CN206283311U - A kind of new electrical main connecting wire of transformer station - Google Patents
A kind of new electrical main connecting wire of transformer station Download PDFInfo
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- CN206283311U CN206283311U CN201621198149.6U CN201621198149U CN206283311U CN 206283311 U CN206283311 U CN 206283311U CN 201621198149 U CN201621198149 U CN 201621198149U CN 206283311 U CN206283311 U CN 206283311U
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- 230000011218 segmentation Effects 0.000 claims description 2
- 238000000844 transformation Methods 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
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- 230000009183 running Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model provides a kind of new electrical main connecting wire of transformer station, is provided between the HVDC side of adjacent two electric power electric transformers and cut-offs controller, this cut-off controller for get in touch with two electric power electric transformers.When it is described cut-off controller use mother flexible controller when, the on off operating mode between adjacent two electric power electric transformers can not only be controlled, and the flexibly method of operation such as many paired runnings of electric power electric transformer, off-the-line operation can be realized, the problem for avoiding traditional transformer from being brought due to frequency, generator rotor angle etc., can also adjust the trend distribution between adjacent two electric power electric transformers.
Description
Technical field
The utility model is related to technical field of electric power, and in particular to a kind of new electrical main connecting wire of transformer station.
Background technology
With the quickening of intelligent grid pace of construction, Power Electronic Technique and device apply increasingly extensive in transformer station,
Operation of the reliability, flexibility of the electrical main connecting wire being characterized with power electronics primary equipment to transformer station is particularly important.
At present, when having many transformers in transformer station while when running, typically all by the bus connection switch between bus
Running status between the transformer of control adjacent segment bus connection.In actual applications, many transformers are frequently necessary to side by side
Operation, off-the-line operation or other methods of operation, and traditional bus connection switch only has " division " two states, is only capable of controlling adjacent segment
Bus is switched on or switched off, it is difficult to realize many flexible operations of transformer.Accordingly, it would be desirable to set flexibility main electrical scheme shape high
Formula.
Utility model content
The technical problems to be solved in the utility model is to overcome existing transformer station to be difficult to many transformers flexibly to transport
Capable defect.
In view of this, the utility model provides a kind of new electrical main connecting wire of transformer station, including a high-voltage alternating mother
Line and a low-voltage alternating-current bus, the high voltage AC bus and the low-voltage alternating-current bus are respectively divided into multistage sectionalized busbar,
Every section of sectionalized busbar is respectively connecting to a few outlet, at least includes：
First electric power electric transformer, the high-voltage alternating side joint of first electric power electric transformer enters the high-voltage alternating
First sectionalized busbar of bus, the low-voltage alternating-current side joint of first electric power electric transformer enters the of the low-voltage alternating-current bus
One sectionalized busbar；
Second electric power electric transformer, the high-voltage alternating side joint of second electric power electric transformer enters the high-voltage alternating
Second sectionalized busbar of bus, the low-voltage alternating-current side joint of second electric power electric transformer enters the of the low-voltage alternating-current bus
Two-section bus；
It is provided between first sectionalized busbar and the second sectionalized busbar of the low-voltage alternating-current bus for getting in touch with two sections
The low-voltage alternating-current bus of low-voltage alternating-current bus cut-offs controller；
In the HVDC side of first electric power electric transformer and the straightening high of second electric power electric transformer
It is provided between stream side and is cut-off for getting in touch with the HVDC side of the first electric power electric transformer and the second electric power electric transformer
Controller.
Preferably, also including one or more the 3rd electric power electric transformers, each described 3rd electric power electric transformer
High-voltage alternating side joint enter the 3rd sectionalized busbar of the high voltage AC bus, each the 3rd electric power electric transformer it is low
Pressure AC accesses the 3rd sectionalized busbar of the low-voltage alternating-current bus.
Preferably, between two sections of adjacent sectionalized busbars of low-voltage alternating-current bus low-voltage alternating-current bus is respectively arranged with to cut-off
Controller.
Preferably, between the HVDC side of two adjacent electric power electric transformers HVDC side is respectively arranged with to open
Disconnected controller.
Preferably, the low-voltage alternating-current bus cut-offs controller and uses power electronics rapid on-off apparatus or conventional open circuit
Device.
Preferably, the low-voltage alternating-current bus cut-off controller use mother flexible controller, the mother Flexible Control
Device is used to adjust the trend between two sections of adjacent sectionalized busbars of low-voltage alternating-current bus.
Preferably, the HVDC side cut-off controller use power electronics rapid on-off apparatus or regular circuit breakers.
Preferably, the HVDC side cut-off controller use mother flexible controller, the mother flexible controller
For controlling two connected paired runnings of electric power electric transformer, the mother flexible controller to be additionally operable to its company of regulation
Trend distribution between two electric power electric transformers for connecing.
Preferably, every section of high voltage AC bus connect one or more high-voltage alternating terminals, in every section of height
High voltage AC bus breaking device is provided between pressure ac bus and each described high-voltage alternating terminals.
Preferably, the high voltage AC bus breaking device partly or entirely uses power electronics rapid on-off apparatus or normal
Rule breaker.
Preferably, the electric power electric transformer for being connected in every section of low-voltage alternating-current bus and this section of low-voltage alternating-current bus
Between be provided with low-voltage alternating-current bus breaking device.
Preferably, the low-voltage alternating-current bus breaking device partly or entirely uses power electronics rapid on-off apparatus or normal
Rule breaker.
Technical solutions of the utility model, have the following advantages that：
The utility model provides a kind of new electrical main connecting wire of transformer station, in the height of adjacent two electric power electric transformers
Be provided with and cut-off controller between pressure DC side, this cut-off controller for get in touch with two electric power electric transformers.Opened when described
When disconnected controller uses mother flexible controller, the break-make shape between adjacent two electric power electric transformers can not only be controlled
State, and the flexibly method of operation such as many paired runnings of electric power electric transformer, off-the-line operation can be realized, it is to avoid tradition becomes
The problem that depressor is brought due to frequency, generator rotor angle etc., can also adjust the trend distribution between adjacent two electric power electric transformers.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of new electrical main connecting wire schematic diagram of transformer station；
Fig. 2 is a kind of new electrical main connecting wire schematic diagram of transformer station.
Wherein, reference is：
The electric power electric transformers of 1- first, the first paragraph of 11- high voltage AC bus, the first paragraph of 15- low-voltage alternating-current buses；
The electric power electric transformers of 2- second, the second segment of 21- high voltage AC bus, the second segment of 25- low-voltage alternating-current buses；
12nd, 22- high voltage AC bus breaking device, 13,23- high-voltage alternating terminals；
14th, 24- low-voltage alternating-currents bus breaking device, 16,26- low-voltage alternating-current terminals；
Cut-off controller in 3- HVDCs side；
4- low-voltage alternating-current buses cut-off controller.
5- high voltage AC bus cut-off controller.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be only
Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Two connections of element internal are can also be, can be wireless connection, or wired connection.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
As long as additionally, technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can just be combined with each other.
The present embodiment provides a kind of new electrical main connecting wire of transformer station, as shown in Figure 1.The main electrical scheme includes a high pressure
Ac bus and a low-voltage alternating-current bus, the high voltage AC bus and the low-voltage alternating-current bus are respectively divided into multistage segmentation
Bus, wherein, second sectionalized busbar 21 and low-voltage alternating-current of the first sectionalized busbar 11, high voltage AC bus of high voltage AC bus
First sectionalized busbar 15 of bus, the second sectionalized busbar 25 of low-voltage alternating-current bus are respectively connecting to a few outlet.
The main electrical scheme also at least includes：First electric power electric transformer 1, the high-voltage alternating of the first electric power electric transformer 1
Side joint enters the first sectionalized busbar 11 of high voltage AC bus, and the low-voltage alternating-current side joint of the first electric power electric transformer 1 enters low pressure friendship
Flow the first sectionalized busbar 15 of bus；Second electric power electric transformer 2, the high-voltage alternating side joint of the second electric power electric transformer 2
Enter the second sectionalized busbar 21 of high voltage AC bus, the low-voltage alternating-current side joint of the second electric power electric transformer 2 enters low-voltage alternating-current mother
Second sectionalized busbar 25 of line；Use is provided between first sectionalized busbar 15 and the second sectionalized busbar 25 of low-voltage alternating-current bus
Controller 4 is cut-off in the low-voltage alternating-current bus for getting in touch with two sections of low-voltage alternating-current buses；In the straightening high of the first electric power electric transformer 1
HVDC side is provided between stream side and the HVDC side of the second electric power electric transformer 2 cut-off controller 3, HVDC
Cut-off controller 3 and be connected respectively with the first electric power electric transformer 1 and the second electric power electric transformer 2 in side.
Specifically, controller 3 is cut-off in HVDC side can use power electronics rapid on-off apparatus or regular circuit breakers.
When using power electronics rapid on-off apparatus, it is possible to achieve the quick excision of the system failure.As a preferred embodiment party
Cut-off controller 3 and use mother flexible controller in formula, HVDC side.When using mother flexible controller, can not only control
Two connected paired runnings of electric power electric transformer of system, are additionally operable between regulation two electric power electric transformers
Trend is distributed.
The main electrical scheme is provided between the HVDC side of adjacent two electric power electric transformers and cut-offs controller, and this is opened
Disconnected controller is used to get in touch with two electric power electric transformers.When it is described cut-off controller use mother flexible controller when, not only
Can control the on off operating mode between adjacent two electric power electric transformers, and many electric power electric transformers can be realized
The flexible methods of operation such as paired running, off-the-line operation, it is to avoid the problem that traditional transformer is brought due to frequency, generator rotor angle etc., may be used also
To adjust the distribution of the trend between adjacent two electric power electric transformers.
Alternatively implementation, on the basis of above-mentioned main electrical scheme, can also further be extended more
Transformer.For example, one or more the 3rd electric power electric transformers, each described 3rd electric power can also be included in the main electrical scheme
The high-voltage alternating side joint of electronic transformer enters the 3rd sectionalized busbar of the high voltage AC bus, each described 3rd power electronics
The low-voltage alternating-current side joint of transformer enters the 3rd sectionalized busbar of the low-voltage alternating-current bus.Two sections of adjacent low-voltage alternating-current buses
Low-voltage alternating-current bus is respectively arranged between sectionalized busbar and cut-offs controller.The straightening high of two adjacent electric power electric transformers
HVDC side is respectively arranged between stream side cut-off controller.
Used as a specific embodiment, low-voltage alternating-current bus cut-offs controller 4 can quickly be opened using power electronics
Disconnected device or regular circuit breakers, for controlling the on off operating mode between two sections of adjacent sectionalized busbars of low-voltage alternating-current bus.When
During using power electronics rapid on-off apparatus, it is possible to achieve the quick excision of the system failure.Preferably, low-voltage alternating-current bus cut-offs
Controller 4 can also use mother flexible controller.When using mother flexible controller, adjacent two sections can not only be controlled
On off operating mode between the sectionalized busbar of low-voltage alternating-current bus, and two sections of adjacent low-voltage alternating-current buses of regulation can be realized
Trend between sectionalized busbar.
Every section of high voltage AC bus 11 and 21 connect one or more high-voltage alternating terminals 13 and 23, are handed in every section of high pressure
High voltage AC bus breaking device 12 and 22 is provided between stream bus and each high-voltage alternating terminals.In every section of low-voltage alternating-current
Low-voltage alternating-current bus breaking device 14 and 24 is provided between bus 15 and 25 and its electric power electric transformer 1 and 2 for being connected.
Used as a specific embodiment, high voltage AC bus breaking device 12 and 22, low-voltage alternating-current bus cut-offs dress
14 and 24 are put, power electronics rapid on-off apparatus or regular circuit breakers are partly or entirely used.Quickly opened when using power electronics
During disconnected device, it is possible to achieve the quick excision of the system failure.
The present embodiment also provides a kind of new electrical main connecting wire of transformer station, as shown in Figure 2.The main electrical scheme is shown in Fig. 1
On the basis of main electrical scheme, further it is provided with high voltage AC bus and cut-offs controller 5.Specifically, high voltage AC bus cut-off control
Device processed 5 can use power electronics rapid on-off apparatus or regular circuit breakers.When using power electronics rapid on-off apparatus, can
To realize the quick excision of the system failure.Preferably, high voltage AC bus cut-off controller 5 can also use mother Flexible Control
Device.When using mother flexible controller, can not only control between two sections of adjacent sectionalized busbars of high voltage AC bus
On off operating mode, and the trend between two sections of adjacent sectionalized busbars of high voltage AC bus of regulation can be realized.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (12)
1. a kind of new electrical main connecting wire of transformer station, an including high voltage AC bus and a low-voltage alternating-current bus, it is described
High voltage AC bus and the low-voltage alternating-current bus are respectively divided into multistage sectionalized busbar, and every section of sectionalized busbar is respectively connecting to few one
Bar outlet, it is characterised in that at least include：
First electric power electric transformer, the high-voltage alternating side joint of first electric power electric transformer enters the high voltage AC bus
The first sectionalized busbar, the low-voltage alternating-current side joint of first electric power electric transformer enters first point of the low-voltage alternating-current bus
Section bus；
Second electric power electric transformer, the high-voltage alternating side joint of second electric power electric transformer enters the high voltage AC bus
The second sectionalized busbar, the low-voltage alternating-current side joint of second electric power electric transformer enters second point of the low-voltage alternating-current bus
Section bus；
It is provided between first sectionalized busbar and the second sectionalized busbar of the low-voltage alternating-current bus for getting in touch with two sections of low pressure
The low-voltage alternating-current bus of ac bus cut-offs controller；
In the HVDC side of first electric power electric transformer and the HVDC side of second electric power electric transformer
Between be provided with and cut-off control for getting in touch with the HVDC side of the first electric power electric transformer and the second electric power electric transformer
Device.
2. main electrical scheme according to claim 1, it is characterised in that also including one or more the 3rd power electronics transformations
Device, the high-voltage alternating side joint of each the 3rd electric power electric transformer enters the 3rd sectionalized busbar of the high voltage AC bus,
The low-voltage alternating-current side joint of each the 3rd electric power electric transformer enters the 3rd sectionalized busbar of the low-voltage alternating-current bus.
3. main electrical scheme according to claim 2, it is characterised in that two sections of adjacent sectionalized busbars of low-voltage alternating-current bus it
Between be respectively arranged with low-voltage alternating-current bus and cut-off controller.
4. main electrical scheme according to claim 2, it is characterised in that two adjacent HVDCs of electric power electric transformer
HVDC side is respectively arranged between side and cut-offs controller.
5. the main electrical scheme according to any one of claim 1 or 3, it is characterised in that the low-voltage alternating-current bus cut-offs control
Device processed uses power electronics rapid on-off apparatus or regular circuit breakers.
6. the main electrical scheme according to any one of claim 1 or 3, it is characterised in that the low-voltage alternating-current bus cut-offs control
Device processed uses mother flexible controller, and the mother flexible controller is for adjusting two sections of adjacent segmentations of low-voltage alternating-current bus
Trend between bus.
7. the main electrical scheme according to any one of claim 1 or 4, it is characterised in that cut-off control in the HVDC side
Device uses power electronics rapid on-off apparatus or regular circuit breakers.
8. the main electrical scheme according to any one of claim 1 or 4, it is characterised in that cut-off control in the HVDC side
Device uses mother flexible controller, the mother flexible controller be used to controlling it is connected two electric power electric transformers and
Row operation, the mother flexible controller is additionally operable to adjust the trend distribution between two electric power electric transformers of its connection.
9. the main electrical scheme according to any one of claim 1-4, it is characterised in that every section of high voltage AC bus connection
One or more high-voltage alternating terminals, sets between every section of high voltage AC bus and each described high-voltage alternating terminals
It is equipped with high voltage AC bus breaking device.
10. main electrical scheme according to claim 9, it is characterised in that the high voltage AC bus breaking device part is complete
Portion uses power electronics rapid on-off apparatus or regular circuit breakers.
11. main electrical scheme according to any one of claim 1-4, it is characterised in that in every section of low-voltage alternating-current bus
Low-voltage alternating-current bus breaking device is provided with and the electric power electric transformer that is connected of this section of low-voltage alternating-current bus between.
12. main electrical schemes according to claim 11, it is characterised in that the low-voltage alternating-current bus breaking device part is complete
Portion uses power electronics rapid on-off apparatus or regular circuit breakers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621198149.6U CN206283311U (en) | 2016-11-04 | 2016-11-04 | A kind of new electrical main connecting wire of transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621198149.6U CN206283311U (en) | 2016-11-04 | 2016-11-04 | A kind of new electrical main connecting wire of transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283311U true CN206283311U (en) | 2017-06-27 |
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ID=59082239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621198149.6U Active CN206283311U (en) | 2016-11-04 | 2016-11-04 | A kind of new electrical main connecting wire of transformer station |
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| CN (1) | CN206283311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394819A (en) * | 2017-08-24 | 2017-11-24 | 上海交通大学 | Flexible interconnection system and its control method between a kind of transformer station's low-voltage bus bar |
-
2016
- 2016-11-04 CN CN201621198149.6U patent/CN206283311U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394819A (en) * | 2017-08-24 | 2017-11-24 | 上海交通大学 | Flexible interconnection system and its control method between a kind of transformer station's low-voltage bus bar |
| CN107394819B (en) * | 2017-08-24 | 2019-07-30 | 上海交通大学 | Flexible interconnection system and its control method between a kind of substation's low-voltage bus bar |
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Address after: 102209 Beijing City, the future of science and Technology City Binhe Road, No. 18, No. Co-patentee after: State Grid Corporation of China Patentee after: Global energy Internet Institute, Inc. Address before: 102211 Beijing city Changping District Xiaotangshan town big East Village Road No. 270 Co-patentee before: State Grid Corporation of China Patentee before: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE |