CN107867384B - 5000 tons of inland water transport marine electric propulsion systems - Google Patents
5000 tons of inland water transport marine electric propulsion systems Download PDFInfo
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- CN107867384B CN107867384B CN201711034874.9A CN201711034874A CN107867384B CN 107867384 B CN107867384 B CN 107867384B CN 201711034874 A CN201711034874 A CN 201711034874A CN 107867384 B CN107867384 B CN 107867384B
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- current transformer
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- electric propulsion
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The present invention relates to marine propulsion systems, specially 5000 tons of inland water transport marine electric propulsion systems.Solve defect existing for traditional Techniques for Marine Diesel Engine Propulsion Systems.5000 tons of inland water transport marine electric propulsion systems include two sets of electric propulsion systems, every set electric propulsion system respectively drives a set of propeller, every set electric propulsion system includes fuse FU, exchange input reactance device L, input filter LC, current transformer ZN(is promoted to contain control unit), permanent-magnet synchronous propulsion motor M and on-site control cabinet.Structure of the invention design is reasonable, unique, overcomes defect existing for traditional Techniques for Marine Diesel Engine Propulsion Systems, the electric propulsion suitable for 5000 tons of inland river cargo ships.
Description
Technical field
The present invention relates to marine propulsion systems, specially 5000 tons of inland water transport marine electric propulsion systems.
Background technique
Inland river cargo ship is transported, traffic is close back and forth as the main conveyance on the river of inland in fixed navigation channel
Collection, it is frequent from going to dock, and traditional marine propuision system is that diesel oil arbor directly drags propeller, in order to make propeller most
It works, is needed equipped with reduction gear box under good revolving speed.The advantages of system is that equipment is few, and structure is simple, the disadvantage is that noise is big, row
More, pollution weight to be put, pulls in shore to control inaccuracy, especially ship in low speed operation, Diesel Engine Fuel Economy is poor, and pollution is high,
Discharge is big.
Summary of the invention
The present invention solves defect existing for traditional Techniques for Marine Diesel Engine Propulsion Systems, provides a kind of 5000 tons of inland river cargo ships
Use electric propulsion system.
The present invention is achieved by the following technical scheme: 5000 tons of inland water transport marine electric propulsion systems, including two sets
Electric propulsion system, every set electric propulsion system respectively drive a set of propeller, and every set electric propulsion system includes fuse FU, exchange defeated
Enter reactor L, input filter LC, current transformer ZN(promoted to contain control unit), permanent-magnet synchronous propulsion motor M and the control of machine side
Cabinet processed；The input voltage of every set electric propulsion system is Ship Power Station AC690V AC-input voltage, 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 is flowed, output exchange controllable voltage drives permanent-magnet synchronous propulsion motor M, and permanent-magnet synchronous propulsion motor M axis drives spiral
Paddle rotation, so that ship be driven to advance；The exchange input 220V of on-site control cabinet is all from matching for ship with input 380V is exchanged
Battery plate, output exchange 380V is conveyed to respectively by two connecting terminals promotes current transformer ZN and permanent-magnet synchronous propulsion motor M
(cooling fan of permanent-magnet synchronous propulsion motor needs independent 380V Alternating Current Power Supply), output alternating current 220V give propulsion current transformer
ZN；On-site control cabinet is equipped with the Ethernet interface for being connected with host computer, and on-site control cabinet is by control connecting terminal and promotes
Current transformer ZN is connected with permanent-magnet synchronous propulsion motor M, and there are the control line ends for connecting with the room of driving；On-site control cabinet
It is communicated with promoting current transformer ZN to realize by PROFIBUS bus；Current transformer ZN is promoted to promote electricity by control line and permanent-magnet synchronous
Motivation M connection.
In use, the Ethernet interface of on-site control cabinet is connected with host computer, the control line end of on-site control cabinet and room is driven
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 is driven
The instruction for controlling room is sent to after judgement, logic control and promotes current transformer ZN, these instructions include " master control " (upper Electrical key
Switch) step switch；" propulsion system starting/stopping " (band lamp is self-locking) step switch；" emergent stopping " (hand-reset) is dynamic
Make；" failure reset " (restoration type) step switch；" more control request " (band lamp is self-locking) step switch；Main engine telegraph (provides and promotes system
System speed command) controller；Remotely/local " (band lamp is self-locking) control action switch；" acceleration/deceleration " (band lamp resets) movement
Switch.
Promote current transformer ZN and permanent-magnet synchronous propulsion motor M by operation data and fault-signal pass through respectively control line and
PROFIBUS bus is 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 the display of operation data, operating status and the alarm of failure, the operation data
Including permanent-magnet synchronous propulsion motor M three-phase voltage, three-phase current, bearing temperature, motor speed；Promote current transformer three-phase electricity
Pressure, three-phase current, inlet air temperature.Operating status includes that propulsion system starting/halted state is shown, long-range/local control display,
Propulsion system operating status shows, resultant fault status display, acceleration/deceleration status display, propulsion electric machine fan operation state
It has been shown that, more control operating status are shown；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 that propulsion electric machine bearing temperature is high, and winding temperature is high, and inlet air temperature is high；Promote main circuit grounding failure；It promotes
System overload；Promote current transformer inlet air temperature high, cooling system failure, resultant fault；Failure automatic stopping.
Structure of the invention design is reasonable, unique, overcomes defect existing for traditional Techniques for Marine Diesel Engine Propulsion Systems, is applicable in
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 filter LC is exchanged, the isolation filter of motor and current transformer is used as, guarantees 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 mentioned by main forward controller
For meeting whole ship and promoting, brake, opening/stopping, by the various operating conditions such as/leaving wharf and control instruction requirement, realize different operating conditions
Reliability service, and guarantee the error of motor output torque no more than 2%.It is open-minded when DC bus-bar voltage is higher than DC1050V
Chopper circuit consumes energy by braking resistor, protects power cell, and when busbar voltage is lower than DC1050V, copped wave is disconnected.
(3) defencive function
System has overvoltage protection, under-voltage protection, overcurrent protection, overheating protection, overspeed protection, break protecting.
(4) display function
System is equipped with display screen by the current transformer and machine on cabinet, current transformer DC voltage, output are mainly shown on current transformer
The data, air inlet such as electric current, output frequency, main contactor state, air-blower control contactor state, electric moter voltage, motor speed
Temperature；Cabinet display screen mainly shows propulsion system starting/halted state by machine, long-range/local state of a control, propulsion system fortune
Row state, propulsion system resultant fault state, acceleration/deceleration state, propulsion electric machine fan operation state.
Detailed description of the invention
Fig. 1 is integrated structure schematic diagram of the invention；
Fig. 2 is the local circuit schematic diagram in Fig. 1.
Specific embodiment
5000 tons of inland water transport marine electric propulsion systems, including two sets of electric propulsion systems, every set electric propulsion system drive respectively
A set of propeller is moved, every set electric propulsion system includes fuse FU, exchanges input reactance device L, input filter LC, promotes unsteady flow
Device ZN(contains control unit), permanent-magnet synchronous propulsion motor M and on-site control cabinet；The input voltage of every set electric propulsion system is
Ship Power Station AC690V AC-input voltage is conveyed to exchange input reactance device L by fuse FU, then passes through input filter
It after LC filtering, gives and promotes current transformer ZN, current transformer ZN is promoted 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 axis drives propeller rotational, so that ship be driven to advance；On-site control cabinet
Exchange input 220V and exchange input 380V and is all from the panel of ship, output exchange 380V passes through two connecting terminals and divides
It is not conveyed to and the cooling fan of current transformer ZN and permanent-magnet synchronous propulsion motor M(permanent-magnet synchronous propulsion motor is promoted to need independence
380V Alternating Current Power Supply), output alternating current 220V give promote current transformer ZN；On-site control cabinet is equipped with for being connected with host computer
Ethernet interface, on-site control cabinet are connect by control connecting terminal with current transformer ZN and permanent-magnet synchronous propulsion motor M is promoted, and
There are the control line ends for connecting with the room of driving；On-site control cabinet and propulsion current transformer ZN are realized logical by PROFIBUS bus
News；Current transformer ZN is promoted to connect by control line with permanent-magnet synchronous propulsion motor M.When it is implemented, for ship layout
It is whole to consider, by fuse FU, exchanges input reactance device L and input filter LC and be placed on the interior of the cabinet for promoting current transformer.
It promotes on current transformer ZN equipped with for showing current transformer DC voltage, output electric current, output frequency, main contactor state, blower
Control contactor state, electric moter voltage, motor speed, intake air temperature display screen；Equipped with for showing on on-site control cabinet
Propulsion system starting/halted state, long-range/local state of a control, propulsion system operating status, propulsion system resultant fault shape
State, acceleration/deceleration state, the display screen of permanent-magnet synchronous propulsion motor M fan operation state.On-site control cabinet panel is equipped with
For realizing emergency stop, starting, the button for resetting operation.
Fuse FU is protected as the afterbody of propulsion system, when input current is greater than its rated current 630A, is melted
Disconnected protection.There is the independent fuse of three-phase inside fuse FU, one end of each single item connects three-phase alternating current input terminal, and the other end connects
Connect the input terminal of exchange input reactance device L.
The main purpose of exchange input reactance device L is to resist the higher hamonic wave that frequency converter generates to transmit to power grid, reduces and becomes
The current harmonics distortion and interference of the higher hamonic wave to other components that frequency device generates, improve power grid quality, improve power because
The dash current in the unusual fluctuations and power grid of network voltage is counted and limited, waveform is stabilized, reduces the damage to frequency converter.L's
Three-phase input end connects one end of fuse FU, and output end connects the three-phase input end of input filter LC.
The major function of input filter LC is to reduce current transformer electromagnetic interference, inhibits EMI noise, improves EMC environment, suppression
Common mode and DM EMI processed improve system reliability；The electromagnetic interference for preventing current transformer itself from generating enters power supply line, interference week
The other electrical equipments enclosed, while can also prevent the interference on power supply line from entering equipment.The three-phase input end connection exchange of LC is defeated
Enter the three-phase output end of reactor L, the three-phase input end of the three-phase output end connection frequency converter of LC.
Propulsion current transformer ZN internal structure is known to the skilled person and existing product, and main control permanent magnetism is 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 whole ship and pushes away
Into, brake, open/stop, by various operating conditions and control instruction requirements such as/leaving wharfs, realize the reliability service of different operating conditions；It is main
It to be made 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 the three-phase output end of input filter LC, and the three-phase output end U of ZN, V, W are connect with propulsion electric machine.
Exchange 380V terminal is connected with the 380V terminal that exchanges of on-site control cabinet, promotes by the alternating current 220V terminal and machine of current transformer ZN
The alternating current 220V terminal of control cabinet is connected, and promotes the external communication of current transformer ZN to communicate using PROFIBUS, passes through
PROFIBUS private cable and on-site control cabinet are connected to the network, and the copped wave of current transformer ZN is promoted to brake terminal B1, B2 and external
The both ends of braking resistor R are connected.
Braking resistor R is the essential element for promoting current transformer ZN.The principle for promoting frequency converter ZN copped wave braking is to work as motor
It is required that returning to zero rapidly from high speed (1000rpm) is rotated forward, then high speed (1000rpm) is inverted, so that copped wave needs when realizing whole ship braking
It devotes oneself to work.When propulsion system middle dc voltage is lower than DC1050V, copped wave does not work；When more than DC1050V, copped wave
Circuit debugging realizes dynamic braking by copped wave resistance R, and when voltage is more than DC1150V, pulse is sealed in copped wave, stops working, system
Overvoltage protection.The both ends of braking resistor R pass through terminal B1 respectively, and B2 is connect with current transformer ZN is promoted.
Permanent-magnet synchronous propulsion motor M is totally-enclosed air-cooled structure, has terminal box, and connecting terminal is shielding metal electricity
Cable waterproof connector, complete machine degree of protection are IP44.Rated power is that the overload capacity of 360kW(motor is the 1.2 of rated power
Times).The input terminal of motor M and the three-phase of propulsion current transformer ZN export U, and V, W are connected, and the axis of motor M passes through reduction gearbox and connects
Starched to rudder, the exchange 380V(of motor M is the cooling blower power supply in it) by the strength of one's legs of connecting terminal and on-site control cabinet
380V is connected, and the temperature signal and rotation varying signal of permanent-magnet synchronous propulsion motor M by low-voltage cable and promotes frequency converter ZN
(air plug) connection (i.e. propulsion current transformer ZN is connect 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, including two sets of electric propulsion systems, every set electric propulsion system difference
Drive a set of propeller, it is characterised in that every set electric propulsion system includes fuse FU, exchanges input reactance device L, input filter
Device LC promotes current transformer ZN, permanent-magnet synchronous propulsion motor M and on-site control cabinet；The input voltage of every set electric propulsion system is
Ship Power Station AC690V AC-input voltage is conveyed to exchange input reactance device L by fuse FU, then passes through input filter
It after LC filtering, gives and promotes current transformer ZN, current transformer ZN is promoted 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 axis drives propeller rotational, so that ship be driven to advance；On-site control cabinet
Exchange input 220V and exchange input 380V and is all from the panel of ship, output exchange 380V passes through two connecting terminals and divides
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；Control by machine
Cabinet processed is equipped with Ethernet interface for being connected with host computer, on-site control cabinet by control connecting terminal and propulsion current transformer ZN and
The M connection of permanent-magnet synchronous propulsion motor, and there are the control line ends for connecting with the room of driving；On-site control cabinet and propulsion unsteady flow
Device ZN realizes communication by PROFIBUS bus；Current transformer ZN is promoted to connect 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 the interior of 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
Equipped with for showing current transformer DC voltage, output electric current, output frequency, main contactor state, air-blower control contactor on ZN
State, electric moter voltage, motor speed, intake air temperature display screen；Equipped with for showing that propulsion system opens on on-site control cabinet
Dynamic/halted state, long-range/local state of a control, propulsion system operating status, propulsion system resultant fault state, acceleration/deceleration
State, the display screen of permanent-magnet synchronous propulsion motor M fan operation state.
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 equipped with, is used to realize emergency stop, starting, 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
Temperature signal and rotation varying signal into motor M are connect by low-voltage cable with frequency converter ZN is promoted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711034874.9A CN107867384B (en) | 2017-10-28 | 2017-10-28 | 5000 tons of inland water transport marine electric propulsion systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711034874.9A CN107867384B (en) | 2017-10-28 | 2017-10-28 | 5000 tons of inland water transport marine electric propulsion systems |
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| Publication Number | Publication Date |
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| CN107867384A CN107867384A (en) | 2018-04-03 |
| CN107867384B true CN107867384B (en) | 2019-07-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| CN114291244A (en) * | 2021-12-20 | 2022-04-08 | 西安中车永电电气有限公司 | Pure electric ship stern propulsion device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| NO20033876A (en) * | 2003-09-02 | 2005-02-21 | Norpropeller As | Drive system for ships |
| DE102007004528B3 (en) * | 2007-01-24 | 2008-08-07 | Siemens Ag | Electric DC network for watercraft and offshore installations with increased shutdown safety |
| CN201341109Y (en) * | 2008-11-21 | 2009-11-04 | 上海电机学院 | Frequency conversion cabinet for ship electric propulsion experiment system |
| JP2010241194A (en) * | 2009-04-02 | 2010-10-28 | Tokyo Univ Of Marine Science & Technology | Electric propulsion system for marine vessel |
| CN102145743A (en) * | 2011-03-07 | 2011-08-10 | 上海海事大学 | Ship electric propulsion system with fuel cell and application method thereof |
| CN104210637B (en) * | 2014-09-26 | 2016-10-19 | 永济新时速电机电器有限责任公司 | A kind of Electrical Propulsion Ship current transformer control unit |
| CA2932101C (en) * | 2015-06-10 | 2023-10-03 | Rolls-Royce Corporation | Synchronizing motors for an 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 |
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