CN107492953A - The smart locking device of knife combined floodgate power transmission with ground between a kind of anti-station - Google Patents
The smart locking device of knife combined floodgate power transmission with ground between a kind of anti-station Download PDFInfo
- Publication number
- CN107492953A CN107492953A CN201710806646.2A CN201710806646A CN107492953A CN 107492953 A CN107492953 A CN 107492953A CN 201710806646 A CN201710806646 A CN 201710806646A CN 107492953 A CN107492953 A CN 107492953A
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- Prior art keywords
- station
- earthing
- combined floodgate
- transformer station
- signal
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 36
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 230000001939 inductive effect Effects 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H02J13/0075—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The invention provides a kind of smart locking device of knife combined floodgate power transmission with ground between anti-station, it is arranged on the opposite end for the transmission line of electricity that Liang Ge transformer stations are connected, including one is used to identify transformer station nearby and thereon the earthing combined floodgate identification module of preset earthing "on" position；One be used to judging being identified when preset earthing closes a floodgate in transformer station nearby, start and towards the signal emission module of distant place transformer station side transmitting wireless signal；One is used to receive and judge the signal receiving module of wireless signal transmitted during preset earthing combined floodgate in the transformer station of a distant place；One is used for the wireless signal according to the transmitting of distant place substation, the lock modules that the preset operation circuit nearby in transformer station identified is disconnected automatically.Implement the present invention, when can realize that the disconnecting link with ground of distance station closes a floodgate, the purpose that controls this end station operation circuit to disconnect automatically.
Description
Technical field
The present invention relates to a kind of intelligence of knife combined floodgate power transmission with ground between Grounding Technology of Modern Power System field, more particularly to anti-station
Can blocking device.
Background technology
In network system operation, " five is anti-" of electric misoperation prevention requires to occupy importantly in electrical safety work
Position, wherein preventing charged co-grounding switch（Hanging earthing conductor）With prevent line with ground（Grounding switch）Power transmission is even more the most important thing.
With strengthening in recent years in safety managements at different levels and technical measures, make although reducing ground fault by mistake and playing effectively control
With, but transmission line of electricity both ends transformer station is distant, and blocking function between standing only can not be but realized by unilateral station anti-error system, so as to
Mistake ground fault is caused to happen occasionally.Such as certain grid company on May 9th, 2017, the process of power transmission after certain 220kV maintenance is recovered
In, when distance station line side grounding switch closes position, there is the pernicious operating accident of disconnecting link power transmission with ground.
The content of the invention
It is an object of the invention to overcome shortcoming and deficiency of the prior art, there is provided knife with ground closes a floodgate between a kind of anti-station
The smart locking device of power transmission, when can realize that the disconnecting link with ground of distance station closes a floodgate, this end station operation circuit is controlled to disconnect automatically
Purpose.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of intelligence of knife combined floodgate power transmission with ground between anti-station
Energy blocking device, is arranged on the opposite end for the transmission line of electricity that Liang Ge transformer stations are connected, including：
One is used to identify transformer station nearby and thereon the earthing combined floodgate identification module of preset earthing "on" position, the ground connection
The input of knife combined floodgate identification module is connected with the preset earthing nearby in transformer station identified；
One be used to judging being identified when preset earthing closes a floodgate in transformer station nearby, start simultaneously towards distant place transformer station side hair
The signal emission module of wireless signal is penetrated, the input of the signal emission module is defeated with the earthing combined floodgate identification module
Go out end to be connected；
One is used to receiving and judging that the signal of wireless signal transmitted when preset earthing closes a floodgate in the distant place transformer station connects
Receive module；And
The wireless signal that one distant place substation for being used to be received according to the signal receiving module launches, will be identified just
The lock modules that preset operation circuit in nearly transformer station disconnects automatically, the input of the lock modules receive with the signal
The output end of module is connected, and output end is connected with the preset operation circuit nearby in transformer station identified.
Wherein, the earthing combined floodgate identification module is switched by the first magnetic inductive forms.
Wherein, the signal emission module includes the first auxiliary reclay and signal projector；Wherein, among described first
The control terminal of relay is connected with first magnetic inductive switch, and normal opened contact thereon is mutually gone here and there with the signal projector
It is unified into loop.
Wherein, the signal receiving module includes the signal absorption device being connected with each other and the second magnetic inductive switch.
Wherein, the lock modules are formed by the second auxiliary reclay；Wherein, the control terminal of second auxiliary reclay
Be connected with second magnetic inductive switch, normally closed contact thereon and the preset operation circuit in transformer station nearby identified
It is concatenated into loop.
Compared with prior art, the invention has the advantages that and beneficial effect：
The smart locking device of knife combined floodgate power transmission with ground is oppositely arranged on Liang Ge transformer stations between the anti-station of the embodiment of the present invention
On transmission line, when distance station earthing closes a floodgate, identified by earthing combined floodgate identification module and incited somebody to action by signal emission module
The "on" position issues local terminal, after local terminal signal receiving module receives judgement, is disconnected automatically by self-locking module pre- on local terminal
When putting operation circuit, realize lock operation function, therefore the disconnecting link with ground combined floodgate of distance station can be realized, this end station is controlled to operate
The purpose that loop disconnects automatically.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the system knot of the smart locking device of knife combined floodgate power transmission with ground between the anti-station that provides in the embodiment of the present invention
Structure schematic diagram；
Fig. 2 is the distribution map of the smart locking device of knife combined floodgate power transmission with ground between the anti-station that provides in the embodiment of the present invention；
Fig. 3 is that earthing closes a floodgate in the smart locking device of knife combined floodgate power transmission with ground between the anti-station that provides in the embodiment of the present invention
The structural representation of identification module；
Fig. 4 is that signal sends mould in the smart locking device of knife combined floodgate power transmission with ground between the anti-station that provides in the embodiment of the present invention
The structural representation of block；
Fig. 5 is that signal receives mould in the smart locking device of knife combined floodgate power transmission with ground between the anti-station that provides in the embodiment of the present invention
The structural representation of block；
Fig. 6 is lock modules in the smart locking device of knife combined floodgate power transmission with ground between the anti-station that provides in the embodiment of the present invention
Structural representation；
Fig. 7 is the application scenarios of the smart locking device of knife combined floodgate power transmission with ground between the anti-station that provides in the embodiment of the present invention
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in Figures 1 to 6, it is the intelligence of knife combined floodgate power transmission with ground between a kind of anti-station of proposition in the embodiment of the present invention
Energy blocking device, is arranged on the opposite end for the transmission line of electricity that Liang Ge transformer stations are connected.Below with transformer substation side
The smart locking device of knife combined floodgate power transmission with ground is described in detail between anti-station.The smart locking device specifically includes：
One is used to identify transformer station nearby and thereon preset earthing（It is not shown）The earthing combined floodgate identification module of "on" position
1, the input of earthing combined floodgate identification module 1 is connected with the preset earthing nearby in transformer station identified；
One be used to judging being identified when preset earthing closes a floodgate in transformer station nearby, start simultaneously towards distant place transformer station side hair
Penetrate the signal emission module 2 of wireless signal, the input of signal emission module 2 and the output end of earthing combined floodgate identification module 1
It is connected；
One is used to receive and judge that the signal of wireless signal transmitted when preset earthing closes a floodgate in the transformer station of a distant place to receive mould
Block 3；And
The wireless signal that one distant place substation for being used to be received according to signal receiving module 3 launches, will be identified nearby
Preset operation circuit in transformer station（It is not shown）Automatically the lock modules 4 disconnected, input and the signal of lock modules 4 receive
The output end of module 3 is connected, and output end is connected with the preset operation circuit nearby in transformer station identified.
It should be noted that being arranged on the smart locking device that Liang Ge transformer stations are connected on the opposite end of transmission line of electricity is
Mutually send out debit's formula mutual by point-to-point signal and realize communication.
Further, earthing combined floodgate identification module 1 is formed by the first magnetic inductive switch 11, first magnetic inductive
Switch 11 can thus induce preset earthing combined floodgate in transformer station nearby in time.
Further, signal emission module 2 includes the first auxiliary reclay 21 and signal projector 22；Wherein, first
The control terminal of auxiliary reclay 21 is connected with the first magnetic inductive switch 11, and normal opened contact and signal projector 22 thereon is mutual
Be connected into loop, thus can when the first magnetic inductive switchs 11 and induces that preset earthing closes a floodgate in transformer station nearby,
Control the first auxiliary reclay 21 to close normally opened contact thereon and form conducting loop with signal projector 22 so that signal is sent out
Emitter 22 distally sends wireless signal.
Further, signal receiving module 3 includes the magnetic inductive of signal absorption device 31 and second switch being connected with each other
32, can after the signal absorption device 31 wireless signal transmitted when receiving that preset earthing closes a floodgate in the transformer station of a distant place
Identified in time by second magnetic inductive switch 32.
Further, the auxiliary reclay 41 of lock modules 4 second is formed；Wherein, the control of the second auxiliary reclay 41
End 32 is connected with the second magnetic inductive switch, normally closed contact thereon and the preset operation circuit in transformer station nearby identified
Loop is concatenated into, thus can induce signal receiving module 3 in the second magnetic inductive switch 32 has been received by distal end power transformation
After upper preset earthing of standing wireless signal transmitted when closing a floodgate, what the second auxiliary reclay 22 of control disconnected thereon normally closed connects
Point, so as to disconnect preset operation circuit automatically, realize lock operation function.
The operation principle of the smart locking device of knife combined floodgate power transmission with ground is between anti-station in the embodiment of the present invention：Due to intelligence
Energy blocking device is arranged on the opposite end of transmission line of electricity, when earthing combined floodgate occurs in transformer station at one end, by intelligence nearby
Energy blocking device, which is identified by earthing combined floodgate identification module 1 and sends wireless signal through wireless transmitter module 2, afield to be become
The smart locking device of power station side receives, and treats the smart locking device of distant place transformer substation side and received by wireless receiving module 3
Afterwards, preset operation circuit thereon is disconnected by lock modules 4, realizes the lock operation function of distant place transformer substation side.
As shown in fig. 7, the application the smart locking device of knife combined floodgate power transmission with ground anti-station in the embodiment of the present invention
Scene is described further：
Earthing combined floodgate identification module 1 is formed by line side earthing auxiliary normally opened contact, wherein, earthing auxiliary in line side is normal
It is the first magnetic induction switch 11 to open contact；
Signal emission module 2 is formed by the 1st auxiliary reclay and signal projector；Wherein, the 1st auxiliary reclay is in first
Between relay 21, signal projector be signal projector 22；The control terminal ZJ1 of 1st auxiliary reclay and line side earthing
Auxiliary normally opened contact is connected, and normal opened contact ZJ1-1 is connected into loop with signal projector；
Signal receiving module 3 is formed by signal absorption device and signal absorption device normal opened contact；Wherein, signal absorption device is signal
Absorber 31, signal absorption device normal opened contact are the second magnetic induction switch 32；
Lock modules 4 are formed by the 2nd auxiliary reclay；Wherein, the 2nd auxiliary reclay is the second auxiliary reclay 41；In 2nd
Between the control terminal ZJ2 of relay be connected with signal absorption device normal opened contact, normally closed contact ZJ2-1 is connected into back with operation circuit
Road.
Compared with prior art, the invention has the advantages that and beneficial effect：
The smart locking device of knife combined floodgate power transmission with ground is oppositely arranged on Liang Ge transformer stations between the anti-station of the embodiment of the present invention
On transmission line, when distance station earthing closes a floodgate, identified by earthing combined floodgate identification module and incited somebody to action by signal emission module
The "on" position issues local terminal, after local terminal signal receiving module receives judgement, is disconnected automatically by self-locking module pre- on local terminal
When putting operation circuit, realize lock operation function, therefore the disconnecting link with ground combined floodgate of distance station can be realized, this end station is controlled to operate
The purpose that loop disconnects automatically.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (5)
1. the smart locking device of knife combined floodgate power transmission with ground between a kind of anti-station, it is characterised in that be arranged on Liang Ge transformer stations
On the opposite end of connected transmission line of electricity, including：
One is used to identify transformer station nearby and thereon the earthing combined floodgate identification module of preset earthing "on" position（1）, it is described
Earthing combined floodgate identification module（1）Input be connected with the preset earthing nearby in transformer station identified；
One be used to judging being identified when preset earthing closes a floodgate in transformer station nearby, start simultaneously towards distant place transformer station side hair
Penetrate the signal emission module of wireless signal（2）, the signal emission module（2）Input and the earthing close a floodgate identification mould
Block（1）Output end be connected；
One is used to receiving and judging that the signal of wireless signal transmitted when preset earthing closes a floodgate in the distant place transformer station connects
Receive module（3）；And
One is used for according to the signal receiving module（3）The wireless signal of the distant place substation transmitting received, will be identified
The lock modules that disconnect automatically of the preset operation circuit nearby in transformer station（4）, the lock modules（4）Input and institute
State signal receiving module（3）Output end be connected, output end is connected with the preset operation circuit nearby in transformer station identified.
2. the smart locking device of knife combined floodgate power transmission with ground between anti-station as claimed in claim 1, it is characterised in that described to connect
Earthing knife-switch combined floodgate identification module（1）Switched by the first magnetic inductive（11）Formed.
3. the smart locking device of knife combined floodgate power transmission with ground between anti-station as claimed in claim 2, it is characterised in that the letter
Number transmitter module（2）Including the first auxiliary reclay（21）And signal projector（22）；Wherein, first auxiliary reclay
（21）Control terminal and first magnetic inductive switch（11）It is connected, normal opened contact and the signal projector thereon（22）
It is serially connected into loop.
4. the smart locking device of knife combined floodgate power transmission with ground between anti-station as claimed in claim 3, it is characterised in that the letter
Number receiving module（3）Signal absorption device including interconnection（31）Switched with the second magnetic inductive（32）.
5. the smart locking device of knife combined floodgate power transmission with ground between anti-station as claimed in claim 4, it is characterised in that described to close
Lock module（4）By the second auxiliary reclay（41）Formed；Wherein, second auxiliary reclay（41）Control terminal and described the
Two magnetic inductives switch（32）It is connected, normally closed contact thereon concatenates with the preset operation circuit nearby in transformer station identified
Into loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806646.2A CN107492953A (en) | 2017-09-08 | 2017-09-08 | The smart locking device of knife combined floodgate power transmission with ground between a kind of anti-station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806646.2A CN107492953A (en) | 2017-09-08 | 2017-09-08 | The smart locking device of knife combined floodgate power transmission with ground between a kind of anti-station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107492953A true CN107492953A (en) | 2017-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710806646.2A Pending CN107492953A (en) | 2017-09-08 | 2017-09-08 | The smart locking device of knife combined floodgate power transmission with ground between a kind of anti-station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107492953A (en) |
Cited By (3)
| 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 |
| CN111049056A (en) * | 2019-12-31 | 2020-04-21 | 深圳供电局有限公司 | Novel system for monitoring ground wire of power grid and realizing power transmission locking of circuit breaker |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201150012Y (en) * | 2007-10-31 | 2008-11-12 | 淄博腾誉电气有限公司 | Locking device for safely monitoring electric power line |
| CN101645612A (en) * | 2009-07-20 | 2010-02-10 | 重庆大学 | Interstation interlock control system for transmission line close operation and reflecting ground-switch state |
| CN102710015A (en) * | 2012-05-25 | 2012-10-03 | 清华大学 | Intelligent terminal device adaptive to intelligent transformer substation |
| CN207368746U (en) * | 2017-09-08 | 2018-05-15 | 深圳供电局有限公司 | The smart locking device of knife combined floodgate power transmission with ground between a kind of anti-station |
| CN208738081U (en) * | 2018-08-01 | 2019-04-12 | 中国南方电网有限责任公司超高压输电公司柳州局 | A kind of ground line locking disconnecting link error-proof device |
-
2017
- 2017-09-08 CN CN201710806646.2A patent/CN107492953A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201150012Y (en) * | 2007-10-31 | 2008-11-12 | 淄博腾誉电气有限公司 | Locking device for safely monitoring electric power line |
| CN101645612A (en) * | 2009-07-20 | 2010-02-10 | 重庆大学 | Interstation interlock control system for transmission line close operation and reflecting ground-switch state |
| CN102710015A (en) * | 2012-05-25 | 2012-10-03 | 清华大学 | Intelligent terminal device adaptive to intelligent transformer substation |
| CN207368746U (en) * | 2017-09-08 | 2018-05-15 | 深圳供电局有限公司 | The smart locking device of knife combined floodgate power transmission with ground between a kind of anti-station |
| CN208738081U (en) * | 2018-08-01 | 2019-04-12 | 中国南方电网有限责任公司超高压输电公司柳州局 | A kind of ground line locking disconnecting link error-proof device |
Non-Patent Citations (2)
| Title |
|---|
| 刘年: "基于数字化变电站站间协同信息的安全技术研究" * |
| 熊小伏 等: "输电线合闸操作站间闭锁控制系统的设计与实现" * |
Cited By (3)
| 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 |
| CN111049056A (en) * | 2019-12-31 | 2020-04-21 | 深圳供电局有限公司 | Novel system for monitoring ground wire of power grid and realizing power transmission locking of circuit breaker |
| 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 |
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