CN107867384A - 5000 tons of inland water transport marine electric propulsion systems - Google Patents

5000 tons of inland water transport marine electric propulsion systems Download PDF

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Publication number
CN107867384A
CN107867384A CN201711034874.9A CN201711034874A CN107867384A CN 107867384 A CN107867384 A CN 107867384A CN 201711034874 A CN201711034874 A CN 201711034874A CN 107867384 A CN107867384 A CN 107867384A
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CN
China
Prior art keywords
current transformer
propulsion
permanent
electric propulsion
tons
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Granted
Application number
CN201711034874.9A
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Chinese (zh)
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CN107867384B (en
Inventor
张利娟
王伟
高永军
李岩
李宝恩
盛怡
胡肖飞
张译文
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CRRC Yongji Electric Co Ltd
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CRRC Yongji Electric Co Ltd
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Priority to CN201711034874.9A priority Critical patent/CN107867384B/en
Publication of CN107867384A publication Critical patent/CN107867384A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H21/00Use of propulsion power plant or units on vessels
    • B63H21/12Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor

Abstract

The present invention relates to marine propulsion system, specially 5000 tons of inland water transport marine electric propulsion systems.Solves the defects of traditional Techniques for Marine Diesel Engine Propulsion Systems is present.5000 tons of inland water transport marine electric propulsion systems include two sets of electric propulsion systems, often cover electric propulsion system and drive a set of propeller respectively, and often covering electric propulsion system includes fuse FU, exchanges input reactance device L, input filter LC, promotes current transformer ZN(Containing control unit), permanent-magnet synchronous propulsion motor M and on-site control cabinet.The present invention is reasonable in design, unique, the defects of traditional Techniques for Marine Diesel Engine Propulsion Systems is present is overcome, suitable for the electric propulsion of 5000 tons of inland river cargo ships.

Description

5000 tons of inland water transport marine electric propulsion systems
Technical field
The present invention relates to marine propulsion system, specially 5000 tons of inland water transport marine electric propulsion systems.
Background technology
Inland river cargo ship is transported, traffic is close back and forth as the main conveyance on the river course of inland in fixed navigation channel Collection, from going to dock frequently, and to be diesel oil arbor directly drag propeller to traditional marine propuision system, in order that propeller is most Worked under good rotating speed, it is necessary to be furnished with reduction gear box.The advantages of system is that equipment is few, simple in construction, and shortcoming is that noise is big, row More, pollution weight is put, control of pulling in shore is inaccurate, and particularly for ship when low speed is run, Diesel Engine Fuel Economy is poor, and pollution is high, Discharge is big.
The content of the invention
The present invention solves the defects of traditional Techniques for Marine Diesel Engine Propulsion Systems is present, there is provided a kind of 5000 tons of inland river cargo ships Use electric propulsion system.
The present invention adopts the following technical scheme that realization:5000 tons of inland water transport marine electric propulsion systems, including two sets Electric propulsion system, often cover electric propulsion system and drive a set of propeller respectively, often covering electric propulsion system includes fuse FU, and exchange is defeated Enter reactor L, input filter LC, promote current transformer ZN(Containing control unit), permanent-magnet synchronous propulsion motor M and machine side are controlled Cabinet processed;The input voltage for often covering electric propulsion system is Ship Power Station AC690V AC-input voltages, is conveyed to by fuse FU Input reactance device L is exchanged, then after being filtered by input filter LC, gives and promotes current transformer ZN, promote current transformer ZN by whole Inversion, output exchange controllable voltage driving permanent-magnet synchronous propulsion motor M are flowed, permanent-magnet synchronous propulsion motor M axles drive spiral Oar rotates, so as to drive ship to advance;The exchange input 220V of on-site control cabinet is all from matching somebody with somebody for ship with input 380V is exchanged Electroplax, output exchange 380V is conveyed to respectively by two binding posts promotes current transformer ZN and permanent-magnet synchronous propulsion motor M (The cooling fan of permanent-magnet synchronous propulsion motor needs independent 380V Alternating Current Power Supplies), export alternating current 220V and give propulsion current transformer ZN;On-site control cabinet is provided with the Ethernet interface for being used for being connected with host computer, and on-site control cabinet is by controlling binding post with promoting Current transformer ZN connects with permanent-magnet synchronous propulsion motor M, and leaves the control line end for being connected with the room of driving;On-site control cabinet Communicated with promoting current transformer ZN to be realized by PROFIBUS buses;Current transformer ZN is promoted to promote electricity by control line and permanent-magnet synchronous Motivation M connections.
In use, the Ethernet interface of on-site control cabinet is connected with host computer, the control line end of on-site control cabinet is with driving room It is connected;On-site control cabinet realizes the 220V/380V distribution of propulsion system, meanwhile, on-site control cabinet is received from host computer or driven The instruction of room is controlled, by judging, after logic control, is sent to and promotes current transformer ZN, these instructions include " master control "(Upper Electrical key Switch)Step switch;" propulsion system startup/stopping "(Band lamp self-locking)Step switch;" emergent stopping "(Hand-reset)It is dynamic Make;" failure reset "(Restoration type)Step switch;" more control request "(Band lamp self-locking)Step switch;Main engine telegraph(There is provided and promote system System speed command)Controller;Remotely/local "(Band lamp self-locking)Control action switchs;" acceleration/deceleration "(Band lamp resets)Action Switch.
Promote current transformer ZN and permanent-magnet synchronous propulsion motor M by service data and fault-signal respectively by control line and PROFIBUS buses are sent to by on-site control, and on-site control cabinet is given by control line drives room, is given by Ethernet interface Host computer, realization drive room and host computer to service data, the display of running status and the alarm of failure, described service data Including permanent-magnet synchronous propulsion motor M three-phase voltages, three-phase current, bearing temperature, motor speed;Promote current transformer three-phase electricity Pressure, three-phase current, EAT.Running status shows that long-range/local control is shown including propulsion system startup/halted state, Propulsion system running status shows, resultant fault status display, acceleration/deceleration status display, propulsion electric machine fan operation state It has been shown that, more control running status and show;Propulsion system main power source obtains electric display, and control power supply obtains electric display, and power limit is shown.Therefore The alarm of barrier includes propulsion electric machine bearing temperature height, and winding temperature is high, and EAT is high;Promote main circuit grounding failure;Promote System overload;Promote current transformer EAT high, cooling system failure, resultant fault;Failure automatic stopping.
The present invention is reasonable in design, unique, overcomes the defects of traditional Techniques for Marine Diesel Engine Propulsion Systems is present, and is applicable In the electric propulsion of 5000 tons of inland river cargo ships.The present invention has following function:
(1)Filter function
Input reactance device L and wave filter LC is exchanged, is used as the isolation filter of motor and current transformer, ensures Current harmonic distortion rate THID <10%, voltage harmonic aberration rate THUD<5%, while resonance, output voltage stabilization does not occur with system.
(2)Propulsion/copped wave function
One propulsion current transformer controls a 360kW permanent-magnet synchronous propulsion electric machine, and control signal is provided by main forward controller, full Sufficient whole ship promotes, brakes, opening/stopping, by various operating conditions and control instruction requirements such as/leaving wharfs, and that realizes different operating modes can By operation, and ensure that the error of motor output torque is not more than 2%.When DC bus-bar voltage is higher than DC1050V, copped wave is opened Circuit, by braking resistor consumed energy, power cell is protected, when busbar voltage is less than DC1050V, copped wave disconnects.
(3)Defencive function
System has overvoltage protection, under-voltage protection, overcurrent protection, overtemperature protection, overspeed protection, break protecting.
(4)Display function
System is being equipped with display screen on cabinet by current transformer and machine, main display current transformer DC voltage on current transformer, output current, Data, the intake air temperatures such as output frequency, main contactor state, air-blower control contactor state, electric moter voltage, motor speed; Cabinet display screen mainly shows propulsion system startup/halted state, long-range/local state of a control, propulsion system operation shape by machine State, propulsion system resultant fault state, acceleration/deceleration state, propulsion electric machine fan operation state.
Brief description of the drawings
Fig. 1 is the integrated structure schematic diagram of the present invention;
Fig. 2 is the local circuit schematic diagram in Fig. 1.
Embodiment
5000 tons of inland water transport marine electric propulsion systems, including two sets of electric propulsion systems, often cover electric propulsion system and drive respectively A set of propeller is moved, often covering electric propulsion system includes fuse FU, exchanges input reactance device L, input filter LC, promotes unsteady flow Device ZN(Containing control unit), permanent-magnet synchronous propulsion motor M and on-site control cabinet;Often covering the input voltage of electric propulsion system is Ship Power Station AC690V AC-input voltages, exchange input reactance device L is conveyed to by fuse FU, then passes through input filter After LC filtering, give and promote current transformer ZN, promote current transformer ZN to pass through commutation inversion, output exchange controllable voltage driving permanent magnetism is same Propulsion motor M is walked, permanent-magnet synchronous propulsion motor M axles drive propeller rotational, so as to drive ship to advance;On-site control cabinet Exchange input 220V and exchange input 380V and is all from the panel of ship, output, which exchanges 380V and passes through two binding posts, to divide It is not conveyed to and promotes current transformer ZN and permanent-magnet synchronous propulsion motor M(The cooling fan of permanent-magnet synchronous propulsion motor needs independence 380V Alternating Current Power Supplies), output alternating current 220V, which is given, promotes current transformer ZN;On-site control cabinet, which is provided with, is used for what is be connected with host computer Ethernet interface, on-site control cabinet by control binding post with promote current transformer ZN and permanent-magnet synchronous propulsion motor M be connected, and Leave the control line end for being connected with the room of driving;On-site control cabinet leads to promoting current transformer ZN to be realized by PROFIBUS buses News;Current transformer ZN is promoted to be connected by control line with permanent-magnet synchronous propulsion motor M.When it is implemented, for ship layout It is overall to consider, fuse FU, exchange input reactance device L and input filter LC are placed on inside the cabinet for promoting current transformer. Promote to be equipped with current transformer ZN and be used to show current transformer DC voltage, output current, output frequency, main contactor state, blower fan Control contactor state, electric moter voltage, motor speed, the display screen of intake air temperature;It is equipped with on-site control cabinet and is used to show Propulsion system startup/halted state, long-range/local state of a control, propulsion system running status, propulsion system resultant fault shape State, acceleration/deceleration state, the display screen of permanent-magnet synchronous propulsion motor M fan operation states.On-site control cabinet panel is provided with For realizing jerk, startup, the button for resetting operation.
Fuse FU protects as the afterbody of propulsion system, when input current is more than its rated current 630A, melts Disconnected protection.There are the fuse of three-phase independence, one end connection three-phase alternating current input of each single item inside fuse FU, the other end connects Connect exchange input reactance device L input.
Exchange input reactance device L main purpose is to resist higher hamonic wave caused by frequency converter to power network transmission, reduces and becomes The interference of current harmonics distortion and higher hamonic wave to other components caused by frequency device, improve power grid quality, improve power because Count and limit the dash current in the unusual fluctuations and power network of line voltage, stabilize waveform, reducing infringement to frequency converter.L's Three-phase input end connection fuse FU one end, output end connection input filter LC three-phase input end.
Input filter LC major function is to reduce current transformer electromagnetic interference, suppresses EMI noise, improves EMC environment, suppression Common mode and DM EMI processed, improve system reliability;Prevent that caused electromagnetic interference enters power line, interference week to current transformer in itself The other electrical equipments enclosed, while can also prevent the interference on power line from entering equipment.LC three-phase input end connection exchange is defeated Enter reactor L three-phase output end, the three-phase input end of LC three-phase output end connection frequency converter.
Current transformer ZN internal structures are promoted to be known to the skilled person, and existing product, major control permanent magnetism are same Propulsion electric machine is walked, realizes the propulsion functions of ship, using AC permanent-magnet frequency-converting speed-governing control system, output characteristics meets that whole ship pushes away Enter, brake, opening/stopping, by the various operating conditions such as/leaving wharf and control instruction requirement, realizing the reliability service of different operating modes;It is main To be made up of cooling system, rectification unit, inversion unit, copped wave brake unit, intermediate DC link etc..Promote current transformer ZN's Three-phase input end is connected with input filter LC three-phase output end, and ZN three-phase output end U, V, W are connected with propulsion electric machine. Exchange 380V terminals are connected with the 380V terminals that exchange of on-site control cabinet, promote by current transformer ZN alternating current 220V terminal and machine The alternating current 220V terminal of switch board is connected, and promotes current transformer ZN external communication to be communicated using PROFIBUS, passes through PROFIBUS private cables and on-site control cabinet network connection, promote current transformer ZN copped wave braking terminal B1, B2 with it is external Braking resistor R both ends are connected.
Braking resistor R is the essential element for promoting current transformer ZN.The principle for promoting frequency converter ZN copped waves braking is to work as motor It is required that from rotating forward at a high speed(1000rpm)Rapid back to zero, then invert at a high speed(1000rpm), so as to realize whole ship braking when, copped wave need Devote oneself to work.When propulsion system middle dc voltage is less than DC1050V, copped wave does not work;During more than DC1050V, copped wave Circuit debugging, dynamic braking is realized by copped wave resistance R, when voltage is more than DC1150V, copped wave envelope pulse, be stopped, system Overvoltage protection.Braking resistor R both ends are respectively by terminal B1, and B2 is with promoting current transformer ZN to be connected.
Permanent-magnet synchronous propulsion motor M is totally-enclosed air-cooled structure, and with terminal box, binding post is shielding metal electricity Cable water joint, complete machine degree of protection are IP44.Rated power is 360kW(The overload capacity of motor is the 1.2 of rated power Times).Motor M input is with promoting current transformer ZN three-phase to export U, and V, W are connected, and motor M axle is connected by reduction box Starched to rudder, motor M exchange 380V(For the cooling blower power supply in it)Pass through the strength of one's legs of binding post and on-site control cabinet 380V is connected, and permanent-magnet synchronous propulsion motor M temperature signal and rotation varying signal pass through low-voltage cable and propulsion frequency converter ZN (Air plug)Connection(Current transformer ZN is promoted to be connected by control line with permanent-magnet synchronous propulsion motor M).

Claims (5)

1. a kind of 5000 tons of inland water transport marine electric propulsion systems, it is characterised in that including two sets of electric propulsion systems, often cover electricity and push away Enter system and drive a set of propeller respectively, often covering electric propulsion system includes fuse FU, exchanges input reactance device L, input filter Device LC, promote current transformer ZN, permanent-magnet synchronous propulsion motor M and on-site control cabinet;Often covering the input voltage of electric propulsion system is Ship Power Station AC690V AC-input voltages, exchange input reactance device L is conveyed to by fuse FU, then passes through input filter After LC filtering, give and promote current transformer ZN, promote current transformer ZN to pass through commutation inversion, output exchange controllable voltage driving permanent magnetism is same Propulsion motor M is walked, permanent-magnet synchronous propulsion motor M axles drive propeller rotational, so as to drive ship to advance;On-site control cabinet Exchange input 220V and exchange input 380V and is all from the panel of ship, output, which exchanges 380V and passes through two binding posts, to divide It is not conveyed to and promotes current transformer ZN and permanent-magnet synchronous propulsion motor M, output alternating current 220V, which is given, promotes current transformer ZN;Controlled by machine Cabinet processed, which is provided with, is used for the Ethernet interface that is connected with host computer, on-site control cabinet by control binding post and propulsion current transformer ZN and The M connections of permanent-magnet synchronous propulsion motor, and leave the control line end for being connected with the room of driving;On-site control cabinet is with promoting unsteady flow Device ZN is realized by PROFIBUS buses and communicated;Current transformer ZN is promoted to be connected by control line with permanent-magnet synchronous propulsion motor M.
2. 5000 tons of inland water transports marine electric propulsion system according to claim 1, it is characterised in that by fuse FU, hand over Stream input reactance device L and input filter LC is placed on inside the cabinet for promoting current transformer.
3. 5000 tons of inland water transports marine electric propulsion system according to claim 1 or 2, it is characterised in that promote current transformer It is equipped with ZN and is used to show current transformer DC voltage, output current, output frequency, main contactor state, air-blower control contactor State, electric moter voltage, motor speed, the display screen of intake air temperature;It is equipped with on-site control cabinet and is used to show that propulsion system opens Dynamic/halted state, long-range/local state of a control, propulsion system running status, propulsion system resultant fault state, acceleration/deceleration State, the display screen of permanent-magnet synchronous propulsion motor M fan operation states.
4. 5000 tons of inland water transports marine electric propulsion system according to claim 3, it is characterised in that on-site control cabinet face Plate, which is provided with, to be used for realizing jerk, startup, the button for resetting operation.
5. 5000 tons of inland water transports marine electric propulsion system according to claim 1 or 2, it is characterised in that permanent-magnet synchronous pushes away The temperature signal and rotation varying signal for entering motor M are connected by low-voltage cable with propulsion frequency converter ZN.
CN201711034874.9A 2017-10-28 2017-10-28 5000 tons of inland water transport marine electric propulsion systems Active CN107867384B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110893900A (en) * 2018-09-13 2020-03-20 中国船舶重工集团公司第七一一研究所 Ship electric propulsion system and ship
CN111130411A (en) * 2019-11-28 2020-05-08 沈阳工业大学 Device and method for improving synchronous control precision of double-shaft direct-drive platform servo system

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CN106253785A (en) * 2015-06-10 2016-12-21 劳斯莱斯股份有限公司 Synchronize the motor for electric propulsion system
CN106965916A (en) * 2017-03-23 2017-07-21 山西汾西重工有限责任公司 Ship direct current networking electric propulsion system based on magneto

Patent Citations (8)

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Publication number Priority date Publication date Assignee Title
CN1845847A (en) * 2003-09-02 2006-10-11 诺尔推进器公司 Propulsion system for ships
WO2008090175A1 (en) * 2007-01-24 2008-07-31 Siemens Aktiengesellschaft Electric direct current network for water vessels and for offshore units having increased shut-off security
CN201341109Y (en) * 2008-11-21 2009-11-04 上海电机学院 Frequency conversion cabinet for ship electric propulsion experiment system
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110893900A (en) * 2018-09-13 2020-03-20 中国船舶重工集团公司第七一一研究所 Ship electric propulsion system and ship
CN110893900B (en) * 2018-09-13 2021-06-25 中国船舶重工集团公司第七一一研究所 Ship electric propulsion system and ship
CN111130411A (en) * 2019-11-28 2020-05-08 沈阳工业大学 Device and method for improving synchronous control precision of double-shaft direct-drive platform servo system
CN111130411B (en) * 2019-11-28 2021-06-29 沈阳工业大学 Device and method for improving synchronous control precision of double-shaft direct-drive platform servo system

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