CN104682383B - Method and system for adjusting open loop point by remote automatic bus transfer devices - Google Patents
Method and system for adjusting open loop point by remote automatic bus transfer devices Download PDFInfo
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- CN104682383B CN104682383B CN201510050954.8A CN201510050954A CN104682383B CN 104682383 B CN104682383 B CN 104682383B CN 201510050954 A CN201510050954 A CN 201510050954A CN 104682383 B CN104682383 B CN 104682383B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012790 confirmation Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 abstract 1
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- 230000006837 decompression Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
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- H02J13/0013—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The invention provides a method and a system for adjusting an open loop point by remote automatic bus transfer devices. The method comprises the steps of detecting the real-time power of a main supply path by the remote automatic bus transfer device of a substation of a first transformer substation; judging whether the main supply path is overloaded or not according to the relationship between the real-time power and the limited power of the main supply path; if the main supply path is overloaded, sending the overload information and the overload power of the main supply path into the substation of the transformer substation at an open loop point by the remote automatic bus transfer device of the substation of the first transformer substation; comparing the overload power, the home station power and the limit load power of a spare supply path by the remote automatic bus transfer device of the substation of the transformer substation at the open loop point; if the overload power is smaller than the home station power and the home station power is smaller than the limit load power of the spare supply path, controlling the remote automatic bus transfer device of the substation of the transformer substation at the open loop point to close a switch of the spare supply path at the open loop point; after the set time of closing the switch of the spare supply path at the open loop point is delayed, opening a switch of the original main supply path of the substation of the transformer substation at the open loop point to form a new open loop point.
Description
Technical field
The present invention relates to technical field of electric power, the open loop point method of adjustment of more particularly to a kind of remote automatic bus transfer equipment and
System.
Background technology
In Operation of Electric Systems, it is that solution 110kV electrical networks can by the power supply of the multiple substation operations of the statements based on collusion of power supply all the way
By property, by a kind of system powered by the statements based on collusion transformer station automatic closing that 110kV remote automatic bus transfer equipments are constituted, Neng Goutong
The method that isolated fault step by step realizes that statements based on collusion transformer station automatic closing is powered is crossed, realizes statements based on collusion electrical network in main power supply failure
When maximum magnitude ground recover decompression transformer station and powered by stand-by power supply.In statements based on collusion electrical network, as main power supply typically only has
All the way, if supplied substation load increases simultaneously, main confession circuit is easy to overload, if now divided ring point is adjusted not in time
It is whole, easily cause main confession line tripping or equipment fault, have a strong impact on the power supply reliability of statements based on collusion electrical network.
The content of the invention
Based on this, it is necessary to for above-mentioned technical problem, there is provided a kind of open loop point method of adjustment of remote automatic bus transfer equipment
And system.
A kind of open loop point method of adjustment of remote automatic bus transfer equipment, comprises the steps：
The realtime power of its main confession route is detected by the first subsystem in substation remote automatic bus transfer equipment；According to described real-time
With the relation of the power limitation of main confession route, power judges whether the main confession route transships；
If the main confession route overload, by the remote automatic bus transfer equipment of the first subsystem in substation by its main confession route
Overload messages and overload power are sent to the subsystem in substation at open loop point；
Overload power, our station power and available circuit are limited by the remote automatic bus transfer equipment of the subsystem in substation of open loop point
Carry power to compare, judge whether to meet the overload power less than our station power and the our station power is limited less than available circuit
Carry power；
If the overload power is less than our station power and the our station power is less than available circuit limit for tonnage power, open loop is controlled
The remote automatic bus transfer equipment of the subsystem in substation at point closes the available line switching of open loop point；
After the setting time delay of the available line switching of the open loop point that closes, the original of the subsystem in substation at tripping open loop point is main
For line switching, a new open loop point is formed.
A kind of open loop point adjustment system of remote automatic bus transfer equipment, including：
Detection module, for the real-time work(of its main confession route is detected by the first subsystem in substation remote automatic bus transfer equipment
Rate；Judge whether the main confession route transships according to relation of the realtime power with the power limitation of main confession route；
Sending module, if transshipping for the main confession route, by the remote automatic bus transfer equipment of the first subsystem in substation
The overload messages and overload power of its main confession route are sent to into the subsystem in substation at open loop point；
Judge module, for the subsystem in substation by open loop point remote automatic bus transfer equipment by overload power, our station work(
Rate and available circuit limit for tonnage power compare, and judge whether that meeting the overload power is less than our station power and the our station power
Less than available circuit limit for tonnage power；
Control module, if for the overload power is less than our station power and the our station power is less than available circuit limit for tonnage
Power, the remote automatic bus transfer equipment for controlling the subsystem in substation at open loop point close the available line switching of open loop point；
Form module, for after the setting time delay of the available line switching of the open loop point that closes, the change at tripping open loop point
The former main confession line switching of power station substation, forms a new open loop point.
The open loop point method of adjustment of above-mentioned remote automatic bus transfer equipment and system, by the main confession for judging the first subsystem in substation
Whether route transships, and the overload messages and overload power of its main confession route are sent to the power transformation at open loop point according to judged result
Substation, and the remote automatic bus transfer equipment using the subsystem in substation at open loop point compares overload power, our station power and available
The relation of circuit limit for tonnage power, further carries out the adjustment of open loop point, can improve statements based on collusion with the point of the open loop in adjust automatically electrical network
The power supply reliability of electrical network.
Description of the drawings
Open loop point method of adjustment flow charts of the Fig. 1 for the remote automatic bus transfer equipment of one embodiment；
Subsystem in substation JA(junction ambient) schematic diagrams of the Fig. 2 for one embodiment；
Open loop point adjustment system structure diagrams of the Fig. 3 for the remote automatic bus transfer equipment of one embodiment.
Specific embodiment
The open loop point method of adjustment of remote automatic bus transfer equipment to the present invention and being embodied as system below in conjunction with the accompanying drawings
Mode is described in detail.
With reference to Fig. 1, Fig. 1 show the open loop point method of adjustment flow chart of the remote automatic bus transfer equipment of one embodiment, bag
Include following steps：
S10, detects the realtime power of its main confession route by the first subsystem in substation remote automatic bus transfer equipment；According to described
With the relation of the power limitation of main confession route, realtime power judges whether the main confession route transships；
In above-mentioned steps S10, can be by judging that realtime power and the magnitude relationship of the power limitation of main confession route enter one
Whether the disconnected main confession route of step transships.
S20, if main confession route overload, by the remote automatic bus transfer equipment of the first subsystem in substation by its Zhu Gong road
The overload messages and overload power of line are sent to the subsystem in substation at open loop point；
In above-mentioned steps S20, after above-mentioned main confession route overload, easily cause main confession line tripping or equipment fault, seriously
Affect the power supply reliability of statements based on collusion electrical network, it is therefore desirable to the open loop point of in time adjustment statements based on collusion electrical network, make the above-mentioned main confession route will not
There is the situation of long term overloading.
S30, by open loop point subsystem in substation remote automatic bus transfer equipment by overload power, our station power and available line
Road limit for tonnage power compares, and judges whether to meet the overload power less than our station power and the our station power is less than available line
Road limit for tonnage power；
S40, if the overload power is less than our station power and the our station power is less than available circuit limit for tonnage power, control
The remote automatic bus transfer equipment of the subsystem in substation at open loop point closes the available line switching of open loop point；
S50, after the setting time delay of the available line switching of the open loop point that closes, the subsystem in substation at tripping open loop point
Former main confession line switching, forms a new open loop point.
The open loop point method of adjustment of the remote automatic bus transfer equipment that the present embodiment is provided, by judging the first subsystem in substation
Whether main confession route transships, and the overload messages and overload power of its main confession route is sent at open loop point according to judged result
Subsystem in substation, and using the subsystem in substation at open loop point remote automatic bus transfer equipment compare overload power, our station power and
The relation of available circuit limit for tonnage power, further carries out the adjustment of open loop point, can be improved with the point of the open loop in adjust automatically electrical network
The power supply reliability of statements based on collusion electrical network.
In one embodiment, above-mentioned steps S10 can include：
The realtime power of its main confession route is detected by the first subsystem in substation remote automatic bus transfer equipment；According to described real-time
With the relation of the power limitation of main confession route, power judges whether the main confession route transships；
If the realtime power judges the main confession circuit overload of the substation more than the power limitation of main confession route.
In one embodiment, above-mentioned steps S20 can include：
If the main confession route overload, the remote automatic bus transfer equipment of the first subsystem in substation is by the mistake of its main confession route
Information carrying ceases and overload power is sent to the subsystem in substation at open loop point；If first subsystem in substation is located at open loop point,
Overload messages and overload power are no longer forwarded then.
In the present embodiment, if first subsystem in substation is located at open loop point, the first subsystem in substation is stated then to open
Subsystem in substation at circling point, without the need for again the overload messages and overload power of its main confession route are sent at other open loop points
Subsystem in substation.
In one embodiment, above-mentioned steps S40 can include：
The remote automatic bus transfer equipment of the subsystem in substation at open loop point is by overload power, our station power and available circuit limit for tonnage
Power compares, and overload power is designated as Pg, the our station power of the subsystem in substation at open loop point is designated as Pz, available circuit limit for tonnage
Power is designated as PxIf, Pg＜ Pz＜ Px, then the remote automatic bus transfer equipment for controlling the subsystem in substation at open loop point closes at open loop point
Subsystem in substation open loop point switch；
If Pg＜ PxBut Pg＞ Pz, then the overload messages and overload power are sent to and transformer station's at open loop point
The station internal power of the subsystem in substation is designated as P by the subsystem in substation at the non-open loop website of adjacent first that standz+1, with such
Push away, if n-th website that open loop website is started at, then its station internal power is designated as into Pz+n, when n-th subsystem in substation receives
When the overload messages and overload power of the main confession route of one subsystem in substation, then the remote automatic bus transfer equipment of the substation is by Pg、
Pz+n、PxRelatively, meet Pg＜ Pz+n＜ PxWhen, then n-th subsystem in substation is set to into the subsystem in substation at open loop point, and is controlled
The remote automatic bus transfer equipment of the subsystem in substation at open loop point processed closes the switch of the subsystem in substation open loop point at open loop point.
In one embodiment, above-mentioned steps S50 can include：
After the available line switching of the open loop point that closes, through setting time delay, the subsystem in substation at control open loop point
Remote automatic bus transfer equipment sends confirmation to former open loop point substation, and the remote automatic bus transfer equipment of former open loop point substation receives confirmation
Close the available line switching of our station afterwards, while send feedback information is to the subsystem in substation at open loop point, the change at open loop point
Power station substation receives feedback information, and tripping this station owner supplies line switching, forms a new open loop point.
In one embodiment, for the information according to each subsystem in substation point, calculate
Setting delay value, can specifically include：
As shown in Fig. 2 subsystem in substation C can be open loop point station, when the device of subsystem in substation A determines its main confession line
When passing by load, overload power is Pg, then subsystem in substation A is by overload messages and overload power PgSubsystem in substation B is sent to, is become
Power station substation B is by above-mentioned overload messages and overload power PgSend the subsystem in substation C at open loop point；Transformer station at open loop point
The remote automatic bus transfer equipment of substation C is by overload power Pg, this subsystem in substation power PzAnd available circuit limit for tonnage power PxCompare
Compared with working as Pg＜ Pz＜ PxWhen, then the main confession line side of the subsystem in substation C of new open loop point selection at open loop point.If Pg＜ Px
But Pg＞ PzWhen, then the subsystem in substation C at open loop point sends out overload messages and overload power PgSubsystem in substation B is given, its station internal strength
Rate can be designated as Pz+1, when subsystem in substation B receives the sent out overload messages of subsystem in substation C at open loop point and overload power Pg
When, then the subsystem in substation remote automatic bus transfer equipment is by Pg、Pz+1、PxRelatively, meet Pg＜ Pz+1＜ PxWhen, then open loop point selection
In the main confession line side of subsystem in substation B.Now subsystem in substation B sends the information for being selected as new open loop point to former open loop point
The remote automatic bus transfer equipment of the subsystem in substation C at place, the subsystem in substation C at open loop point closes the available line switching of our station,
Overload messages and overload power P are sent out simultaneouslygTo the subsystem in substation B at new open loop point, subsystem in substation B receives overload messages
And overload power PgAfter setting time delay, this station owner of tripping supplies line switching afterwards, forms a new open loop point.
By that analogy, if n-th website starting at of the subsystem in substation C at open loop point, then be identified as being designated as Pz+n, when
When n-th subsystem in substation receives the information that the subsystem in substation C at open loop point sends, then a distant place for the subsystem in substation is standby certainly
Device is thrown by Pg、Pz+n、PxRelatively, meet Pg＜ Pz+n＜ PxWhen, then open loop point can be selected in the main confession line side of our station.
For the quantity of statements based on collusion subsystem in substation is more than 4 or selects in other any one transformer stations as statements based on collusion side
The open loop point of formula, can be adjusted by the open loop of above-mentioned remote automatic bus transfer equipment point method of adjustment.
With reference to Fig. 3, Fig. 3 show the open loop point adjustment system structure of the remote automatic bus transfer equipment of one embodiment and illustrates
Figure, including：
Detection module 10, for the real-time work(of its main confession route is detected by the first subsystem in substation remote automatic bus transfer equipment
Rate；Judge whether the main confession route transships according to relation of the realtime power with the power limitation of main confession route；
Sending module 20, if transshipping for the main confession route, is filled by the remote spare power source automatic transfer of the first subsystem in substation
Put and the overload messages and overload power of its main confession route are sent to into the subsystem in substation at open loop point；
Judge module 30, for the subsystem in substation by open loop point remote automatic bus transfer equipment by overload power, our station
Power and available circuit limit for tonnage power compare, and judge whether that meeting the overload power is less than our station power and the our station work(
Rate is less than available circuit limit for tonnage power；
Control module 40, if for the overload power is less than our station power and the our station power is limited less than available circuit
Power is carried, the remote automatic bus transfer equipment for controlling the subsystem in substation at open loop point closes the available line switching of open loop point；
Module 50 is formed, for after the setting time delay of the available line switching of the open loop point that closes, at tripping open loop point
The former main confession line switching of subsystem in substation, forms a new open loop point.
In one embodiment, above-mentioned detection module 10 can be further used for：
The realtime power of its main confession route is detected by the first subsystem in substation remote automatic bus transfer equipment；According to described real-time
With the relation of the power limitation of main confession route, power judges whether the main confession route transships；
If the realtime power judges the main confession circuit overload of the substation more than the power limitation of main confession route.
In one embodiment, above-mentioned sending module 20 can be further used for：
If the main confession route overload, the remote automatic bus transfer equipment of the first subsystem in substation is by the mistake of its main confession route
Information carrying ceases and overload power is sent to the subsystem in substation at open loop point；If first subsystem in substation is located at open loop point,
Overload messages and overload power are no longer forwarded then.
In one embodiment, above-mentioned control module 40 can be further used for：
The remote automatic bus transfer equipment of the subsystem in substation at open loop point is by overload power, our station power and available circuit limit for tonnage
Power compares, and overload power is designated as Pg, the our station power of the subsystem in substation at open loop point is designated as Pz, available circuit limit for tonnage
Power is designated as PxIf, Pg＜ Pz＜ Px, then the remote automatic bus transfer equipment for controlling the subsystem in substation at open loop point closes at open loop point
Subsystem in substation open loop point switch；
If Pg＜ PxBut Pg＞ Pz, then the overload messages and overload power are sent to and transformer station's at open loop point
The station internal power of the subsystem in substation is designated as P by the subsystem in substation at the non-open loop website of adjacent first that standz+1, with such
Push away, if n-th website that open loop website is started at, then its station internal power is designated as into Pz+n, when n-th subsystem in substation receives
When the overload messages and overload power of the main confession route of one subsystem in substation, then the remote automatic bus transfer equipment of the substation is by Pg、
Pz+n、PxRelatively, meet Pg＜ Pz+n＜ PxWhen, then n-th subsystem in substation is set to into the subsystem in substation at open loop point, and is controlled
The remote automatic bus transfer equipment of the subsystem in substation at open loop point processed closes the switch of the subsystem in substation open loop point at open loop point.
In one embodiment, above-mentioned formation module 50 can be further used for：
After the available line switching of the open loop point that closes, through setting time delay, the subsystem in substation at control open loop point
Remote automatic bus transfer equipment sends confirmation to former open loop point substation, and the remote automatic bus transfer equipment of former open loop point substation receives confirmation
Close the available line switching of our station afterwards, while send feedback information is to the subsystem in substation at open loop point, the change at open loop point
Power station substation receives feedback information, and tripping this station owner supplies line switching, forms a new open loop point.
The open loop point adjustment system of the remote automatic bus transfer equipment of the present invention and the open loop of the remote automatic bus transfer equipment of the present invention
Point method of adjustment is corresponded, in the technical characteristic that the embodiment of the open loop point method of adjustment of above-mentioned remote automatic bus transfer equipment is illustrated
And its advantage is hereby give notice that suitable for the embodiment of the open loop point adjustment system of remote automatic bus transfer equipment.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (8)
1. the open loop point method of adjustment of a kind of remote automatic bus transfer equipment, it is characterised in that comprise the steps：
The realtime power of its main confession route is detected by the first subsystem in substation remote automatic bus transfer equipment；According to the realtime power
Judge whether the main confession route transships with the relation of the power limitation of main confession route；
If the main confession route overload, by the remote automatic bus transfer equipment of the first subsystem in substation by the overload of its main confession route
Information and overload power are sent to the subsystem in substation at open loop point；
By open loop point subsystem in substation remote automatic bus transfer equipment by overload power, our station power and available circuit limit for tonnage work(
Rate compares, and judges whether to meet the overload power less than our station power and the our station power is less than available circuit limit for tonnage work(
Rate；
If the overload power is less than our station power and the our station power is less than available circuit limit for tonnage power, at control open loop point
The remote automatic bus transfer equipment of subsystem in substation close the available line switching of open loop point；If the overload power is less than this
Power and the our station power stand less than available circuit limit for tonnage power, the remote spare power source automatic transfer of the subsystem in substation at open loop point is controlled
Device close the subsystem in substation open loop point at open loop point switch the step of include：
The remote automatic bus transfer equipment of the subsystem in substation at open loop point is by overload power, our station power and available circuit limit for tonnage power
Compare, overload power is designated as into Pg, the our station power of the subsystem in substation at open loop point is designated as Pz, available circuit limit for tonnage power
It is designated as PxIf, Pg＜ Pz＜ Px, then the remote automatic bus transfer equipment for controlling the subsystem in substation at open loop point closes the change at open loop point
The switch of power station substation open loop point；
If Pg＜ PxBut Pg＞ Pz, then the overload messages and overload power are sent to adjacent with the subsystem in substation at open loop point
First non-open loop website at subsystem in substation, the station internal power of the subsystem in substation is designated as into Pz+1, by that analogy, if
It is n-th website that open loop website is started at, then its station internal power is designated as into Pz+n, when n-th subsystem in substation receives the first power transformation
When the overload messages and overload power of the main confession route of substation, then the remote automatic bus transfer equipment of the substation is by Pg、Pz+n、PxThan
Compared with meeting Pg＜ Pz+n＜ PxWhen, then n-th subsystem in substation is set to into the subsystem in substation at open loop point, and controls open loop point
The remote automatic bus transfer equipment of the subsystem in substation at place closes the switch of the subsystem in substation open loop point at open loop point；
After the setting time delay of the available line switching of the open loop point that closes, the former main confession line of the subsystem in substation at tripping open loop point
Way switch, forms a new open loop point.
2. the open loop point method of adjustment of remote automatic bus transfer equipment according to claim 1, it is characterised in that described to pass through
One subsystem in substation remote automatic bus transfer equipment detects the realtime power of its main confession route；According to the realtime power and main confession route
The relation of power limitation judge that the step of whether main confession route transships includes：
The realtime power of its main confession route is detected by the first subsystem in substation remote automatic bus transfer equipment；According to the realtime power
Judge whether the main confession route transships with the relation of the power limitation of main confession route；
If the realtime power judges the main confession circuit overload of the substation more than the power limitation of main confession route.
3. the open loop point method of adjustment of remote automatic bus transfer equipment according to claim 1, it is characterised in that if described
The overload messages and overload power of its main confession route are sent out by main confession route overload, the remote automatic bus transfer equipment of the first subsystem in substation
The step of giving the subsystem in substation at open loop point includes：
If the main confession route overload, the remote automatic bus transfer equipment of the first subsystem in substation is by the mistake information carrying of its main confession route
Breath and overload power are sent to the subsystem in substation at open loop point；If first subsystem in substation is located at open loop point, no
Overload messages and overload power are forwarded again.
4. the open loop point method of adjustment of remote automatic bus transfer equipment according to claim 1, it is characterised in that in setting time delay
The former main confession line switching of the subsystem in substation at tripping open loop point afterwards, includes the step of form a new open loop point：
After the available line switching of the open loop point that closes, through setting time delay, a distant place for the subsystem in substation at open loop point is controlled
Backup auto-activating device sends confirmation to former open loop point substation, and the remote automatic bus transfer equipment of former open loop point substation is closed after receiving confirmation
The available line switching of upper our station, while send feedback information is to the subsystem in substation at open loop point, the transformer station at open loop point
Substation receives feedback information, and tripping this station owner supplies line switching, forms a new open loop point.
5. a kind of open loop point of remote automatic bus transfer equipment adjusts system, it is characterised in that include：
Detection module, for the realtime power of its main confession route is detected by the first subsystem in substation remote automatic bus transfer equipment；Root
Judge whether the main confession route transships according to relation of the realtime power with the power limitation of main confession route；
Sending module, if transshipping for the main confession route, by the remote automatic bus transfer equipment of the first subsystem in substation by its
The overload messages and overload power of main confession route are sent to the subsystem in substation at open loop point；
Judge module, for the subsystem in substation by open loop point remote automatic bus transfer equipment by overload power, our station power and
Available circuit limit for tonnage power compares, and judges whether to meet the overload power less than our station power and the our station power is less than
Available circuit limit for tonnage power；
Control module, if for the overload power is less than our station power and the our station power is less than available circuit limit for tonnage work(
Rate, the remote automatic bus transfer equipment for controlling the subsystem in substation at open loop point are closed the available line switching of open loop point；The control
Module is further used for：
The remote automatic bus transfer equipment of the subsystem in substation at open loop point is by overload power, our station power and available circuit limit for tonnage power
Compare, overload power is designated as into Pg, the our station power of the subsystem in substation at open loop point is designated as Pz, available circuit limit for tonnage power
It is designated as PxIf, Pg＜ Pz＜ Px, then the remote automatic bus transfer equipment for controlling the subsystem in substation at open loop point closes the change at open loop point
The switch of power station substation open loop point；
If Pg＜ PxBut Pg＞ Pz, then the overload messages and overload power are sent to adjacent with the subsystem in substation at open loop point
First non-open loop website at subsystem in substation, the station internal power of the subsystem in substation is designated as into Pz+1, by that analogy, if
It is n-th website that open loop website is started at, then its station internal power is designated as into Pz+n, when n-th subsystem in substation receives the first power transformation
When the overload messages and overload power of the main confession route of substation, then the remote automatic bus transfer equipment of the substation is by Pg、Pz+n、PxThan
Compared with meeting Pg＜ Pz+n＜ PxWhen, then n-th subsystem in substation is set to into the subsystem in substation at open loop point, and controls open loop point
The remote automatic bus transfer equipment of the subsystem in substation at place closes the switch of the subsystem in substation open loop point at open loop point；
Form module, for after the setting time delay of the available line switching of the open loop point that closes, the transformer station at tripping open loop point
The former main confession line switching of substation, forms a new open loop point.
6. the open loop point of remote automatic bus transfer equipment according to claim 5 adjusts system, it is characterised in that the detection mould
Block is further used for：
The realtime power of its main confession route is detected by the first subsystem in substation remote automatic bus transfer equipment；According to the realtime power
Judge whether the main confession route transships with the relation of the power limitation of main confession route；
If the realtime power judges the main confession circuit overload of the substation more than the power limitation of main confession route.
7. the open loop point of remote automatic bus transfer equipment according to claim 5 adjusts system, it is characterised in that the transmission mould
Block is further used for：
If the main confession route overload, the remote automatic bus transfer equipment of the first subsystem in substation is by the mistake information carrying of its main confession route
Breath and overload power are sent to the subsystem in substation at open loop point；If first subsystem in substation is located at open loop point, no
Overload messages and overload power are forwarded again.
8. the open loop point of remote automatic bus transfer equipment according to claim 5 adjusts system, it is characterised in that the formation mould
Block is further used for：
After the available line switching of the open loop point that closes, through setting time delay, a distant place for the subsystem in substation at open loop point is controlled
Backup auto-activating device sends confirmation to former open loop point substation, and the remote automatic bus transfer equipment of former open loop point substation is closed after receiving confirmation
The available line switching of upper our station, while send feedback information is to the subsystem in substation at open loop point, the transformer station at open loop point
Substation receives feedback information, and tripping this station owner supplies line switching, forms a new open loop point.
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| CN106712274B (en) * | 2016-12-14 | 2019-03-29 | 广东电网有限责任公司电力调度控制中心 | The accurate cutting load method of element overload is eliminated after a kind of movement of remote spare power source automatic transfer |
| CN111900803A (en) * | 2020-08-07 | 2020-11-06 | 国网湖北省电力有限公司荆门供电公司 | Recursive remote backup power automatic switching method and device based on GOOSE communication |
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| CN201274417Y (en) * | 2008-08-19 | 2009-07-15 | 衡水供电公司 | Locking remote self-start apparatus for electric grid |
| CN102738891A (en) * | 2012-07-03 | 2012-10-17 | 国电南瑞科技股份有限公司 | Wide-area spare power automatic switching logic unified expression method and after-operation overload processing method |
| CN103607038B (en) * | 2013-11-25 | 2015-06-24 | 广东电网公司电力调度控制中心 | Method for implementing serial power supplying of multistage spare power automatic switching devices in power grid |
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