527 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 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 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 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 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 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 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.

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 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.

The invention discloses a design method of a lightweight offshore booster station diesel generator system, and belongs to the technical field of offshore booster station design. Comprising the steps of determining an island operation mode of the offshore booster station; under the island operation mode of the offshore booster station, calculating the calculated load of a diesel generator in a diesel generator system, the rated capacity of an oil storage tank, the size of a diesel engine room and the size between diesel tanks; calculating the rated power of the diesel generator; determining an arrangement mode between the diesel engine room and the diesel tank; according to the rated capacity of the oil storage tank, the rated power of the diesel generator and the arrangement mode between the diesel engine room and the diesel tank, the design result of the lightweight offshore booster station diesel generator system is obtained. The island operation mode can be determined, the rated power of the diesel generator can be accurately calculated, the capacity of the oil storage tank can be accurately calculated, the size between the diesel engine room and the diesel tank and the equipment arrangement scheme are optimized, and the reliability, economy and space utilization rate of the system are improved.

The application discloses a mobile diesel generating set capable of being quickly assembled and disassembled and relates to the technical field of diesel generating sets. The mobile diesel generating set comprises a generating set body which is composed of a diesel engine and a generator, energy-saving power generation of the generator is realized by pouring diesel oil into the diesel engine through the generating set body, and the generating set body is provided with adaptive mechanisms on the left side and the right side. The upper ends of adaptive outer frames which are distributed in front and back are provided with locking outer frames, the locking outer frames are used for locking the interval of the adaptive outer frames on the left side and the right side, and the generating set body is provided with sliding mechanisms on the left side and the right side. The mobile diesel generating set capable of being quickly assembled and disassembled is characterized in that the locking outer frames and the adaptive outer frames on the left side and the right side are arranged outside the generating set body, the adaptive disassembly and assembly of the generating set body are realized without hoisting, and the support and sliding are realized by the slidable sliding columns and the sliding wheels at the lower ends, so that stable support is realized when the generating set body is switched during operation and movement.

1. The name of the design product: diesel generator (H). 2. The use of the design product: generator power generation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The bottom of the design product is not easy to see or not visible when used, omit the top view.

The invention relates to the technical field of tail gas treatment, in particular to a tail gas treatment structure of a movable diesel generating set. Comprising a supporting seat and further comprises a cyclone separator, a first barrel, a flow guide part, a second barrel, a third barrel, a vibration part, a driving part and the like. Through cooperative cooperation of the cyclone separator, the impingement plate, the flow guide part, the vibration part and the driving part, in the tail gas treatment process, the cyclone separator separates and collects large particles, the impingement plate enables airflow to uniformly enter DOC for oxidation, the flow guide part sweeps high-temperature gas to the end face of the DPF to form uniform heating, and the tail gas treatment effect is improved. The vibration part transmits vibration to the DPF through the vibration transmission rod so that a soot layer can be loosened, and the driving part drives the flow guide part to rotate and the vibration part to work at the same time. Therefore, the problems that in the prior art, an ash-carbon composite layer formed by ash accumulation hinders regeneration heat transfer, and a soot layer is compacted compactly under the low-load working condition, so that regeneration starting is difficult, and heat spreading is slow are systematically solved.

The invention discloses a diesel generator-energy storage multi-source coordination control system and method based on a network construction technology. The system comprises a signal acquisition unit used for acquiring multi-source heterogeneous data, forming a data packet and sending the data packet to a signal processing unit; the controller is used for receiving a downlink control instruction and sending the downlink control instruction to the diesel generator-energy storage system; the signal processing unit is used for analyzing the received data packet and then sending the analyzed data packet to the downlink unit; the sending unit is used for sending the downlink control instruction to the signal acquisition unit; the analysis control unit is used for executing grid-connected no-load circulation suppression, on-load operation control and oil engine exit control based on the received analysis data, generating an initial control instruction and sending the initial control instruction to the downlink unit; and the differential coordination control compensation unit is used for performing dynamic compensation based on the received data, generating a final control instruction and sending the final control instruction to the signal processing unit. Through the system, the problems of insufficient stability, insufficient multi-source coordination, poor equipment compatibility and the like in diesel generator-energy storage grid connection in the prior art are effectively solved.

The invention discloses a vehicle-mounted adaptive multi-mode intelligent switching power supply system, and belongs to the electrical field. The system comprises a diesel generating set, a dual-power-supply automatic switching control box, an uninterruptible power supply, a power battery pack, an alternating-current power distribution unit, a direct-current power supply, a direct-current power distribution unit, an alternating-current switching box, a master control panel and a power supply and distribution system cable network. The diesel generating set is used as a standby power supply and is automatically switched with the mains supply through the dual-power-supply automatic switching control box; the uninterruptible power supply realizes alternating current conversion and battery inversion backup; the direct-current power supply provides low-voltage direct-current output; the alternating-current and direct-current power distribution units realize electric energy distribution and control; the alternating current switching box realizes single-path input and multi-path output; and the master control panel centrally controls the start, stop and on-off of the system. The system has the characteristics of multi-mode self-adaption, intelligent switching, fault self-recovery and high reliability, and is suitable for stable power supply of vehicle-mounted equipment such as a military command vehicle.

The invention belongs to the technical field of road maintenance equipment, and more particularly relates to a double-machine cooperative asphalt pavement field thermal regeneration centralized power supply system and method. The device is applied to asphalt pavement site thermal regeneration construction and comprises a first combined type heating machine integrated with a main diesel generator and a second combined type heating machine internally provided with an electric interface. The first combined type heating machine and the second combined type heating machine are each provided with a heating system, a hydraulic system and an electrical system. The power supply connecting device comprises a high-voltage cable and a quick plug connector; and the control system integrated on the first combined type heating machine realizes global monitoring and fault self-protection of the dual-machine power supply system through a power switch module, an overload protection module, a voltage monitoring module and a state display panel. Through cooperative operation of double machines, the operation distance can be flexibly adjusted to adapt to construction of different road surfaces; the transition refueling frequency is reduced by 50%, the time is shortened by more than 40%, and the construction efficiency is greatly improved.

This utility model relates to the field of chemical environmental protection equipment technology, specifically to a plasma skid-mounted treatment device for treating river sludge. The device employs the structure provided by this utility model, featuring three skid-mounted boxes, making it easy and flexible to move, meeting the needs of complex sites and field deployments. It has a short manufacturing cycle, and the equipment connections are mostly compression fitting flanges for easy assembly. It can be equipped with a diesel generator set, requiring only water supply on-site. The skid-mounted boxes have water and air inlets, electrical and instrumentation inlets, and a material inlet, allowing for continuous feeding and continuous sludge discharge. The process is simple and reliable.

The invention discloses an emergency power van high-voltage diesel generator set, and relates to the technical field of generator sets, the emergency power van high-voltage diesel generator set comprises a high-voltage diesel generator body, the outer surface of the high-voltage diesel generator body is provided with a controller, and the high-voltage diesel generator body is internally provided with a scaling assembly used for adjusting the size of the space in a combustion chamber. According to the high-voltage diesel generator set of the emergency power supply vehicle, when the high-voltage diesel generator body needs to operate at a low load, a servo motor is started, a movable rod moves upwards to drive a sealing plate to move upwards, then a plurality of telescopic rods extend, and therefore the space in a combustion chamber is reduced when the high-voltage diesel generator body is under the low load condition; air is highly compressed in a narrow space, the compression end temperature and pressure can be increased by reducing the space of the combustion chamber, and the problem that in the prior art, due to the fact that the combustion space in the combustion chamber cannot be adjusted according to the actual load condition, resource waste is likely to be caused during low-load operation is solved.

The invention provides an intelligent micro-grid control method based on multi-source collaborative optimization, and belongs to the technical field of micro-grid control, and the method comprises the steps: collecting the operation state data of a diesel generator set in real time, including the output power, the fuel consumption rate and the operation temperature of the diesel generator set, and the SOC and the charging and discharging power of an energy storage system; output voltage, current and illumination intensity of the photovoltaic array, and real-time power data of a load end; obtaining the total load demand and the schedulable energy storage capacity of the current micro-grid system; calculating an optimal generator set operation interval according to the load demand and the energy storage scheduling capability; and the output power of the generator set is dynamically adjusted, so that the generator set operates in the optimal fuel efficiency interval. Through real-time sensing and dynamic adjustment, the generator set always operates in the optimal fuel efficiency interval, fuel consumption of unit electric energy is remarkably reduced, the overall energy utilization efficiency is improved, and carbon emission is reduced.

The invention provides a Java-based diesel generator intelligent start-stop and power dynamic distribution dynamic adaptive method, and belongs to the technical field of hybrid energy management, and the method comprises the steps: S1, importing photovoltaic data and load data, and processing the photovoltaic data and the load data to the same granularity; s2, establishing a dynamic power gap calculation model, and providing an accurate data basis for diesel generator intervention based on photovoltaic and load prediction data; s3, starting a time window fusion intelligent decision algorithm, analyzing the time sequence characteristics of a power gap, replacing multiple times of short-time start and stop with single-time long-time operation, and improving the load rate of each time of operation; and S4, deriving a result through a start-stop time reverse derivation mechanism based on the total energy, firstly determining the moment when the diesel engine needs to stop power supply, and then reversely calculating the latest start moment according to the total energy gap and the rated power of the diesel engine in the window, thereby ensuring that the operation duration of the diesel engine is accurately matched with the actual energy demand, avoiding the waste of fuel oil, and reducing the energy consumption of the diesel engine. And high efficiency and economical efficiency of the operation process are realized.

This invention discloses a comprehensive energy operation simulation method and system based on multi-objective optimization, belonging to the field of energy technology, aiming to solve the problems of equipment overload and discontinuous power supply caused by supply and demand imbalance under extreme climate conditions. The method establishes a multi-objective collaborative optimization model based on the renewable energy types and seawater desalination load characteristics of the island microgrid. An improved NSGA-III algorithm is used to simulate the model and generate a scheduling scheme, including the start-up and shutdown sequence of the hydrogen production equipment. When a typhoon warning signal is received, the seawater electrolysis hydrogen production equipment is forcibly locked, and the output power of the diesel generator is fixed within a preset range. During the operation of the hydrogen production equipment, the output fluctuation data of the wave energy generator is collected in real time, and the operating power of the reverse osmosis seawater desalination unit is adjusted through a dynamic correction algorithm. When the hydrogen storage capacity of the hydrogen production equipment reaches a threshold, the power lock of the diesel generator is released, switching to a multi-energy coupling control mode, and the charging and discharging strategy of the energy storage equipment is updated synchronously.

This invention discloses a high-voltage diesel generator set for an emergency power vehicle, relating to the field of generator set technology. It includes a high-voltage diesel generator body, a controller mounted on the outer surface of the generator body, and a scaling component inside the generator body for adjusting the size of the combustion chamber. When the generator body requires low-load operation, a servo motor is activated, driving a sealing plate upwards via a movable rod. This causes multiple telescopic rods to extend, reducing the space inside the combustion chamber under low-load conditions. This results in highly compressed air within the confined space, enhancing the temperature and pressure at the end of compression. This solves the problem in existing technologies where the combustion space inside the combustion chamber cannot be adjusted according to actual load conditions, leading to resource waste during low-load operation.

The purpose of this invention is to disclose a power supply and distribution method and system for a gas-fired micro power station. By dividing the generator sets into a constant power output group and other supplementary groups, when the power changes, only one of the constant power output group or the other supplementary groups needs to be controlled. This solves the technical problem that generator sets in the power station come from different manufacturers, the gas control systems are different, and multiple systems are incompatible, making parallel operation impossible. Peak shaving and valley filling are achieved through energy storage modules. Energy storage resists load changes and seamlessly switches with diesel generator start-up, reducing the number of generators used and forming a hybrid power supply mode that combines generators and energy storage. This avoids problems such as generator tripping, motor overheating, and large energy loss in the power station caused by load impacts.

The invention discloses a flexible picking type agaric harvester, which belongs to the technical field of agricultural machinery and comprises a traveling mechanism, a shifting mechanism positioned in the front is mounted on the traveling mechanism, and a diesel power generation mechanism mounted on the traveling mechanism is arranged behind the shifting mechanism. A feeding conveying mechanism installed on the walking mechanism is arranged behind the diesel power generation mechanism, a supporting frame and a controller which are installed on the walking mechanism are arranged behind the feeding conveying mechanism, and a pneumatic flexible picking mechanism is installed on the inner side of the supporting frame. A pneumatic flexible picking mechanism is arranged on the supporting frame, an agaric harvesting basket installed on a walking mechanism is arranged below the pneumatic flexible picking mechanism, a discharging conveying mechanism installed on the walking mechanism is arranged behind the supporting frame, an overturning material placing mechanism installed on the walking mechanism is arranged behind the discharging conveying mechanism, and a storage battery is installed on the walking mechanism. According to the invention, the harvesting mode is optimized, the damage of the auricularia auricula is reduced, the picking quality and the working efficiency are improved, and the labor intensity of planters is reduced.

The utility model discloses a hybrid energy supply device which comprises an energy supply box body, a diesel generator, an energy storage battery pack and an electric heating steam generator are installed at the inner bottom of the energy supply box body, and the diesel generator is transversely fixed to the left rear side of the interior of the energy supply box body and used for generating electric energy by burning diesel oil. The energy storage battery pack is fixedly installed on the left front side in the energy supply box, one side of the energy storage battery pack penetrates through the energy supply box, and the electric heating steam generator is fixed to the right side in the energy supply box and used for converting electric energy into heat energy and generating steam for printing and dyeing equipment to use. A controller is installed on the front side portion of the energy supply box body and connected with the diesel generator, the energy storage battery pack and the electric heating steam generator through cables of an internal circuit board. The utility model belongs to the technical field of energy supply, and particularly relates to a mixed type energy supply device.

The invention discloses an energy-saving diesel generating set with a damping structure, and relates to the technical field of energy-saving diesel generating sets. Comprising a fixing plate, the top of the fixing plate is fixedly connected with elastic plates, the elastic plates are trapezoidal, the top of the fixing plate is fixedly connected with an annular plate, the top of the fixing plate is provided with a top plate, the top plate is fixedly connected with the ends, away from the fixing plate, of the elastic plates, and the multiple elastic plates are evenly arranged on the peripheral edge of the top plate. According to the energy-saving diesel generating set with the damping structure, the multiple elastic plates are arranged on the edge of the top plate, stress of the fixing plate and the top plate is mainly concentrated in the vertical direction, when the inclined structures of the trapezoidal elastic plates bear vertical pressure, vertical impact force is converted into lateral dispersion force through elastic deformation of the bevel edges, and the damping effect is achieved. Transmission of vibration to a foundation below the base or a unit above the base is reduced, and fatigue damage to parts caused by long-term vertical vibration is reduced.

1. The name of the design product: diesel generating set (semi-open type). 2. The use of the design product: for diesel generating set. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.