CN107300630A - Novel failure protection test terminal - Google Patents
Novel failure protection test terminal Download PDFInfo
- Publication number
- CN107300630A CN107300630A CN201710632252.XA CN201710632252A CN107300630A CN 107300630 A CN107300630 A CN 107300630A CN 201710632252 A CN201710632252 A CN 201710632252A CN 107300630 A CN107300630 A CN 107300630A
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- Prior art keywords
- failure protection
- output end
- bindiny mechanism
- unsuccessful reason
- calibrating terminal
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- 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.)
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- 238000012360 testing method Methods 0.000 title abstract description 17
- 238000009413 insulation Methods 0.000 claims description 31
- 239000004020 conductor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000011990 functional testing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention belongs to the technical field of terminal devices, and relates to a novel failure protection test terminal. The power supply device comprises an insulating shell, a starting failure output end, a failure starting input end and a connecting mechanism; the starting failure output end, the failure starting input end and the connecting mechanism are arranged in the insulating shell; the starting failure output end is connected with the failure starting input end through a connecting mechanism; the connecting mechanism is connected with the starting failure output end and the failure starting input end through a connecting piece; the connecting mechanism is provided with a U-shaped guide rail, the insulating shell is provided with a limiting device, and the connecting device is connected with the limiting device in a sliding mode through the U-shaped guide rail. According to the novel protection failure test terminal provided by the invention, the connecting mechanism slides along the U-shaped guide rail by arranging the U-shaped guide rail and the limiting device, so that the connecting mechanism completes the connection and disconnection operations of the test terminal; on the other hand, the disconnection and connection functions of the test terminal are realized through the connection mechanism, so that the operation is more convenient, and meanwhile, safety accidents caused by misoperation are avoided.
Description
Technical field
The invention belongs to terminal device technical field, more particularly, to a kind of new failure protection calibrating terminal.
Background technology
Power system 220kV and above are provided with failure protection, and have the related protection screens of many sets to be designed with to open
The output contact of dynamic failure protection, these contacts realize that related protection screen is protected with failure through binding post by controlling cable
Connection between shield screen, when the related protection screen of certain set needs to carry out actuating breaker failure protection functional test, most cases are that failure is protected
Shield, which can not stop transport, coordinates test, therefore, it is necessary to disconnect the output contact and failure protection of related protection screen actuating breaker failure protection
After the connection in loop, whether contact action for testing its output actuating breaker failure protection in related protection screen is correct, and this wiring is broken
It is usually to be carried out at binding post to open operation.
In the prior art, when carrying out the operation of failure protection calibrating terminal, it is necessary to first confirm protection to be measured according to drawing
Shield the position where start failure protection binding post, the control cable connection of the failure protection screen side of the binding post is disconnected, and
The control cable lug conductor part of disconnection is bandaged temporarily with insulating tape, it is necessary to first straight with universal meter when being tested
Stream voltage gear confirms that the above-mentioned failure protection calibrating terminal disconnected does not have after voltage, then starts related protection actuating breaker failure protection
Functional test, after the completion of test, needs to remove insulating tape, then the cable of failure protection screen side is connected again；This failure
Calibrating terminal complex operation is protected, and in operation, it is easy to there is operational error, such as wire contacts are bad, disconnected
Burst at the seams cable mistake, the cable wrapping that disconnects is not in place etc., and these errors easily cause personal safety accident.Conventional opens
Move failure calibrating terminal and press off when outputing loop of the needs debugging such as lock again applied to unsuccessful reason loop and main transformer releasing, due to
Its function is single, only by tearing cable connection open, could meet during failure loop-around test the need for technical safety measures, and
Taking out stitches necessarily causes a series of risks, and these dangerous spots fully rely on the subjective control of staff, occurs error probability height, and
Once generation consequence is serious.There are major safety risks, it is impossible to meet safety in production and require, it is necessary to research and develop the wiring of new structure
Terminal.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of calibrating terminal, its is simple in construction, operation side
Just.
To solve the above problems, the technical scheme that the present invention is provided is：A kind of new failure protection calibrating terminal, its
In, including insulation crust, start failure protection output end, unsuccessful reason input and bindiny mechanism；Described start failure protection output
End, unsuccessful reason input and bindiny mechanism are in insulation crust；Described start failure protection output end and unsuccessful reason is defeated
Enter end to connect by bindiny mechanism's movable；Described bindiny mechanism is opened by connector with start failure protection output end and failure
Dynamic input connection；Described bindiny mechanism is provided with U-shaped guide rail, and described insulation crust is provided with stopping means, described
Attachment means pass through U-shaped guide rail and the slideable connection of stopping means.
In normal operation, start failure protection output end and cable connecting hole on unsuccessful reason input are equal by the present invention
It is connected with cable, calibrating terminal is in electriferous state, wherein, clamping screw and start failure protection output end and mistake in bindiny mechanism
The locking nut that spirit starts on input coordinates, and bindiny mechanism is closely fixed on into start failure protection output end and unsuccessful reason is defeated
Enter on end, calibrating terminal and external cable formation closed-loop path；When being tested, unscrew the clamping screw in bindiny mechanism,
Slide U-shaped guide rail and drive whole bindiny mechanism's movement, bindiny mechanism is slid on unsuccessful reason input, and make stop nut
It is connected with clamping screw, bindiny mechanism is fixed on unsuccessful reason input, calibrating terminal is remained off.
Further, insulation handle is additionally provided with described bindiny mechanism, described insulation handle is fixed with bindiny mechanism
Connection.On the one hand, set insulation handle is convenient to operate, it is to avoid to get an electric shock；On the other hand, can make the present invention calibrating terminal difference with
Other calibrating terminals, are easily distinguished.
Further, described connector includes clamping screw and locking nut, and described clamping screw is arranged in connection
In mechanism, described locking nut is respectively arranged in start failure protection output end and unsuccessful reason input, described clamping screw
Coordinate with locking nut, described clamping screw top is insulation layer structure.By the tight female cooperation of clamping screw and screw lock, make company
Connection mechanism is connected more close with start failure protection output end and unsuccessful reason input, it is to avoid the problems such as loose contact.
Further, described start failure protection output end on unsuccessful reason input with being equipped with cable connecting hole.Set
Cable connecting hole facilitates calibrating terminal to be connected with cable, and the cable connecting hole in start failure protection output end connects to related protection side
Connect, the cable connecting hole on unsuccessful reason input is connected with failure protection side.
Further, the described one end of start failure protection output end away from unsuccessful reason input is provided with the first line ball bolt
With the first line ball nut；The described one end of unsuccessful reason input away from start failure protection output end provided with the second line ball bolt with
Second line ball nut, the first described line ball bolt and the second line ball bolt top are insulation layer structure.Start failure protection output end
On the first line ball bolt and the first line ball nut coordinate, the connection for being fixed related protection side line cable；Unsuccessful reason
The second line ball bolt and the second line ball nut on input coordinate, the connection for being fixed failure protection side line cable, separately
Outside, insulation system is set to cover the powered position of unsuccessful reason input, it is possible to prevente effectively from operating personnel are being operated
Mistiming encounters conductor and causes to get an electric shock.
Further, described clamping screw, the first line ball bolt, the second line ball bolt and the top of bindiny mechanism are equal
Provided with insulation system.Insulation system is set at the top of calibrating terminal conductor part, it is possible to prevente effectively from operating personnel are being carried out
Operation mistiming encounters conductor and causes to get an electric shock.
Further, stop nut is additionally provided with described unsuccessful reason input, described stop nut is in connection machine
Coordinate when structure disconnects with start failure protection output end with clamping screw.Calibrating terminal be in connection status when, bindiny mechanism respectively with
Start failure protection output end and the connection of unsuccessful reason input, stopping means are in U-shaped guide rail close to the one of unsuccessful reason input
End；When being tested, unscrew clamping screw, bindiny mechanism is slided along U-shaped guide rail until stopping means is in U-shaped guide rail
Close to one end of start failure protection output end, now, bindiny mechanism is disconnected with start failure protection output end, and bindiny mechanism, which is in, to be lost
Spirit starts the upper end of input, clamping screw is coordinated with stop nut, tightens clamping screw, bindiny mechanism is fixed on into failure
Start input upper end, remain off.
Compared with prior art, beneficial effect is：A kind of new protection failure calibrating terminal that the present invention is provided, passes through
U-shaped guide rail and stopping means are set, by the way that bindiny mechanism is slided along U-shaped guide rail, bindiny mechanism is completed calibrating terminal
It is connected and disconnected from operation；On the other hand, disconnection and the linkage function of calibrating terminal are realized by bindiny mechanism, makes operation more square
Just, it is not necessary to disconnect cable, while security incident caused by it also avoid maloperation.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is bindiny mechanism's structural representation of the present invention.
Structural representation when Fig. 3 removes bindiny mechanism for the present invention.
Fig. 4 is first state schematic diagram of the present invention.
Fig. 5 is the second view of the invention.
Fig. 6 is third state schematic diagram of the present invention.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.Being given for example only property of position relationship described in accompanying drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of new failure protection calibrating terminal, wherein, including insulation crust 1, startup
Failure output end 2, unsuccessful reason input 3 and bindiny mechanism 4；Start failure protection output end 2, unsuccessful reason input 3 and
Bindiny mechanism 4 is in insulation crust 1；Start failure protection output end 2 is movable by bindiny mechanism 4 with unsuccessful reason input 3
Formula is connected；Bindiny mechanism 4 is connected by connector with start failure protection output end 2 and unsuccessful reason input 3；In bindiny mechanism 4
Provided with U-shaped guide rail 5, insulation crust 1 is provided with stopping means 6, and attachment means are slideable by U-shaped guide rail 5 and stopping means 6
Connection.
In certain embodiments, when the present invention is under normal operating conditions, start failure protection output end 2 and unsuccessful reason are defeated
The cable connecting hole entered on end 3 is connected with cable, and calibrating terminal is in electriferous state, wherein, the locking screw in bindiny mechanism 4
Bolt 8 coordinates with the locking nut 9 in start failure protection output end 2 and unsuccessful reason input 3, and bindiny mechanism 4 is closely fixed
In in start failure protection output end 2 and unsuccessful reason input 3, calibrating terminal forms closed-loop path with external cable；Surveyed
During examination, unscrew the clamping screw 8 in bindiny mechanism 4, slide U-shaped guide rail 5 and drive whole bindiny mechanism 4 to move, by bindiny mechanism 4
Slide on unsuccessful reason input 3, and stop nut 10 is connected with clamping screw 8, bindiny mechanism 4 is fixed on into failure opens
On dynamic input 3, remain off calibrating terminal.
Specifically, insulation handle 7 is additionally provided with bindiny mechanism 4, insulation handle 7 is fixedly connected with bindiny mechanism 4.One side
Face, sets insulation handle 7 is convenient to operate, it is to avoid to get an electric shock；On the other hand, the calibrating terminal difference and other surveys of the present invention can be made
Terminal is tried, is easily distinguished.
Wherein, connector includes clamping screw 8 and locking nut 9, and clamping screw 8 is arranged in bindiny mechanism 4, locking screw
Mother 9 is respectively arranged in start failure protection output end 2 and unsuccessful reason input 3, and described clamping screw 8 coordinates with locking nut 9,
The top of clamping screw 8 is insulation layer structure.Coordinated by clamping screw 8 with locking nut 9, make bindiny mechanism 4 and start failure protection
Output end 2 and unsuccessful reason input 3 connect more close, it is to avoid the problems such as loose contact.
In addition, start failure protection output end 2 on unsuccessful reason input 3 with being equipped with cable connecting hole.Cable is set to connect
Hole facilitates calibrating terminal to be connected with cable, and the cable connecting hole in start failure protection output end 2 is opened to the connection of related protection side, failure
Cable connecting hole on dynamic input 3 is connected with failure protection side.
Wherein, the one end of start failure protection output end 2 away from unsuccessful reason input 3 is provided with the first line ball bolt 12 and first
Line ball nut 11；The one end of unsuccessful reason input 3 away from start failure protection output end 2 is provided with the second line ball bolt 14 and the second pressure
Line nut 13, the first line ball bolt 12 and the top of the second line ball bolt 14 are insulation layer structure.In start failure protection output end 2
One line ball bolt 12 coordinates with the first line ball nut 11, the connection for being fixed related protection side line cable；Unsuccessful reason is defeated
The the second line ball bolt 14 entered on end 3 coordinates with the second line ball nut 13, the connection for being fixed failure protection side line cable,
In addition, setting insulation system to cover the powered position of unsuccessful reason input, it is possible to prevente effectively from operating personnel are being grasped
Encounter conductor as mistiming and cause to get an electric shock.
In addition, clamping screw 8, the first line ball bolt 12, the second line ball bolt 14 and the top of bindiny mechanism 4 are equipped with
Insulation system.Insulation system is set at the top of calibrating terminal conductor part, it is possible to prevente effectively from operating personnel are being operated
Mistiming encounters conductor and causes to get an electric shock.
As shown in fig. 6, wherein, stop nut 10 is additionally provided with unsuccessful reason input 3, stop nut 10 is in bindiny mechanism
4 coordinate when being disconnected with start failure protection output end 2 with clamping screw 8.When calibrating terminal is in connection status, bindiny mechanism 4 is distinguished
It is connected with start failure protection output end 2 and unsuccessful reason input 3, stopping means 6 is in U-shaped guide rail 5 and inputted close to unsuccessful reason
The one end at end 3；When being tested, unscrew clamping screw 8, bindiny mechanism 4 is slided along U-shaped guide rail 5 until stopping means 6
In U-shaped guide rail 5 close to one end of start failure protection output end 2, now, bindiny mechanism 4 disconnects with start failure protection output end 2 to be connected
Connect, bindiny mechanism 4 is in the upper end of unsuccessful reason input 3, clamping screw 8 is coordinated with stop nut 10, tightens locking screw
Bolt 8, is fixed on the upper end of unsuccessful reason input 3 by bindiny mechanism 4, remains off.
Operating principle or flow：
As shown in figure 1, being calibrating terminal normal operating conditions of the present invention, now, start failure protection output end 2 is inputted with unsuccessful reason
Loop where being respectively connected with cable, calibrating terminal at the cable mouthful at end 3 is in electriferous state.
As shown in fig. 6, carrying out connection status for calibrating terminal end of the present invention, although now still connect wired at connection jaws
Cable, but calibrating terminal is off, and also bindiny mechanism 4 is located at the top of unsuccessful reason input 3, and unsuccessful reason is inputted
End 3 is covered, and the upper surface of attachment means is equipped with insulation system, can effectively prevent operating personnel from touching conductor by mistake and causing electric shock；
On the other hand, now, the nut in start failure protection output end 2 is exposed, can be connected nut as instrument connection with test with test wire
Connect, convenient operation.
（1）Confirm that protection screen unsuccessful reason loop to be measured or main transformer releasing press off lock again or shunt tripping is other disconnected according to drawing
Road device etc. needs the binding post position debugged, after calibrating terminal of the present invention, identification increase, is easily found；
（2）Clamping screw 8 in calibrating terminal bindiny mechanism 4 is unscrewed, then is lifted up making attachment means by bindiny mechanism 4
Clamping screw 8 depart from locking nut 9, as shown in Figure 4；
（3）The calibrating terminal bindiny mechanism 4 is moved to the direction of unsuccessful reason input 3, until stopping means 6 is in U-shaped lead
Rail 5 is located at U-shaped guide rail 5 close to the most bottom of start failure protection output end 2 close to one end of start failure protection output end 2, i.e. stopping means 6
End, as shown in figure 5, now the clamping screw 8 in calibrating terminal bindiny mechanism 4 close to the end of start failure protection output end 2 is directed at failure
Start the stop nut 10 on input 3；
（4）As shown in fig. 6, clamping screw 8 is tightened with stop nut 10, bindiny mechanism 4 is set to keep in the off state；This
When, the locking nut 9 in start failure protection output end 2 is exposed, can carry out test operation；
（5）First with universal meter DC voltage shelves confirm it is above-mentioned disconnected the side of calibrating terminal start failure protection output end 2 without pressure after,
Related defencive function test is proceeded by, now, is tried by the nut on the side of start failure protection output end 2 of calibrating terminal with test
Test line connection to be tested, facilitate staff's identification with using；
（6）After test terminates, first the side of calibrating terminal start failure protection output end 2 has been disconnected with the shelves confirmation of universal meter DC voltage is above-mentioned
Without pressure, the clamping screw 8 in bindiny mechanism 4 is unscrewed from stop nut 10, bindiny mechanism 4 is lifted up, is led along U-shaped
Rail 5 is slided to the direction of start failure protection output end 2, until stopping means 6 is in U-shaped guide rail 5 close to the end of unsuccessful reason input 3
To bottom, now, clamping screw 8 in attachment means just with the lock in start failure protection output end 2 and unsuccessful reason input 3
Tight nut 9 is corresponded；
（7）Clamping screw 8 in bindiny mechanism 4 is tightened one by one, exported as shown in figure 1, completing bindiny mechanism 4 with start failure protection
End 2 and the connection of unsuccessful reason input 3, now calibrating terminal recovery connection status, test terminate.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Any modifications, equivalent substitutions and improvements made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (7)
1. a kind of new failure protection calibrating terminal, it is characterised in that including insulation crust（1）, start failure protection output end
（2）, unsuccessful reason input（3）And bindiny mechanism（4）；Described start failure protection output end（2）, unsuccessful reason input
（3）And bindiny mechanism（4）Located at insulation crust（1）It is interior；Described start failure protection output end（2）With unsuccessful reason input
（3）Pass through bindiny mechanism（4）Movable is connected；Described bindiny mechanism（4）Pass through connector and start failure protection output end（2）
With unsuccessful reason input（3）Connection；Described bindiny mechanism（4）It is provided with U-shaped guide rail（5）, described insulation crust（1）On
Provided with stopping means（6）, described bindiny mechanism（4）Pass through U-shaped guide rail（5）With stopping means（6）Slideable connection.
2. a kind of new failure protection calibrating terminal according to claim 1, it is characterised in that described bindiny mechanism
（4）On be additionally provided with insulation handle（7）, described insulation handle（7）With bindiny mechanism（4）It is fixedly connected.
3. a kind of new failure protection calibrating terminal according to claim 1, it is characterised in that described connector bag
Include clamping screw（8）And locking nut（9）, described clamping screw（8）It is arranged in bindiny mechanism（4）On, described nut point
She Yu not start failure protection output end（2）With unsuccessful reason input（3）On, described clamping screw（8）Coordinate with nut；It is described
Clamping screw（8）Top is insulation layer structure.
4. a kind of new failure protection calibrating terminal according to any one of claims 1 to 3, it is characterised in that described
Start failure protection output end（2）With unsuccessful reason input（3）On be equipped with cable connecting hole.
5. a kind of new failure protection calibrating terminal according to claim 4, it is characterised in that described start failure protection
Output end（2）Away from unsuccessful reason input（3）One end be provided with the first line ball bolt（12）With the first line ball nut（11）；Institute
The unsuccessful reason input stated（3）Away from start failure protection output end（2）One end be provided with the second line ball bolt（14）With the second pressure
Line nut（13）；The first described line ball bolt（12）With the second line ball bolt（14）Top is insulation layer structure.
6. a kind of new failure protection calibrating terminal according to claim 5, it is characterised in that described clamping screw
（8）, the first line ball bolt（12）, the second line ball bolt（14）And bindiny mechanism（4）Top be equipped with insulation system.
7. a kind of new failure protection calibrating terminal according to claim 6, it is characterised in that described unsuccessful reason
Input（3）On be additionally provided with stop nut（10）, described stop nut（10）In bindiny mechanism（4）With start failure protection output end
（2）During disconnection and clamping screw（8）Coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710632252.XA CN107300630B (en) | 2017-07-28 | 2017-07-28 | Failure protection test terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710632252.XA CN107300630B (en) | 2017-07-28 | 2017-07-28 | Failure protection test terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107300630A true CN107300630A (en) | 2017-10-27 |
| CN107300630B CN107300630B (en) | 2023-03-24 |
Family
ID=60134533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710632252.XA Active CN107300630B (en) | 2017-07-28 | 2017-07-28 | Failure protection test terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107300630B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748281A (en) * | 2017-11-07 | 2018-03-02 | 广东电网有限责任公司揭阳供电局 | Interconnected loop test terminal with state recognition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008301160A (en) * | 2007-05-31 | 2008-12-11 | Fuji Electric Device Technology Co Ltd | Level shift circuit and semiconductor device |
| CN103698733A (en) * | 2013-09-18 | 2014-04-02 | 国家电网公司 | Test wiring terminal component for metering electric energy |
| CN203535152U (en) * | 2013-07-15 | 2014-04-09 | 深圳供电局有限公司 | Hidden defect detection device for external starting contact of failure protection |
| CN103840553A (en) * | 2014-02-26 | 2014-06-04 | 广州供电局有限公司 | Failure starting circuit and method for starting failure circuit |
-
2017
- 2017-07-28 CN CN201710632252.XA patent/CN107300630B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008301160A (en) * | 2007-05-31 | 2008-12-11 | Fuji Electric Device Technology Co Ltd | Level shift circuit and semiconductor device |
| CN203535152U (en) * | 2013-07-15 | 2014-04-09 | 深圳供电局有限公司 | Hidden defect detection device for external starting contact of failure protection |
| CN103698733A (en) * | 2013-09-18 | 2014-04-02 | 国家电网公司 | Test wiring terminal component for metering electric energy |
| CN103840553A (en) * | 2014-02-26 | 2014-06-04 | 广州供电局有限公司 | Failure starting circuit and method for starting failure circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748281A (en) * | 2017-11-07 | 2018-03-02 | 广东电网有限责任公司揭阳供电局 | Interconnected loop test terminal with state recognition |
| CN107748281B (en) * | 2017-11-07 | 2023-04-28 | 广东电网有限责任公司揭阳供电局 | Interconnection loop test terminal with state recognition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107300630B (en) | 2023-03-24 |
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