CN108092270A - Short circuit current flow control method and device - Google Patents
Short circuit current flow control method and device Download PDFInfo
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- CN108092270A CN108092270A CN201711195670.3A CN201711195670A CN108092270A CN 108092270 A CN108092270 A CN 108092270A CN 201711195670 A CN201711195670 A CN 201711195670A CN 108092270 A CN108092270 A CN 108092270A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
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Abstract
The invention discloses a kind of short circuit current flow control method and device.Wherein, this method includes：Determine the power grid of extra-high intermediate pressure section to be accessed；The connection mode of the transmission line of electricity in power grid between power plant is obtained, wherein, the connection mode of the transmission line of electricity in power grid between power plant includes：Single back line, double-circuit line；Connection mode control short circuit current flow based on the transmission line of electricity between power plant.The present invention is solved in correlation technique since the access of extra-high voltage so that grid contact is close, is easy to cause grid short circuit and is generated the technical issues of levels of current is exceeded.
Description
Technical field
The present invention relates to field of power, in particular to a kind of short circuit current flow control method and device.
Background technology
Compared with traditional high voltage power transmission technology, UHV transmission can improve transmission capacity, increase economic electric transmission distance,
At the same time, UHV transmission is reducing transmission losses, is saving line corridor occupation of land, cost saving etc. also with bright
Aobvious advantage.In addition, UHV transmission can also increase substantially security, reliability, flexibility and the economy of power grid itself,
Mitigate railway transportation pressure, there is significant social benefit.
With the release of national policy, using electricity instead of coal, the trend of replacing oil by electricity are further apparent, and the demand that electric energy substitutes is into one
Step increases, then UHV transmission passage is built in specific region according to actual conditions, to ensureing energy security, improving energy effect
Rate promotes Ecological Civilization Construction, especially solves the problems, such as that haze is of great significance.However, although some places belong to important
Power grid and typical receiving end power grid, to the more demanding of security reliability, power grid structures can use dual-ring network, and each subregion is equal
There is power plant's support.After extra-high voltage access, it can not only increase the outer by electric energy power of receiving end, while also change power grid basic parameter
And structure.Therefore, the access of UHV transmission can be caused, grid contact can be caused close, caused by causing power grid generation short circuit
Levels of current excessive problem.
For, since the access of extra-high voltage so that grid contact is close, easily being led in correlation technique in above-mentioned correlation technique
Grid short circuit is caused to generate levels of current excessive problem, currently no effective solution has been proposed.
The content of the invention
An embodiment of the present invention provides a kind of short circuit current flow control method and device, at least solve in correlation technique due to
The access of extra-high voltage so that grid contact is close, is easy to cause grid short circuit and generates the technical issues of levels of current is exceeded.
One side according to embodiments of the present invention provides a kind of short circuit current flow control method, including：It determines to be accessed
The power grid of extra-high intermediate pressure section；The connection mode of the transmission line of electricity in the power grid between power plant is obtained, wherein, it is electric in the power grid
The connection mode of transmission line of electricity between factory includes：Single back line, double-circuit line；Based on the transmission line of electricity between the power plant
Connection mode controls short circuit current flow.
Optionally, obtaining the connection mode of the transmission line of electricity described in the power grid between power plant includes：Judge the electricity
The connection mode of transmission line of electricity between factory；Classified based on judging result to the power plant, obtain classification results, wherein,
The classification results include：Single back line set and double-circuit line set, the single back line set include：The power plant it
Between the connection mode of transmission line of electricity be single back line, the double loop set includes：Transmission line of electricity between the power plant
Connection mode is double loop；The connection mode of the transmission line of electricity in the power grid between power plant is obtained based on the classification results.
Optionally, the connection mode based on the transmission line of electricity between the power plant controls the short circuit current flow to include：It determines
Power generation level is less than the power plant of given threshold in the single back line set；Judge that power generation level is low in the single back line set
Whether belong to ring network structure in the power plant of given threshold, wherein, the ring network structure be by each power grid in the power grid it
Between be connected with each other composition；In the case where the judgment result is yes, by power generation level in the single back line set less than setting threshold
The corresponding single back line of power plant of value disconnects.
Optionally, the connection mode based on the transmission line of electricity between the power plant controls the short circuit current flow to further include：It obtains
Take the double-circuit line in the double-circuit line set；Current-limiting reactor is accessed on the double-circuit line；Utilize the series electrical
Anti- device controls the line parameter circuit value of the double-circuit line, wherein, the line parameter circuit value includes：Voltage, electric current and power；Based on institute
Control of the current-limiting reactor to the double loop is stated, controls the short circuit current flow.
Another aspect according to embodiments of the present invention, additionally provides a kind of short circuit current flow control device, including：It determines
Unit, for determining the power grid of extra-high intermediate pressure section to be accessed；Acquiring unit, for obtaining the transmission of electricity in the power grid between power plant
The connection mode of circuit, wherein, the connection mode of the transmission line of electricity in the power grid between power plant includes：Single back line, double back
Circuit；Control unit, for controlling short circuit current flow based on the connection mode of the transmission line of electricity between the power plant.
Optionally, the acquiring unit includes：First judgment module, for judging the transmission line of electricity between the power plant
Connection mode；Sort module classifies to the power plant for being based on judging result, obtains classification results, wherein, described point
Class result includes：Single back line set and double-circuit line set, the single back line set include：It is defeated between the power plant
The connection mode of electric line is single back line, and the double loop set includes：The connection side of transmission line of electricity between the power plant
Formula is double loop；First acquisition module, for obtaining the transmission line of electricity in the power grid between power plant based on the classification results
Connection mode.
Optionally, described control unit includes：Determining module, for determining that power generation level is low in the single back line set
In the power plant of given threshold；Second judgment module, for judging that power generation level is less than given threshold in the single back line set
Power plant whether belong to ring network structure, wherein, the ring network structure is by being connected with each other between each power grid in the power grid
Composition；Module is disconnected, in the case where the judgment result is yes, power generation level in the single back line set being less than setting
The corresponding single back line of power plant of threshold value disconnects.
Optionally, described control unit further includes：Second acquisition module, it is double in the double-circuit line set for obtaining
Loop line road；AM access module, for accessing current-limiting reactor on the double-circuit line；First control module, for described in utilization
Current-limiting reactor controls the line parameter circuit value of the double-circuit line, wherein, the line parameter circuit value includes：Voltage, electric current and power；
Second control module, for based on control of the current-limiting reactor to the double loop, controlling the short circuit current flow.
One side according to embodiments of the present invention, provides a kind of storage medium, and the storage medium includes storage
Program, wherein, described program performs the short circuit current flow control method described in above-mentioned any one.
One side according to embodiments of the present invention provides a kind of processor, and the processor is used for operation program,
In, described program performs the short circuit current flow control method described in above-mentioned any one when running.
In embodiments of the present invention, can by determine extra-high intermediate pressure section to be accessed power grid, obtain power grid in electric field it
Between transmission line of electricity connection mode, wherein, the connection mode of the transmission line of electricity in power grid between power plant can include：Single loop line
Road, double-circuit line, the connection mode control short circuit current flow based on the transmission line of electricity between power plant, so as to effectively reduce due to treating
Access the access of extra-high voltage in extra-high intermediate pressure section so that grid contact is even closer, and extra-high intermediate pressure section is accessed so as to cause the band
The exceeded numerical value of short circuit current level, realize the purpose of the tightness degree for the power grid for controlling extra-high voltage area to be accessed, reach
To the effect controlled the exceeded index of short circuit current flow in extra-high voltage to be accessed area, so solve in correlation technique by
So that grid contact is close in the access of extra-high voltage, be easy to cause grid short circuit and generate the technical issues of levels of current is exceeded, carry
User experience is risen.
Description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description does not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of short circuit current flow control method according to embodiments of the present invention；
Fig. 2 is the schematic diagram of short circuit current flow control device according to embodiments of the present invention；
Fig. 3 is the preferred schematic diagram of short circuit current flow control device according to embodiments of the present invention；
Fig. 4 is the preferred schematic diagram of short circuit current flow control device another according to embodiments of the present invention；And
Fig. 5 is the preferred schematic diagram of short circuit current flow control device another according to embodiments of the present invention.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, without being used to describe specific order or precedence.It should be appreciated that it so uses
Data can exchange in the appropriate case, so as to the embodiment of the present invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
For ease of description, the part noun or data that occur in the present invention are illustrated below：
Current-limiting reactor：Refer to generally be in series with capacitor group or closely packed capacitor, inhibit higher hamonic wave and limit
Inrush phenomenon processed prevents harmonic wave from the excessive amplification of mains by harmonics and resonance occurring.
According to embodiments of the present invention, a kind of embodiment of the method for short circuit current flow control method is provided, it is necessary to illustrate,
Step shown in the flowchart of the accompanying drawings can perform in the computer system of such as a group of computer-executable instructions, and
And although showing logical order in flow charts, in some cases, can institute be performed with the order being different from herein
The step of showing or describing.
Fig. 1 is the flow chart of short circuit current flow control method according to embodiments of the present invention, as shown in Figure 1, the short circuit current flow
Control method includes the following steps：
Step S102 determines the power grid of extra-high intermediate pressure section to be accessed.
Step S104 obtains the connection mode of the transmission line of electricity in power grid between power plant, wherein, in power grid between power plant
The connection mode of transmission line of electricity includes：Single back line, double-circuit line.
Step S106, the connection mode control short circuit current flow based on the transmission line of electricity between power plant.
By above-mentioned steps, it can realize the power grid of definite extra-high intermediate pressure section to be accessed, obtain in power grid between electric field
The connection mode of transmission line of electricity, wherein, the connection mode of the transmission line of electricity in power grid between power plant can include：Single back line,
Double-circuit line, the connection mode control short circuit current flow based on the transmission line of electricity between power plant, so as to effectively reduce due to waiting
Enter the access of extra-high voltage in extra-high intermediate pressure section so that grid contact is even closer, and extra-high intermediate pressure section is accessed so as to cause the band
The exceeded numerical value of short circuit current level realizes the purpose of the tightness degree for the power grid for controlling extra-high voltage area to be accessed, reaches
The effect that is controlled the exceeded index of short circuit current flow in extra-high voltage to be accessed area, so solve in correlation technique due to
The access of extra-high voltage so that grid contact is close, is easy to cause grid short circuit and generates the technical issues of levels of current is exceeded, is promoted
User experience.
In above-mentioned steps S102 into step S106, pass through the transmission line of electricity between the power grid to extra-high voltage region to be accessed
Connection mode studied, the connection mode based on the transmission line of electricity between power plant controls the excessive problem of short circuit current flow
System, so as to ensure the power grid of extra-high intermediate pressure section to be accessed access being capable of safe and stable operation after extra-high voltage.
Control to short circuit current flow excessive problem can access the defeated of extra-high intermediate pressure section from changing electric network composition and changing
The two aspects of the line parameter circuit value of electric line are started with, and are carried out specifically with reference to specific embodiment difference reconciliation two ways
It is bright.
On one side, it can lead to and change electric network composition to realize the control to short circuit current flow numerical value, obtain power plant in power grid
Between transmission line of electricity connection mode, it is necessary to sentence to each mode of connection between power plant and other power plant in power grid
It is disconnected, then, obtaining the connection mode of the transmission line of electricity in power grid between power plant can include：Judge the transmission line of electricity between power plant
Connection mode；Classified based on judging result to power plant, obtain classification results, wherein, classification results can include：Single time
Line set and double-circuit line set, single back line set include：The connection mode of transmission line of electricity between power plant is single time
Circuit, double loop set include：The connection mode of transmission line of electricity between power plant is double loop；Power grid is obtained based on classification results
The connection mode of transmission line of electricity between middle power plant.
Wherein, the connection mode control short circuit current flow based on the transmission line of electricity between power plant can include：Determine single loop line
Power generation level is less than the power plant of given threshold in the set of road；Judge that power generation level is less than the electricity of given threshold in single back line set
Whether factory belongs to ring network structure, wherein, ring network structure is formed by being connected with each other between each power grid in power grid；Judging to tie
In the case that fruit is is, the single back line corresponding less than the power plant of given threshold of power generation level in single back line set is disconnected.
For example, many power plant are had in the power grid in the region of extra-high voltage to be accessed, it is assumed that power plant 1, power plant 2, power plant 3, power plant 4 with
And power plant 5 belongs to above-mentioned power grid, if power plant 1 is connected with power plant 3, other power plant in power plant 1 and above-mentioned power grid it
Between connection mode be single back line, and the power plant 1 still belongs to the ring network structure being made of several power plant in above-mentioned power grid,
Further, the power generation level of above-mentioned power plant 1 is low compared with other power plant, so the power plant 1 can provide for above-mentioned power grid
Electric power it is relatively small, summary a variety of factors, then right it is contemplated that disconnect the transmission line of electricity between power plant 1 and power plant 3
In above-mentioned electric network composition other meet power plant that the power plant identical with the condition of power plant 1 can also use disconnection coupled it
Between transmission line of electricity, in this way, short circuit current flow can be surpassed to realize by changing electric network composition to a certain extent
The purpose that target index is controlled, and then can ensure that the power grid for accessing extra-high intermediate pressure section being capable of safe and stable operation.
Another aspect, can be by changing the line parameter circuit value for the transmission line of electricity for accessing extra-high intermediate pressure section come to short-circuit electricity
The exceeded numerical value of stream is controlled, and the connection mode control short circuit current flow based on the transmission line of electricity between power plant can also include：
Obtain the double-circuit line in double-circuit line set；Current-limiting reactor is accessed on double-circuit line；It is double using current-limiting reactor control
The line parameter circuit value on loop line road, wherein, line parameter circuit value includes：Voltage, electric current and power；Based on current-limiting reactor to double loop
Control controls short circuit current flow.For example, the connection mode of the transmission line of electricity between power plant 3 and power plant 5 in above-mentioned power grid is double back
Circuit, then it is contemplated that a current-limiting reactor is accessed between power plant 3 and power plant 5, it can be by the current-limiting reactor
When short circuit occurs in power grid between power plant 3 and power plant 5, short circuit current flow is reduced, the short of extra-high intermediate pressure section is accessed so as to reach control
The exceeded numerical value of road electric current so that short circuit current flow is in safe range, can be that short circuit current flow is reduced to from 64kA specifically
61kA, and then meet the requirement of above-mentioned power network safety operation.
In the preferred embodiment, a kind of short circuit current flow control device is additionally provided, it is necessary to which explanation, the application are implemented
The short circuit current flow control device of example can be used for performing that the embodiment of the present application provided for short circuit current flow control method.Below
Short circuit current flow control device provided by the embodiments of the present application is introduced.
Fig. 2 is the schematic diagram of short circuit current flow control device according to embodiments of the present invention, as shown in Fig. 2, the short circuit current flow
Control device includes：Determination unit 21, acquiring unit 23 and control unit 25.The short circuit current flow control device is carried out below
It is described in detail.
Determination unit 21, for determining the power grid of extra-high intermediate pressure section to be accessed.
Acquiring unit 23 is connected with above-mentioned determination unit 21, for obtaining the company of the transmission line of electricity in power grid between power plant
Mode is connect, wherein, the connection mode of the transmission line of electricity in power grid between power plant includes：Single back line, double-circuit line.
Control unit 25 is connected with above-mentioned acquiring unit 23, for the connection mode based on the transmission line of electricity between power plant
Control short circuit current flow.
Electromagnetic ultrasonic transducer control device provided in an embodiment of the present invention is determined to be accessed extra-high by determination unit 21
The power grid of intermediate pressure section；Acquiring unit 23 obtains the connection mode of the transmission line of electricity between power plant in power grid, wherein, power plant in power grid
Between the connection mode of transmission line of electricity include：Single back line, double-circuit line；Control unit 25 is based on the power transmission line between power plant
The connection mode control short circuit current flow on road.Reach what the exceeded index of short circuit current flow in extra-high voltage to be accessed area was controlled
Effect, and then solve in correlation technique since the access of extra-high voltage so that grid contact is close, it is easy to cause grid short circuit production
The technical issues of life levels of current is exceeded, improves user experience.
Fig. 3 is the preferred schematic diagram of short circuit current flow control device according to embodiments of the present invention, as shown in figure 3, the short circuit
Acquiring unit 23 includes in current control device：First judgment module 31,33 and first acquisition module 35 of sort module.Below
Acquiring unit 23 in the short circuit current flow control device is described in detail.
First judgment module 31, for judging the connection mode of the transmission line of electricity between power plant.
Sort module 33 with above-mentioned first judgment module 31, classifies to power plant for being based on judging result, obtains and divides
Class is as a result, wherein, classification results include：Single back line set and double-circuit line set, single back line set include：Power plant it
Between the connection mode of transmission line of electricity be single back line, double loop set includes：The connection mode of transmission line of electricity between power plant
It is double loop.
First acquisition module 35 is connected with above-mentioned sort module 33, for be based on classification results obtain power grid in power plant it
Between transmission line of electricity connection mode.
Fig. 4 is the preferred schematic diagram of short circuit current flow control device according to embodiments of the present invention, as shown in figure 4, the short circuit
Control unit 25 includes in current control device：Determining module 41, the second judgment module 43 and disconnection module 45.Below to this
Control unit 25 is described in detail in short circuit current flow control device.
Determining module 41, for determining that power generation level is less than the power plant of given threshold in single back line set.
Second judgment module 43 is connected with above-mentioned determining module 41, for judging that power generation level is low in single back line set
Whether belong to ring network structure in the power plant of given threshold, wherein, ring network structure is by mutually being interconnected between each power grid in power grid
Connect composition.
Module 45 is disconnected, is connected with above-mentioned second judgment module 43, in the case where the judgment result is yes, by single time
Power generation level single back line corresponding less than the power plant of given threshold disconnects in line set.
Fig. 5 is the preferred schematic diagram of short circuit current flow control device according to embodiments of the present invention, as shown in figure 5, the short circuit
Control unit 25 further includes in current control device：Second acquisition module 51, AM access module 53, the first control module 55 and
Two control modules 57.Control unit 25 in the short circuit current flow control device is further illustrated below.
Second acquisition module 51, for obtaining the double-circuit line in double-circuit line set.
AM access module 53, and above-mentioned second acquisition module 51, for accessing current-limiting reactor on double-circuit line.
First control module 55 is connected with above-mentioned AM access module 53, for utilizing current-limiting reactor control double-circuit line
Line parameter circuit value, wherein, line parameter circuit value includes：Voltage, electric current and power.
Second control module 57 is connected with above-mentioned first control module 55, for based on current-limiting reactor to double loop
Control controls short circuit current flow.
One side according to embodiments of the present invention provides a kind of storage medium, which includes the journey of storage
Sequence, wherein, above procedure performs above-mentioned any one short circuit current flow control method.
One side according to embodiments of the present invention provides a kind of processor, which is used for operation program,
In, above procedure performs above-mentioned any one short circuit current flow control method when running.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasize particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or
Person can assemble another system or some features can be ignored or does not perform.Another, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be by some interfaces, the INDIRECT COUPLING or communication of unit or module
Connection, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can be located at a place or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the present invention can be assembled in a processing unit, also may be used
To be that unit is individually physically present, can also two or more unit sets into a unit.Above-mentioned set
Into unit both may be employed hardware form realize, can also be realized in the form of SFU software functional unit.
If the unit assembled is realized in the form of SFU software functional unit and is independent production marketing or makes
Used time can be stored in a computer read/write memory medium.Based on such understanding, technical scheme essence
On all or part of the part that contributes in other words to the prior art or the technical solution can be with the shape of software product
Formula embodies, which is stored in a storage medium, is used including some instructions so that a calculating
Machine equipment (can be personal computer, server or network equipment etc.) performs the whole of each embodiment the method for the present invention
Or part steps.And foregoing storage medium includes：USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access
Memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of short circuit current flow control method, which is characterized in that including：
Determine the power grid of extra-high intermediate pressure section to be accessed；
The connection mode of the transmission line of electricity in the power grid between power plant is obtained, wherein, the transmission of electricity in the power grid between power plant
The connection mode of circuit includes：Single back line, double-circuit line；
Connection mode control short circuit current flow based on the transmission line of electricity between the power plant.
2. according to the method described in claim 1, it is characterized in that, obtain the transmission line of electricity described in the power grid between power plant
Connection mode include：
Judge the connection mode of the transmission line of electricity between the power plant；
Classified based on judging result to the power plant, obtain classification results, wherein, the classification results include：Single loop line
Road is gathered and double-circuit line set, the single back line set include：The connection mode of transmission line of electricity between the power plant
It is single back line, the double loop set includes：The connection mode of transmission line of electricity between the power plant is double loop；
The connection mode of the transmission line of electricity in the power grid between power plant is obtained based on the classification results.
3. the according to the method described in claim 2, it is characterized in that, connection mode based on the transmission line of electricity between the power plant
The short circuit current flow is controlled to include：
Determine that power generation level is less than the power plant of given threshold in the single back line set；
Judge whether power generation level belongs to ring network structure less than the power plant of given threshold in the single back line set, wherein, institute
Ring network structure is stated to be formed by being connected with each other between each power grid in the power grid；
In the case where the judgment result is yes, power plant of the power generation level in the single back line set less than given threshold is corresponded to
Single back line disconnect.
4. the according to the method described in claim 2, it is characterized in that, connection mode based on the transmission line of electricity between the power plant
The short circuit current flow is controlled to further include：
Obtain the double-circuit line in the double-circuit line set；
Current-limiting reactor is accessed on the double-circuit line；
The line parameter circuit value of the double-circuit line is controlled using the current-limiting reactor, wherein, the line parameter circuit value includes：Voltage,
Electric current and power；
Control based on the current-limiting reactor to the double loop controls the short circuit current flow.
5. a kind of short circuit current flow control device, which is characterized in that including：
Determination unit, for determining the power grid of extra-high intermediate pressure section to be accessed；
Acquiring unit, for obtaining the connection mode of the transmission line of electricity in the power grid between power plant, wherein, it is electric in the power grid
The connection mode of transmission line of electricity between factory includes：Single back line, double-circuit line；
Control unit, for controlling short circuit current flow based on the connection mode of the transmission line of electricity between the power plant.
6. device according to claim 5, which is characterized in that the acquiring unit includes：
First judgment module, for judging the connection mode of the transmission line of electricity between the power plant；
Sort module classifies to the power plant for being based on judging result, obtains classification results, wherein,
The classification results include：Single back line set and double-circuit line set, the single back line set include：
The connection mode of transmission line of electricity between the power plant is single back line, and the double loop set includes：The power plant it
Between the connection mode of transmission line of electricity be double loop；
First acquisition module, for obtaining the connection side of the transmission line of electricity in the power grid between power plant based on the classification results
Formula.
7. device according to claim 6, which is characterized in that described control unit includes：
Determining module, for determining that power generation level is less than the power plant of given threshold in the single back line set；
Second judgment module, for judging whether power generation level belongs to less than the power plant of given threshold in the single back line set
Ring network structure, wherein, the ring network structure is formed by being connected with each other between each power grid in the power grid；
Module is disconnected, in the case where the judgment result is yes, power generation level in the single back line set being less than setting
The corresponding single back line of power plant of threshold value disconnects.
8. device according to claim 6, which is characterized in that described control unit further includes：
Second acquisition module, for obtaining the double-circuit line in the double-circuit line set；
AM access module, for accessing current-limiting reactor on the double-circuit line；
First control module, for controlling the line parameter circuit value of the double-circuit line using the current-limiting reactor, wherein, the line
Road parameter includes：Voltage, electric current and power；
Second control module, for based on control of the current-limiting reactor to the double loop, controlling the short circuit current flow.
9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein, described program right of execution
Profit requires the short circuit current flow control method described in any one in 1 to 4.
10. a kind of processor, which is characterized in that the processor is used for operation program, wherein, right of execution when described program is run
Profit requires the short circuit current flow control method described in any one in 1 to 4.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6737837B1 (en) * | 2002-11-25 | 2004-05-18 | Abb Ab | Device and a method for control of power flow in a transmission line |
| CN105846422A (en) * | 2015-01-13 | 2016-08-10 | 国家电网公司 | Large-capacity power gird short-circuit current control measure optimization configuration method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6737837B1 (en) * | 2002-11-25 | 2004-05-18 | Abb Ab | Device and a method for control of power flow in a transmission line |
| CN105846422A (en) * | 2015-01-13 | 2016-08-10 | 国家电网公司 | Large-capacity power gird short-circuit current control measure optimization configuration method |
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