CN103094925B - Intermediate voltage generating station for ship - Google Patents
Intermediate voltage generating station for ship Download PDFInfo
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- CN103094925B CN103094925B CN201110331259.0A CN201110331259A CN103094925B CN 103094925 B CN103094925 B CN 103094925B CN 201110331259 A CN201110331259 A CN 201110331259A CN 103094925 B CN103094925 B CN 103094925B
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- generator
- exhaust gas
- gas turbo
- diesel engine
- ship
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- 238000001514 detection method Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
A kind of intermediate voltage generating station for ship, comprise: the diesel generating set be made up of at least one diesel engine generator, the shaft generator unit be made up of at least one axle generator and the exhaust gas turbo generator group be made up of at least one exhaust gas turbo generator, this intermediate voltage generating station for ship also comprise one can according to the size of load the power management system of any described diesel engine generator in parallel, described axle generator and described exhaust gas turbo generator.The intermediate voltage generating station of boats and ships of the present invention is by carrying out parallel running to each generator, make the generator gross power after parallel connection as much as possible close to the power summation of load, solve some high power load band dexterously and carry difficulty, low power load band carries a difficult problem for waste, improve the utilance of parallel generator, reach the object of saving the energy and environmental protection.
Description
Technical field
The present invention relates to a kind of intermediate voltage generating station of boats and ships, particularly relate to the power-saving technology of intermediate voltage generating station for ship.
Background technology
The power equipment of large ship is many, capacity is large, working condition is complicated, electric power system is except providing electric power for the daily load of routine, dynamic positioning system when propulsion system when being also required to be navigation and operation and large power-consuming equipment provide electric power energy, require high to electric power station system.At present, the intermediate voltage generating station of major part boats and ships forms primarily of diesel generating set, also part boats and ships are had to adopt axle generator auxiliary power generation to realize energy-conservation object, more have small part boats and ships to additionally use discarded turbine generators to utilize main frame used heat to generate electricity, thus realize further energy-conservation while also reach the effect of reduction of discharging.The power of the generator of these three kinds of forms is different, if the generator of three kinds of forms uses on same boats and ships, can distribute to load and bring a difficult problem, cause load unreasonable distribution, so, how the generator of these three kinds of forms of Appropriate application is to make the utilance of axle generator and exhaust gas turbo generator high as much as possible, becomes the difficult problem that industry waits to solve.In addition, the power of the different diesel engine generators in diesel generating set also may be different, some generator is caused not make full use of its rated power, and some generator cannot drive the load exceeding its rated power, so how reasonable distribution load, make the utilance of each generator high as much as possible, become the difficult problem that industry waits to solve.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency overcoming the existence of above-mentioned prior art, and proposes a kind of intermediate voltage generating station for ship, and it is increased operation rate by the generator that parallel connection is different, saves the energy.
For solving the problems of the technologies described above, the present invention proposes a kind of intermediate voltage generating station for ship, comprise: the diesel generating set be made up of at least one diesel engine generator, the shaft generator unit be made up of at least one axle generator and the exhaust gas turbo generator group be made up of at least one exhaust gas turbo generator, this intermediate voltage generating station for ship also comprise one can according to the size of load the power management system of any described diesel engine generator in parallel, described axle generator and described exhaust gas turbo generator.
Described intermediate voltage generating station for ship, wherein, described diesel engine generator, described axle generator and described exhaust gas turbo generator are connected on a bus respectively by vacuum circuit-breaker, described load is directly from power taking described bus, make the power summation of gross power close to described load of each diesel engine generator after parallel connection, each axle generator and each exhaust gas turbo generator, and preferential each axle generator in parallel and each exhaust gas turbo generator; This bus comprises two bus section, busbar sections, and these two bus section, busbar sections are connected by vacuum circuit-breaker, and the generator on these two bus section, busbar sections is substantially identical with bearing power, and this exhaust gas turbo generator group is connected on different bus section, busbar section from axle generator group.
Described intermediate voltage generating station for ship, wherein, described power management system comprises: in order to detect the phase difference detection module of phase difference treating each diesel engine generator in parallel, each axle generator and each exhaust gas turbo generator and bus.
Described intermediate voltage generating station for ship, wherein, described power management system also comprises in order to treating each diesel engine generator in parallel, each axle generator and the phase place of each exhaust gas turbo generator and the phase locked synchronization module of bus.
Described intermediate voltage generating station for ship, wherein, the voltage of described diesel engine generator, described axle generator and described exhaust gas turbo generator is identical with frequency.
Described intermediate voltage generating station for ship, wherein, described diesel engine generator is four.
Described intermediate voltage generating station for ship, wherein, described axle generator is one.
Described intermediate voltage generating station for ship, wherein, described exhaust gas turbo generator is one.
Compared with prior art, the present invention has following beneficial effect: the intermediate voltage generating station of boats and ships of the present invention is by carrying out parallel running to each generator, make the generator gross power after parallel connection as much as possible close to the power summation of load, solve some high power load band dexterously and carry difficulty, low power load band carries a difficult problem for waste, improve the utilance of parallel generator, reach the object of saving the energy and environmental protection, in addition parallel operation of generator also can make full use of the advantage of the clean energy resource such as axle generator and exhaust gas turbo generator, reduce the utilization rate of fuel electric generator, save fuel oil loss, reduce shipping cost.
Accompanying drawing explanation
Fig. 1 is the frame structure schematic diagram of intermediate voltage generating station for ship of the present invention.
Embodiment
In order to further illustrate principle of the present invention and structure, existing by reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
As shown in Figure 1, this intermediate voltage generating station for ship comprises: an axle generator 2, exhaust gas turbo generator 3 and the diesel generating set 1 be made up of four diesel engine generators 11,12,13,14, this shaft generator acc power is 4500KW, the power of exhaust gas turbo generator 3 is 1800KW, the first diesel engine generator 11 in four diesel engine generators and the 4th diesel engine generator 14 power identical, be 1800KW; The second diesel engine generator 12 in four diesel engine generators is identical with the power of the 3rd diesel engine generator 13, is 4360KW.Axle generator 2, exhaust gas turbo generator 3 and four diesel engine generators 11,12,13,14 are three-phase alternating current, and rated voltage is 6600V, and frequency is 60HZ.
This intermediate voltage generating station for ship has a medium-voltage distribution plate 6, axle generator 2, exhaust gas turbo generator 3 and each diesel engine generator 11,12,13,14 is all connected on the bus 7 of medium-voltage distribution plate 6 by vacuum circuit-breaker, press in first, second main transformer 41,42 and first, second refrigerating box transformer 51,52 even load directly by vacuum circuit-breaker from power taking bus 7.In the present embodiment, bus 7 comprises two bus section, busbar sections, that is: bus section, busbar section 71 and bus section, busbar section 72, two bus section, busbar sections 71,72 are connected by vacuum circuit-breaker, generator on two bus section, busbar sections 71,72 is substantially identical with bearing power, wherein, main transformer 41, first refrigerating box transformer 51 even load is pressed to be connected on bus section, busbar section 71 in axle generator 2, first, second diesel engine generator 11,12 and first; Exhaust gas turbo generator 3, the 3rd, press main transformer 4, second refrigerating box transformer 5 even load to be connected on bus section, busbar section 72 in the 4th diesel engine generator 13,14 and second.User Ke Yin load service condition and enable any bus section, busbar section 71 or 72, two bus section, busbar sections 71,72 enabled by the vacuum circuit-breaker that also can close simultaneously.
This intermediate voltage generating station for ship also comprises a power management system 8, its can according to the size of load any diesel engine generator in parallel 11,12,13,14, axle generator 2 and exhaust gas turbo generator 3.As: power management system 8 is because of bearing power situation, automatically by axle generator 2 and diesel engine generator 11, 12, 13, 14 is in parallel, or, automatically by exhaust gas turbo generator 3 and diesel engine generator 11, 12, 13, 14 is in parallel, or, automatically axle generator 2 is in parallel with exhaust gas turbo generator 3, or, automatically by the first different for two power diesel engine generators 11 and the second diesel engine generator 12 in parallel, make the gross power of the generator after parallel connection as much as possible close to the power summation of load, thus give full play to the utilance of the generator of this parallel connection as much as possible, reach energy-conservation object.Consider that axle generator 2 and exhaust gas turbo generator 3 are green energy resource, it is without the need to expending fuel oil, so, power management system 8 is when parallel generator, should as much as possible the utilance of axle generator 2 and exhaust gas turbo generator 3 be performed to ultimate attainment, to save fuel oil loss as much as possible, reduce vessel motion cost.
Power management system 8 is before the generator that parallel connection is different, and should make to treat that generator in parallel meets three conditions, that is: treat that the voltage difference of parallel generator and bus 7 is in rational scope, difference on the frequency is in rational scope, and phase difference is in rational scope.And the frequency and voltage of each generator in intermediate voltage generating station for ship of the present invention is all identical, therefore when parallel generator, only need consider phase difference, when when the phase difference of parallel generator and bus 7 is eligible, parallel connection of can closing a floodgate.Therefore, this power management system 8 should comprise: treat generator (diesel engine generator 11 in parallel in order to detect, 12, 13, 14, axle generator 2 and exhaust gas turbo generator 3) with the phase difference detection module (not shown) of the phase difference of bus 7, when phase difference detection module detect do not meet condition in parallel until generator in parallel with the phase difference of bus 7 time, power management system 8 can be enabled synchronization module on it (not shown) and carry out the two phase place synchronous, until the two phase difference meets condition in parallel, power management system 8 can perform closing operation in parallel.
Phase difference detection module in the present embodiment and synchronization module all can adopt technology ripe in prior art, repeat no more herein.
In other embodiments, the diesel engine generator quantity of intermediate voltage generating station for ship also can be one, Liang Tai, more than three or four, axle generator quantity also can be more than one, exhaust gas turbo generator quantity also can be more than one.These are only better possible embodiments of the present invention, not limit the scope of the invention, all utilizations specification of the present invention and the change of the equivalent structure done by accompanying drawing content, be all included in protection scope of the present invention.
Claims (5)
1. an intermediate voltage generating station for ship, comprise: the diesel generating set be made up of at least one diesel engine generator, the shaft generator unit be made up of at least one axle generator and the exhaust gas turbo generator group be made up of at least one exhaust gas turbo generator, it is characterized in that, described diesel engine generator, described axle generator and described exhaust gas turbo generator are connected on a bus respectively by vacuum circuit-breaker, load is directly from power taking described bus, make each diesel engine generator after parallel connection, the gross power of each axle generator and each exhaust gas turbo generator is close to the power summation of described load, and preferential each axle generator in parallel and each exhaust gas turbo generator, this bus comprises two bus section, busbar sections, and these two bus section, busbar sections are connected by described vacuum circuit-breaker, and the generator on these two bus section, busbar sections is substantially identical with described bearing power, and this exhaust gas turbo generator group and axle generator group are connected on different bus section, busbar section, described intermediate voltage generating station for ship also comprise one can according to the size of described load the power management system of any described diesel engine generator in parallel, described axle generator and described exhaust gas turbo generator, described power management system comprises: in order to detect the phase difference detection module of phase difference treating each diesel engine generator in parallel, each axle generator and each exhaust gas turbo generator and described bus, and, in order to will each diesel engine generator in parallel, each axle generator and the phase place of each exhaust gas turbo generator and the phase locked synchronization module of described bus be treated.
2. intermediate voltage generating station for ship as claimed in claim 1, it is characterized in that, the voltage of described diesel engine generator, described axle generator and described exhaust gas turbo generator is identical with frequency.
3. intermediate voltage generating station for ship as claimed in claim 1, it is characterized in that, described diesel engine generator is four.
4. intermediate voltage generating station for ship as claimed in claim 1, it is characterized in that, described axle generator is one.
5. intermediate voltage generating station for ship as claimed in claim 1, it is characterized in that, described exhaust gas turbo generator is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110331259.0A CN103094925B (en) | 2011-10-27 | 2011-10-27 | Intermediate voltage generating station for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110331259.0A CN103094925B (en) | 2011-10-27 | 2011-10-27 | Intermediate voltage generating station for ship |
Publications (2)
| Publication Number | Publication Date |
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| CN103094925A CN103094925A (en) | 2013-05-08 |
| CN103094925B true CN103094925B (en) | 2016-01-20 |
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| CN201110331259.0A Expired - Fee Related CN103094925B (en) | 2011-10-27 | 2011-10-27 | Intermediate voltage generating station for ship |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104037799B (en) * | 2014-05-06 | 2016-04-06 | 北京赛思亿电气科技有限公司 | A kind of boats and ships Shaft-Generator and control method thereof |
| CN110266049A (en) * | 2019-07-09 | 2019-09-20 | 上海阜有海洋科技有限公司 | The Ship Power Station optimal economic mode multiplex control system of polymorphic type generation mode |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007024906A1 (en) * | 2007-05-29 | 2008-12-11 | Siemens Ag | Marine propulsion system exploiting the exhaust gas energy of large marine diesels |
| CN101577433A (en) * | 2009-06-03 | 2009-11-11 | 镇江赛尔尼柯自动化有限公司 | Method for inquiring heavy load of ship power station power management |
| CN102185340A (en) * | 2011-04-06 | 2011-09-14 | 上海恩艾思电气有限公司 | Ship power management system |
| CN202333832U (en) * | 2011-10-27 | 2012-07-11 | 中国国际海运集装箱(集团)股份有限公司 | Intermediate voltage generating station for ship |
-
2011
- 2011-10-27 CN CN201110331259.0A patent/CN103094925B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007024906A1 (en) * | 2007-05-29 | 2008-12-11 | Siemens Ag | Marine propulsion system exploiting the exhaust gas energy of large marine diesels |
| CN101577433A (en) * | 2009-06-03 | 2009-11-11 | 镇江赛尔尼柯自动化有限公司 | Method for inquiring heavy load of ship power station power management |
| CN102185340A (en) * | 2011-04-06 | 2011-09-14 | 上海恩艾思电气有限公司 | Ship power management system |
| CN202333832U (en) * | 2011-10-27 | 2012-07-11 | 中国国际海运集装箱(集团)股份有限公司 | Intermediate voltage generating station for ship |
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| CN103094925A (en) | 2013-05-08 |
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Inventor after: Hu Ankang Inventor after: Zhang Rui Inventor after: Huang Bin Inventor after: Chu Huanhuan Inventor after: Xie Yankun Inventor after: Zhang Junru Inventor after: Lian Baogang Inventor after: Hu Junjie Inventor after: Shen Xiaoming Inventor after: Sun Biao Inventor after: Li Xin Inventor after: Cao Dan Inventor before: Xie Yankun Inventor before: Zhang Junru Inventor before: Lian Baogang Inventor before: Hu Junjie Inventor before: Sun Biao Inventor before: Li Xin |
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