CN206218184U - Ship direct current networking electric propulsion system - Google Patents
Ship direct current networking electric propulsion system Download PDFInfo
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- CN206218184U CN206218184U CN201621326228.0U CN201621326228U CN206218184U CN 206218184 U CN206218184 U CN 206218184U CN 201621326228 U CN201621326228 U CN 201621326228U CN 206218184 U CN206218184 U CN 206218184U
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- ship
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- diesel engine
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- 230000006855 networking Effects 0.000 title claims abstract description 17
- 239000002283 diesel fuel Substances 0.000 claims description 4
- 239000000295 fuel oil Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005417 food ingredient Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 235000013324 preserved food Nutrition 0.000 description 1
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- Control Of Eletrric Generators (AREA)
Abstract
The utility model discloses a kind of ship direct current networking electric propulsion system, solve the problems, such as that the diesel engine that existing exchange networking electric propulsion system is present can not operate in optimal power efficiency point.First diesel engine（1）With the first asynchronous generator（2）Connection, the first asynchronous generator（2）By the first diesel generating set rectifier（3）With common DC bus（14）Connection；Second diesel engine（6）With the second asynchronous generator（7）Connection, the second asynchronous generator（7）By the second diesel generating set rectifier（8）With common DC bus（14）Link together；In common DC bus（14）On be connected to main propulsion motor inverter（4）With side propulsion electric machine inverter（9）, main propulsion motor inverter（4）With main propulsion motor（5）Link together.When load changes, diesel generating set can be flexibly combined, each diesel generating set is operated in optimal power efficiency point.
Description
Technical field
The utility model is related to a kind of ship power propulsion system, more particularly to a kind of based on ship direct current networking technology
Electric propulsion system.
Background technology
In engineering ship and some special boats, propulsion system is usually as prime mover, diesel engine using diesel engine
Direct drive marine propeller promotes vessel motion, and its propulsion system is made up of diesel engine, decelerator and propeller.Diesel oil
Together with the main shaft of machine is directly connected to propeller shaft, there is shafting and take up room greatly, the strong problem of vibrating noise.Especially
It is that diesel engine can not rapidly follow change, cause diesel engine operating condition poor, fuel consumption when ship load is varied widely
Defect high.The sharpest edges of this scheme are equipment costs than less expensive.In order to save marine shafting arrangement space, improve
Marine electrical equipment drives response speed and controllability, have developed ship exchange networking electric propulsion system, i.e. diesel engine drives
Synchronous generator generates electricity, and the constant frequency and constant voltage alternating current of generation carries out exchange networking, the friendship after exchange networking by alternating-current distribution panel
By after ac-dc-ac frequency converter, driving ship propulsion motor work, propulsion motor drives Ship Propeling to stream voltage again
Device promotes vessel motion.When ship load changes, because synchronous generator has output with frequency with pressure alternating constant electricity
The characteristics of pressure, the change of bearing power can only be adapted to by way of cutting off or increasing synchronous generator, due to this switching
Mode is nonlinear, can cause the diesel engine of operation and can not operate on optimal power efficiency point, there is fuel oil utilization rate
Extremely low problem.Additionally, the control system of the alternating-current distribution panel both sides of exchange networking propulsion system is individually designed control
, there is the control that the control of diesel generating set assists with moving system and isolate, the integration of whole system is poor, and equipment is taken up an area
Space is big, and equipment price is high.
The content of the invention
The utility model provides a kind of direct current networking electric propulsion system, solves existing exchange networking electric propulsion
The diesel engine that system is present can not operate in optimal power efficiency point, and system integration difference and the big technology that takes up room are asked
Topic.
The utility model is to solve above technical problem by the following technical programs：
General plotting of the present utility model is：Networking is carried out using Common DC Profibus Control System, diesel engine drives asynchronous hair
Electric power generation, the alternating current of generation is connected by after friendship-straight rectification circuit with common DC bus, and the main pushing motor of ship leads to
Cross inverter to be connected with common DC bus, ship side pushing motor is connected by another inverter with common DC bus,
Ship load is realized when changing, can Serial regulation asynchronous generator generated output, diesel oil function is operated in most preferably
Fuel oil power consumption in the state of, and network of ship is operated under normal operating voltage, improve the burning effect of diesel engine
Rate, improves generating and promotes two integrations and harmony of link.
A kind of ship direct current networking electric propulsion system, including the first diesel engine and the second diesel engine, the first diesel engine with
First asynchronous generator links together, and the first asynchronous generator is female with public direct-current by the first diesel generating set rectifier
Line links together；Second diesel engine links together with the second asynchronous generator, and the second asynchronous generator passes through the second diesel oil
Generator set rectification device links together with common DC bus；Main propulsion motor is connected on common DC bus inverse
Become device and side propulsion electric machine inverter, main propulsion motor inverter links together with main propulsion motor, on main propulsion motor
Mechanical connection has main thruster；Side propulsion electric machine inverter links together with side propulsion electric machine, the machinery on the propulsion electric machine of side
It is connected with side propeller.
The daily transformer inverter of ship is connected with common DC bus, is passed through in the daily transformer inverter of ship
Transformer links together with the daily block terminal of ship.
The common DC bus of the left propulsion system of ship are connected together with the common DC bus of right propulsion system
, whole electric power is distributed by the dc bus of efficient, high dynamic characteristic.
The utility model concrete structure is：An asynchronous generator is driven to be generated electricity using diesel engine, it is asynchronous at every
All be connected with the rectifier of respective AC-DC in the output end of generator, the direct current after rectification be connected to one it is public straight
On stream bus, multiple inverters are parallel with the common DC bus, respective Ship Propeling is connected with each inverter
Motor, each Ship Propeling motor links together with respective marine propeller.When ship load changes, can be dynamic
Every rotating speed of diesel engine of regulation, control diesel engine is operated on optimum power efficiency point all the time, that is, is at preferably
Fuel oil use state under, greatly reduce the oil consumption of diesel engine.Especially since by the way of common DC bus,
Make the change of load neatly can linearly be adjusted by the rotating speed of asynchronous generator, without causing common DC bus
The fluctuation of DC voltage, and then do not interfere with the normal operation of each electricity consumption power network on ship yet.
The utility model has integrated level higher, relatively low cost, number of devices relative to AC power propulsion system
Few, floor space and weight are low, when load changes, can flexibly combine diesel generating set, make each diesel generation
Unit is operated in optimal power efficiency point, reduces the fuel consumption of diesel generating set.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
A kind of ship direct current networking electric propulsion system, including the first diesel engine 1 and the second diesel engine 6, the first diesel engine 1
Linked together with the first asynchronous generator 2, the first asynchronous generator 2 by the first diesel generating set rectifier 3 with it is public
Dc bus 14 links together；Second diesel engine 6 links together with the second asynchronous generator 7, and the second asynchronous generator 7 leads to
The second diesel generating set rectifier 8 is crossed to be linked together with common DC bus 14；Connect respectively on common DC bus 14
Main propulsion motor inverter 4 and side propulsion electric machine inverter 9 are connected to, main propulsion motor inverter 4 is connected to main propulsion motor 5
Together, being mechanically connected on main propulsion motor 5 has main thruster；Side propulsion electric machine inverter 9 is connected to side propulsion electric machine 10
Together, being mechanically connected on side propulsion electric machine 10 has side propeller.
The daily transformer inverter 11 of ship is connected with common DC bus 14, in the daily transformer inverter 11 of ship
Linked together by the daily block terminal 13 of transformer 12 and ship.
The common DC bus of the left propulsion system of ship are connected together with the common DC bus of right propulsion system
, whole electric power is distributed by the dc bus of efficient, high dynamic characteristic.
When ship is in it is under full steam when, whole propellers are in working condition, the first diesel engine 1 and second on ship
Diesel engine 6 is operated under optimal fuel oil work condition state.When ship load is reduced, the first diesel engine 1 is closed, only by second
Diesel engine 6 provides power,
By the rotating speed of control strategy the second diesel engine 6 of reduction, and preferably fuel oil work condition state is at, second is different
The output voltage for walking generator 7 is also reduced, and at this moment makes the second bavin by adjusting the Trigger Angle of the second diesel generating set rectifier 8
The DC voltage that fry dried food ingredients group of motors rectifier 8 is exported on common DC bus 14 keeps constant, so as to ensure that ship power supply
The normal work of power network is without being affected.
Claims (3)
1. a kind of ship direct current networking electric propulsion system, including the first diesel engine（1）With the second diesel engine（6）, its feature exists
In the first diesel engine（1）With the first asynchronous generator（2）Link together, the first asynchronous generator（2）Sent out by the first diesel oil
Group of motors rectifier（3）With common DC bus（14）Link together；Second diesel engine（6）With the second asynchronous generator（7）
Link together, the second asynchronous generator（7）By the second diesel generating set rectifier（8）With common DC bus（14）Even
It is connected together；In common DC bus（14）On be connected to main propulsion motor inverter（4）With side propulsion electric machine inverter
（9）, main propulsion motor inverter（4）With main propulsion motor（5）Link together, in main propulsion motor（5）Upper mechanical connection has
Main thruster；Side propulsion electric machine inverter（9）With side propulsion electric machine（10）Link together, in side propulsion electric machine（10）Upper machinery
It is connected with side propeller.
2. a kind of ship direct current networking electric propulsion system according to claim 1, it is characterised in that female in public direct-current
Line（14）On be connected with the daily transformer inverter of ship（11）, in the daily transformer inverter of ship（11）It is by transformer
（12）With the daily block terminal of ship（13）Link together.
3. a kind of ship direct current networking electric propulsion system according to claim 1, it is characterised in that the left propulsion of ship
The common DC bus of system are connected together with the common DC bus of right propulsion system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621326228.0U CN206218184U (en) | 2016-12-06 | 2016-12-06 | Ship direct current networking electric propulsion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621326228.0U CN206218184U (en) | 2016-12-06 | 2016-12-06 | Ship direct current networking electric propulsion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206218184U true CN206218184U (en) | 2017-06-06 |
Family
ID=58784656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621326228.0U Active CN206218184U (en) | 2016-12-06 | 2016-12-06 | Ship direct current networking electric propulsion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206218184U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147103A (en) * | 2017-07-13 | 2017-09-08 | 中车永济电机有限公司 | Electrical Propulsion Ship direct current networking power system |
| CN110048395A (en) * | 2018-01-15 | 2019-07-23 | 中车永济电机有限公司 | Fishing boat power supply system |
| CN110329480A (en) * | 2019-08-14 | 2019-10-15 | 广西玉柴机器股份有限公司 | Marine electric propulsion system |
| CN110401368A (en) * | 2019-07-30 | 2019-11-01 | 江苏舾普泰克自动化科技有限公司 | A kind of electric propulsion inverter applied to ship |
| CN111404202A (en) * | 2020-03-18 | 2020-07-10 | 无锡赛思亿电气科技有限公司 | Power distribution method for generator set of direct-current networking |
-
2016
- 2016-12-06 CN CN201621326228.0U patent/CN206218184U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147103A (en) * | 2017-07-13 | 2017-09-08 | 中车永济电机有限公司 | Electrical Propulsion Ship direct current networking power system |
| CN110048395A (en) * | 2018-01-15 | 2019-07-23 | 中车永济电机有限公司 | Fishing boat power supply system |
| CN110401368A (en) * | 2019-07-30 | 2019-11-01 | 江苏舾普泰克自动化科技有限公司 | A kind of electric propulsion inverter applied to ship |
| CN110329480A (en) * | 2019-08-14 | 2019-10-15 | 广西玉柴机器股份有限公司 | Marine electric propulsion system |
| CN111404202A (en) * | 2020-03-18 | 2020-07-10 | 无锡赛思亿电气科技有限公司 | Power distribution method for generator set of direct-current networking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 030027 131 Heping North Road, wanBerlin District, Taiyuan, Shanxi Co-patentee after: WUXI SILENT ELECTRIC SYSTEM (SES) TECHNOLOGY Co.,Ltd. Patentee after: SHANXI FENXI HEAVY INDUSTRY Co.,Ltd. Address before: No. 131, Heping North Road, Taiyuan, Shanxi Province, Shanxi Co-patentee before: BEIJING CSE ELECTRICAL SCIENCE & TECHNOLOGY CO.,LTD. Patentee before: SHANXI FENXI HEAVY INDUSTRY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 030027 131 Heping North Road, wanBerlin District, Taiyuan, Shanxi Patentee after: China State Shipbuilding Corporation Fenxi Heavy Industry Co.,Ltd. Country or region after: China Patentee after: China Shipbuilding Saisiyi (Wuxi) Electrical Technology Co.,Ltd. Address before: 030027 131 Heping North Road, wanBerlin District, Taiyuan, Shanxi Patentee before: SHANXI FENXI HEAVY INDUSTRY Co.,Ltd. Country or region before: China Patentee before: WUXI SILENT ELECTRIC SYSTEM (SES) TECHNOLOGY Co.,Ltd. |