711 results about "Diesel generator" patented technology

The invention relates to the technical field of fault detection, and discloses a diesel generating set fault detection method and system based on deep learning, and the method comprises the steps: obtaining first vibration signal data, and carrying out the time-frequency decomposition, and obtaining a dynamic change feature; de-noising processing is carried out on the dynamic change features to obtain a time-frequency feature sequence; extracting a peak energy distribution data set, and calculating each frequency band entropy value to obtain a frequency band entropy value sequence; classifying the frequency band entropy sequence, determining a random fluctuation reference mode, and separating to obtain an abnormal frequency component; calculating a spectral line spacing and amplitude ratio, obtaining a spectral line feature data set, classifying the spectral line feature data set, and determining a fault classification result; obtaining current second vibration signal data, performing similarity calculation on the current second vibration signal data and a pre-established normal mode library, and outputting a fault feature vector; and verifying the fault feature vector to obtain a final fault detection result. According to the method, closed-loop diagnosis from signal acquisition to fault classification can be realized, and the fault detection precision of the diesel generating set is improved.

The invention discloses an island micro-grid operation scheduling method and device. According to the scheme, the method comprises the steps that power generation characteristic modeling is conducted on a distributed power source and an energy storage system of a diesel storage island micro-grid; constructing a function taking the minimum daily total operation cost as a target, wherein the function covers the operation cost of a diesel generator and an energy storage system and the pollutant treatment cost; establishing a power impact type load mathematical model including power characteristics, system dynamic frequency response characteristics, micro-grid dynamic frequency safety constraints and diesel generator frequency control constraints; establishing a micro-grid operation constraint model which has constraints such as power balance, Distflow power flow, energy storage, charging, discharging and capacity, diesel generator output and climbing rate; and solving the model by using a particle swarm optimization algorithm, generating a diesel generator output, energy storage system charging and discharging and frequency modulation reserve capacity distribution strategy, and obtaining an island microgrid optimal operation scheduling decision.

The invention relates to the technical field of micro-grid dispatching, and particularly provides an intelligent dispatching method and system for a photovoltaic-storage-diesel micro-grid, and the method comprises the steps: obtaining the operation data of an energy storage battery, the operation data of a diesel generator, and the global operation data of the micro-grid; evaluating the power response capability of the energy storage battery according to the operation data of the energy storage battery, and evaluating the quick response capability of the diesel generator according to the operation data of the diesel generator; analyzing the stability risk level of the micro-grid according to the global operation data, the power response capability and the quick response capability of the micro-grid; adjusting scheduling optimization target emphasis according to the stability risk level; emphatically acquiring an energy storage battery charging and discharging instruction, a diesel generator starting and stopping instruction and an output instruction according to the adjusted scheduling optimization target, and executing all the acquired instructions; according to the method, the problem that the system stability is sacrificed due to blind pursuit of cost minimization in a traditional strategy can be avoided.

The invention relates to the field of new energy technology and power electronics, and discloses a photovoltaic diesel generator energy storage hybrid off-grid and grid-connected household energy storage system, which comprises a data acquisition and state monitoring module for acquiring photovoltaic, diesel generator, energy storage, load and commercial power states in real time and generating system state parameters; the central control and decision module generates a control strategy containing an operation mode and an energy scheduling instruction; the energy flow and conversion execution module executes energy conversion and flow; the seamless switching control module realizes non-impact switching between modes; the self-adaptive safety protection module dynamically adjusts protection parameters; and the emergency response and recovery module executes black start and active recovery in an emergency state. According to the invention, through the unified central control and decision-making module, photovoltaic, diesel generator, energy storage and commercial power scheduling logics are integrated to form a collaborative energy management core, and the system can carry out global optimization on energy flow in grid-connected and off-grid modes according to a preset priority principle.

The invention discloses a diesel generator turn-to-turn short circuit fault protection method and system based on multi-parameter characteristics, and relates to the technical field of intelligent fault diagnosis of power equipment, and the method comprises the steps: carrying out the feature extraction of operation state monitoring data, carrying out the integration according to a time sequence, and generating a real-time feature sequence set; performing spatio-temporal feature coding and fusion on the real-time feature sequence set to generate a multi-dimensional spatio-temporal feature map; mapping the comprehensive matching score set into fault confidence according to a linear relation, obtaining a fault confidence sequence, judging a fault level in combination with a characteristic amplitude overrun condition, and generating a fault diagnosis result set; and executing hierarchical response based on the fault diagnosis result set, generating a hierarchical protection action execution record, and generating a short-circuit fault protection report in combination with the fault diagnosis result set. According to the method, quantitative similarity analysis of real-time features and standard modes is realized, the fault probability is accurately evaluated through a multi-parameter weighted fusion mechanism, and the reliability and interpretability of a diagnosis result are improved.

The invention relates to an electric operating device for a manual valve. The electric operating device comprises a small diesel generating set used for providing a power source, a motor, a planetary gear transmission module, an adjustable fixing disc and a control device, wherein the small diesel generating set supplies power to the motor so as to provide operating power; an adjustable base is arranged at the bottom of the motor, an output shaft of the motor is connected with a sun gear of the planetary gear transmission module, a gear ring of the planetary gear transmission module is meshed with a first planet gear and fixed to the adjustable base, and a first planet carrier of the planetary gear transmission module is connected with an adjustable fixing disc. The adjustable fixing disc is detachably installed on a manual operation door wheel of the valve and used for operating a valve switch. The control device is used for starting and stopping the small diesel generator set and the motor, the problem of energy dependence can be solved, and the first-aid repair efficiency is greatly improved. And meanwhile, the problem that a motor is burnt or gear teeth are broken due to rusting and jamming of a field valve is solved.

The utility model provides an intelligent diesel generating set which comprises a mounting plate, one end of a radiating pipe is fixedly communicated with a water collecting pipe, the bottom of the water collecting pipe is fixedly communicated with a water return pipe, the water return pipe is fixedly communicated with a cooling liquid tank, and a communicating pipe is provided with a one-way valve. A temperature control assembly is arranged, a water pump pumps out cooling liquid in a cooling liquid box, the cooling liquid enters a heat dissipation pipe through a water distribution pipe and exchanges heat with air, the cooling liquid is subjected to heat dissipation and cooling, the cooled cooling liquid flows back into the cooling liquid box through a water return pipe, and low-temperature cooling liquid in the cooling liquid box flows back into the cooling liquid box again through a communicating pipe; and the diesel generator is continuously cooled. When the temperature is low, the water pumps are closed, cooling liquid in the cooling liquid box is not cooled, viscosity of engine oil is reduced, different water pumps are started to cool different diesel generators, independent control over the generator set is facilitated, and it is guaranteed that the temperature of each diesel generator is kept stable.

The invention discloses a diesel-storage intelligent micro-grid system. A diesel generator charges an energy storage unit or cooperatively supplies power when power supply is insufficient; the battery energy storage unit stores electric energy and supplies power to a load; the micro-grid energy management system dynamically coordinates the output proportion, and a harmonic suppression module suppresses harmonic interference; the load prediction module predicts load power change; the transient response control module deals with transient power impact; the power distribution system is connected to a main power supply and is switched to a diesel generator power supply mode when power supply of the main power supply does not meet requirements; when the diesel generator supplies power, the bidirectional converter converts electric energy into charging current of the energy storage unit and inhibits harmonic interference; when the energy storage unit supplies power, the direct current is converted into the alternating current required by the load. According to the invention, seamless switching of multiple energy sources, active stabilization of power fluctuation, flexible conversion of electric energy forms, optimization of energy distribution efficiency and comprehensive improvement of the survivability of the micro-grid can be realized.

The invention aims to provide a dynamic energy optimization scheduling method and system for a temporarily-built optical storage system, and belongs to the technical field of temporarily-built optical storage system control, and the method comprises the steps: obtaining the photovoltaic power generation power, the energy storage charge state and the load demand in real time, judging the power balance state, and controlling the cooperative operation of each unit according to the power balance state. When photovoltaic power generation is sufficient, redundant electric energy is stored in the energy storage unit; if not enough, energy storage and electricity supplementation are preferentially carried out, and the diesel generator is started if not enough. The system also combines historical data and a neural network to predict a future scheduling strategy, and optimizes an energy storage charging and discharging plan. In addition, non-critical loads are identified through the intelligent electric meter, and the power supply priority is dynamically adjusted. The system improves the operation efficiency and stability of the optical storage system, prolongs the service life of equipment, and is suitable for temporary building facility power supply scenes.

The invention relates to the technical field of generator test equipment, and particularly discloses a comprehensive test platform for a generator. The bearing assembly, the hoisting assembly and the testing instrument are installed on the vehicle body, the bearing assembly comprises two bearing arms and a driving mechanism, and weighing sensors are installed on the bearing arms and can be far away from and close to each other; the test instrument can obtain related test data based on weighing data fed back by the weighing sensor. The comprehensive test platform for the generator can move, can automatically complete loading and unloading of the diesel generator, does not need assistance of other equipment, and remarkably reduces the requirements for site conditions; data such as the whole machine weight, the fuel consumption rate and the operation stability can be measured, the test items are rich, and the functions are complete; and the transfer frequency in the comprehensive test process can be effectively reduced. After the test is completed, the diesel generator can be transferred and loaded to another test device, which is efficient and fast; and meanwhile, the method has the technical advantages of good applicability, easiness in implementation, relatively low cost and the like.

The present invention discloses a Beidou positioning self-loading and unloading lifting walking platform high-efficiency diesel generator set, which relates to the field of generator technology, including a bottom plate and a top plate, a lifting adjustment mechanism is provided between the bottom plate and the top plate, the lifting adjustment mechanism is used to adjust the height of the top plate, and a diesel engine and a generator are installed on the top of the top plate. The present invention sets the diesel storage tank on the bottom plate, which greatly reduces the overall center of gravity of the equipment compared to placing all diesel on the top plate, reduces the diesel load on the top plate, reduces the workload of the lifting adjustment mechanism, and improves the operating efficiency of the equipment; a transfer storage tank is installed on the top plate, which maintains the same height as the diesel engine. The diesel storage tank first temporarily supplies diesel to the transfer storage tank, and then the transfer storage tank supplies oil to the diesel engine, ensuring a stable supply of diesel, thereby ensuring continuous and stable power generation of the generator, and avoiding the problem of unstable power supply due to changes in oil supply pressure.

The invention discloses a power distribution network toughness improvement method based on an energy internet under mobile energy storage space-time optimization scheduling, and the method comprises the steps: building a double-layer scheduling model which comprises an upper-layer model and a lower-layer model; the upper layer model adopts a distributed robust optimization method, considers the uncertainty of fault nodes in extreme weather and the influence of traffic network passing time, and optimizes the configuration number and position scheme of mobile energy storage; the lower layer model constructs a multi-source cooperative recovery mixed integer quadratic cone programming model based on dynamic scheduling and time sequence output characteristics of mobile energy storage, an electric vehicle and a diesel generator, and solves an optimal load reduction scheme and an important load power recovery state; constructing a fault probability model based on the double-layer scheduling model; the method comprises the following steps: performing simulation analysis by improving an IEEE-33 node power distribution network, and verifying the effectiveness of the method; according to the method, the key problems of dynamic adaptive scheduling and multi-temporal-spatial-scale collaborative optimization are solved, the potential of mobile energy storage and multi-source collaboration is released, and a high-toughness power distribution network system can be constructed.

The application discloses a kind of air-cooled diesel generating set, specifically relates to the technical field of generator, including base, the diesel generating equipment is slidably connected with the upper end of base by slide rail, the fan in the dustproof dehumidification structure inner cavity is fixedly connected with the output rotor front end of diesel generating equipment, the inner surface of shielding box is provided with air duct structure, and the dustproof dehumidification structure is provided in the front of the inner surface of shielding box.The air-cooled diesel generating set of the application is removed by setting dehumidification component for removing moisture in inhaled air, reduce the corrosion of moisture to internal parts;Further, dust and particles in inhaled air are separated by the action of dust removal component, the entry of large-particle dust is reduced, dust on the cooling fin can also be periodically cleaned by automatic cleaning in dust removal component, to ensure the air intake;Air flow efficiency is improved by the action of air duct structure, the heat dissipation area is increased, the heat dissipation effect is enhanced, and the performance decline and safety hazards caused by overheating are avoided.

The utility model discloses a low-noise box body for a diesel generating set, which comprises a mounting base, a partition plate component and a plurality of partition plates, the front-end air inlet plate is mounted on the mounting base and is provided with a first air inlet, and a first noise reduction ventilation hood is arranged at the first air inlet on the inner side surface of the front-end air inlet plate; the rear-end exhaust plate is mounted on the mounting base, and an exhaust outlet is formed in the rear-end exhaust plate; the left air inlet plate is mounted on the mounting base and is provided with a second air inlet, and a second noise reduction ventilation hood is arranged at the second air inlet on the inner side surface of the left air inlet plate; the right air inlet plate is mounted on the right side surface of the mounting base, a third air inlet is formed in the right air inlet plate, and a third noise reduction ventilation hood is arranged at the third air inlet on the inner side surface of the right air inlet plate; and the top cover covers the front-end air inlet plate, the rear-end air exhaust plate, the left-side air inlet plate and the right-side air inlet plate to form a box body. The structure is simple, noise generated during operation of the generator set can be effectively absorbed and blocked, and outward transmission of the noise is reduced.

The invention provides a dual-time-scale optimization scheduling system and method considering diesel storage insurance supply and new energy consumption, and the method comprises the steps: collecting a plurality of data in real time, and outputting a historical data set and real-time monitoring data to a scheduling module; based on the wind and light output predicted values and load predicted values of the day before dispatching and the dispatching day, a multi-target optimization model is constructed, an energy storage charging and discharging plan, a diesel generator start-stop plan and an electric vehicle dispatching instruction are output, and cross-day energy transfer is achieved; on the basis of a model prediction control principle, 15 minutes are taken as a scheduling step length, a day-ahead scheduling plan is corrected in a rolling manner in combination with ultra-short-term source load prediction data, and prediction deviation is stabilized; controlling charging and discharging switching of the energy storage system, dynamic adjustment of the charging power of the electric vehicle and the operation state of the charging pile; through cooperative operation of day-ahead pre-scheduling and intra-day rolling optimization, source-load balance and low-carbon operation are realized. According to the scheduling system, long-period energy planning and short-period dynamic correction are both considered, and the self-consistency and low-carbon property of the off-grid charging station are improved.

The invention provides a multi-working-condition dynamic adaptive ship hybrid power dispatching system, which is applied to the technical field of ship power systems and energy management, and comprises a data exchange module, a working condition module, a hybrid power generation module and an energy management module, wherein the data exchange module realizes cross-protocol data analysis and unified timestamp packaging, and ensures the consistency and real-time performance of data exchange between modules; the working condition module is used for collecting ship working conditions and generating working condition conversion signals, an EMS in the energy management module is used for calculating a scheduling strategy, and the hybrid power generation module executes power distribution and charge-discharge control of the diesel generator set, the axle generator and the battery pack according to the scheduling strategy. Through the data exchange module, the problems of data delay and errors caused by complex protocol fusion and non-uniform clocks are solved, and the dynamic adaptation and response capability of the ship under complex working conditions is effectively improved.

The invention provides a green-electricity-driven oil field drilling and production equipment control method, system and equipment and a storage medium, and the method comprises the steps: carrying out the rolling prediction of the load power of a drilling machine in a future time window based on the mapping correlation characteristics between a load power demand and a stratum structure and the working condition information in an oil field drilling and production process; the transient peak value of the load power of the super capacitor of the drilling machine in the next operation period is obtained; when the transient peak value is greater than a preset compensation threshold value, performing constraint scheduling on the transient load power of the super capacitor by using a power optimization model to obtain a confidence compensation amount of the transient load power in the super capacitor; and when the drilling machine is in an oil field drilling and production transient working condition, an emergency regulation factor of the drilling machine in the transient working condition is determined through the confidence compensation amount and the rated power of the drilling machine, and then power distribution of the super capacitor and diesel power generation in the next control period of the drilling machine is subjected to confidence regulation based on the emergency regulation factor. Based on the scheme, balanced green power distribution under the transient working condition of the drilling machine can be realized.

The invention discloses a photovoltaic power generation management method and system, and relates to the technical field of photovoltaic power generation management, and the method comprises the steps: S1, carrying out the real-time monitoring and classification of loads: carrying out the real-time monitoring of various types of electricity loads in an off-grid system through an intelligent electric meter and a sensor; s2, implementing an energy distribution algorithm: performing energy distribution by using a dynamic energy distribution algorithm according to the battery electric quantity, the photovoltaic power generation power and the load demand real-time monitoring data; s3, power generation equipment cooperative management: establishing a cooperative control mechanism of a photovoltaic panel and a diesel generator by means of the monitored environmental parameters; s4, intelligent management of energy storage equipment: monitoring parameters such as voltage, current, temperature and residual electric quantity of the battery in real time; s5, equipment state monitoring and data analysis; and S6, executing the active maintenance mechanism. According to the photovoltaic power generation management method and system, energy can be accurately distributed according to the load requirement, the generated power and the electric quantity of the battery which are monitored in real time.

The invention discloses a risk early warning method and system for an emergency diesel generator of a nuclear power plant, and the method comprises the steps: collecting operation parameters of a generator set in a hot standby state, and when the parameters are not in a preset normal range, indicating that the parameters are abnormal and the generator set breaks down; preprocessing the acquired operating parameters, and extracting effective features of the preprocessed operating parameters; on the basis of the generator set with the fault, combining with the effective characteristics, and utilizing a high-frequency data flow transient anomaly recognition algorithm to capture an anomaly type label to obtain fault information; evaluating the risk degree of the generator set according to the effective features and the abnormal type labels of the preprocessed operation parameters; and carrying out risk early warning and response on the generator set according to the risk degree of the generator set. According to the invention, the operation state of the emergency diesel generator set can be monitored in real time, accurate risk assessment and early warning information is provided, and the risk management capability of managers is enhanced.

The invention provides a polar region clean energy system staged capacity optimization method and device and a readable storage medium, and belongs to the field of new energy planning. The problems of energy storage capacity redundancy and low hydrogen energy conversion efficiency existing in a traditional capacity planning method are solved; comprising the following steps that a staged optimization model is constructed based on seasonal characteristics, the staged optimization model comprises a first-stage model and a second-stage model, the first-stage model considers day-to-day balance of one year, the second-stage model only considers intra-day balance, and total cost minimization is taken as a target; inputting related parameters, and calling the first-stage model to solve annual capacities of wind power, photovoltaic and hydrogen energy storage and a standby threshold value of a diesel generator; calling the second-stage model day by day to obtain power and capacity of electrochemical energy storage and hydrogen energy storage; performing global capacity decision and outputting final capacity configuration of each device; the method is applied to clean energy system capacity planning.

The invention belongs to the technical field of oil field equipment power supply, and particularly relates to a multi-source coordinated energy consumption control method and system of an oil field drilling machine, a terminal and a storage medium, the method comprises the steps of monitoring the power demand of the load side of the oil field drilling machine in real time, and obtaining the total load demand power and the real-time load power slope; calculating the real-time output power of the photovoltaic new energy unit based on the monitored illumination intensity, and determining the photovoltaic distribution power; dynamically distributing power supply power of a power grid power supply unit according to the total load demand power, the photovoltaic distribution power and the power grid response coefficient; and after the photovoltaic distribution power and the power grid distribution power are met, the compensation power of the diesel power generation unit is dynamically adjusted according to the residual load power gap and the economic power lower limit of the diesel power generation unit. The power demand of the load side of the oil field drilling machine is monitored in real time, and multiple energy supply modes such as photovoltaic new energy, a power grid and diesel power generation are combined, so that efficient, green and stable operation of the oil field drilling machine is achieved.

The invention relates to the technical field of agricultural machinery, in particular to a full-electric drive grain harvester. The full-electric drive grain harvester comprises a diesel generating set, an electric control cabinet, a plurality of frequency converters, a plurality of drive motors and a plurality of loads. The plurality of frequency converters, the plurality of driving motors and the plurality of loads are in one-to-one correspondence; the electric control cabinet receives alternating current output by the diesel generating set, converts the alternating current into direct current and distributes the direct current to the frequency converters. The frequency converter receives the direct current distributed by the electric control cabinet, converts the direct current into variable-frequency alternating current and outputs the variable-frequency alternating current to the corresponding driving motor; and the driving motor receives the variable-frequency alternating current output by the frequency converter and controls the corresponding load to act. The full-electric drive grain harvester solves the problems that a traditional grain combine harvester is low in transmission efficiency, poor in system reliability, high in failure rate, poor in energy-saving effect, large in pollutant emission, large in vibration and large in equipment noise.

The invention discloses an energy control method and device based on an optical diesel storage micro-grid system and a medium. The invention relates to the field of energy management, and solves the problem of consumption of diesel generator feedback residual electricity and photovoltaic feedback electricity in a factory and the problem of reducing the demand electric charge of the factory. Whether feedback electricity is generated or not is recognized through power grid home-entry load data, once it is judged that the feedback electricity exists and energy storage does not reach the preset upper limit, energy storage charging is immediately controlled, redundant electric energy such as the feedback electricity of the diesel generator test stand and photovoltaic residual electricity is stored, and the problems that the feedback electricity cannot be connected to a grid and consequently waste is caused and photovoltaic light is abandoned are solved; when no feedback electricity exists, whether the energy storage state of charge (SOC) is lower than a preset lower limit or not is judged to avoid over-discharge, then charging is triggered in combination with the conditions that the load power is smaller than or equal to a peak clipping threshold value in a low ebb period, and low-cost energy storage is conducted through the valley electricity; and when the load exceeds a peak clipping threshold value and is in a non-low-ebb period, discharging is triggered, and the load peak demand is matched. In addition, when the load peak or the load exceeds the peak clipping threshold value, power supply is supplemented through energy storage discharge, and the cost is reduced.

The mobile charging equipment comprises a semi-trailer type vehicle body, an energy storage compartment, a photovoltaic power generation and heat collection device, a solar photovoltaic panel, a storage battery pack, a heat collection device, a water electrolysis hydrogen production pool, a hydrogen storage tank, a boiler device, a steam turbine generator unit and a fuel cell power generation system. By integrating the technologies of solar power generation and heat collection, solid oxide water electrolysis hydrogen production, steam turbine unit power generation, fuel cell power generation and the like, convenient energy supplementation of the electric agricultural machine is achieved. The equipment is an efficient and environment-friendly energy supply platform, automatic control and remote management can be achieved, and operation convenience and efficiency are improved. Meanwhile, the steam turbine power generation and fuel cell technology is adopted to replace a traditional diesel generator, pollutant emission is reduced, and the requirements of green energy and sustainable development are met. In addition, the equipment can serve as energy storage equipment when being idle, peak load shifting of energy is achieved, and agricultural modernization and sustainable development are promoted.

The invention discloses a dispatching method and system based on a distributed diesel generator and a virtual power plant, and relates to the technical field of power systems and energy internet. Comprising the steps that a local control unit establishes an operation constraint model containing a nonlinear fuel efficiency and carbon deposition risk model, and generates a health recommendation domain; the cloud end generates a triple scheduling instruction packet containing reference power, offset bandwidth and weight vectors in combination with power grid constraints; identifying the impedance of a grid-connected point on line at the edge side, and carrying out asymmetric compression correction on the bandwidth based on the voltage sensitivity under a weak grid; and the local unit performs rolling optimization solution under the double constraints of the corrected instruction and the local model, and switches to the anti-carbon deposition autonomous mode containing dummy load input when the communication is interrupted and the carbon deposition risk is high. According to the invention, through cloud-side-end cooperation and hierarchical closed-loop correction, the conflict between the weak network voltage out-of-limit risk and the low-load carbon deposition of the unit is effectively solved, and the safety and the performability of scheduling are improved.

The invention provides a fault diagnosis method and system for a diesel generating set. The fault diagnosis method comprises the following steps: preprocessing acquired operation data of a plurality of components of the diesel generating set; performing principal component analysis on the preprocessed data set, extracting abnormal features, and constructing an abnormal feature set; working condition influence parameters are calculated according to pre-collected working condition information of the diesel generating set, and a fault propagation path diagram is constructed based on the abnormal feature set and the working condition influence parameters; identifying a key fault propagation path in the fault propagation path graph by adopting a weighted path search algorithm, determining nodes in the key fault propagation path as candidate fault source nodes, and constructing a candidate fault source node set; and calculating a fault probability corresponding to each candidate fault source node, determining a fault source node according to the fault probability, and diagnosing a component corresponding to the fault source node as a fault component to obtain a fault diagnosis result. The accuracy of fault diagnosis of the diesel generating set can be improved.

A locomotive has DC or AC traction motors, powered by a hydrogen fuel cell, and optionally other sources such as regenerative braking. The traction motors of the locomotive may be connected to a set of independent DC choppers or AC inverters, linked via a common DC bus, configured to regulate power from the one or more power sources. A manager module, among other functions, may receive inputs and signals to coordinate delivery of electricity from the sources to the motor. A method for retrofitting a legacy locomotive may include removing a generator and a control apparatus configured for diesel fuel, and installing a kit of apparatus configured to be powered by a hydrogen fuel cell. A railway system for use by locomotives powered by hydrogen has one or more hydrogen-generation stations deployed near a track of the railway system.

The invention relates to a novel intelligent calculation center power supply framework which comprises an A-path power supply module, a B-path power supply module, a diesel generator power supply module and a cabinet module. Wherein the A-path power supply module, the B-path power supply module and the diesel generator power supply module are used for supplying power to the cabinet module in a normal operation state, an A-path commercial power supply fault state, a B-path commercial power supply fault state and a double-path commercial power supply fault state respectively, and the cabinet module comprises an AC-DC rectifier module, a super capacitor and a cabinet. And the cabinet module is used for inputting the accessed power supply to the cabinet through the AC-DC rectifier module and the super capacitor. The power supply architecture is mainly formed by connecting the busbars and the dense buses, the connection mode is simple, the field construction amount and fault hidden danger points are greatly reduced, and the safety of the system is improved.

The utility model relates to the technical field of generator sets, in particular to a fuel injection device of an efficient diesel generator set, an annular limiting ring is arranged in the middle of the inner side wall of a sliding lock sleeve, and a magnetic ring is arranged on the sliding lock sleeve on the side, close to an external connecting pipe, of the limiting ring; when the magnetic ring moves to the position corresponding to the limiting hole, the magnetic ring can magnetically attract the ball, so that the part, protruding out of the inner side wall of the tee joint body, of the ball is reduced. A magnetic ring is arranged on the sliding lock sleeve, so that when a limiting ring and a limiting hole are staggered by compressing a reset spring, the magnetic ring can magnetically attract a ball, the ball can overcome the gravity effect to move, and then the part, protruding out of the inner side wall of the first end of the tee joint body, of the ball can automatically move into the limiting hole; the situation that the ball still protrudes out of the inner side wall of the first end of the tee joint body due to the gravity effect can be well avoided, and the situation that the oil inlet pipe and the tee joint body are inconvenient to disassemble and assemble due to the fact that the ball and the annular clamping groove still form limiting is avoided.

The invention discloses a diesel generating set bearing fault diagnosis system combining TTAO-VMD and IWOA-BP, and the system comprises a signal collection module which is used for collecting a vibration signal of a bearing of a monitored diesel generating set, and serves as an input signal of a TTAO-VMD fault feature extraction module; the TTAO-VMD fault feature extraction module is used for receiving the bearing vibration signal, calculating feature parameters of the bearing vibration signal in a time domain and a frequency domain according to the optimal component, and constructing a feature vector data set; the IWOA-BP fault mode recognition module is used for classifying the faults of the rolling bearing according to the feature vector data set; and the man-machine interface module is used for displaying the data analysis result and the fault type.