CN109510067A - Station-to-station error prevention blocking device and equipment - Google Patents
Station-to-station error prevention blocking device and equipment Download PDFInfo
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- CN109510067A CN109510067A CN201910030947.XA CN201910030947A CN109510067A CN 109510067 A CN109510067 A CN 109510067A CN 201910030947 A CN201910030947 A CN 201910030947A CN 109510067 A CN109510067 A CN 109510067A
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- control device
- grounding switch
- measure
- breaker
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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Abstract
The present invention provides station-to-station error prevention blocking device and equipment, comprising: first line measure and control device, the second route measure and control device, communication loop, the first substation and the second substation；First substation includes the first breaker, the first isolation switch and the first grounding switch, and the first grounding switch further includes the second grounding switch and third grounding switch；Second substation includes the second breaker, the second isolation switch and the 4th grounding switch, and the 4th grounding switch further includes the 5th grounding switch and the 6th grounding switch；First line measure and control device, for acquiring the status information of the first breaker, the first isolation switch and third grounding switch；Second route measure and control device, for acquiring the status information of the second breaker, the second isolation switch and the 6th grounding switch；First line measure and control device carries out information exchange by communication loop and the second route measure and control device, can prevent the generation of various pernicious misoperation faults, guarantee normal grid switching operation.
Description
Technical field
The present invention relates to power system security technical fields, more particularly, to station-to-station error prevention blocking device and equipment.
Background technique
In the requirement of " electric industry safety production rules " about electrical equipment " five is anti-", clear stipulaties 110kV and the above voltage
The electrical equipment of grade should preferentially use the design principle of electrical interlocking.So in the secondary operation circuit of a side apparatus
In, setting electric blocking element has become the effective and feasible means for preventing misoperation fault from occurring.
Grid switching operation should be carried out in strict accordance with the sequence of transmission or not as defined in " electric industry safety production rules ", as forbidden band
Line closes disconnecting link, route opposite side is forbidden to charge grounding knife.In engineering design, in the Electronic control circuit that can once operate equipment
In or manual operation circuit in install electric locking device additional, the generation of maloperation is prevented with this.But when this substation certain
For line side earthing knife-switch in closing position, which wants power transmission that can only prevent from missing by the information that dispatcher grasps
Lower operation enables, that is, prevents opposite side current misdelivery proof it should be understood that the case where this side substation, due to the gentle operator of Automated water
Technical level it is irregular, this side line road earthing knife-switch occurs in coincidence, the pernicious maloperation of opposite side power transmission happens occasionally, to system
Enormous impact is caused, gently then unit trip, casualties, equipment damage are caused when serious.On the other hand, even if dispatcher is under
The line side earthing knife-switch of route is in coincidence when order, but when the order of dispatcher issues after, such as the line side of the route
Knife has been changed to coincidence, and opposite side transformer substation side operator can not also obtain the information in time, and maloperation at this time will be unable to keep away
To exempt from, therefore is easy to happen careless omission by the people's air defense measure of dispatcher's control, timeliness can not be met the requirements, there is an urgent need to develop
The new timely exchanging mechanism of two sides substation information, to prevent the generation of such pernicious maloperation.
Summary of the invention
In view of this, can be prevented various pernicious the purpose of the present invention is to provide station-to-station error prevention blocking device and equipment
The generation of misoperation fault guarantees normal grid switching operation.
In a first aspect, the embodiment of the invention provides a kind of station-to-station error prevention blocking device, described device includes: at least two
Substation, first line measure and control device, the second route measure and control device and communication loop, wherein at least two substations packet
The first substation and the second substation are included, first substation includes the first breaker, the first isolation switch and the first ground connection
Disconnecting link, second substation include the second breaker, the second isolation switch and the 4th grounding switch；
One end of first grounding switch is connected with the first line measure and control device, first grounding switch
The other end is connected with first breaker, first breaker also respectively with the first line measure and control device and described
First isolation switch is connected, and first isolation switch is also isolated with the first line measure and control device and described second respectively
Disconnecting link is connected, and second isolation switch is also connected with the second route measure and control device and second breaker respectively
It connecing, second breaker is also connected with one end of the second route measure and control device and the 4th grounding switch respectively,
The other end of 4th grounding switch is connected with the second route measure and control device, and the second route measure and control device passes through
The communication loop is connected with the first line measure and control device；
The first line measure and control device, for acquiring first breaker, first isolation switch and described
The status information of one grounding switch；
The second route measure and control device, for acquiring second breaker, second isolation switch and described
The status information of four grounding switchs.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
Stating the first grounding switch further includes the second grounding switch and third grounding switch, one end of second grounding switch and described the
One route measure and control device is connected, the other end of second grounding switch respectively with first breaker and described first every
It is connected from disconnecting link, one end of the third grounding switch is connected with the first line measure and control device, the third ground connection
The other end of disconnecting link is connected with first isolation switch and second isolation switch respectively.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein the 4th grounding switch further includes the 5th grounding switch and the 6th grounding switch, and the described 5th
One end of grounding switch is connected with the second route measure and control device, the other end of the 5th grounding switch respectively with it is described
Second breaker is connected with second isolation switch, and one end of the 6th grounding switch and the second route observing and controlling fill
It sets and is connected, the other end of the 6th grounding switch is connected with first isolation switch and second isolation switch respectively
It connects.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein when
The first line measure and control device obtains first isolation switch according to information collection and is in coincidence state, and according to described
When communication loop acquisition the 6th grounding switch is in coincidence, the first breaker No switching on.
The third possible embodiment with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein when the second route measure and control device obtains at second isolation switch according to information collection
In coincidence state, and when obtaining the third grounding switch according to the communication loop and be in coincidence state, described second breaks
Road device No switching on.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 5th kind of first aspect
Possible embodiment, wherein when the first line measure and control device obtains the 6th earthing according to the communication loop
When lock is in coincidence state, the first isolation switch No switching on.
The 5th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 6th kind of first aspect
Possible embodiment, wherein when the second route measure and control device obtains the third earthing according to the communication loop
When lock is in coincidence state, the second isolation switch No switching on.
The 6th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 7th kind of first aspect
Possible embodiment, wherein when the first line measure and control device obtains second isolation knife according to the communication loop
When lock is in coincidence state, the third grounding switch No switching on.
The 7th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 8th kind of first aspect
Possible embodiment, wherein when the second route measure and control device obtains first isolation knife according to the communication loop
When lock is in coincidence state, the 6th grounding switch No switching on.
Second aspect, the embodiment of the present invention also provide station-to-station error prevention interlock, including station-to-station error prevention as described above closes
Locking device.
The embodiment of the invention provides station-to-station error prevention blocking device and equipment, comprising: first line measure and control device, the second line
Road measure and control device, communication loop, the first substation and the second substation；First substation includes the first breaker, the first isolation
Disconnecting link and the first grounding switch, the first grounding switch further include the second grounding switch and third grounding switch；Second substation packet
The second breaker, the second isolation switch and the 4th grounding switch are included, the 4th grounding switch further includes the 5th grounding switch and the 6th
Grounding switch；First line measure and control device, for acquiring the state of the first breaker, the first isolation switch and third grounding switch
Information；Second route measure and control device, the state for acquiring the second breaker, the second isolation switch and the 6th grounding switch are believed
Breath；First line measure and control device carries out information exchange by communication loop and the second route measure and control device, can prevent various evils
The generation of property misoperation fault, guarantees normal grid switching operation.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the station-to-station error prevention blocking device schematic diagram that the embodiment of the present invention one provides；
Fig. 2 is one of the station-to-station error prevention blocking device schematic diagram that the embodiment of the present invention one provides；
Fig. 3 is the two of the station-to-station error prevention blocking device schematic diagram that the embodiment of the present invention one provides；
Fig. 4 is station-to-station error prevention blocking device physical cabling position view provided by Embodiment 2 of the present invention；
Fig. 5 is the station-to-station error prevention blocking method flow chart that the embodiment of the present invention three provides.
Icon:
The first breaker of 10-；The first isolation switch of 20-；The first grounding switch of 30-；The second grounding switch of 31-；32- third
Grounding switch；The second breaker of 40-；The second isolation switch of 50-；The 4th grounding switch of 60-；The 5th grounding switch of 61-；62-
Six grounding switchs；70- first line measure and control device；80- the second route measure and control device；90- communication loop.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
To be described in detail to the embodiment of the present invention below convenient for understanding the present embodiment.
Embodiment one:
Fig. 1 is the station-to-station error prevention blocking device schematic diagram that the embodiment of the present invention one provides.
Referring to Fig.1, which includes: at least two substations, first line measure and control device 70, the second route measure and control device
80 and communication loop 90, wherein at least two substations include the first substation and the second substation, and the first substation includes the
One breaker 10, the first isolation switch 20 and the first grounding switch 30, the second substation are isolated including the second breaker 40, second
Disconnecting link 50 and the 4th grounding switch 60；
One end of first grounding switch 30 is connected with first line measure and control device 70, the other end of the first grounding switch 30
Be connected with the first breaker 10, the first breaker 10 also respectively with 20 phase of first line measure and control device 70 and the first isolation switch
Connection, the first isolation switch 20 are also connected with first line measure and control device 70 and the second isolation switch 50 respectively, the second isolation
Disconnecting link 50 is also connected with the second route measure and control device 80 and the second breaker 40 respectively, and the second breaker 40 is also respectively with second
Route measure and control device 80 is connected with one end of the 4th grounding switch 60, and the other end of the 4th grounding switch 60 and the second route are surveyed
Control device 80 is connected, and the second route measure and control device 80 is connected by communication loop 90 with first line measure and control device 70；
Further, the first grounding switch 30 further includes the second grounding switch 31 and third grounding switch 32, the second ground connection
One end of disconnecting link 31 is connected with first line measure and control device 70, the other end of the second grounding switch 31 respectively with the first breaker
10 are connected with the first isolation switch 20, and one end of third grounding switch 32 is connected with first line measure and control device 70, third
The other end of grounding switch 32 is connected with the first isolation switch 20 and the second isolation switch 50 respectively.
Further, the 4th grounding switch 60 further includes the 5th grounding switch 61 and the 6th grounding switch 62, the 5th ground connection
One end of disconnecting link 61 is connected with the second route measure and control device 80, the other end of the 5th grounding switch 61 respectively with the second breaker
40 are connected with the second isolation switch 50, and one end of the 6th grounding switch 62 is connected with the second route measure and control device 80, and the 6th
The other end of grounding switch 62 is connected with the first isolation switch 20 and the second isolation switch 50 respectively.
Specifically, the first substation further includes 1M isolation switch and 2M isolation switch, wherein 1M isolation switch and the first mother
Line is connected, and 2M isolation switch and the second bus are connected, and 1M isolation switch and 2M isolation switch are filled with first line observing and controlling
70 are set to be connected；Likewise, the second substation includes 1M isolation switch and 2M isolation switch, wherein 1M isolation switch and first
Bus is connected, and 2M isolation switch and the second bus are connected, 1M isolation switch and 2M isolation switch with the second route observing and controlling
Device 80 is connected.
First line measure and control device 70, for acquiring the first breaker 10, the first isolation switch 20 and the first grounding switch
30 status information；
Specifically, first line measure and control device 70 is connected with the first breaker 10, acquisition the first breaker 10 of output
The status information of quartile and combined floodgate；First line measure and control device 70 is connected with the first isolation switch 20, acquisition output first every
The status information of quartile and combined floodgate from disconnecting link 20；First line measure and control device 70 is connected with the first grounding switch 30, acquisition
Export the quartile of the first grounding switch 30 and the status information of combined floodgate.In addition, first line measure and control device 70 and the second earthing
Lock 31 is connected, the quartile of acquisition the second grounding switch 31 of output and the status information of combined floodgate；First line measure and control device 70 is also
It is connected with third grounding switch 32, the quartile of acquisition output third grounding switch 32 and the status information of combined floodgate.
Second route measure and control device 80, for acquiring the second breaker 40, the second isolation switch 50 and the 4th grounding switch
60 status information.
Specifically, the second route measure and control device 80 is connected with the second breaker 40, acquisition the second breaker 40 of output
The status information of quartile and combined floodgate；Second route measure and control device 80 is connected with the second isolation switch 50, acquisition output second every
The status information of quartile and combined floodgate from disconnecting link 50；Second route measure and control device 80 is connected with the 4th grounding switch 60, acquisition
Export the quartile of the 4th grounding switch 60 and the status information of combined floodgate.In addition, the second route measure and control device 80 and the 5th earthing
Lock 61 is connected, the quartile of acquisition the 5th grounding switch 61 of output and the status information of combined floodgate；Second route measure and control device 80 is also
It is connected with the 6th grounding switch 62, the quartile of acquisition the 6th grounding switch 62 of output and the status information of combined floodgate.
Further, coincidence shape is in when first line measure and control device 70 obtains the first isolation switch 20 according to information collection
State, and according to communication loop 90 obtain the 6th grounding switch 62 be in coincidence state when, 10 No switching on of the first breaker.
Further, coincidence shape is in when the second route measure and control device 80 obtains the second isolation switch 50 according to information collection
State, and according to communication loop 90 obtain third grounding switch 32 be in coincidence state when, 40 No switching on of the second breaker.
Specifically, for the first substation, when the first isolation switch 20 and the 6th grounding switch 62 are in coincidence state,
First breaker, 10 No switching on, i.e. the five-defence block contact of first line measure and control device 70 disconnect the first breaker 10 and close a floodgate electricity
Road, the first breaker 10 combined floodgate are blocked.Wherein, the 6th grounding switch 62 is first line measure and control device 70 in coincidence state
It is obtained according to communication loop 90, if first line measure and control device 70 finds that communication loop 90 interrupts, when the first isolation switch 20
When in coincidence, 10 No switching on of the first breaker.For the second substation, when the second isolation switch 50 and third grounding switch
32 when being in coincidence state, and 40 No switching on of the second breaker, the i.e. five-defence block contact of the second route measure and control device 80 disconnects
Second breaker, 40 combined floodgate circuit, the second breaker 40 combined floodgate are blocked.Wherein, third grounding switch 32 is in coincidence state
Two wires road measure and control device 80 is obtained according to communication loop 90, if the second route measure and control device 80 discovery communication loop 90 interrupts,
Then when the second isolation switch 50 is in coincidence state, 40 No switching on of the second breaker.In addition, when the first of the first substation
When isolation switch 20 is in coincidence state, if the 5th grounding switch 61 and the second isolation switch 50 of the second substation are in
Coincidence state, then 10 No switching on of the first breaker；If the second isolation switch 50 of the second substation, 40 and of the second breaker
4th grounding switch 60 is in coincidence state, then 10 No switching on of the first breaker；Alternatively, when the second substation second every
When being in coincidence state from disconnecting link 50, if the second grounding switch 31 and the first isolation switch 20 of the first substation are in coincidence
State, then 40 No switching on of the second breaker；If the first isolation switch 20 of the first substation, the first breaker 10 and first
Grounding switch 30 is in coincidence state, then 40 No switching on of the second breaker.
Further, coincidence is in when first line measure and control device 70 obtains the 6th grounding switch 62 according to communication loop 90
When state, 20 No switching on of the first isolation switch.
Further, coincidence is in when the second route measure and control device 80 obtains third grounding switch 32 according to communication loop 90
When state, 50 No switching on of the second isolation switch.
Specifically, for the first substation, when the 6th grounding switch 62 is in coincidence state, the first isolation switch 20 is prohibited
It only closes a floodgate, i.e., the five-defence block contact of first line measure and control device 70 disconnects 20 combined floodgate circuit of the first isolation switch, the first isolation
The combined floodgate of disconnecting link 20 is blocked.Wherein, the 6th grounding switch 62 is first line measure and control device 70 according to communicating back in coincidence state
Road 90 obtains.For the second substation, when third grounding switch 32 is in coincidence state, the second isolation switch 50 is forbidden closing
The five-defence block contact of lock, i.e. the second route measure and control device 80 disconnects 50 combined floodgate circuit of the second isolation switch, the second isolation switch
50, which close a floodgate, is blocked.Wherein, third grounding switch 32 is the second route measure and control device 80 according to communication loop 90 in coincidence state
It obtains.In addition, for the first substation, if the 5th grounding switch 61 and the second isolation switch 50 of the second substation are in
Coincidence state, then 20 No switching on of the first isolation switch；If the second isolation switch 50 of the second substation, the second breaker 40
It is in coincidence state with the 4th grounding switch 60, then 20 No switching on of the first isolation switch；For the second substation, when first
The second grounding switch 31 and the first isolation switch 20 of substation are in coincidence state, then 50 No switching on of the second isolation switch；
If the first isolation switch 20 of the first substation, the first breaker 10 and the first grounding switch 30 are in coincidence state,
Second isolation switch, 50 No switching on.
Further, coincidence is in when first line measure and control device 70 obtains the second isolation switch 50 according to communication loop 90
When state, 32 No switching on of third grounding switch.
Further, coincidence is in when the second route measure and control device 80 obtains the first isolation switch 20 according to communication loop 90
When state, 62 No switching on of the 6th grounding switch.
Specifically, for the first substation, when the second isolation switch 50 is in coincidence state, third grounding switch 32 is prohibited
It only closes a floodgate, i.e., the combined floodgate circuit of the five-defence block contact disconnection third grounding switch 32 of first line measure and control device 70, third connect
The combined floodgate of ground disconnecting link 32 is blocked.Wherein, the second isolation switch 50 is first line measure and control device 70 according to communication in coincidence state
Circuit 90 obtains, if first line measure and control device 70 finds that communication loop 90 interrupts, 32 No switching on of third grounding switch.
For the second substation, when the first isolation switch 20 is in coincidence state, 62 No switching on of the 6th grounding switch, i.e. the second line
The five-defence block contact of road measure and control device 80 disconnects the combined floodgate circuit of the 6th grounding switch 62, and the 6th grounding switch 62 combined floodgate is closed
Lock.Wherein, to be the second route measure and control device 80 in coincidence state obtain the first isolation switch 20 according to communication loop 90, if the
Two wires road measure and control device 80 finds that communication loop 90 interrupts, then 62 No switching on of the 6th grounding switch.In addition, when the second substation
The second isolation switch 50 when being in coincidence state, the third grounding switch 32 of the first substation, which is in patch, to be forbidden closing
Lock；When the first isolation switch 20 of the first substation is in coincidence state, the 6th grounding switch 62 of the second substation is in
Patch No switching on.
Further, when there are two handshake interfaces for first line measure and control device 70 and the second route measure and control device 80 tool
When, as shown in Fig. 2, communication loop 90 includes communication loop 1 and communication loop 2, it can be with for important or frequent operation route
Using this double nip communication mode, the reliability and rapidity of status information transmission are improved.In addition, communication loop 90 not only limits
In communication loop 1 and communication loop 2, can be configured according to the actual situation.When at least two substations include substation A, become
When power station B and substation C, as shown in figure 3, communication loop 90 includes substation A route measure and control device and substation B route observing and controlling
Communication loop 1 and communication loop 2 between device further include substation A route measure and control device and substation C route measure and control device
Between communication loop 1 and substation B route measure and control device and substation C route measure and control device between communication loop 2, from
And preferably guarantee that pernicious maloperation does not occur between three substations meet the needs of five-defence block between standing.
Further, the embodiment of the invention also provides station-to-station error prevention interlocks, including station-to-station error prevention as described above
Blocking device.
Embodiment two:
As shown in figure 4, substation A is the first substation, substation B is the second substation, substation A route measure and control device
For first line measure and control device 70, substation B route measure and control device is the second route measure and control device 80.In the side substation A, DL is disconnected
Road device is the first breaker 10, and 4G isolation switch is the first isolation switch 20, and 02G grounding switch is the first grounding switch 30,
04G1 grounding switch is the second grounding switch 31, and 04G2 grounding switch is third grounding switch 32.In addition, further including 1G isolation knife
Lock, 2G isolation switch and VT (Voltage transformer, voltage transformer) mutual inductor, wherein 1G isolation switch and first
Bus 1M is connected, and 2G isolation switch and the second bus 2M are connected, VT mutual inductor respectively with 4G isolation switch, substation's A line
Road measure and control device is connected with the 4G isolation switch of the side substation B；In the side substation B, DL breaker is the second breaker 40,4G
Isolation switch is the second isolation switch 50, and 02G grounding switch is the 4th grounding switch 60, and 04G1 grounding switch is the 5th earthing
Lock 61,04G2 grounding switch are the 6th grounding switch 62, in addition, further include 1G isolation switch, 2G isolation switch and VT mutual inductor,
Wherein, 1G isolation switch and the first bus 1M are connected, and 2G isolation switch and the second bus 2M are connected, VT mutual inductor respectively with
4G isolation switch, substation B route measure and control device are connected with the 4G isolation switch of the side substation A.
For the closing locking condition of DL breaker, when the side substation A 4G isolation switch and the side substation B 04G2 earthing
Lock is in coincidence state, the side substation A DL breaker No switching on；Alternatively, when the side substation A 4G isolation switch is in coincidence shape
State, while the side substation B 04G1 grounding switch and 4G isolation switch, in coincidence state, the side substation A DL breaker is forbidden
It closes a floodgate；Alternatively, when the side substation A 4G isolation switch is in coincidence state, at the same the side substation B 4G isolation switch, DL breaker and
02G grounding switch is in coincidence state, the side substation A DL breaker No switching on.Likewise, when substation B side 4G is isolated
Disconnecting link and the side substation A 04G2 grounding switch are in coincidence state, the side substation B DL breaker No switching on；Alternatively, working as power transformation
The side B 4G isolation switch stand in coincidence state, while the side substation A 04G1 grounding switch and 4G isolation switch are in coincidence state
When, the side substation B DL breaker No switching on；Alternatively, when the side substation B 4G isolation switch is in coincidence state, while substation A
Side 4G isolation switch, DL breaker and 02G grounding switch are in coincidence state, the side substation B DL breaker No switching on.
For the closing locking condition of 4G isolation switch, when the side substation A 04G2 grounding switch is in coincidence state, power transformation
It stands the side B 4G isolation switch No switching on；Alternatively, when the side substation A 04G1 grounding switch and 4G isolation switch are in coincidence state,
The side substation B 4G isolation switch No switching on；Alternatively, working as the side substation A 02G grounding switch, 4G isolation switch and DL breaker
In coincidence state, the side substation B 4G isolation switch No switching on.Likewise, when the side substation B 04G2 grounding switch is in coincidence
When state, the side substation A 4G isolation switch No switching on；Alternatively, when the side substation B 04G1 grounding switch and 4G isolation switch exist
When coincidence state, the side substation A 4G isolation switch No switching on；Alternatively, working as the side substation B 02G grounding switch, 4G isolation switch
With DL breaker in coincidence state, the side substation A 4G isolation switch No switching on.
For the closing locking condition of grounding switch, when the side substation A 4G isolation switch is in coincidence state, substation B
Side 04G2 grounding switch No switching on；Alternatively, substation B side 04G2 connects when the side substation A 4G isolation switch is in coincidence state
Temporary ground wire No switching at ground disconnecting link.Likewise, when the side substation B 4G isolation switch is in coincidence state, the side substation A
04G2 grounding switch No switching on；Alternatively, when the side substation B 4G isolation switch is in coincidence state, substation A side 04G2 ground connection
Temporary ground wire No switching at disconnecting link.
Embodiment three:
Fig. 5 is the station-to-station error prevention blocking method flow chart that the embodiment of the present invention three provides.
Referring to Fig. 5, method includes the following steps:
Step S101, the first breaker of acquisition, the first isolation switch, third grounding switch, the second breaker, the second isolation
The status information of disconnecting link and the 6th grounding switch；
Step S102 judges second according to the status information of the first breaker, the first isolation switch and third grounding switch
The anti-latch status of breaker, the second isolation switch and the 6th grounding switch；
Alternatively,
The first breaker, are judged according to the status information of the second breaker, the second isolation switch and the 6th grounding switch
The anti-latch status of one isolation switch and third grounding switch.
The embodiment of the invention provides station-to-station error prevention blocking device and equipment, comprising: first line measure and control device, the second line
Road measure and control device, communication loop, the first substation and the second substation；First substation includes the first breaker, the first isolation
Disconnecting link and the first grounding switch, the first grounding switch further include the second grounding switch and third grounding switch；Second substation packet
The second breaker, the second isolation switch and the 4th grounding switch are included, the 4th grounding switch further includes the 5th grounding switch and the 6th
Grounding switch；First line measure and control device, for acquiring the state of the first breaker, the first isolation switch and third grounding switch
Information；Second route measure and control device, the state for acquiring the second breaker, the second isolation switch and the 6th grounding switch are believed
Breath；First line measure and control device carries out information exchange by communication loop and the second route measure and control device, can prevent various evils
The generation of property misoperation fault, guarantees normal grid switching operation.
The embodiment of the present invention also provides a kind of electronic equipment, including memory, processor and storage are on a memory and can
The computer program run on a processor, processor realize station-to-station error prevention provided by the above embodiment when executing computer program
The step of blocking method.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the step of station-to-station error prevention blocking method of above-described embodiment is executed when computer program is run by processor.
Computer program product provided by the embodiment of the present invention, the computer-readable storage including storing program code
Medium, the instruction that said program code includes can be used for executing previous methods method as described in the examples, and specific implementation can be joined
See embodiment of the method, details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of station-to-station error prevention blocking device, which is characterized in that described device includes: at least two substations, First Line drive test
Control device, the second route measure and control device and communication loop, wherein at least two substation includes the first substation and second
Substation, first substation include the first breaker, the first isolation switch and the first grounding switch, second substation
Including the second breaker, the second isolation switch and the 4th grounding switch；
One end of first grounding switch is connected with the first line measure and control device, first grounding switch it is another
End be connected with first breaker, first breaker also respectively with the first line measure and control device and described first
Isolation switch is connected, first isolation switch also respectively with the first line measure and control device and second isolation switch
It is connected, second isolation switch is also connected with the second route measure and control device and second breaker respectively, institute
It states the second breaker to be also connected with one end of the second route measure and control device and the 4th grounding switch respectively, described
The other end of four grounding switchs is connected with the second route measure and control device, and the second route measure and control device passes through described logical
Letter circuit is connected with the first line measure and control device；
The first line measure and control device, for acquiring first breaker, first isolation switch and described first connects
The status information of ground disconnecting link；
The second route measure and control device, for acquiring second breaker, second isolation switch and the described 4th connects
The status information of ground disconnecting link.
2. station-to-station error prevention blocking device according to claim 1, which is characterized in that first grounding switch further includes
Two grounding switchs and third grounding switch, one end of second grounding switch are connected with the first line measure and control device,
The other end of second grounding switch is connected with first breaker and first isolation switch respectively, the third
One end of grounding switch is connected with the first line measure and control device, the other end of the third grounding switch respectively with it is described
First isolation switch is connected with second isolation switch.
3. station-to-station error prevention blocking device according to claim 2, which is characterized in that the 4th grounding switch further includes
One end of five grounding switchs and the 6th grounding switch, the 5th grounding switch is connected with the second route measure and control device,
The other end of 5th grounding switch is connected with second breaker and second isolation switch respectively, and the described 6th
One end of grounding switch is connected with the second route measure and control device, the other end of the 6th grounding switch respectively with it is described
First isolation switch is connected with second isolation switch.
4. station-to-station error prevention blocking device according to claim 1, which is characterized in that when the first line measure and control device root
First isolation switch is obtained according to information collection and is in coincidence state, and is obtained the described 6th according to the communication loop and connect
When ground disconnecting link is in coincidence state, the first breaker No switching on.
5. station-to-station error prevention blocking device according to claim 4, which is characterized in that when the second route measure and control device root
Second isolation switch is obtained according to information collection and is in coincidence state, and the third is obtained according to the communication loop and is connect
When ground disconnecting link is in coincidence state, the second breaker No switching on.
6. station-to-station error prevention blocking device according to claim 5, which is characterized in that when the first line measure and control device root
When being in coincidence state according to communication loop acquisition the 6th grounding switch, the first isolation switch No switching on.
7. station-to-station error prevention blocking device according to claim 6, which is characterized in that when the second route measure and control device root
When being in coincidence state according to the communication loop acquisition third grounding switch, the second isolation switch No switching on.
8. station-to-station error prevention blocking device according to claim 7, which is characterized in that when the first line measure and control device root
When being in coincidence state according to communication loop acquisition second isolation switch, the third grounding switch No switching on.
9. station-to-station error prevention blocking device according to claim 8, which is characterized in that when the second route measure and control device root
When being in coincidence state according to communication loop acquisition first isolation switch, the 6th grounding switch No switching on.
10. a kind of station-to-station error prevention interlock, which is characterized in that closed including the described in any item station-to-station error preventions of claim 1 to 9
Locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910030947.XA CN109510067A (en) | 2019-01-11 | 2019-01-11 | Station-to-station error prevention blocking device and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030947.XA CN109510067A (en) | 2019-01-11 | 2019-01-11 | Station-to-station error prevention blocking device and equipment |
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| CN109510067A true CN109510067A (en) | 2019-03-22 |
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| CN201910030947.XA Pending CN109510067A (en) | 2019-01-11 | 2019-01-11 | Station-to-station error prevention blocking device and equipment |
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| CN111361605A (en) * | 2020-03-10 | 2020-07-03 | 珠海优特电力科技股份有限公司 | Error locking prevention control method and system for grounding device and storage medium |
| CN111585177A (en) * | 2020-04-30 | 2020-08-25 | 广东电网有限责任公司广州供电局 | Anti-misoperation locking device, system, method and power distribution system |
| CN112039199A (en) * | 2020-07-27 | 2020-12-04 | 深圳供电局有限公司 | Remote control system and method for disconnecting link of transformer substation |
| CN112433118A (en) * | 2020-11-16 | 2021-03-02 | 国网山东省电力公司聊城供电公司 | 10kV medium-voltage power generation vehicle anti-misoperation simulation device and method |
| CN112435881A (en) * | 2020-11-11 | 2021-03-02 | 珠海优特电力科技股份有限公司 | Method and system for preventing power transmission misoperation of power distribution network |
| CN113281644A (en) * | 2021-05-27 | 2021-08-20 | 深圳供电局有限公司 | Detection method for preventing live isolation switch from being closed to grounding equipment |
| CN115986924A (en) * | 2022-12-14 | 2023-04-18 | 湖北清江水电开发有限责任公司 | Control method and device for primary equipment of hydraulic power plant and readable storage medium |
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