CN205273826U - Parallelly connected propulsive firewood electricity hybrid power system based on permanent -magnet machine - Google Patents
Parallelly connected propulsive firewood electricity hybrid power system based on permanent -magnet machine Download PDFInfo
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- CN205273826U CN205273826U CN201520974389.XU CN201520974389U CN205273826U CN 205273826 U CN205273826 U CN 205273826U CN 201520974389 U CN201520974389 U CN 201520974389U CN 205273826 U CN205273826 U CN 205273826U
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- 230000001360 synchronised effect Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
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Abstract
The utility model discloses a parallelly connected propulsive firewood electricity hybrid power system based on permanent -magnet machine has solved when promoting mainly into the diesel engine incomparable to the power take off that provides required, and the converter can be followed the ship electric power plant and got the electricity, makes the problem of motor work at the motor state. Diesel engine (3) are connected with screw propeller (1) through gear box (2) including promoting mainly into, power station diesel generating set (7) link together through main circuit breaker (8) and marine load (9), be connected with permanent -magnet machine (4) on gear box (2), the stator winding of permanent -magnet machine (4) links together with the machine side output of converter (5), converter (5) net side output takes circuit breaker (6) and marine load (9) to link together through the axle, main circuit breaker (8) are in the closure state, the axle takes circuit breaker (6) to be in the closure state. Full ship driving system's redundancy has been promoted.
Description
Technical field
The utility model relates to a kind of power system being applicable to marine vessel applications, in particular to a kind of bavin electric mixed dynamic system based on permanent-magnet machine.
Background technology
In traditional ship power system, propulsion system and power station adopt independent diesel engine to provide energy respectively, specifically, propulsion system adopts diesel engine to drive thruster by wheel casing, ship's power station adopts another power station engine generator set being made up of diesel engine and Synchronous generator to build ship's power station, load peculiar to vessel is powered.
Start to have occurred a kind of bavin electricity mixing system recently, namely the wheel casing of diesel engine not only connects thruster, connect a motor simultaneously, under the driving of frequency transformer, this motor both may operate in generator state, electric motor state can also be operated in, this motor is typically chosen in brushless synchronous machine, the advantage of this kind of scheme is that brushless synchronous machine has very superior power generation performance, but shortcoming is that traditional brushless synchronous machine does not have electronic starting function, therefore be not suitable for making electric motor, this selection of Motor is cage induction motor by the scheme also having, the advantage of this kind of scheme is that asynchronous machine has superior start-up performance, it is well suited for doing motor running, but shortcoming is that asynchronous machine just must can enter generating state by external excitation, therefore be not suitable for doing very much generator to run.
Summary of the invention
The utility model provides the bavin electric mixed dynamic system based on permanent-magnet machine that a kind of parallel connection advances, solve when main promotion diesel engine be not enough to provide needed for Power output time, frequency transformer from ship service power unit power taking, can make machine operation in the problem of electric motor state.
To be main promotion diesel engine connected general plotting of the present utility model by wheel casing and permanent-magnet machine, and permanent-magnet machine connects a frequency transformer, and frequency transformer is final and ship service power unit or load peculiar to vessel connection.
A kind of traditional bavin electric mixed dynamic system based on permanent-magnet machine, comprise propellor 1, wheel casing 2, main promotion diesel engine 3, power station engine generator set 7 and load peculiar to vessel 9, main promotion diesel engine 3 is connected with propellor 1 by wheel casing 2, power station engine generator set 7 is linked together with load 9 peculiar to vessel by main isolating switch 8, wheel casing 2 is connected with permanent-magnet machine 4, the stator winding of permanent-magnet machine 4 and the machine side output terminal of frequency transformer 5 link together, frequency transformer 5 is netted side output terminal and is linked together by axle belt fuser 6 and load 9 peculiar to vessel, main isolating switch 8 is in closed state, axle belt fuser 6 is in disconnection state, now frequency transformer 5 does not work, thruster 1 is driven by main promotion diesel engine 3, ship service power unit is provided by marine generator group 7, load 9 peculiar to vessel is powered.
The bavin electric mixed dynamic system based on permanent-magnet machine of a kind of independent generating, comprise propellor 1, wheel casing 2, main promotion diesel engine 3, power station engine generator set 7 and load peculiar to vessel 9, main promotion diesel engine 3 is connected with propellor 1 by wheel casing 2, power station engine generator set 7 is linked together with load 9 peculiar to vessel by main isolating switch 8, wheel casing 2 is connected with permanent-magnet machine 4, the stator winding of permanent-magnet machine 4 and the machine side output terminal of frequency transformer 5 link together, frequency transformer 5 is netted side output terminal and is linked together by axle belt fuser 6 and load 9 peculiar to vessel, main isolating switch 8 is in disconnection state, axle belt fuser 6 is in closed state, namely when main promotion diesel engine 3 has enough power redundancy, unnecessary mechanical energy can be transferred to the voltage of frequency transformer stable output by motor to system power supply peculiar to vessel, close power station engine generator set 7.
The bavin electric mixed dynamic system based on permanent-magnet machine of a kind of parallel connection generating, comprise propellor 1, wheel casing 2, main promotion diesel engine 3, power station engine generator set 7 and load peculiar to vessel 9, main promotion diesel engine 3 is connected with propellor 1 by wheel casing 2, power station engine generator set 7 is linked together with load 9 peculiar to vessel by main isolating switch 8, wheel casing 2 is connected with permanent-magnet machine 4, the stator winding of permanent-magnet machine 4 and the machine side output terminal of frequency transformer 5 link together, frequency transformer 5 is netted side output terminal and is linked together by axle belt fuser 6 and load 9 peculiar to vessel, main isolating switch 8 is in closed state, axle belt fuser 6 is in closed state, namely when main promotion diesel engine 3 has enough power redundancy and loading capacity is very big, main promotion diesel engine 3 and power station engine generator set 7 are system power supply peculiar to vessel simultaneously.
The bavin electric mixed dynamic system based on permanent-magnet machine of a kind of independent propelling, comprise propellor 1, wheel casing 2, main promotion diesel engine 3, power station engine generator set 7 and load peculiar to vessel 9, main promotion diesel engine 3 is connected with propellor 1 by wheel casing 2, power station engine generator set 7 is linked together with load 9 peculiar to vessel by main isolating switch 8, wheel casing 2 is connected with permanent-magnet machine 4, the stator winding of permanent-magnet machine 4 and the machine side output terminal of frequency transformer 5 link together, frequency transformer 5 is netted side output terminal and is linked together by axle belt fuser 6 and load 9 peculiar to vessel, main isolating switch 8 is in closed state, axle belt fuser 6 is in closed state, namely when main promotion diesel engine 3 fault can not be run, frequency transformer can from ship service power unit power taking, make machine operation at electric motor state, drive separately thruster.
The bavin electric mixed dynamic system based on permanent-magnet machine that a kind of parallel connection advances, comprise propellor 1, wheel casing 2, main promotion diesel engine 3, power station engine generator set 7 and load peculiar to vessel 9, main promotion diesel engine 3 is connected with propellor 1 by wheel casing 2, power station engine generator set 7 is linked together with load 9 peculiar to vessel by main isolating switch 8, wheel casing 2 is connected with permanent-magnet machine 4, the stator winding of permanent-magnet machine 4 and the machine side output terminal of frequency transformer 5 link together, frequency transformer 5 is netted side output terminal and is linked together by axle belt fuser 6 and load 9 peculiar to vessel, main isolating switch 8 is in closed state, axle belt fuser 6 is in closed state, namely when main promotion diesel engine 3 be not enough to provide needed for Power output time, frequency transformer can from ship service power unit power taking, make machine operation at electric motor state.
Advantage of the present utility model and effect are as follows, the utility model can make system peculiar to vessel be operated in following various modes flexibly, shaft generator pattern, also PTO mode is claimed, namely when main promotion diesel engine has enough power redundancy, unnecessary mechanical energy can be transferred to the voltage of frequency transformer stable output by motor to system power supply peculiar to vessel, power station engine generator set can be closed like this, allowing promote mainly is operated on good efficient point into diesel engine, realize energy-saving effect, propelling pattern in parallel, also PTI pattern is claimed, namely when main promotion diesel engine be not enough to provide needed for Power output time, frequency transformer can from ship service power unit power taking, make machine operation at electric motor state, with main promotion diesel engine parallel running, promote total Power output ability, advance separately pattern, also PTH pattern is claimed, namely when promote mainly can not run into diesel engine fault time, frequency transformer can from ship service power unit power taking, make machine operation at electric motor state, drive separately thruster, improve the redundancy of full ship power system, all motors that this scheme adopts and frequency transformer can use comparatively general structure, and do not need to adopt the product customized, therefore comparatively wide batch can be had to promote space.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is the structural representation under the working order of parallel connection generating;
Fig. 3 is the structural representation under the working order advanced separately;
Fig. 4 is the structural representation under the working order of parallel connection propelling;
Fig. 5 is the structural representation of whole system under traditional mode;
Fig. 6 is whole system structural representation under emergency conditions;
Fig. 7 is the structural representation of frequency transformer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Main promotion diesel engine 3 connects propellor 1 by wheel casing 2, the rotor that wheel casing 2 stretches out an axle and permanent-magnet machine 4 simultaneously is mechanically connected, the machine side that the stator winding of permanent-magnet machine 4 connects frequency transformer 5 exports, the net side of frequency transformer 5 exports by axle belt fuser 6 connected boat load 9, and load 9 peculiar to vessel is also connected by main isolating switch 8 and power station engine generator set 7.
Under traditional mode, main isolating switch 8 closes, and axle belt fuser 6 disconnects, and frequency transformer 5 does not work, and now propellor 1 is driven by main promotion diesel engine 3, and ship service power unit is provided by marine generator group 7, load 9 peculiar to vessel is powered.
Under power generation mode in parallel, main isolating switch 8 and axle belt fuser 6 are all closed, and main promotion diesel engine not only drives thruster, and are carried to permanent-magnet machine 4 by wheel casing 2 by unnecessary energy. When permanent-magnet machine 4 rotates, owing to the rotor of permanent-magnet machine 4 is permanent magnet and produces rotatingfield, therefore the stator of permanent-magnet machine 4 can produce the voltage that frequency constantly changes along with the rotating speed of thruster 1, the voltage that the voltage progress of disease that frequency and amplitude are all changed by frequency transformer 5 becomes frequency and amplitude all constant, and load 9 peculiar to vessel powered by marine generator group 7 jointly.
Under independent power generation mode, it is possible to disconnected by main isolating switch 8, and close marine generator group 7, only closed axle belt fuser 6, is powered to load 9 peculiar to vessel by permanent-magnet machine 4 and frequency transformer 5. In such a mode, the energy of load 9 peculiar to vessel in fact comes from main promotion diesel engine 3, under such configuration makes main promotion diesel engine 3 be operated in higher load point, namely possesses lower oil consumption.
Under parallel connection propelling pattern, main isolating switch 8 and axle belt fuser 6 are all closed, marine generator group 7 powers not only to load 9 peculiar to vessel, and the net side of energy input frequency transformer 5 is exported, main thruster 1 is driven by the machine side output driving shaft band motor 4 of frequency transformer 5, axle band motor 4 and main promotion diesel engine 3 jointly by wheel casing 2. Can ensure that water screw main thruster 1 obtains thrust power extra except main promotion diesel engine 3 like this, promote the propulsion capability of main thruster 1.
Independent propelling pattern is a kind of emergent pattern, now main promotion diesel engine 3 damages, advance like mode class with parallel connection, main isolating switch 8 and axle belt fuser 6 are all closed, marine generator group 7 powers not only to load 9 peculiar to vessel, and the net side of energy input frequency transformer 5 is exported, the machine side output driving shaft band motor 4 of frequency transformer 5, with parallel connection advance pattern the difference is that, owing to main promotion diesel engine 3 damages, all propelling power of water screw main thruster 1 are all come from permanent-magnet machine 4, in such a mode, even if main promotion diesel engine 3 damages, water screw main thruster 1 still obtains power, therefore the power degree of redundancy of system promotes greatly.
Frequency transformer 4 adopts traditional back to back structure, it may also be useful to the basic power model 10 based on IGBT and diode forms, and machine side and net side adopt identical full bridge structure, and centre forms DC link by DC capacitor 11.
Claims (1)
1. the bavin electric mixed dynamic system based on permanent-magnet machine advanced in parallel, comprise propellor (1), wheel casing (2), main promotion diesel engine (3), power station engine generator set (7) and load peculiar to vessel (9), main promotion diesel engine (3) is connected with propellor (1) by wheel casing (2), it is characterized in that, power station engine generator set (7) is linked together by main isolating switch (8) and load peculiar to vessel (9), wheel casing (2) is connected with permanent-magnet machine (4), the stator winding of permanent-magnet machine (4) and the machine side output terminal of frequency transformer (5) link together, frequency transformer (5) net side output terminal is linked together by axle belt fuser (6) and load peculiar to vessel (9), main isolating switch (8) is in closed state, axle belt fuser (6) is in closed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520974389.XU CN205273826U (en) | 2015-12-01 | 2015-12-01 | Parallelly connected propulsive firewood electricity hybrid power system based on permanent -magnet machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520974389.XU CN205273826U (en) | 2015-12-01 | 2015-12-01 | Parallelly connected propulsive firewood electricity hybrid power system based on permanent -magnet machine |
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| CN205273826U true CN205273826U (en) | 2016-06-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106005344A (en) * | 2016-06-07 | 2016-10-12 | 镇江赛尔尼柯自动化有限公司 | Tandem coaxial diesel-electric combined propulsion system |
| CN107707076A (en) * | 2017-10-12 | 2018-02-16 | 镇江中船现代发电设备有限公司 | Wide scope speed change Shaft-Generator and axle generator design method |
| CN109515672A (en) * | 2018-12-28 | 2019-03-26 | 广州海工船舶设备有限公司 | A kind of unmanned boat hybrid power system of the shaftless propulsion of flange style |
-
2015
- 2015-12-01 CN CN201520974389.XU patent/CN205273826U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106005344A (en) * | 2016-06-07 | 2016-10-12 | 镇江赛尔尼柯自动化有限公司 | Tandem coaxial diesel-electric combined propulsion system |
| CN107707076A (en) * | 2017-10-12 | 2018-02-16 | 镇江中船现代发电设备有限公司 | Wide scope speed change Shaft-Generator and axle generator design method |
| CN109515672A (en) * | 2018-12-28 | 2019-03-26 | 广州海工船舶设备有限公司 | A kind of unmanned boat hybrid power system of the shaftless propulsion of flange style |
| CN109515672B (en) * | 2018-12-28 | 2024-05-14 | 广州海工船舶设备有限公司 | Rim type shaftless propulsion hybrid power system for unmanned ship |
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| C14 | Grant of patent or utility model | ||
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Address after: 214105 room 806-813, block C, Chong Dong building, 88, Dan Shan Road, Xishan Town, Xishan, Wuxi. Co-patentee after: SHANXI FENXI HEAVY INDUSTRY Co.,Ltd. Patentee after: WUXI SILENT ELECTRIC SYSTEM (SES) TECHNOLOGY Co.,Ltd. Address before: 100097 room 506 and 507, block B, Jia Hao International Center, 116 Zizhu Road, Haidian District, Beijing. Co-patentee before: SHANXI FENXI HEAVY INDUSTRY Co.,Ltd. Patentee before: BEIJING CSE ELECTRICAL SCIENCE & TECHNOLOGY CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Plot 83-D, Development Zone, Xinwu District, Wuxi City, Jiangsu Province, 214105 Patentee after: China Shipbuilding Saisiyi (Wuxi) Electrical Technology Co.,Ltd. Country or region after: China Patentee after: China State Shipbuilding Corporation Fenxi Heavy Industry Co.,Ltd. Address before: 214105 room 806-813, block C, Chong Dong building, 88, Dan Shan Road, Xishan Town, Xishan, Wuxi. Patentee before: WUXI SILENT ELECTRIC SYSTEM (SES) TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: SHANXI FENXI HEAVY INDUSTRY Co.,Ltd. |