447 results about "Electrification" patented technology

The invention discloses an electricity testing measuring device for power equipment. The invention relates to the field of space electric field measurement, and solves the problems of unsafety and low anti-interference capability of an existing electricity testing scheme. The electric field sensor collects the electric field intensity in a non-contact manner, and the distance sensor synchronously collects the detection distance, so that a conventional contact type electroscope does not need to contact equipment through a telescopic insulating rod. The signal processing circuit preprocesses electric field intensity information and distance information respectively to obtain effective analog signals representing the electric field to be measured, and the defect that a traditional non-contact plate electrode sensor induces stray electric fields indifferentially is overcome. Besides, the judgment control circuit judges the electrification state according to the preset electric field threshold value corresponding to the current distance analog signal instead of a single fixed threshold value of a traditional device instead of adopting a fixed threshold value, the electric field distribution characteristics of equipment with different voltage grades are adapted, manual intervention is not needed, and personal safety is guaranteed. And the occurrence rate of production accidents caused by abnormal electrification of equipment is reduced.

The invention discloses an electrified railway anti-misoperation outdoor high-voltage combined electric appliance device, which comprises an anti-misoperation spring energy storage device, an isolating switch linkage mechanism and a circuit breaker linkage mechanism, and is characterized in that the anti-misoperation spring energy storage device consists of an energy storage shaft, an energy storage spring and an energy storage transmission connecting rod; the anti-misoperation spring energy storage device is further provided with an energy storage limiting mechanism for preventing the energy storage shaft from rotating mistakenly after the energy storage spring stores energy, and an opening and closing trigger mechanism for tripping the energy storage limiting mechanism. The integrated spring energy storage transmission device has a mechanical interlocking function and can prevent misoperation, the integrated switch structure ensures firmness and mechanical reliability, connecting wires among equipment during dispersed installation are eliminated, the occupied area is reduced by more than 40% compared with traditional discrete arrangement, centralized maintenance is convenient, and the integrated switch structure is simple in structure and convenient to operate. And the overhaul and maintenance work efficiency is improved.

Disclosed herein are systems and embodiments for improving energy efficiency of a chemical separations plant through heat integration. Heat integration may provide heating loops between distillation columns and / or integrated electric heating components configured to supply heat to reboilers in the chemical separations plant. Heat integration may use heat from an associated chemical synthesis plant configured to carry out an exothermic reaction (e.g., production of methanol from CO2 and H2). Such integrated process designs allow for the use of “low-grade” heat, thereby improving energy efficiency. Furthermore, such integrated process designs allow for electrification of exemplary chemical separations plants, replacing the use of steam as a heating medium with more energy efficient and carbon-emission neutral, electrical methods.

The utility model discloses a soft start system based on excitation current reduction, which is characterized in that a time relay mainly controls the switching of a live wire between a power resistor and an alternating current contactor, the power resistor magnetizes a transformer at the moment of electrification, and the alternating current contactor is connected into a circuit by the time relay after the magnetization is completed; and after the power resistor is short-circuited, the circuit is cut out, so that the purpose of suppressing the excitation inrush current is finally achieved, the excitation effect caused by voltage abrupt change at the power-on moment of the isolation transformer can be avoided, and the excitation abrupt change of the isolation transformer during power-on is effectively reduced.

The invention provides a mapping knowledge domain-based electricity demand and carbon emission correlation analysis method and system for a high-voltage electric control and emission enterprise. According to the method and the system, through collection and preprocessing of multi-source heterogeneous data, association rule mining and causal relationship modeling technologies are combined, and the influence of the electrification degree on the power consumption demand and the carbon emission of an enterprise is quantified. By constructing the knowledge graph of the electricity-carbon demand relationship, the system realizes systematic management of the power demand and carbon emission of the enterprise, provides intelligent decision support, helps the enterprise to optimize an electrification transformation scheme, and reduces carbon emission and energy consumption cost.

The invention discloses an electric energy management system and method for a multi-electric aero-engine, which are mainly suitable for comprehensive electric energy management of the multi-electric aero-engine. The system is mainly composed of a starter generator unit, a high-voltage energy storage unit, a power supply and distribution control unit and an electricity load unit. The management method comprises the steps of power supply framework initialization, starting power supply control, operation power generation switching, fault emergency processing and the like. A power supply and distribution centralized management mode is adopted, high and low voltage direct current buses are configured, all power supplies supply power to the buses, all loads take power from the buses, and the power supply and taking process is controlled by a power distribution unit. Aiming at control management of a multi-electric aero-engine power supply, an electric load and the like, reasonable, reliable and safe electric energy distribution management is performed on electrified equipment such as a starter generator, an energy storage battery, the electric load and the like through the electric energy management system, the energy conversion efficiency is improved, the weight of accessories is reduced, and the system is simple and easy to control; the engine working performance is improved.

The invention discloses a zero-carbon intelligent electrified highway transportation system, and relates to the technical field of highway transportation green low-carbon and new energy automobiles, and the system comprises the following components: an energy supply and management module which supplies power through the combination of an external power grid and a renewable energy power generation micro-grid, carries out the voltage reduction and rectification of a traction substation, and outputs the power to a power supply module; a renewable energy power supply proportion dynamic adjustment formula is utilized, and the total central control platform dynamically adjusts the power supply proportion according to the power consumption demand and the energy reserve, so that stable power supply is guaranteed; through close cooperation of the energy supply and management module and the vehicle energy utilization module, electric power is obtained from the overhead contact line system in real time in the driving process, the problems that a new energy heavy truck is short in driving mileage and low in energy supplementing efficiency are effectively solved, the transportation efficiency is greatly improved, the requirement for long-distance freight can be better met, and the transportation cost is reduced. And the road freight industry is powerfully promoted to develop in a more efficient and more convenient direction, and the competitiveness of transportation enterprises in the market is remarkably enhanced.

A method optimizes the efficiency and quality of use of an electric vehicle. The vehicle includes an electric motor module, a battery module to power the electric motor module, a sensor group, and a control module. The method involves the control module acquiring measurements of the vehicle. The control module also calculates an operating parameter characterizing the use of the vehicle within a predetermined time interval based on the acquired measurements as a function of a power output from the motor; defines a quality of use index based on the operating parameter; determines an optimal value of the power output from the motor for which the quality of use index is equal to or greater than a limit value; and generates a control signal to modify the power output from the electric motor and the transmission ratio from the measured value to the optimal value within the time interval.

The invention relates to the technical field of rocket engines, and discloses a variable-expansion-ratio spray pipe structure and a solid rocket engine. According to the variable-expansion-ratio spray pipe structure, a spray pipe body is provided with a first flange; the rear expansion section assembly is provided with a second flange; after the explosive bolt penetrates into the first flange and the second flange, the nut is screwed in so as to connect the spray pipe main body and the rear expansion section assembly; the variable-expansion-ratio spray pipe structure has the first expansion state that when the solid rocket engine works at the first pressure intensity, the spray pipe body and the rear expansion section assembly are connected through the explosive bolt; in the second expansion state, when the solid rocket engine works at the second pressure intensity, the explosive bolt is powered on, the explosive bolt is disconnected, and the rear expansion section assembly is separated from the spray pipe body; the first expansion state and the second expansion state are both complete expansion states. The explosive bolt is triggered to be disconnected through electrification, the separation time of the spray pipe body and the rear expansion section assembly is accurately controlled, and thrust balance of the solid rocket engine is ensured.

The invention relates to an electrified railway traction power supply system which is low in investment, is smooth for obtaining a current and is convenient to maintain. Rail webs outside two steel rails of a rail are respectively provided with one insulating strip; then a power supply strip is respectively arranged outside each insulating strip; each vibration inductive switch is connected in series with a sound inductive switch and a light-operated inductive switch; one ends of the connected switches are connected to the power supply strips at one sides; the other ends of the connected switches are connected with feed lines; the power supply strips at the other sides are connected with return wires. Power receiving frames at a headstock side and a tailstock side of a train are in contact with the power supply strips; when the train passes through a zone, the vibration inductive switches are closed, the sound inductive switches are closed, the light-operated inductive switches are closed, the power supply strips in the zone supply power, the power receiving frames of the train obtain a current and the train runs; when the train runs into a next power supply zone, the next power supply section is powered on, and power supply is stopped in the power supply zone. The aims of low investment, smoothness for obtaining the current and convenience for maintenance are fulfilled.

The method is applied to the fields of train regenerative braking energy utilization, stray current and rail potential treatment and the like in electrified rail transit, especially urban rail transit. The invention provides a direct-current traction power supply system capable of reducing the energy storage capacity of a super capacitor of urban rail transit, which is combined with a super capacitor energy storage device of the urban rail transit and supplies power to a power electronic device for treating stray current and rail potential by utilizing regenerative braking energy of a train. The super-capacitor energy storage device has the following advantages that on one hand, the energy storage capacity of the super-capacitor bank in the super-capacitor energy storage device between train braking and traction can be reduced, and the utilization efficiency of regenerative braking energy stored by the super-capacitor bank is improved; on the other hand, the problems of stray current, rail potential and the like in the system can be solved from the source, and the power supply distance of a traction substation is remarkably increased. Therefore, the direct-current traction power supply system is of great significance to green and safe operation of urban rail transit.

The utility model relates to the technical field of pipeline detection, in particular to a pipeline quality detection device for hydraulic engineering, which comprises a device body, a detection mechanism, a power connection mechanism, a hydraulic pump, a wireless controller, a moving mechanism and a storage battery are arranged in the device body, a first motor is fixedly arranged in the device body, and a second motor is fixedly arranged in the device body. A rotating shaft is arranged at the output end of the first motor in a transmission mode, a detection mechanism is arranged at one end of the rotating shaft, a power connection mechanism is arranged on the surface, located in the device body, of the rotating shaft, and the second motor is started to drive a rotating plate to rotate, so that an arc-shaped plate is pushed to open through a hinge rod, and an ultrasonic flaw detection head is close to the inner wall for flaw detection; meanwhile, a rotating shaft can be driven by a motor I to rotate, so that the detection mechanism is driven to rotate, the position of the ultrasonic flaw detection head is adjusted, a power connection sliding block of the power connection mechanism is always in sliding contact with the surface of an annular power connection rail, and rotation cannot affect electrification.

An electrified vehicle includes a chassis having a longitudinal length of at least 20 feet and an energy storage system. The energy storage system includes an enclosure coupled to the chassis, a battery pack positioned within the enclosure, a power distribution system positioned within the enclosure, a first wiring harness positioned entirely internal to the enclosure where the first wiring harness electrically couples the battery pack to the power distribution system, and a second wiring harness. A first portion of the second wiring harness is positioned internal to the enclosure and a second portion of the second wiring harness is positioned external to the enclosure. A maximum external length of any cable of the second wiring harness external to the enclosure is less than 25% of the longitudinal length.

The electrified rail transit overhead power supply system comprises a stand column, a power supply bow and a power receiving cable, and the stand column is arranged on one side of a rail; the power supply bow is mounted on the upright; the power receiving cable extends in the length direction of the traction locomotive to be arranged on the top of the traction locomotive and makes contact with the power supply bow for electric conduction. The power supply bow transmits power to the traction locomotive through the power receiving cable. The precise butt joint of the power receiving cable and the power supply bow replaces a traditional pantograph and a contact net, and the problems that the traditional contact net is unstable in power supply, prone to being affected by extreme weather, high in construction and maintenance cost and the like are successfully solved. Compared with a traditional contact network, the power supply system is simpler in structure and more convenient to maintain, the maintenance cost and human input are reduced, and a new thought and a new solution are provided for development of the rail transit power supply technology.

According to the intelligent locomotive and non-locomotive mode train vehicle electronic and electrical architecture method and system, a domain centralized control electronic and electrical architecture is formed through modularization and fusion distributed functions; or the functional controller in the region is integrated into the region controller and is further fused in a cross-domain manner to form an electronic and electrical architecture consisting of the central processing unit and the region controller; cab position domain controllers at the two ends can be arranged according to the characteristics of a locomotive, walking part position domain controllers are arranged at the positions of all walking parts, one or two or more vehicle body position domain controllers and the like are arranged in a mechanical room, and the walking part position domain controllers, the vehicle body position domain controllers and the like can be arranged according to the characteristics of a railway vehicle. A more complex cross-domain fusion algorithm is supported, expansion of intelligent driving, multi-energy collaboration and reconnection control is convenient to access, vehicle data sharing and inter-function collaboration control are achieved, evolution to electrification, electronization and intellectualization is easy, and a cloud and fog management and control-oriented platform can be further achieved.

The invention relates to the technical field of petrochemical cracking furnaces, in particular to a cracking method of an electrified cracking furnace and an electrified cracking device. The raw material flow is heated and then mixed with the diluted steam flow, the mixture is fed into a convection section of a cracking furnace to be overheated and then fed into a radiation section of the cracking furnace to be subjected to a cracking reaction to obtain cracked gas, the cracked gas is cooled by a quench cooler to obtain a product, and a rotating unit in the cracking method is driven by a motor; the steam pocket generates medium-pressure steam flow, and the medium-pressure steam flow is fed into the quench cooler to be subjected to heat exchange with cracking gas and then is fed into a medium-pressure steam pipe network. According to the technical scheme, a rotating unit of the cracking furnace is changed to be driven by the motor to rotate, so that the control is simpler. And the energy utilization efficiency is improved by changing the technological process and the connection mode of the cracking furnace.

The utility model relates to vacuum sealing machine technical field discloses a kind of heating wire protection device and vacuum sealing machine of vacuum sealing machine, device includes: ac interface end, microswitch, lid detection circuit, drive circuit, heating wire and control module.Microswitch is set on the lid of vacuum chamber, lid detection circuit is connected with microswitch, lid detection circuit is connected with control module;Drive circuit is connected with the output end of control module, and drive circuit is connected with ac interface end and heating wire respectively;Lid detection circuit exports open lid signal when determining the lid opening of vacuum chamber;Control module receives open lid signal, exports cut-off signal;Drive circuit receives cut-off signal, disconnects ac interface end and heating wire.Can avoid the risk of heating wire bare electrification, solve heating wire electrification problem;And based on the heating wire of alternating current power supply work, improve heating speed, improve sealing efficiency, greatly reduce equipment cost, reduce power loss and heat generation.

The utility model discloses a special-shaped wiring terminal strip of prevent mistaken plug, the utility model relates to electrical connection equipment technical field. This special-shaped wiring terminal strip of prevent mistaken plug contains the mounting base, the mounting base top is provided with the wiring post, the wiring post rear end is provided with a plurality of wiring interfaces, the wiring interface front is provided with the electrification column, the wiring interface is provided with the wiring connector inside, through set trapezoid slot, cambered surface slot, cross locating rib etc. Structure, can better cope with high density wiring and quick plug -pull demand, carry out positioning and limit to the plug from multiple dimensions, reduce mistaken plug risk greatly, improved the reliability of prevent mistaken plug, and can through electrification column and contact assembly with insulating layer, when wiring, will not default electrification, avoided the safety accident that causes because mistaken electrification in the wiring process, the safety in the operation process was enhanced significantly.

This invention provides a method and system for assessing the electrification potential of heavy-duty vehicles based on remote monitoring data. It utilizes trajectory time intervals, speed changes, and stopping behavior to segment the journey; and calculates fuel consumption, average speed, and NO based on data collected by high-precision sensors. x Emissions, as a crucial parameter for assessing electrification potential, are used to preserve the heterogeneity of cargo weight, driving behavior, and route selection across different freight tasks within the algorithm. A method is proposed to integrate multiple economic factors, including purchase costs, battery swapping infrastructure construction and operation expenses, fuel savings, carbon trading revenue, nitrogen oxide emission reduction subsidies, and detour time costs, into a unified measurement system. A four-dimensional state space—vehicle-time-route-battery—is established, leveraging a high-speed road network geographic information system to maximize the optimization potential of battery swapping detours while satisfying time window constraints. The model is transformed into a mixed-integer programming solution by using binary route selection variables and integer variables, providing strong support for electrification replacement.

The invention relates to an electrified highway optimization scheduling method based on a virtual power plant. The method comprises the following steps: constructing an electrified highway; constructing a virtual power plant system of the electrified road, and mapping power purchased by a power distribution network, renewable energy output, battery charging power and battery discharging power into a schedulable power unit; aiming at the virtual power plant system, establishing an optimization problem by taking the operation cost minimization as an objective function and taking the dynamic balance of the total power supply power and the total power utilization power as a constraint condition; and solving the optimization problem to obtain an optimal scheduling scheme of each time period. The method overcomes the limitation that an existing electrified road control scheme depends on static switching and lacks cooperation and marketization capability, and the energy utilization rate, the operation cost, the power supply reliability, the power grid flexibility, carbon emission reduction and other aspects of the electrified road are remarkably improved.

The invention discloses a new energy tractor with a hydraulic lifting drive, the front side of the new energy tractor is fixedly connected with a tractor power structure, and the power output end of the tractor power structure is connected with a hydraulic lifting drive assembly; the new energy tractor comprises a frame, a traction front axle arranged on the front side of the lower portion of the frame and a traction rear axle arranged on the rear side of the lower portion of the frame, a supporting plate is fixedly connected to the upper surface of the frame, and a lifting table is hinged to the middle section of the interior of the supporting plate. According to the new energy tractor, remarkable comprehensive benefits are achieved through multi-system collaborative design, the power structure of the tractor adopts a motor direct-drive gearbox and is integrated with a clutch, the advantage of electric zero emission is reserved, torque transmission stability is guaranteed through mechanical power switching, and the new energy tractor is adaptive to complex working conditions; the hydraulic lifting driving assembly innovatively utilizes the power takeoff to distribute power from the transmission shaft, can drive the hydraulic oil cylinder without additionally arranging an independent power source, and is compact in structure and low in energy consumption.

The utility model relates to the technical field of oil transfer stations of oil fields, in particular to a comprehensive energy-saving system of an oil transfer station of an oil field, which comprises a refrigerating machine, a heat pump, a natural gas dehumidifying and cooling device, a tail end cooler, a water-water heat exchanger, a flue gas waste heat recovery device and a plurality of matched pipelines, the refrigerating machine and the heat pump are arranged in the area, close to a water inlet pipeline of the heating furnace, in the station, the natural gas dehumidification and cooling device is arranged on a natural gas output pipeline, and the tail end coolers are arranged in a duty room and a pump room. Main waste heat resources in the oil transfer station of the oil field are fully recycled and used for preheating inlet liquid of a heating furnace, the overall energy management and control level in the oil transfer station is effectively improved, the production energy consumption of enterprises is reduced, the waste heat of wet natural gas and indoor air is recycled through an electrically-driven refrigerating machine, a heat pump and other equipment, the production gas consumption is remarkably reduced, and the production cost is reduced. And the electrification level in the station and the operation reliability of related equipment are improved, and the electrification process of the oil field production process is promoted.

The utility model provides a detection device, which comprises a main body and a connecting structure, and is characterized in that the main body is provided with a clamping space for clamping a to-be-detected part; the connecting structure is arranged on the main body, at least part of the connecting structure can be opposite to a target area of the clamping space, and the part, opposite to the target area, of the connecting structure is provided with a first connecting part; and when the clamping space clamps the to-be-detected piece, the second connecting part of the to-be-detected piece is correspondingly arranged in the target area and is electrically connected with the first connecting part, so that electrification and signal transmission can be performed between the first connecting part and the second connecting part.

The invention relates to a method and system for generating steam and electricity, comprising a first electrical heat production system (20) and a second heat and electricity production system (30) comprising: (a) a heat exchanger (32) connected to a water-supplied conduit (2), (b) a thermodynamic machine (33) producing hot gases circulating inside the heat exchanger (32) to transfer heat to the water circulating in the exchanger, (c) a thermal storage system (34) coupled to the circuit (330) of the thermodynamic machine (33), (d) a heating device (340) for the thermal storage system, and (e) an electrical generator (36) driven by a turbine of the thermodynamic machine. The heat required for the thermodynamic machine to operate and produce hot gases is supplied by the thermal storage system during its discharge phase. Figure 1.

This invention relates to a power generation device and method based on gas-liquid two-phase flow, comprising: a liquid container, a gas flow inlet, a liquid inlet, a dividing chamber, a reaction chamber, and a conductive electrode; the gas flow inlet is connected to the gas flow inlet of the dividing chamber; the liquid inlet has one end sealed to the liquid inlet of the dividing chamber and the other end connected to the solution to be reacted in the liquid container; in the dividing chamber, the gas flow entering through the gas flow inlet divides and atomizes the solution to be reacted entering through the liquid inlet, forming a gas-liquid two-phase flow; the reaction chamber is connected to the gas-liquid outlet of the dividing chamber, and the gas-liquid two-phase flow enters the reaction chamber through the gas-liquid outlet; in the reaction chamber, the gas-liquid two-phase flow undergoes a frictional electrification reaction with the inner wall of the reaction chamber, forming a charged electric-liquid two-phase flow; the conductive electrode is disposed at the outlet of the reaction chamber and is used to acquire the charge in the charged electric-liquid two-phase flow.

The invention discloses an electrified flexible source load adjustable potential evaluation method considering cold load characteristics, and particularly relates to the technical field of electric power system evaluation and control, and the method comprises the steps: S1, obtaining the environment and equipment parameters of a cold load monomer, S2, constructing an electric-thermal coupling refined model considering a comfort level elastic interval, and S3, constructing an electric-thermal coupling refined model considering a comfort level elastic interval; the method comprises the steps of S1, obtaining a plurality of monomers, S3, calculating the adjustable potential of the monomers and generating a constraint envelope line representing the dynamic attenuation characteristics of the monomers, S4, obtaining a regional cluster potential evaluation result through aggregation according to the spatial dimension and the time scale, and S5, uploading the result to a power grid dispatching system for security defense and intelligent dispatching of a power grid of 750 kilovolts and above. According to the method, accurate quantification and dynamic representation of the adjustable potential of the cooling load are realized, the blank of cognition of a large power grid on the distributed cooling load is filled, and the flexible resource utilization level and the operation safety of the power grid are remarkably improved.

The application discloses an electric boiler system without capacity expansion and a control method thereof. The electric boiler system without capacity expansion comprises a power monitor, a temperature sensor and an electric boiler. The power monitor is used for detecting real-time power of a user and sending the real-time power to the electric boiler; the temperature sensor is used for collecting real-time temperature of a room and sending the real-time temperature to the electric boiler; and the electric boiler is used for calculating maximum starting power allowed for starting of the electric boiler according to the real-time power of the power monitor and the real-time temperature of the temperature sensor and dynamically adjusting starting power of the electric boiler. The application can intelligently adjust the starting power of the electric boiler, dynamically adjusts the starting power of the electric boiler in combination with indoor temperature and set temperature, achieves the purpose of intelligent energy saving, solves the industry bottleneck, enables original projects that cannot use the electric boiler for heating to use the electric boiler for heating, improves user power safety, and adds a powerful guarantee for highly electrified life.

According to the ship stabilization system based on the electromagnetic actuators and the control method, the upper electromagnetic actuator, the lower electromagnetic actuator, the left electromagnetic actuator and the right electromagnetic actuator serve as executing mechanisms and are arranged on the upper portion, the lower portion, the left portion and the right portion of the central axis of a ship respectively. Rapid response in a full-wave period range is achieved, hydraulic oil or water tank liquid is not needed, a pure electrification scheme is adopted, energy consumption is low, occupied space is small, maintenance convenience is high, and an excellent stabilization effect is achieved; according to the method, actual current output values of the upper electromagnetic actuator, the lower electromagnetic actuator, the left electromagnetic actuator and the right electromagnetic actuator can be solved according to attitude signals collected by a ship, inherent parameters of the ship and a ship rolling kinetic equation, and the service life balance of the electromagnetic actuators and the reliable stabilization effect of the system are achieved. And the method is of great significance in improving the safety and comfort of the ship.

The present invention relates to a method for diagnosing an electrical power system (15) for an electrified vehicle comprising an energy storage system (1), a voltage bus (5) generated by the storage system (1) and an ePTO electrical charging socket interface (6), the method comprising determining electrical parameters in post-driving when high voltage systems are deactivated and when the external power load (7) connected to the interface (6) only is activated, then performing an electrical fault diagnosis comprising verifying an insulation fault criterion of the electrical circuit (17) of the interface (7) consisting of generating an insulation fault alert if a first insulation resistance value is greater than a first resistance threshold and if, at the same time, the second insulation resistance value is less than a second resistance threshold. Figure 1.

The utility model provides an electric ship, a power supply vehicle and a ship trailer electrified water transportation system, and relates to the technical field of electric ship power supply. The system comprises a traction rope, a power cable, a traction converter, a controller, a power supply rail and a power supply vehicle, the electric ship comprises a shipborne traction motor, and the traction converter is electrically connected with the shipborne traction motor; the output end of the controller is in communication connection with the control end of the traction converter; the power supply vehicle comprises a current collection module which is used for being electrically connected with the power supply rail. Wherein the electric power ship takes electricity from a current collection module of the power supply vehicle through a power cable, and the electric power ship is mechanically connected with the power supply vehicle through a traction rope; the controller is used for controlling the traction converter to perform frequency conversion and voltage transformation so as to regulate the speed of the shipborne traction motor to drive the electric ship and control the running speed of the electric ship; the electric ship is used for driving the power supply vehicle to operate synchronously through the traction rope during operation. The system has the advantages of eliminating pollution, improving efficiency, saving system cost and the like.