1259 results about "Diesel generator" patented technology

Disclosed a decision-dependent chance-constrained optimal model for enhancing resilience of power distribution system under renewable generation uncertainty through strategically setting-up and activating dispatchable diesel generators, renewable distributed generations, battery energy storage systems, and switchable devices. By incorporating the information of decision variables, a moment-based ambiguity set is employed to depict the uncertainty arising from renewable distributed generators. By leveraging convex approximations to handle the considered joint chance constraints, the disclosed model is transformed into a tractable mixed-integer second-order conic programming problem to be solved.

The invention relates to the technical field of ship power systems, and discloses a ship comprehensive power system based on composite energy storage, comprising an energy generation module which comprises a diesel generator, a gas turbine and a renewable energy sub-module and is used for generating electric energy; the energy storage management module comprises a lithium battery, a super capacitor and a flywheel energy storage system and is used for storing and releasing electric energy; the energy distribution and scheduling module is used for controlling energy distribution between the energy generation module and the energy storage management module; the load management module is used for adjusting the load power requirement according to the load priority; and the health management and fault monitoring module is used for monitoring the operation states of the energy storage management module and the system in real time. Through cooperative work of multiple energy storage units and combination with optimization control of the energy distribution and scheduling module, characteristics of different energy storage devices are fully exerted. Therefore, loss in the energy conversion process is remarkably reduced, distribution and utilization of electric energy are optimized, and the overall energy utilization efficiency of the system is improved by about 15%-20%.

The invention discloses a mobile energy storage pre-layout and dynamic scheduling system and method oriented to toughness improvement of a power distribution network, and belongs to the technical field of power systems and intelligent power grids. In the pre-disaster stage, a two-stage robust optimization model fusing photovoltaic output uncertainty is constructed, and the configuration cost of mobile energy storage, the load reduction risk and the traffic accessibility of key nodes are comprehensively considered to generate an optimal deployment scheme; in a post-disaster stage, based on a traffic network state and a multi-source output characteristic, a multi-source collaborative dynamic scheduling model is constructed, a migration path, a charging and discharging strategy and charge state control of mobile energy storage are optimized in real time, and power supply loss of a key load is minimized. The system realizes rapid power supply recovery and safe operation in the island power grid by cooperatively controlling distributed resources such as mobile energy storage, electric vehicles, photovoltaic and diesel generators and the like. According to the invention, the quick response capability and recovery efficiency of the power distribution network under extreme disasters are significantly improved.

The invention discloses a centralized unloading type power generation robot which comprises a mute box type diesel generator set and further comprises at least two sets of lifting supporting rod assemblies, and the lifting supporting rod assemblies are arranged on the two sides of the mute box type diesel generator set so as to lift the mute box type diesel generator set in the loading and unloading process. According to the centralized unloading type power generation robot, by arranging the lifting supporting rod assembly, the problem that a traditional generator set loading and unloading vehicle depends on hoisting equipment is solved, automatic lifting and unloading of the loading and unloading vehicle can be achieved in the environment without the hoisting equipment, the transportation efficiency is improved, the transportation cost is reduced, and it is ensured that the equipment can be rapidly transferred to the needed place to be put into use.

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.

A microgrid has a microgrid controller that controls power delivery from two or more energy sources to one or more microgrid loads. A prediction is made as to when a main power grid may lose power. The microgrid controller operates in a prepare for islanding mode when a future loss of power is predicted, during which power received from the main power grid source, a solar power source and / or a wind power source are prioritized over energy costs and CO2 emissions to charge the battery power source to a prepare for islanding charge level. The microgrid controller operates in an islanding mode when the main power grid source loses power, during which power received from the solar power source, the wind power source, the battery power source and / or a diesel generator power source are prioritized to maximize a time that the microgrid can remain powered.

The invention relates to the technical field of box type diesel generating sets, in particular to a box type diesel generating set with a damping structure. Comprising a bottom frame, the bottom frame is fixedly connected with a plurality of fixing pins, the fixing pins are jointly connected with a bearing table in a sliding mode, the bearing table is provided with an engine and a generator, the engine is provided with an output shaft, the generator is provided with an input shaft, the output shaft is fixedly connected with a first fixing ring, and the first fixing ring is fixedly connected with a fixing column. The input shaft is fixedly connected with a second fixing ring. The mode that an existing coupler structure is replaced by active connection is adopted, so that when the diesel engine transmits power to the generator through a coupler, the generator cannot rotate along with an output shaft of the diesel engine under the action of viscous engine oil in the generator, and the diesel engine cannot drive the generator to rotate temporarily; therefore, the damage risk of mechanical parts in the diesel engine is reduced.

The invention discloses a self-loading and unloading type diesel generating set structure, and belongs to the technical field of diesel generating sets, the self-loading and unloading type diesel generating set structure comprises a case for installing a diesel generator component, a rack is fixedly installed outside the case, and supporting steel frames are fixedly installed at four corners of the rack; an upper pull rod and a lower pull rod are sequentially and rotationally connected into the supporting steel frame from top to bottom, rectangular columns are rotationally connected to the sides of the upper pull rod and the lower pull rod, the upper pull rod and the lower pull rod are arranged on the supporting steel frame, the inclination between the rectangular columns is the same, and supporting vertical rods are slidably arranged in the rectangular columns in a sleeved mode. A supporting mechanism for keeping the lifting, loading and unloading balance of the case is arranged between the supporting vertical rod and the rectangular column, and the supporting vertical rod lifts to adjust and control the supporting mechanism to automatically stretch and fold for storage; the case can be supported and buffered in the lifting loading and unloading process through the supporting mechanism, the case can stably fall to the ground, loading and unloading vibration of the case is avoided, and the service life of the case is prolonged.

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 discloses a ship distributed hybrid energy system and an evaluation method thereof, the system comprises a solar photovoltaic module, a wind driven generator module, a diesel generator module, an energy storage system, a converter module, a combined heat and power generation module and a thermal load controller, and the method comprises the steps of obtaining ship data information; performing analysis according to the ship data information; according to the power load analysis, heat energy converted by the residual electric quantity in the energy storage system through the combined heat and power generation module is obtained; obtaining an optimal combination according to an analysis result of the thermal load analysis; performing power demand-based dynamic pricing analysis, environmental influence evaluation analysis and social factor evaluation analysis on the optimal combination; according to the evaluation analysis result, determining that the corresponding optimal combination is a solution for comprehensive and sustainable use of the ship energy; the problems that in the prior art, many defects exist in the aspects of an energy structure, intelligent management and system integration, and efficient utilization, intelligent management and sustainable development of an energy system cannot be achieved are solved.

The invention provides a hybrid power supply control method and a hybrid power supply system, a power supply of the system comprises a mains supply, an energy storage battery pack and a diesel generator, the hybrid power supply system uses the mains supply as a main power supply to supply power to a load, the energy storage battery pack and the diesel generator are used as standby power supplies, and the priority of the energy storage battery pack is higher than that of the diesel generator; according to the method, when a diesel generator needs to be started for power supply, the diesel generator is controlled to work within a first working power range; in the power supply process of the diesel generator, the real-time electric power of the load is monitored; and the charging power or the discharging power of the energy storage battery pack is adjusted according to the real-time electric power of the load, so that the diesel generator works within the first working power range. According to the method, the problem that the output power of the diesel generator is difficult to stabilize in the first working power range of the diesel generator due to unstable required power of the load is relieved.

The invention relates to an island microgrid energy storage optimization configuration method based on load power prediction, and the method comprises the following steps: constructing an energy system model which comprises a wind turbine generator model, a photovoltaic generator set, an energy storage system model and a diesel generator set model; establishing an energy storage optimization configuration model; establishing a load short-term power prediction model and speculating a prediction value; a non-dominated solution elite decision-making mechanism in an NSGA-II algorithm is introduced into a multi-target particle swarm algorithm to serve as a multi-target sorting strategy, and an energy storage optimal configuration scheme is obtained. According to the method, after load prediction is considered, the multi-target hybrid particle swarm optimization algorithm is adopted, optimal parameter selection of the energy storage device can be more efficiently realized, and stable operation of the island microgrid system is realized.

The invention discloses an automatic processing device for diesel generator processing and a processing method, an intermittent rotating seat is rotatably mounted above a base, a composition jig is placed above the intermittent rotating seat, the composition jig is located between an inner supporting plate and an outer pressing plate, a plurality of stator cores are placed above the composition jig in an overlapping manner, and the stator cores are located between the inner supporting plate and the outer pressing plate. The inner side and the outer side of the stator core abut against the inner supporting plate and the outer pressing plate correspondingly, a lifting base is rotationally installed at the bottom end of a push rod of the hydraulic cylinder, a pressure maintaining plate is arranged below the lifting base, and two welding mechanisms are arranged on the upper portion of the base in a bilateral symmetry mode. The intermittent rotating seat is provided with the pressure maintaining mechanism, the stator iron core is stacked between the inner supporting plate and the outer pressing plate in the pressure maintaining mechanism, the stator iron core can be supported and positioned, the welding precision is improved, the inner supporting plate and the outer pressing plate can be far away from each other, the built-in space is large, and the stator iron core can be conveniently placed and taken out.

The invention relates to the technical field of diesel generators, in particular to an environment-friendly low-noise diesel generator set. Comprising a unit, the unit is provided with a generator, the unit is provided with a heat dissipation plate, the unit is fixedly connected with a fixed shell, a cooling shell is slidably connected into the fixed shell, an electric control motor is fixedly connected into the fixed shell, the fixed shell is provided with a gearbox, the fixed shell is rotationally connected with a first gear with a gear shaft, and the first gear is provided with a gear shaft. And gear shafts of the first gears penetrate through the adjacent fixed shells and are provided with fans. The adjacent heat dissipation plates are covered through the fixed shell, multi-stage heat dissipation is carried out on the unit through the fan, noise generated when the power of the unit generator is increased is prevented from being increased and discharged through the heat dissipation plates, and therefore real-time automatic balance is carried out on heat dissipation and noise reduction of the unit generator; and maximum noise reduction is provided for the unit generator while the most energy-saving heat dissipation is maintained.

The invention relates to the technical field of diesel generating sets, in particular to a master control loop of diesel generating set equipment. The system comprises a data acquisition module, a model creation module, a dynamic adjustment module and a multi-machine parallel module. Power change data of a load and rotating speed data of an engine are acquired through the data acquisition module, a long-short-term memory network model for predicting the rotating speed of the engine is constructed by utilizing the model creation module, and the fuel injection quantity of the engine is calculated by utilizing a PID control algorithm according to the predicted rotating speed value of the engine through the dynamic adjustment module. According to the change of load power, the fuel injection quantity of an engine is dynamically adjusted, the rotating speed of the engine is regulated and controlled to be in a stable state, it is guaranteed that a generator outputs stable voltage, a multi-machine parallel module controls the output power and frequency of each unit through a droop control method, the frequency is automatically adjusted, and phase embedding is synchronous; and multi-machine parallel loading is realized.

The invention discloses a diesel generating set capable of recovering waste heat, and relates to the technical field of generator heat recovery, the diesel generating set comprises a filtering structure and a tail gas heat absorption structure, the filtering structure comprises a filtering box, a tail gas filtering plate is elastically arranged in the filtering box, and the filtering box is further fixedly communicated with a transmission bent pipe; the tail gas heat absorption structure comprises a cooling box, the end, away from the cooling pipe, of the water outlet pipe communicates with the cooling box, a gas inlet pipe and a gas outlet pipe are rotationally connected to a top plate and a bottom plate of the cooling box in a penetrating mode correspondingly, and a heat dissipation pipe fixedly communicates between the gas inlet pipe and the gas outlet pipe. The end, located on the outer side of the cooling box, of the air inlet pipe is rotationally connected with the end of the conveying bent pipe. Heat dissipated during working of the generator body can be recycled and stored in the cooling box in a warm water mode, and waste heat in tail gas is used for further heat preservation and heating of water in the cooling box.

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 belongs to the technical field of diesel generating sets, and particularly relates to a low-noise diesel generating set. Comprising a base; the soundproof box is arranged on the base, a fan, a diesel engine and a generator are arranged on the base, the diesel engine is provided with and communicates with an intake manifold and an exhaust pipe, an input shaft of the generator is fixedly connected with a first connecting seat, and the first connecting seat is slidably connected with sliding shells which are evenly distributed; a first spring is arranged between the sliding shell and the first connecting base, an output shaft of the diesel engine is fixedly connected with a second connecting base, the second connecting base is connected with a sliding ring in a sliding mode, and the sliding ring is fixedly connected with evenly-distributed sliding columns. When the rotating speed of the diesel engine exceeds the rated value, connection between the diesel engine and the generator is automatically disconnected, the generator is prevented from being affected by excess power, and therefore the generator is protected against damage, and stable operation of an electrical system is guaranteed.

The invention relates to the technical field of generator spindle dynamic balance detection, and discloses a diesel generating set balance test device and method, and the device comprises a supporting unit, a detection unit, an alarm unit, and a marking unit. The driving motor drives the three-jaw chuck and the diesel generating set main shaft to rotate, the driving belt wheel drives the driven belt wheel to rotate through the belt, the driven belt wheel drives the lead screw shaft to rotate, and then the detection unit is pushed to slide along the rotating diesel generating set main shaft. A vertical rod in the detection unit is always attached to the surface of the main shaft of the diesel generating set, when grooves and protrusions appear on the surface of the main shaft of the diesel generating set, the heights of the vertical rod and a bearing plate change, and then the heights of the grooves and the protrusions are judged through a distance sensor. Therefore, whether the main shaft meets requirements or not is judged, and the detection speed and accuracy can be integrally improved.

The invention relates to the technical field of generator set fault detection, in particular to a nuclear power emergency diesel generator set health detection method. Vibration signals and thermal parameters in the working process of the diesel generating set are collected through an external sensing device; filtering the collected vibration signals and establishing a dynamic data set; establishing a kinetic model of the diesel generating set according to the vibration signals in the dynamic data set, and performing anomaly analysis according to the established kinetic model and the thermal parameters to obtain abnormal vibration signals; and evaluating the health degree of the diesel generating set according to the abnormal vibration signal. The invention further provides a nuclear power emergency diesel generating set health detection system, the nuclear power emergency diesel generating set health detection method is adopted to achieve real-time monitoring and early warning of the diesel generating set, and the operation efficiency and safety of the emergency diesel generating set are effectively improved.

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.

A diesel generator starting system comprises a charger (200) which is provided with a positive electrode interface (210) and a negative electrode interface (220); the diesel generator starting system further comprises a super capacitor (400). The super capacitor is provided with a positive terminal (410), a negative terminal (420) and a starting terminal (430); the positive electrode interface of the charger is connected with the positive electrode terminal of the super capacitor; a cathode interface of the charger is connected with a cathode terminal of the super capacitor and is used for being connected with a cathode of a starting interface of a diesel generator (100); the starting terminal of the super capacitor is used for being connected with the positive electrode of the starting interface of the diesel generator. According to the diesel generator starting system, by means of the advantages of high power, long service life, no maintenance and low temperature resistance of the super capacitor, reliable and stable starting of the diesel generator is guaranteed.

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.