit and each unit of a cooling tower by taking the minimum total energy consumption of the system as a target, realizes deep collaboration of the units, and improves the energy-saving performance of the system. According to actual verification, compared with a traditional unit independent control logic, the overall power saving rate of an actual measurement system can reach 23.5%. The anti-icing control module adopts a multi-stage control strategy, so that the system can adopt softened water with low viscosity and high specific heat capacity to completely replace secondary refrigerants such as ethylene glycol, the pumping power consumption is reduced by 12% by directly utilizing the low-viscosity characteristic of water, the COP of a host is improved by about 20% due to the combination of the excellent heat exchange characteristic of water and the efficient heat exchange of the falling film evaporator, and the system reliability is improved. The device is especially suitable for the near freezing point working condition with the secondary refrigerant outlet temperature of 0-2 DEG C.

The invention provides a thermal power poly-generation system integrating waste heat recovery and pump heat energy storage. The thermal power poly-generation system comprises a combined heat and power generation system, and a flue gas waste heat utilization system exchanges heat with flue gas of the combined heat and power generation system and recovers flue gas waste heat; the pump heat energy storage system comprises a heat pump and a heat storage system, the heat storage system is connected with the combined heat and power generation system and the flue gas waste heat utilization system through pipelines for heat exchange through the heat pump, and the heat storage system is further electrically connected with the combined heat and power generation system for heat storage. The flue gas desulfurization waste heat recovery system is arranged on the tail flue of the boiler, so that the flue gas waste heat can be effectively recovered, and the coal consumption of a unit is reduced; cold energy supply can be achieved through the pump heat energy storage system, meanwhile, surplus electric energy and waste heat are converted into high-temperature heat energy to be stored in a high-temperature storage tank, the high-temperature heat energy is released when needed to generate steam, the steam is reinjected into a steam turbine thermodynamic system, the thermoelectricity operation interval is widened, the unit variable load rate is increased, and the power generation efficiency is improved. The operation regulation capability of the combined heat and power generation system is enhanced, and more flexible regulation and control means are provided.

To provide a method, system, and apparatus for transitioning power.SOLUTION: The power transfer device may be configured to fit securely into a fuse block, fuse holder, and / or the like. Power transfer devices may transfer power from a source to a load, such as connected to a fuse block and / or fuse holder, while also isolating power to prevent power from being fed back to the source. Power transfer devices may be used to perform tests, measurements, and / or analyses (e.g., voltage measurements, power measurements, frequency analyses, system impedance tests, etc.).SELECTED DRAWING: Figure 1A

The utility model discloses a low-pressure steam pressure-increasing recycling system, which relates to the technical field of energy recovery and power engineering and comprises a steam compressor, low-pressure steam enters the steam compressor through a low-pressure steam inlet pipeline, a first check valve and a self-control regulating valve are arranged on the low-pressure pipeline, and a second check valve is arranged on the self-control regulating valve. The low-pressure steam is discharged through a low-pressure steam outlet pipeline after compression and pressure increasing are conducted on the steam compressor, a butterfly valve, an anti-surge adjusting valve for preventing surge of the steam compressor and a second check valve are sequentially arranged on the outlet pipeline, meanwhile, a desuperheating water supply system is further connected to the outlet pipeline, and desuperheating water can be sprayed into steam through a desuperheating water adjusting valve. Therefore, the steam temperature is adjusted. The steam compressor is controlled by the central control DCS to compress and work low-pressure steam, so that the pressure of the low-pressure steam is gradually increased and converted into reusable high-pressure steam, the utilization efficiency of energy is effectively improved, and energy waste and energy cost of enterprises are reduced.