CN107867384A - 5000 tons of inland water transport marine electric propulsion systems - Google Patents
5000 tons of inland water transport marine electric propulsion systems Download PDFInfo
- 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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- China
- Prior art keywords
- current transformer
- propulsion
- permanent
- electric propulsion
- tons
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements 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
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.
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CN201711034874.9A CN107867384B (en) | 2017-10-28 | 2017-10-28 | 5000 tons of inland water transport marine electric propulsion systems |
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CN201711034874.9A CN107867384B (en) | 2017-10-28 | 2017-10-28 | 5000 tons of inland water transport marine electric propulsion systems |
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CN107867384B CN107867384B (en) | 2019-07-26 |
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Cited By (2)
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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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 |
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Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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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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