CN207339267U - A kind of boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator - Google Patents
A kind of boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator Download PDFInfo
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- CN207339267U CN207339267U CN201721171455.5U CN201721171455U CN207339267U CN 207339267 U CN207339267 U CN 207339267U CN 201721171455 U CN201721171455 U CN 201721171455U CN 207339267 U CN207339267 U CN 207339267U
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Abstract
The utility model discloses a kind of boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator, including：High voltage shore power power supply, boat-carrying bank electricity system, shaft generator unit, constant frequency and constant voltage device, axle generator paralleling panel, bank electricity paralleling panel, main distribution board and marine generator.Compared with the prior art, the beneficial effects of the utility model are：The input cost of quay side bank electricity device can not only be reduced, at the same can also reduce marine vessel power equipment input cost and weight of equipment and further expand ship using space.
Description
Technical field
It the utility model is related to the boat-carrying bank electricity power supply technique field with constant frequency and constant voltage axle generator, more particularly to one
Boat-carrying bank electricity power supply unit of the kind based on constant frequency and constant voltage axle generator.
Background technology
Bank electricity variable-frequency power sources is to export the alternating current in alternating current for pure sine wave by conversion, output frequency and
It is adjustable in voltage a certain range, the device of specific frequency and voltage is provided for the ship ship that reaches port, the device to ship power when, be with
Boat-carrying generator is grid-connected in advance, then the load of boat-carrying generator could be transferred to bank electricity variable-frequency power sources.The bank electricity facility is
New technique, most harbours are to be configured as standard facility in construction formula.If installed additional in the later stage,
Cost is huge.
Boat-carrying bank electricity system, reach port cable plug of the ship by boat-carrying cable reel, is connected to harbour junction box's interpolation
Seat, power supply is transported on ship.High-voltage electricity is fed to transformer by boat-carrying high pressure inlet-outlet line cabinet, transformer by high-voltage electricity be reduced to
Ship Power Station electricity makes consistent low tension, switchs to ship main busbar and feeds through low-voltage cable and bank electricity and car owner, for ship
Used during reaching port.
Boat-carrying shaft generator system, is made of common synchronous generator for ships and constant frequency and constant voltage switch board.The system
The ship electric energy of constant frequency and constant voltage is rationally converted into using host dump power.Restrike not increasing host in the case of oil consumption,
Save light diesel fuel consumption and reduce exhaust emissions.Ship controls axle generator system by axle generator paralleling panel under sail
It is grid-connected between system and main generator group, navigation cost is reduced, improves cabin air environment, reduce the noise of cabin, it is comprehensive
Benefit is greatly improved and improves.
Main propulsion plant math model drives the rotation of brushless excitation synchronization axle generator, and generator sends sinusoidal ac, hands over
The frequency and voltage of galvanic electricity all change with promoting mainly into the change of engine speed, therefore this power supply cannot directly feed ship
Use.Axle generator constant frequency and constant voltage switch board is that such a variable-frequency variable-voltage power supply is first passed through PFC active rectifications, becomes electricity
Stable DC is pressed, and the power factor of generator is obtained maximum power transfer close to 1.After PFC rectifications
Generator voltage, then the SPWM sinusoidal modulation waves of permanent fundamental wave are transformed into through three-phase bridge SPWM inverter modules, then through LCL sine waves
Wave filter filters out carrier wave, exports three phase sine alternating current.The frequency and voltage magnitude of the three-phase alternating current of output, can be according to having
Work(and idle demand trace regulation.Switch board have perfect overvoltage, under-voltage, overfrequency, under-frequency, overload, overcurrent,
The alarm and protection of short circuit, can be controlled cabinet condition monitoring, and have long-range emergency stop work(by remote touch screen (man-machine interface)
Energy.
Due to the difference of various countries' harbour and ship, when the ship and harbour bank electricity system of different electricity systems are attached, it is necessary to
Electricity system conversion is carried out by the bank electricity variable-frequency power sources of harbour side.This requires installation frequency-converting power supply is needed in terms of harbour；Ship
Aspect needs installation boat-carrying bank electricity system and bank electricity paralleling panel.On the ship for having constant frequency and constant voltage axle generator, also need
Axle generator paralleling panel.It is bound to cause cost and the space of harbour and ship equipment.
Chinese patent CN106160006A discloses a kind of ship bank base conversion power supply system automatic synchronizing paralleling technology, belongs to
In ship shore electric control field.Bank electricity electric power system has connected the electric system on ship with power grid on the bank by cable
Come, the grid-connected of both sides must reach certain condition, i.e. voltage, frequency and phase is consistent, and otherwise bank electricity can be caused to power
The over current fault of system, causes grid-connected failure, it is impossible to realizes the seamless switching of ship power supply.Ship possessed by the patent can profit
It is limited with space.
Utility model content
In view of the drawbacks described above of the prior art, technical problem to be solved in the utility model is to provide a kind of based on perseverance
The boat-carrying bank electricity power supply unit of frequency constant pressure axle generator.
In order to achieve the above object, the purpose of this utility model is achieved through the following technical solutions：
A kind of boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator is provided, including：
Boat-carrying bank electricity system, including boat-carrying cable reel, boat-carrying high pressure inlet-outlet line cabinet, bank electricity transformer, low-voltage cable, bank
Electricity and car owner switch to be connected in exterior harbour junction box with ship main busbar, the ship that reaches port by the boat-carrying cable reel
High-voltage electricity is fed to the transformer by socket, the boat-carrying high pressure inlet-outlet line cabinet, and high-voltage electricity is reduced to by the bank electricity transformer
Consistent low tension is made with exterior Ship Power Station electricity, is switched through the low-voltage cable and the bank electricity and car owner to the main confluence of ship
Row's feed；
High voltage shore power power supply, for providing power transformer, the input terminal of the high voltage shore power power supply and the input terminal of public network
Connect, the output terminal of the high voltage shore power power supply connects with the boat-carrying bank electricity system；
Shaft generator unit, to the power system power supply of full ship；The outlet switch of the shaft generator unit is the same as the ship
The outlet switch for carrying bank electricity system mutually interlocks；
Constant frequency and constant voltage device, the unstable alternating current that the axle generator is exported export surely after commutation inversion
Fixed three-phase alternating current, output terminal and the axle generator and the constant frequency and constant voltage device of the boat-carrying bank electricity system input
Connect；
Axle generator paralleling panel, network of ship operation is incorporated to control and manipulate the shaft generator unit input,
The output terminal of the constant frequency and constant voltage device connects with the input terminal of the axle generator paralleling panel；
Bank electricity paralleling panel, network of ship operation is incorporated to control and manipulate bank electricity input；
Main distribution board, control ship main power source electric power and to ship normal operation and live when all electrical equipments into
Row distribution, the output terminal of the axle generator paralleling panel connect with main distribution board busbar；And
Marine generator, is the main power source device of ship normal operation.
The above-mentioned boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator, wherein, the shaft generator unit tool
There is incoming line cabinet, the incoming line cabinet of the boat-carrying high pressure inlet-outlet line cabinet and the shaft generator unit interlocks.
The above-mentioned boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator, wherein, further include and circuit is led to
The switching device and control device component of disconnected monitoring, control and protection.
Compared with the prior art, the beneficial effects of the utility model are：
The input cost of quay side bank electricity device can not only be reduced, while the input of marine vessel power equipment can also be reduced
Cost and weight of equipment and further expand ship using space.
Brief description of the drawings
Make furtherly below with reference to the technique effect of design of the attached drawing to the utility model, concrete structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect：
Fig. 1 a be the utility model bank electricity electricity be made as 50Hz, former ship shaft generator system electricity be made as 60Hz device knot
Structure schematic block diagram；
Fig. 1 b be the utility model bank electricity electricity be made as 50Hz, former ship shaft generator system electricity be made as 50Hz device knot
Structure schematic block diagram；
Fig. 1 c be the utility model bank electricity electricity be made as 60Hz, former ship shaft generator system electricity be made as 60Hz device knot
Structure schematic block diagram；
Fig. 1 d be the utility model bank electricity electricity be made as 60Hz, former ship shaft generator system electricity be made as 50Hz device knot
Structure schematic block diagram；
Fig. 2 a are that bank electricity electricity is made as 50Hz, former ship axis band when the utility model original ship shaft generator system uses low tension
Generator system electricity is made as the apparatus structure schematic diagram of 60Hz；
Fig. 2 b are that bank electricity electricity is made as 50Hz, former ship axis band when the utility model original ship shaft generator system uses low tension
Generator system electricity is made as the apparatus structure schematic diagram of 50Hz；
Fig. 2 c are that bank electricity electricity is made as 60Hz, former ship axis band when the utility model original ship shaft generator system uses low tension
Generator system electricity is made as the apparatus structure schematic diagram of 60Hz；
Fig. 2 d are that bank electricity electricity is made as 60Hz, former ship axis band when the utility model original ship shaft generator system uses low tension
Generator system electricity is made as the apparatus structure schematic diagram of 50Hz；
Fig. 3 a are that bank electricity electricity is made as 50Hz, former ship when the utility model original ship shaft generator system uses high-tension system
Shaft generator system electricity is made as the structure diagram of the device of 60Hz；
Fig. 3 b are that bank electricity electricity is made as 60Hz, former ship when the utility model original ship shaft generator system uses high-tension system
Shaft generator system electricity is made as the structure diagram of the device of 60Hz.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained, shall fall within the protection scope of the present invention.
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
With reference to shown in figure 1a, Fig. 1 b, Fig. 1 c, Fig. 1 d, Fig. 2 a, Fig. 2 b, Fig. 2 c, Fig. 2 d, Fig. 3 a and Fig. 3 b, the utility model
Boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator, including：
Boat-carrying bank electricity system 1, including boat-carrying cable reel, boat-carrying high pressure inlet-outlet line cabinet, bank electricity transformer, low-voltage cable,
Bank electricity and car owner switch carries cable plug with ship main busbar, boat-carrying cable reel, and the ship that reaches port passes through boat-carrying coil of cable
The cable plug of car is connected to exterior harbour junction box interpolation block, and high-voltage electricity is fed to transformer by boat-carrying high pressure inlet-outlet line cabinet,
High-voltage electricity is reduced to and makes consistent low tension with exterior Ship Power Station electricity by bank electricity transformer, is opened through low-voltage cable and bank electricity and car owner
Close and fed to ship main busbar, used during reaching port for ship；
High voltage shore power power supply, for providing high voltage shore power, the input terminal of high voltage shore power power supply connects with the input terminal of public network,
The output terminal of power supply connects with boat-carrying bank electricity system；
Shaft generator unit 2, Ship Shaft Generator System abbreviation axis hair system or axis machine system, are by host driven ship
Oceangoing ship generator, is achieveed the purpose that energy saving using host affluence power.In ship normal/cruise using shaft generator device to
The power system power supply of full ship, is a kind of energy saving effective way.Ship axle generator can not only utilize marine main engine
Allowance power generation, reduces shipping transport cost.
Constant frequency and constant voltage device 3, stabilization is exported by the unstable alternating current that axle generator exports after commutation inversion
Three-phase alternating current, the output terminal of boat-carrying bank electricity system connects with axle generator and the input of constant frequency and constant voltage device；
Axle generator paralleling panel 4, network of ship operation, constant frequency are incorporated to control with control lever shaft band generating set input
The output terminal of constant-voltage equipment connects with the input terminal of axle generator paralleling panel；
Bank electricity paralleling panel, network of ship operation is incorporated to control and manipulate bank electricity input；
Main distribution board 5, controls the electric power of ship main power source and to ship normal operation and all electrical equipments when living
Distribution is carried out, the output terminal of axle generator paralleling panel connects with main distribution board busbar；And
Marine generator 6, is the main power source device of ship normal operation.
In the technical program, shaft generator unit has incoming line cabinet, and the boat-carrying high pressure inlet-outlet line cabinet is sent out with the axis band
The incoming line cabinet interlocking of motor group.The present apparatus further includes switching device and the control that break-make monitoring, control and protection are carried out to circuit
Device assembly.
During work, 1) start bank base transformer, high pressure power frequency electric is down to standard bank electricity voltage, is switched by output by electricity
Power is sent to harbour shore connection box；2) boat-carrying bank electricity system, boat-carrying bank electricity volume car cable plug insertion harbour shore connection box, will
Bank electricity is input to bank electricity incoming line cabinet (low tension ship, need to pass through step-down transformer)；3) bank electricity incoming line cabinet is defeated by power frequency electric system
Enter to axle generator constant frequency and constant voltage device.Bank electricity incoming line cabinet is mutually interlocked with axle generator incoming line cabinet；4) power frequency bank electricity passes through
Axle generator constant frequency and constant voltage device is converted to the stabilized power source for being adapted to ship electricity system；5) control axle generator paralleling panel will
Bank electricity carries out grid-connected with Ship Electrical Power System；6) ship main generator is out of service, and ship fully relies on bank electricity and maintains electric power to supply
Should.As former ship shaft generator system electricity is made as 60Hz, bank electricity electricity is made as 50Hz, the 50Hz electric power come from bank side, permanent through constant frequency
Pressure system is converted to the 60Hz electricity systems identical with network of ship；As former ship shaft generator system electricity is made as 50Hz, bank electricity electricity system
For 60Hz, the 60Hz electric power come from bank side, is converted to the 50Hz electricity identical with network of ship through constant frequency and constant voltage system and makes；Such as former ship
Shaft generator system electricity is made as 50Hz, and bank electricity electricity is made as 50Hz, and boat-carrying bank electricity system will extend over constant frequency and constant voltage device, direct axis
Input terminal with generator paralleling panel connects；As former ship shaft generator system electricity is made as 60Hz, bank electricity electricity is made as 60Hz, boat-carrying
Bank electricity system will extend over constant frequency and constant voltage device, and the input terminal of direct axle generator paralleling panel connects.
From above-described embodiment as can be seen that the advantage of the utility model is：
The input cost of quay side bank electricity device can not only be reduced, while the input of marine vessel power equipment can also be reduced
Cost and weight of equipment and further expand ship using space.
Specific embodiment of the utility model is described in detail above, but the utility model is not restricted to the above
The specific embodiment of description, it is intended only as example.To those skilled in the art, any equivalent modifications and substitute also all
Among the category of the utility model.Therefore, impartial conversion made under the spirit and scope for not departing from the utility model
And modification, it should all cover in the scope of the utility model.
Claims (3)
- A kind of 1. boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator, it is characterised in that including：Boat-carrying bank electricity system, including boat-carrying cable reel, boat-carrying high pressure inlet-outlet line cabinet, bank electricity transformer, low-voltage cable, bank electricity are simultaneously Car owner switchs and ship main busbar, the ship that reaches port are connected to exterior harbour junction box interpolation by the boat-carrying cable reel High-voltage electricity is fed to the transformer by seat, the boat-carrying high pressure inlet-outlet line cabinet, the bank electricity transformer by high-voltage electricity be reduced to Exterior Ship Power Station electricity makes consistent low tension, is switched through the low-voltage cable and the bank electricity and car owner to ship main busbar Feed；High voltage shore power power supply, for providing power transformer, the input terminal of the high voltage shore power power supply connects with the input terminal of public network, The output terminal of the high voltage shore power power supply connects with the boat-carrying bank electricity system；Shaft generator unit, to the power system power supply of full ship；The outlet switch of the shaft generator unit is the same as the boat-carrying bank The outlet switch of electric system mutually interlocks；Constant frequency and constant voltage device, the unstable alternating current that the axle generator is exported export stabilization after commutation inversion Three-phase alternating current, output terminal and the axle generator and the constant frequency and constant voltage device the input phase of the boat-carrying bank electricity system Connect；Axle generator paralleling panel, network of ship operation is incorporated to control and manipulate the shaft generator unit input, described The output terminal of constant frequency and constant voltage device connects with the input terminal of the axle generator paralleling panel；Bank electricity paralleling panel, network of ship operation is incorporated to control and manipulate bank electricity input；Main distribution board, controls the electric power of ship main power source and ship normal operation and all electrical equipments when living is matched somebody with somebody Electricity, the output terminal of the axle generator paralleling panel connect with main distribution board busbar；AndMarine generator, is the main power source device of ship normal operation.
- 2. the boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator according to claim 1, it is characterised in that institute Stating shaft generator unit has incoming line cabinet, and the incoming line cabinet of the boat-carrying high pressure inlet-outlet line cabinet and the shaft generator unit interlocks.
- 3. the boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator according to claim 1, it is characterised in that also Switching device and control device component including carrying out break-make monitoring, control and protection to circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171455.5U CN207339267U (en) | 2017-09-13 | 2017-09-13 | A kind of boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171455.5U CN207339267U (en) | 2017-09-13 | 2017-09-13 | A kind of boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator |
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| Publication Number | Publication Date |
|---|---|
| CN207339267U true CN207339267U (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721171455.5U Active CN207339267U (en) | 2017-09-13 | 2017-09-13 | A kind of boat-carrying bank electricity power supply unit based on constant frequency and constant voltage axle generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339267U (en) |
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2017
- 2017-09-13 CN CN201721171455.5U patent/CN207339267U/en active Active
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