CN209374898U - Station-to-station error prevention blocking device and equipment - Google Patents
Station-to-station error prevention blocking device and equipment Download PDFInfo
- Publication number
- CN209374898U CN209374898U CN201920053480.6U CN201920053480U CN209374898U CN 209374898 U CN209374898 U CN 209374898U CN 201920053480 U CN201920053480 U CN 201920053480U CN 209374898 U CN209374898 U CN 209374898U
- Authority
- CN
- China
- Prior art keywords
- control device
- switch
- grounding switch
- measure
- breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model 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 utility model 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.
Utility model content
In view of this, can be prevented various the purpose of this utility model is to provide station-to-station error prevention blocking device and equipment
The generation of pernicious misoperation fault guarantees normal grid switching operation.
In a first aspect, the utility model embodiment provides a kind of station-to-station error prevention blocking device, described device includes:
At least two substations, first line measure and control device, the second route measure and control device and communication loop, wherein described at least two
Substation include the first substation and the second substation, first substation include the first breaker, the first isolation switch and
First grounding switch, 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 utility model embodiment provides the first possible embodiment of first aspect,
In, first grounding switch further includes the second grounding switch and third grounding switch, one end of second grounding switch with
The first line measure and control device is connected, the other end of second grounding switch respectively with first breaker and described
First isolation switch is connected, and one end of the third grounding switch is connected with the first line measure and control device, and described
The other end of three grounding switchs is connected with first isolation switch and second isolation switch respectively.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein the 4th grounding switch further includes the 5th grounding switch and the 6th grounding switch, described
One end of 5th grounding switch is connected with the second route measure and control device, the other end of the 5th grounding switch respectively with
Second breaker is connected with second isolation switch, and one end of the 6th grounding switch and second route are surveyed
Control device be connected, the other end of the 6th grounding switch respectively with first isolation switch and second isolation switch
It is connected.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, coincidence state, and root are in when the first line measure and control device obtains first isolation switch according to information collection
When being in coincidence according to communication loop acquisition the 6th grounding switch, the first breaker No switching on.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, wherein when the second route measure and control device obtains second isolation knife according to information collection
Lock is in coincidence state, and when obtaining the third grounding switch according to the communication loop and being in coincidence state, and described the
Two breaker No switching ons.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, wherein connect when the first line measure and control device obtains the described 6th according to the communication loop
When ground disconnecting link is in coincidence state, the first isolation switch No switching on.
The 5th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Six kinds of possible embodiments, wherein connect when the second route measure and control device obtains the third according to the communication loop
When ground disconnecting link is in coincidence state, the second isolation switch No switching on.
The 6th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Seven kinds of possible embodiments, wherein when the first line measure and control device according to the communication loop obtain described second every
When being in coincidence state from disconnecting link, the third grounding switch No switching on.
The 7th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Eight kinds of possible embodiments, wherein when the second route measure and control device according to the communication loop obtain described first every
When being in coincidence state from disconnecting link, the 6th grounding switch No switching on.
Second aspect, the utility model embodiment also provide station-to-station error prevention interlock, including prevent between standing as described above
Misoperation locking device.
The utility model embodiment provides station-to-station error prevention blocking device and equipment, comprising: first line measure and control device,
Two wires road measure and control device, communication loop, the first substation and the second substation；First substation includes the first breaker, first
Isolation switch and the first grounding switch, the first grounding switch further include the second grounding switch and third grounding switch；Second power transformation
Stand including the second breaker, the second isolation switch and the 4th grounding switch, the 4th grounding switch further include the 5th grounding switch and
6th grounding switch；First line measure and control device, for acquiring the first breaker, the first isolation switch and third grounding switch
Status information；Second route measure and control device, for acquiring the state of the second breaker, the second isolation switch and the 6th grounding switch
Information；First line measure and control device carries out information exchange by communication loop and the second route measure and control device, can prevent various
The generation of pernicious misoperation fault guarantees normal grid switching operation.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model 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 right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it 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 utility model embodiment one provides；
Fig. 2 is one of the station-to-station error prevention blocking device schematic diagram that the utility model embodiment one provides；
Fig. 3 is the two of the station-to-station error prevention blocking device schematic diagram that the utility model embodiment one provides；
Fig. 4 is the station-to-station error prevention blocking device schematic diagram that the utility model embodiment two 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
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
To be described in detail to the utility model embodiment below convenient for understanding the present embodiment.
Embodiment one:
Fig. 1 is the station-to-station error prevention blocking device schematic diagram that the utility model embodiment 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 utility model embodiment additionally provides station-to-station error prevention interlock, including between standing as described above
Anti-misoperation locking 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.
The utility model embodiment provides station-to-station error prevention blocking device and equipment, comprising: first line measure and control device,
Two wires road measure and control device, communication loop, the first substation and the second substation；First substation includes the first breaker, first
Isolation switch and the first grounding switch, the first grounding switch further include the second grounding switch and third grounding switch；Second power transformation
Stand including the second breaker, the second isolation switch and the 4th grounding switch, the 4th grounding switch further include the 5th grounding switch and
6th grounding switch；First line measure and control device, for acquiring the first breaker, the first isolation switch and third grounding switch
Status information；Second route measure and control device, for acquiring the state of the second breaker, the second isolation switch and the 6th grounding switch
Information；First line measure and control device carries out information exchange by communication loop and the second route measure and control device, can prevent various
The generation of pernicious misoperation fault guarantees normal grid switching operation.
Device provided by the utility model embodiment for the specific hardware in equipment or can be installed in equipment
Software or firmware etc..The technical effect of device provided by the utility model embodiment, realization principle and generation and aforementioned side
Method embodiment is identical, and to briefly describe, Installation practice part does not refer to place, can refer in corresponding in preceding method embodiment
Hold.It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, device
With the specific work process of unit, the corresponding process during reference can be made to the above method embodiment, details are not described herein.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in embodiment provided by the utility model can integrate in one processing unit,
It is also possible to each unit to physically exist alone, can also be integrated in one unit with two or more units.
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, this is practical
Substantially the part of the part that contributes to existing technology or the technical solution can be in other words for novel technical solution
The form of software product embodies, which is stored in a storage medium, including some instructions to
So that computer equipment (can be personal computer, server or the network equipment an etc.) execution the utility model is each
The all or part of the steps of embodiment the 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. the various media that can store program code.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
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 3, 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 3, 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 3, 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 |
|---|---|---|---|
| CN201920053480.6U CN209374898U (en) | 2019-01-11 | 2019-01-11 | Station-to-station error prevention blocking device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920053480.6U CN209374898U (en) | 2019-01-11 | 2019-01-11 | Station-to-station error prevention blocking device and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374898U true CN209374898U (en) | 2019-09-10 |
Family
ID=67825347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920053480.6U Active CN209374898U (en) | 2019-01-11 | 2019-01-11 | Station-to-station error prevention blocking device and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510067A (en) * | 2019-01-11 | 2019-03-22 | 广东电网有限责任公司 | Station-to-station error prevention blocking device and equipment |
| 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 |
-
2019
- 2019-01-11 CN CN201920053480.6U patent/CN209374898U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510067A (en) * | 2019-01-11 | 2019-03-22 | 广东电网有限责任公司 | Station-to-station error prevention blocking device and equipment |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109510067A (en) | Station-to-station error prevention blocking device and equipment | |
| CN111146755B (en) | Feeder terminal and line protection device | |
| CN108680772B (en) | Secondary test interface device of high-voltage circuit breaker and test method thereof | |
| CN204012678U (en) | A kind of power distribution network multimode ground protection system | |
| CN106505743A (en) | Transformer station's Interlocking Methods | |
| CN209374898U (en) | Station-to-station error prevention blocking device and equipment | |
| KR101514999B1 (en) | Method and system for self-checking and self-separating of fault section by using smart protection devices in a power distribution system | |
| CN204179552U (en) | Intelligent ring main unit | |
| CN107561412A (en) | A kind of quick feeder fault location of power automation and shielding system and method | |
| CN109839575B (en) | Power system fault processing method and device and terminal equipment | |
| EP4046250B1 (en) | Tower for a high-voltage overhead electric transmission line, equipped with switchgear unit and related protection, command and control system | |
| CN203733700U (en) | ZW32 type intelligent switch with directivity determining zero-sequence grounding protection | |
| CN115459069A (en) | High tension switchgear protection five-prevention system | |
| CN208314024U (en) | A kind of high-voltage circuitbreaker second trial interface arrangement | |
| CN207664593U (en) | Power distribution system voltage comprehensive protector | |
| CN212031582U (en) | Intelligent box-type substation | |
| CN110672940B (en) | Distribution automation integration testing arrangement | |
| CN207281229U (en) | A kind of quick feeder fault location of power automation and shielding system | |
| CN201450318U (en) | Automatic false ground preventive low-voltage power distribution device | |
| KR100532925B1 (en) | Detection techniques of line-to-earth fault section in ungrounded network base on distribution automation | |
| CN205283097U (en) | A linkage protection device that is used for transformer neutral point to separate straight equipment | |
| CN214011470U (en) | Electrified short circuit device of portable outdoor harmonic elimination ware | |
| CN221080916U (en) | Power supply equipment and safe power supply switch box thereof | |
| CN217983231U (en) | Cloud distribution intelligent circuit breaker | |
| CN204179753U (en) | A kind of cable branch demarcation circuit breaker cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |