CN110504683A - The control method and control system of grid switching operation - Google Patents
The control method and control system of grid switching operation Download PDFInfo
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- CN110504683A CN110504683A CN201910769242.XA CN201910769242A CN110504683A CN 110504683 A CN110504683 A CN 110504683A CN 201910769242 A CN201910769242 A CN 201910769242A CN 110504683 A CN110504683 A CN 110504683A
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Abstract
The embodiment of the present invention provides a kind of control system of grid switching operation, which includes: data acquisition device, for obtaining the switching command of grid switching operation, switching command switch between inlet wire or inlet wire and mother between switch；Logging-controlling apparatus used in situ, it is connect with data acquisition device, for in the case where electric system meets grid switching operation condition, starting parallel connection is cut fastly, the switching command of the grid switching operation got according to data acquisition device sends the reclosing command for being directed to object to be run, and sends the separating brake instruction for object to be mediated；And fast switching device, it is connect with logging-controlling apparatus used in situ, feed motion is executed according to the reclosing command for object to be run that logging-controlling apparatus used in situ is sent, execute separating brake movement according to the separating brake instruction for object to be mediated is automatic.The time of system paired running when can reduce grid switching operation by the control method, avoid in traditional grid switching operation that cyclization is more and the operating time it is upper brought by risk.
Description
Technical field
The present invention relates to electric switching operations, more particularly to the control method and control system of grid switching operation.
Background technique
In traditional back brake mode, when carrying out method of operation adjustment to 35kV or less system, system need to be placed in fortune arranged side by side
Row state, and 35kV and above system must be carried out to cyclization one by one before being placed in paired running state, side to be run
35kV and above system are unlinked one by one again after system sectionalizing after formula adjusts.
1. in traditional grid switching operation mode, due to more than closing the ring point and being related to multiple substations, the operating time is long, existing
The personnel amount of confirmation equipment state is more, wastes a large amount of manpower, and personnel are also because of long-time operation, under the state of mind
It is sliding, it is possible to maloperation occur.
If short circuit current is larger at this time 2. breaking down during grid switching operation, the energy of part breaker breaking current
Power can not disengagement failure electric current, when such as 35kV bus-bar fault, short circuit current numerical value has reached 41kA, far beyond breaker sheet
The breaking capacity (31.5kA) of body, meanwhile, the voltage of faulty line is reduced to 0V substantially, has substantially dragged down the system electricity of nearby lines
Pressure causes 10kV and 0.4kV sub-load protection act or the decompression tripping of the system of closing on.
Summary of the invention
The purpose of the embodiment of the present invention is that the control method and control system of a kind of grid switching operation are provided, wherein passing through the control
The time of system paired running when method processed can reduce grid switching operation, when avoiding more cyclization in traditional grid switching operation and operation
Between it is upper brought by risk.
To achieve the goals above, the embodiment of the present invention provides a kind of control system of grid switching operation, the grid switching operation
Control system include:
Data acquisition device, for obtaining the switching command of grid switching operation, wherein the switching command switches between inlet wire
Or switch between inlet wire and mother；
Logging-controlling apparatus used in situ is connect with the data acquisition device, for meeting grid switching operation condition in electric system
In the case of, starting parallel connection is cut fastly, and the switching command of the grid switching operation got according to the data acquisition device sends needle
The reclosing command of operation object is treated, and sends the separating brake instruction for object to be mediated；And
Fast switching device is connect with the logging-controlling apparatus used in situ, for according to the logging-controlling apparatus used in situ send for
The reclosing command for running object executes feed motion, the separating brake for object to be mediated sent according to the logging-controlling apparatus used in situ
Instruction is automatic to execute separating brake movement.
Optionally, switching includes one of following person between the inlet wire: operation inlet wire 1 simultaneously mediates inlet wire 2 or operation inlet wire 2 simultaneously
Mediate inlet wire 1；
Switching includes one of following person between the inlet wire and mother: operation inlet wire simultaneously mediates mother or operation mother and mediates
Inlet wire.
Optionally, the system further include:
Detection device, for detecting whether electric system meets grid switching operation condition, and will test result be sent to it is described
Logging-controlling apparatus used in situ.
Optionally, the grid switching operation condition includes:
Under the current method of operation operation part and inoperative part respectively with object to be mediated described in the switching command
Match with the object to be run；
The change-over switch of the fast switching device is connected to object's position to be run in the switching command of the grid switching operation；
The switching position of the fast switching device is remote location；And
The series/parallel switching position connection of fast switching device switching position most in parallel.
Optionally, the logging-controlling apparatus used in situ is also used in the ungratified feelings of any one of described grid switching operation condition condition
Under condition, terminate switching control operation.
Optionally, after the fast switching device executes feed motion according to the reclosing command for wait run object,
The fast switching device is also used to execute following operation:
Detect whether the fast switching device succeeds according to the feed motion that the reclosing command for object to be run executes；
Wherein, in the case where closing success, separating brake is executed according to the separating brake instruction for object to be mediated is automatic
Movement；
In the case where closing a floodgate failure, terminate handover operation.
The embodiment of the present invention also provides a kind of control method of grid switching operation, and the control method of the grid switching operation includes:
Obtain grid switching operation switching command, wherein the switching command switch between inlet wire or inlet wire and mother between cut
It changes；
In the case where electric system meets grid switching operation condition, starting parallel connection is cut fastly, according to cutting for the grid switching operation
It changes instruction and sends the reclosing command for being directed to object to be run, and transmission is instructed for the separating brake of object to be mediated；And
Feed motion is executed according to the reclosing command for object to be run, according to described for object to be mediated
Separating brake instruction is automatic to execute separating brake movement.
Optionally, switching includes one of following person between the inlet wire: operation inlet wire 1 simultaneously mediates inlet wire 2 or operation inlet wire 2 simultaneously
Mediate inlet wire 1；
Switching includes one of following person between the inlet wire and mother: operation inlet wire simultaneously mediates mother or operation mother and mediates
Inlet wire.
Optionally, this method further include:
Whether detection electric system in advance meets grid switching operation condition.
Optionally, the grid switching operation condition that meets includes:
Under the current method of operation operation part and inoperative part respectively with object to be mediated described in institute's switching command and
The object to be run matches；
The change-over switch of fast switching device is connected to object's position to be run in the switching command of the grid switching operation；
Transposition is set to remote location earnestly fastly；And
The series/parallel switching position connection of fast switching device switching position most in parallel.
Optionally, the control method of the grid switching operation further include:
In the ungratified situation of any one of described grid switching operation condition condition, terminate switching control operation.
Optionally, after executing feed motion according to the reclosing command for wait run object, the grid switching operation
Control method further include:
Whether detection fast switching device succeeds according to the feed motion that the reclosing command for object to be run executes；
Wherein, in the case where closing success, separating brake is executed according to the separating brake instruction for object to be mediated is automatic
Movement；
In the case where closing a floodgate failure, terminate handover operation.
Through the above technical solutions, start switching in parallel in the case where electric system meets grid switching operation condition, according to
The switching command of grid switching operation sends the reclosing command for object to be run and the separating brake for object to be mediated instructs, into
One step the reclosing command that is sent according to logging-controlling apparatus used in situ of fast switching device and separating brake instruction execute corresponding close a floodgate respectively
Movement and separating brake movement are to complete grid switching operation.When can reduce grid switching operation by the control method system paired running when
Between, avoid in traditional grid switching operation that cyclization is more and the operating time it is upper brought by risk.
The other feature and advantage of the embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is the control system architecture schematic diagram of grid switching operation provided in an embodiment of the present invention；
Fig. 2 is the connection schematic diagram of logging-controlling apparatus used in situ and fast switching device provided in an embodiment of the present invention；
Fig. 3 is the control flow schematic diagram switched between inlet wire provided in an embodiment of the present invention；
Fig. 4 is the control flow schematic diagram switched between inlet wire provided in an embodiment of the present invention and mother.
Description of symbols
10 data acquisition device, 20 logging-controlling apparatus used in situ
30 fast switching devices
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this
Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
The embodiment of the present invention provides a kind of control system of grid switching operation, and Fig. 1 shows the control system of grid switching operation
Structural schematic diagram, as shown in Figure 1, the control system may include: data acquisition device 10, logging-controlling apparatus used in situ 20 and cut fastly
Device 30, wherein the data acquisition device 10 obtains the switching command for the grid switching operation that electrical monitoring system is sent, and wherein this is cut
Instruction is changed to switch between switching or inlet wire and mother between inlet wire.The logging-controlling apparatus used in situ 20 is connect with data acquisition device 10,
Middle logging-controlling apparatus used in situ 20 starts switching in parallel in the case where determining that electric system the present situation meets grid switching operation condition,
The switching command of the grid switching operation got according to data acquisition device 10 sends the reclosing command for being directed to object to be run, and
For the separating brake instruction of object to be mediated.The fast switching device 30 is connect with the logging-controlling apparatus used in situ 20, for being surveyed according to the scene
Control device 20 send switching command execute corresponding operating, specifically, according to the logging-controlling apparatus used in situ 20 send for
The reclosing command for running object executes feed motion, point for object to be mediated sent according to the logging-controlling apparatus used in situ 20
Lock instruction is automatic to execute separating brake movement.
Switching includes one of following person between the inlet wire: operation inlet wire 1 and mediate inlet wire 2 or operation inlet wire 2 and mediate into
Line 1；Switching includes one of following person between the inlet wire and mother: operation inlet wire and mediate mother or operation mother and mediate into
Line.The grid switching operation condition includes: to be run partially under the current method of operation with inoperative part respectively and in the switching command
The object to be mediated and the object to be run match；The change-over switch of the fast switching device is connected to the grid switching operation
Switching command in object's position to be run；The switching position of the fast switching device is remote location；And the fast switching device
Series/parallel switching position connection switching position most in parallel.In the inspection for whether meeting grid switching operation condition for electric system
During survey, in the ungratified situation of any of the above-described condition, it is dynamic which controls grid switching operation switching
Work terminates.
The device can also include detection device 40, for detecting whether electric system meets grid switching operation condition, and will
Testing result is sent to the logging-controlling apparatus used in situ.By detecting whether electric system meets grid switching operation condition in advance, with true
Grid switching operation is protected to execute safely.The logging-controlling apparatus used in situ 20 receives the testing result of the detection device, is determining electric system symbol
In the case where closing grid switching operation condition, start switching in parallel.
To guarantee that electric system persistently operates normally, which treats operation object first and carries out closing operation,
And after determining closing operation success, then treats and mediate object progress sub-switching operation, but by above-mentioned combined floodgate and separating brake institute
The switch speed of the switching action of completion is ms rank, and the system paired running time is very short, one by one without superior system inlet wire
Cyclization avoids the more brought risks of cyclization point in grid switching operation.
Fig. 2 shows the connection schematic diagrams of logging-controlling apparatus used in situ provided in an embodiment of the present invention and fast switching device, such as Fig. 4 institute
Show, intermediate need to realize that electrical monitoring system is to survey using measure and control device inlet wire to realize that handoff functionality in parallel is cut in long-range starting fastly
After controlling device sending method of operation adjustment order, measure and control device cuts handoff functionality in parallel by exporting to start fastly, and detection device is also
Series/parallel switching position, the 1/ mother position of change-over switch inlet wire of fast switching device, fast switching device of fast switching device must be acquired
2/ mother position of change-over switch inlet wire, 1/ inlet wire of change-over switch inlet wire, 2 position of fast switching device, fast switching device switching position
It whether is remote location.
Embodiment 1
Fig. 3 shows the control flow schematic diagram switched between inlet wire provided in an embodiment of the present invention, as shown in figure 3, inlet wire 1
The control flow of operation switching between inlet wire 2 is as follows:
S101: electrical monitoring system, which issues, to be closed inlet wire 1, divides the adjustment order of inlet wire 2；
S102: the current method of operation of 40 detection system of detection device is the operation of inlet wire 2, and inlet wire 1 has a power failure, mother operation, In
S103 is executed in the case where meeting the condition, otherwise executes S110；
S103: the change-over switch that detection device 40 detects fast switching device is connected to 1/ inlet wire of inlet wire, 2 position, is meeting this
S104 is executed in the case where part, otherwise executes S110；
S104: the switching position that detection device 40 detects fast switching device is connected to remote location, in the feelings for meeting the condition
S105 is executed under condition, otherwise executes S110；
S105: the series/parallel switching position that detection device 40 detects fast switching device is connected to switching position in parallel, full
S106 is executed in the case where the foot condition, otherwise executes S110；
S106: in the case where meeting all conditions, measure and control device, which is sent, to be closed inlet wire 1, inlet wire 2 is divided to instruct；
S107: fast switching device carries out closing operation to inlet wire 1；
S108: fast switching device is determined to the success of 1 closing operation of inlet wire, and S109 is executed in the case where meeting the condition, no
Then execute S110；
S109: fast switching device carries out sub-switching operation to inlet wire 2；
S110: operation terminates, or terminates because abnormal conditions occurs in handoff procedure.
The embodiment of the present invention also provides a kind of control method of grid switching operation, and specifically this method includes obtaining electric monitoring
System send grid switching operation switching command, wherein the switching command switch between inlet wire or inlet wire and mother between switch.In
After getting the switching command of the grid switching operation, whether detection electric system the present situation meets grid switching operation condition, to ensure
Grid switching operation executes safely.Wherein in the case where electric system the present situation meets grid switching operation condition, start switching in parallel,
The reclosing command for being directed to object to be run is sent according to the switching command of the grid switching operation got, and for object to be mediated
Separating brake instruction.Corresponding operating is executed according to the switching command of transmission, specifically, is sent according to the logging-controlling apparatus used in situ 20
Execute feed motion for the reclosing command of object to be run, according to the logging-controlling apparatus used in situ 20 send for wait mediate pair
The separating brake instruction of elephant is automatic to execute separating brake movement.
Switching includes one of following person between the inlet wire: operation inlet wire 1 and mediate inlet wire 2 or operation inlet wire 2 and mediate into
Line 1；Switching includes one of following person between the inlet wire and mother: operation inlet wire and mediate mother or operation mother and mediate into
Line.The grid switching operation condition includes: to be run partially under the current method of operation with inoperative part respectively and in the switching command
The object to be mediated and the object to be run match；The change-over switch of the fast switching device is connected to the grid switching operation
Switching command in object's position to be run；The switching position of the fast switching device is remote location；And the fast switching device
Series/parallel switching position connection switching position most in parallel.In the inspection for whether meeting grid switching operation condition for electric system
During survey, in the ungratified situation of any of the above-described condition, controlling the grid switching operation switching action terminates.
To guarantee that electric system persistently operates normally, operation object is treated first and carries out closing operation, and should determining
After closing operation success, then treats and mediate object progress sub-switching operation, but since the switching that above-mentioned combined floodgate and separating brake are completed is dynamic
The switch speed of work is ms rank, and the system paired running time is very short, is not necessarily to the cyclization one by one of superior system inlet wire, avoids down
The more brought risks of cyclization point in lock operation.
Embodiment 2
Fig. 4 shows the control flow schematic diagram switched between inlet wire provided in an embodiment of the present invention and mother, such as Fig. 4 institute
Show, the control flow of the operation switching between inlet wire and mother is as follows:
S201: electrical monitoring system, which issues, closes inlet wire 2, the whole order of denominator joint debugging；
S202: the current method of operation of 40 detection system of detection device is mother operation, and inlet wire 2 has a power failure, and inlet wire 1 is run, In
S203 is executed in the case where meeting the condition, otherwise executes S210；
S203: the change-over switch that detection device 40 detects fast switching device is connected to inlet wire/mother position, is meeting the condition
In the case where execute S204, otherwise execute S210；
S204: the switching position that detection device 40 detects fast switching device is connected to remote location, in the feelings for meeting the condition
S205 is executed under condition, otherwise executes S210；
S205: the series/parallel switching position that detection device 40 detects fast switching device is connected to switching position in parallel, full
S206 is executed in the case where the foot condition, otherwise executes S210；
S206: in the case where meeting all conditions, logging-controlling apparatus used in situ 20, which issues, closes inlet wire 2, denominator connection order；
S207: fast switching device carries out closing operation to inlet wire 2；
S208: fast switching device is determined to the success of 2 closing operation of inlet wire, and S209 is executed in the case where meeting the condition, no
Then execute S210；
S209: fast switching device carries out sub-switching operation to inlet wire 1；
S210: operation terminates, or terminates because abnormal conditions occurs in handoff procedure.
It can be further improved safety of electric system during grid switching operation through the above technical solution, substantially subtract
The time of few grid switching operation, operator's quantity is reduced, is needed in all voltage class of coal oil project (0.4kV to 330kV system
System) fast switching device is added, and the manual grid switching operation function of fast switching device is opened, thoroughly solve grid switching operation cyclization point mostly and the time
Risk brought by long.Meanwhile to further increase the Efficiency of Switching Operation, the complexity of multilevel system grid switching operation is reduced, is divided
Not Cai Yong distant place man-machine interface normalizing operation and human-computer interface control disk on the spot, pass through intelligent terminal and control fast switching device
Series and parallel handoff functionality, simplify grid switching operation sequencing, cut the grid switching operation time fastly at this time and can be compressed to millisecond for every grade
Grade, the time of multistage grid switching operation is compressible to significantly reduce the time arranged side by side of system in minute grade, avoidance system for a long time at
When paired running state, short-circuit current is excessive and generation the case where damaging breaker, " sequencing " grid switching operation, substantially
Grid switching operation difficulty is reduced, accident odds is reduced.
The optional embodiment of the embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously
The detail being not limited in above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair
No further explanation will be given for various combinations of possible ways.
It will be appreciated by those skilled in the art that implementing the method for the above embodiments is that can pass through
Program is completed to instruct relevant hardware, which is stored in a storage medium, including some instructions are used so that single
Piece machine, chip or processor (processor) execute all or part of the steps of each embodiment the method for the application.And it is preceding
The storage medium stated includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), magnetic or disk.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.
Claims (12)
1. a kind of control system of grid switching operation, which is characterized in that the control system of the grid switching operation includes:
Data acquisition device, for obtaining the switching command of grid switching operation, wherein the switching command switch between inlet wire or into
Switch between line and mother；
Logging-controlling apparatus used in situ is connect with the data acquisition device, for the case where electric system meets grid switching operation condition
Under, starting parallel connection is cut fastly, the switching command of the grid switching operation got according to the data acquisition device send for
The reclosing command of object is run, and sends the separating brake instruction for object to be mediated；And
Fast switching device is connect with the logging-controlling apparatus used in situ, is directed to for what is sent according to the logging-controlling apparatus used in situ wait run
The reclosing command of object executes feed motion, is instructed according to the separating brake for object to be mediated that the logging-controlling apparatus used in situ is sent
It is automatic to execute separating brake movement.
2. the control system of grid switching operation according to claim 1, which is characterized in that switching includes following between the inlet wire
One of person: operation inlet wire 1 simultaneously mediates inlet wire 2 or operation inlet wire 2 and mediates inlet wire 1；
Switching includes one of following person between the inlet wire and mother: operation inlet wire and mediate mother or operation mother and mediate into
Line.
3. the control system of grid switching operation according to claim 1, which is characterized in that the system further include:
Detection device for detecting whether electric system meets grid switching operation condition, and will test result and be sent to the scene
Measure and control device.
4. the control system of grid switching operation according to claim 1-3, which is characterized in that the grid switching operation item
Part includes:
Under the current method of operation operation part and inoperative part respectively with object to be mediated described in the switching command and institute
Object to be run is stated to match；
The change-over switch of the fast switching device is connected to object's position to be run in the switching command of the grid switching operation；
The switching position of the fast switching device is remote location；And
The series/parallel switching position connection of fast switching device switching position most in parallel.
5. the control system of grid switching operation according to claim 1, which is characterized in that the logging-controlling apparatus used in situ is also used to
In the ungratified situation of any one of described grid switching operation condition condition, terminate switching control operation.
6. the control system of grid switching operation according to claim 1, which is characterized in that in the fast switching device according to
After executing feed motion for the reclosing command wait run object, the fast switching device is also used to execute following operation:
Detect whether the fast switching device succeeds according to the feed motion that the reclosing command for object to be run executes；
Wherein, in the case where closing success, separating brake movement is executed according to the separating brake instruction for object to be mediated is automatic；
In the case where closing a floodgate failure, terminate handover operation.
7. a kind of control method of grid switching operation, which is characterized in that the control method of the grid switching operation includes:
Obtain grid switching operation switching command, wherein the switching command switch between inlet wire or inlet wire and mother between switch；
In the case where electric system meets grid switching operation condition, starting parallel connection is cut fastly, is referred to according to the switching of the grid switching operation
The reclosing command for sending and being directed to object to be run is enabled, and transmission is instructed for the separating brake of object to be mediated；And
Feed motion is executed according to the reclosing command for object to be run, according to the separating brake for object to be mediated
Instruction is automatic to execute separating brake movement.
8. the control method of grid switching operation according to claim 7, which is characterized in that
Switching includes one of following person between the inlet wire: operation inlet wire 1 simultaneously mediates inlet wire 2 or operation inlet wire 2 and mediates inlet wire 1；
Switching includes one of following person between the inlet wire and mother: operation inlet wire and mediate mother or operation mother and mediate into
Line.
9. the control method of grid switching operation according to claim 7, which is characterized in that this method further include:
Whether detection electric system in advance meets grid switching operation condition.
10. according to the control method of the described in any item grid switching operations of claim 7-9, which is characterized in that described to meet back brake
Operating condition includes:
Under the current method of operation operation part and inoperative part respectively with object to be mediated described in institute's switching command and described
Object to be run matches；
The change-over switch of fast switching device is connected to object's position to be run in the switching command of the grid switching operation；
Transposition is set to remote location earnestly fastly；And
The series/parallel switching position connection of fast switching device switching position most in parallel.
11. the control method of grid switching operation according to claim 7, which is characterized in that the controlling party of the grid switching operation
Method further include:
In the ungratified situation of any one of described grid switching operation condition condition, terminate switching control operation.
12. the control method of grid switching operation according to claim 7, which is characterized in that be directed to according to described wait run
After the reclosing command of object executes feed motion, the control method of the grid switching operation further include:
Whether detection fast switching device succeeds according to the feed motion that the reclosing command for object to be run executes；
Wherein, in the case where closing success, separating brake movement is executed according to the separating brake instruction for object to be mediated is automatic；
In the case where closing a floodgate failure, terminate handover operation.
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| CN107171431A (en) * | 2017-06-29 | 2017-09-15 | 国网山东省电力公司淄博供电公司 | Tune electric equipment free of discontinuities, system and control method |
| CN107465255A (en) * | 2017-08-10 | 2017-12-12 | 西安热工研究院有限公司 | A kind of Turbo-generator Set accident starts auxiliary Power switching method and system |
| CN107947340A (en) * | 2017-10-30 | 2018-04-20 | 国网山西省电力公司晋城供电公司 | A kind of quick power switching system and its switching method |
| CN110034604A (en) * | 2019-04-18 | 2019-07-19 | 徐州矿达机电科技有限公司 | A kind of dual power supply fast switching system |
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Application publication date: 20191126 |