CN107478931A - A kind of distribution automation terminal comprehensive debugging device and method - Google Patents
A kind of distribution automation terminal comprehensive debugging device and method Download PDFInfo
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- CN107478931A CN107478931A CN201710675442.XA CN201710675442A CN107478931A CN 107478931 A CN107478931 A CN 107478931A CN 201710675442 A CN201710675442 A CN 201710675442A CN 107478931 A CN107478931 A CN 107478931A
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- terminal
- debugging
- air plug
- distribution automation
- type terminal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The present invention relates to a kind of distribution automation terminal comprehensive debugging device and method, including combined test chamber, combined test chamber is provided with a standing groove, microcomputer relay protection tester is placed with standing groove, combined test chamber is provided with analog switch device, analog switch device includes switching winding, closing coil, separating brake control loop, shutting-brake control loop, separating brake indicator lamp, opening button, combined floodgate indicator lamp and switch knob, test panel is provided with combined test chamber, boundary type terminal debugging power supply air plug is provided with test panel, boundary type terminal debugging control air plug, electric current air plug is used in the debugging of sectional type terminal, the debugging of sectional type terminal uses power supply air plug with control air plug and the debugging of sectional type terminal.The present invention uses analog switch device, by divide-shut brake button to divide-shut brake circuit controls, realizes the simulation of switch divide-shut brake action；Using boundary type and all types of air plugs of sectional type switch terminal debugging, realize that distribution automation terminal is debugged.
Description
Technical field
The present invention relates to power equipment correlative technology field, and in particular to a kind of distribution automation terminal comprehensive debugging device
And method.
Background technology
Power distribution automation is the new technology that recent years, fast development was got up, and is the inexorable trend of distribution modernization.Distribution
Automated system is based on a rack and equipment, fusion electronic technology, the communication technology, computer technology, by the reality of distribution
When information, information off-line, the structure of power distribution network, geography information integrated, realize the monitoring and control to power distribution network.Whole system
System be made up of main station system, substation, distribution terminal, communication network, main website carry out data sampling and processing, storage, man-machine interface and
Various application functions；Substation is in intermediate layer, assists main website work, and usually communication collects and realizes area monitoring function；It is logical
Believe that passage is the communication network that information transfer is realized between main website, substation, terminal, terminal is to realize electrical power distribution automatization system function
Basic unit's execution unit, accept main website instruction complete data collection upload and monitoring and controlling.The successful application of power distribution automation
Fault message mainly can be correctly uploaded when distribution is broken down, comprising accurate abort situation, so that main website plans as a whole
Allotment carries out the power supply for being correctly isolated and recovering non-faulting section of failure, and whole troubleshooting quick-break is fast, the period, by failure
It is small to influence power failure range.
The debugging of Current Distribution Automation terminal is usually to face two places, and one is that terminal does not put into operation in warehouse, separately
One is terminal just in charging operation.Debugging for the terminal that do not put into operation, a real sectional type is needed during debugging every time
What switch or the boundary type switch divide-shut brake action cooperation completion correct action command of terminal were assigned shows, this job applications manpower
Resource is more, and efficiency is low.For the terminal in charging operation, it is current hair exist hidden danger defect need carry out defect elimination debugging when, by
Switched in its just supporting charging operation on-pole switch or ring main unit, the debugging to terminal remote control function can not be realized.Need
Terminal dismounting is pulled into warehouse to look for a switch with model to coordinate completion debugging or originally will be pulled to terminal with model switch
Working site.
Understand in summary, no matter distribution power automation terminal put into operation in warehouse before debugging or disappeared in running
Debugging is lacked, all in the presence of needing supporting switch divide-shut brake action to carry out showing for its correct control function, labor intensity is larger, labor
Efficiency of movement is low, there is labour's redundancy phenomena, therefore, develops a kind of distribution-network automation switch terminal comprehensive debugging mobile platform, energy
Enough convenient carryings run working site to warehouse or just, regular to switch remote measurement, the debugging logical sum method of remote signaling function, simultaneously
Using it is a kind of can correctly show the analog switch that terminal remote control command correctly assigns and coordinate complete the distant debugging of terminal three, reduce
Staff lifts the situation and embarrassed look of switch debugging, has seemed very necessary.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of distribution automation terminal comprehensive debugging device
And method, the common pilot project of each type terminals is focused on one removable, light easily on combined test chamber, reduced
Labour's redundancy and cost of labor, and the debugging to boundary type switch and sectional type switch can be conveniently completed, simultaneously
Unnecessary action frequency is reduced, shortens terminal band hidden danger defect run time as far as possible, is provided with for high power supply reliability
The technological service support of power.
The technical solution adopted in the present invention is：
A kind of distribution automation terminal comprehensive debugging device, including combined test chamber, the top of the combined test chamber are set
There is the standing groove of a rectangle, microcomputer relay protection tester is placed with the standing groove, the combined test chamber is provided with
Analog switch device, the simulation of distribution automation terminal divide-shut brake action, the synthesis are carried out by the analog switch device
Test panel is additionally provided with chamber, boundary type terminal debugging power supply air plug, boundary type are provided with the test panel
Terminal debugging control air plug, sectional type terminal debugging electric current air plug, sectional type terminal debugging control air plug and sectional type
Terminal debugging power supply air plug, the boundary type terminal debugging power supply air plug, boundary type terminal debugging control air plug, segmentation
Type terminal debugging electric current air plug, sectional type terminal debugging control air plug and sectional type terminal debugging power supply air plug lead to respectively
Air plug control line is crossed to be connected with distribution automation terminal.
Further, the analog switch device includes switching winding, closing coil, separating brake control loop and shutting-brake control
Loop, the switching winding, closing coil, separating brake control loop and shutting-brake control loop are separately positioned in combined test chamber,
The switching winding is connected with separating brake control loop, and the closing coil is connected with separating brake control loop.
Further, the analog switch device also include being arranged on separating brake indicator lamp in test panel, opening button,
Combined floodgate indicator lamp and switch knob；The separating brake indicator lamp and opening button are connected with separating brake control loop respectively, the combined floodgate
Indicator lamp and switch knob are connected with shutting-brake control loop respectively.
Further, energy storage instruction component is additionally provided with the test panel, the energy storage instruction component includes and stored up
Can spring connection extension spring connecting lever, hang spring connecting lever and connecting rod, connecting rod connection energy storage direction board, on energy storage direction board connected by lever
It is connected with back-moving spring.
Further, the side of the combined test chamber is provided with power switch and general supply aviation plug, the power supply
Switch is connected with general supply aviation plug, and the general supply aviation plug is connected by power line with control power supply box.
Further, the boundary type terminal debugging power supply air plug, boundary type terminal debugging control air plug, sectional type
Terminal debugging is respectively adopted with electric current air plug, the debugging of sectional type terminal with control air plug and the debugging of sectional type terminal with power supply air plug
Roller structure.
Further, voltmeter, three-phase electricity flow table and zero-sequence current table are additionally provided with the test panel.
Further, the corner of the combined test chamber bottom is respectively arranged with the universal wheel of belt lock catch；The comprehensive examination
The inside of tryoff is separated into two parts by dividing plate, and two chamber doors are provided with the combined test chamber, door is provided with chamber door
Lock.
A kind of application method of distribution automation terminal comprehensive debugging device, comprises the following steps：
Step 1, comprehensive debugging device is moved to the distribution automation terminal place place for needing to debug, moved into place
Afterwards, by four universal wheel lockings；
Step 2, the air plug of distribution automation terminal pulled out, according to the type of distribution-network automation switch terminal, using boat
Control line is inserted to be connected air plug corresponding with the type to distribution automation terminal in test panel with distribution automation terminal；
Step 3, using power line by the general supply aviation plug on combined test chamber with control power supply box be connected；
Step 4, different pulse currents and voltage are applied using Microcomputer Protection tester, carry out the three of distribution automation terminal
Distant functional test.
Further, in the step 2, if distribution-network automation switch terminal is boundary type terminal, using air plug control line
Boundary type terminal is debugged and is connected with control air plug and power supply air plug with distribution-network automation switch terminal；If distribution-network automation switch
Terminal is sectional type terminal, is debugged sectional type terminal with control air plug, electric current air plug and control air plug using air plug control line
It is connected with distribution-network automation switch terminal.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) the application uses analog switch device, by divide-shut brake button to divide-shut brake circuit controls, completes switch division
The simulation of lock action；Using Microcomputer Protection tester, can by each analog quantity of user's control output and change procedure to distribution from
Dynamicization terminal is tested；Using boundary type and all types of air plugs of sectional type switch terminal debugging, with distribution automation terminal
It is whole with the material and structure and distribution-network automation switch of all types of air plugs to carry out line, boundary type and the debugging of sectional type switch terminal
The air plug plug at end is identical, is easy for installation and removal；The application realize it is convenient and swift boundary type and sectional type terminal are debugged, subtract
Few labour's redundancy and cost of labor, effectively avoid terminal band hidden danger defect operation；
(2) the application concentrates displaying distribution automation terminal first to close using voltmeter, three-phase electricity flow table and zero-sequence current table
Voltage, the current information of connection；
(3) the application uses the universal wheel of belt lock catch so that and comprehensive debugging device can move freely, and be easy to carry, and
Ensure that comprehensive debugging device will not be caused improper movement by external force.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is the front view of the distribution automation terminal comprehensive debugging device of the embodiment of the present invention；
Fig. 2 is the side view of the distribution automation terminal comprehensive debugging device of the embodiment of the present invention；
Wherein, 1, combined test chamber, 2, test panel, 3, standing groove, 4, microcomputer relay protection tester, 5, boundary type it is whole
Hold debugging power supply air plug, 6, boundary type terminal debugging with control air plug, 7, sectional type terminal debugging with control air plug, 8, segmentation
Power supply air plug use in the debugging of type terminal, 9, sectional type terminal debug and use electric current air plug, 10, voltmeter, 11, three-phase electricity flow table, 12, zero
Sequence ammeter, 13, opening button, 14, separating brake indicator lamp, 15, switch knob, 16, combined floodgate indicator lamp, 17, energy storage instruction component,
18th, power switch, 19, general supply aviation plug, 20, universal wheel, 21, chamber door.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, there is that to need supporting switch divide-shut brake action to carry out its correct in the prior art
Control function shows, and labor intensity is larger, and efficiency is low, there is the deficiency of labour's redundancy phenomena, in order to solve as above
Technical problem, present applicant proposes a kind of distribution automation terminal comprehensive debugging device and method.
A kind of exemplary embodiment of the application, as shown in Figure 1-2, there is provided a kind of distribution automation terminal comprehensive debugging
Device, the device include combined test chamber 1, and the inside of the combined test chamber 1 is separated into two parts, the synthesis by dividing plate
Two chamber doors 21 are provided with chamber, door lock is provided with chamber door 21；The top of the combined test chamber 1 is provided with a rectangle
Standing groove 3, be placed with microcomputer relay protection tester 4 in the standing groove, the combined test chamber is provided with analog switch
Device, the simulation of distribution automation terminal divide-shut brake action is carried out by the analog switch device, on the combined test chamber
Test panel 2 is additionally provided with, boundary type terminal debugging power supply air plug 5 is provided with the test panel 2, boundary type terminal is adjusted
Try out control air plug 6, sectional type terminal debugging electric current air plug 9, sectional type terminal debugging control air plug 7 and sectional type terminal
Debugging power supply air plug 8, the boundary type terminal debugging power supply air plug 5, boundary type terminal debugging control air plug 6, segmentation
Type terminal debugging electric current air plug 9, sectional type terminal debugging control air plug 7 and sectional type terminal debugging power supply air plug 8 divide
It is not connected by air plug control line with distribution automation terminal.
The distribution automation terminal comprehensive debugging device that the present embodiment proposes, using analog switch device, pass through realization pair
Divide-shut brake circuit controls, complete the simulation of distribution automation terminal divide-shut brake action；Microcomputer Protection tester is used to open now
The common Microcomputer Protection tester in terminal FTU or DTU scene is closed, user can control each analog quantity by Microcomputer Protection tester
Output and change procedure distribution automation terminal is tested；Boundary type terminal debugging power supply air plug 5, boundary type is whole
End debugging control air plug 6, sectional type terminal debugging electric current air plug 9, sectional type terminal debugging control air plug 7 and sectional type
Terminal debugging is aviation plug with the integration packaging of power supply air plug 8, avoids the appearance of various, the mixed and disorderly phenomenon of secondary line, using with
Aviation plug identical material, structure and mounting means on distribution automation terminal, convenient disassembly, by integrated boundary type and
The various air plug control lines of sectional type debugging air plug, operating efficiency when improving multiple terminals debugging, sectional type and boundary type switch
Usually sentence to spool and be placed in combined test chamber, take out during application；The application is by the common experiment of all types of distribution automation terminals
Project focus on it is one removable, light easily on comprehensive debugging device, it is distant using can correctly show distribution automation terminal
The analog switch device that control instruction is correctly assigned, which coordinates, completes the distant debugging of distribution automation terminal three, avoids staff from lifting
Switch debugging deficiency, reduce labour redundancy, reduce cost of labor, conveniently complete to boundary type and sectional type distribution from
The debugging of dynamicization terminal, while unnecessary action frequency is reduced, shorten distribution automation terminal band hidden danger defect run time.
In the another middle embodiment of the application, above-mentioned analog switch device includes switching winding, closing coil, separating brake
Control loop and shutting-brake control loop, the switching winding, closing coil, separating brake control loop and shutting-brake control loop are set respectively
Put in combined test chamber, the switching winding is connected with separating brake control loop, the closing coil and separating brake control loop string
Connection.
Above-mentioned analog switch device also includes being arranged on separating brake indicator lamp 14 in test panel, opening button 13, closed
Lock indicator lamp 16 and switch knob 15；The separating brake indicator lamp 14 and opening button 13 are connected with separating brake control loop respectively, institute
State combined floodgate indicator lamp 16 and switch knob 15 is connected with shutting-brake control loop respectively.It is right by opening button 13 and switch knob 15
Separating brake control loop, shutting-brake control loop control, complete the simulation of switch divide-shut brake action
In the another embodiment of the application, energy storage instruction component 17, the storage are additionally provided with above-mentioned test panel
It can indicate that component includes the extension spring connecting lever connected with energy-stored spring, hang spring connecting lever and connecting rod, connecting rod connection energy storage are connected by lever
Direction board, back-moving spring is connected with energy storage direction board.Indicate that component is analog switch device energy storage by energy storage, so as to complete
Switch the locking of divide-shut brake action.
In the another embodiment of the application, the side of above-mentioned combined test chamber is provided with power switch 18 and general supply
Aviation plug 19, the power switch 18 are connected with general supply aviation plug 19, and the general supply aviation plug 19 passes through power supply
Line is connected with control power supply box.
Above-mentioned boundary type terminal is debugged with power supply air plug 5, boundary type terminal debugging control air plug 6, sectional type terminal
Debugging electric current boat 9 is inserted, sectional type terminal debugging control air plug 7 and sectional type terminal debugging power supply air plug 8 are respectively adopted
Roller structure.
Voltmeter 10, three-phase electricity flow table 11 and zero-sequence current table 12 are additionally provided with above-mentioned test panel.Pass through voltage
Table 10, three-phase electricity flow table 11 and zero-sequence current table 12 show voltage, the current information of distribution automation terminal to concentrate.
The corner of above-mentioned combined test chamber bottom is respectively arranged with the universal wheel 20 of belt lock catch.Pass through the universal of belt lock catch
Wheel 20, ensure that comprehensive debugging device will not be caused improper movement by external force, comprehensive debugging device is fast moved and surely
Fixed bit, realize being convenient for carrying and using time saving and energy saving for comprehensive debugging device.
A kind of application method of distribution automation terminal comprehensive debugging device, comprises the following steps：
Step 1, comprehensive debugging device is moved to distribution automation terminal place warehouse or working site to be debugged, moved
After moving in place, by four universal wheel lockings, prevent comprehensive debugging device from sliding；
Step 2, the air plug of distribution automation terminal current application pulled out, according to the class of distribution-network automation switch terminal
Type, if distribution-network automation switch terminal is boundary type terminal, boundary type terminal is debugged with control air plug using air plug control line
It is connected with power supply air plug with distribution-network automation switch terminal；If distribution-network automation switch terminal is sectional type terminal, using air plug
Sectional type terminal is debugged and is connected with control air plug, electric current air plug and control air plug with distribution-network automation switch terminal by control line；
Step 3, using power line by the general supply aviation plug on combined test chamber with control power supply box be connected；
Step 4, different pulse currents and voltage are applied using Microcomputer Protection tester, carry out the three of distribution automation terminal
Distant functional test.
The application method for the distribution automation terminal comprehensive debugging device that the present embodiment proposes, not only can be quickly to warehouse
Interior various types of distribution automation terminals carry out three distant functional tests, can with quick aligning operation distribution automation
Switch terminal carries out three distant functional tests, does not influence the normal operation of distribution-network automation switch terminal, it is not necessary to have a power failure, carry significantly
High debugging efficiency, reduces labor intensity.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (10)
1. a kind of distribution automation terminal comprehensive debugging device, it is characterized in that, including combined test chamber, the combined test chamber
Internal to be separated into two parts by dividing plate, the top of the combined test chamber is provided with the standing groove of a rectangle, the standing groove
Microcomputer relay protection tester is inside placed with, the combined test chamber is provided with analog switch device, passes through the analog switch
Device carries out the simulation of distribution automation terminal divide-shut brake action, and test panel is additionally provided with the combined test chamber, described
Boundary type terminal debugging power supply air plug, boundary type terminal debugging control air plug, sectional type terminal are provided with test panel
Debugging electric current air plug, the debugging of sectional type terminal use power supply air plug, the boundary type with control air plug and the debugging of sectional type terminal
Terminal debugging power supply air plug, boundary type terminal debugging control air plug, sectional type terminal debugging electric current air plug, sectional type are whole
End debugging passes through air plug control line and distribution automation terminal respectively with control air plug and sectional type terminal debugging power supply air plug
Connection.
2. a kind of distribution automation terminal comprehensive debugging device according to claim 1, it is characterized in that, the analog switch
Device includes switching winding, closing coil, separating brake control loop and shutting-brake control loop, the switching winding, closing coil, divides
Lock control loop and shutting-brake control loop are separately positioned in combined test chamber, the switching winding and separating brake control loop string
Connection, the closing coil are connected with separating brake control loop.
3. a kind of distribution automation terminal comprehensive debugging device according to claim 1, it is characterized in that, the analog switch
Device also includes separating brake indicator lamp, opening button, combined floodgate indicator lamp and the switch knob being arranged in test panel；The separating brake
Indicator lamp and opening button are connected with separating brake control loop respectively, the combined floodgate indicator lamp and switch knob respectively with shutting-brake control
Loop connects.
4. a kind of distribution automation terminal comprehensive debugging device according to claim 1, it is characterized in that, the test panel
On be additionally provided with energy storage instruction component, energy storage instruction component includes the extension spring connecting lever connected with energy-stored spring, extension spring connecting lever
Connecting rod is connected by lever, connecting rod connects energy storage direction board, back-moving spring is connected with energy storage direction board.
5. a kind of distribution automation terminal comprehensive debugging device according to claim 1, it is characterized in that, the compbined test
The side of case is provided with power switch and general supply aviation plug, and the power switch is connected with general supply aviation plug, described
General supply aviation plug is connected by power line with control power supply box.
6. a kind of distribution automation terminal comprehensive debugging device according to claim 1, it is characterized in that, the boundary type is whole
Hold debugging power supply air plug, boundary type terminal debugging control air plug, sectional type terminal debugging electric current air plug, sectional type terminal
Roller structure is respectively adopted with power supply air plug with control air plug and the debugging of sectional type terminal in debugging.
7. a kind of distribution automation terminal comprehensive debugging device according to claim 1, it is characterized in that, the test panel
On be additionally provided with voltmeter, three-phase electricity flow table and zero-sequence current table.
8. a kind of distribution automation terminal comprehensive debugging device according to claim 1, it is characterized in that, the compbined test
The corner in bottom portion is respectively arranged with the universal wheel of belt lock catch, and the inside of the combined test chamber is separated into two by dividing plate
Point, two chamber doors are provided with the combined test chamber, door lock is provided with chamber door.
9. a kind of application method of distribution automation terminal comprehensive debugging device as any one of claim 1-8, its
It is characterized in, comprises the following steps：
Step 1, comprehensive debugging device is moved to the distribution automation terminal place place for needing to debug, will after moving into place
Four universal wheel lockings；
Step 2, the air plug of distribution automation terminal pulled out, according to the type of distribution-network automation switch terminal, using air plug control
Air plug corresponding with the type to distribution automation terminal in test panel is connected by line processed with distribution automation terminal；
Step 3, using power line by the general supply aviation plug on combined test chamber with control power supply box be connected；
Step 4, different pulse currents and voltage are applied using Microcomputer Protection tester, carry out three distant work(of distribution automation terminal
Can test.
10. the application method of distribution automation terminal comprehensive debugging device according to claim 9, it is characterized in that, it is described
In step 2, if distribution-network automation switch terminal is boundary type terminal, the debugging of boundary type terminal is controlled using air plug control line
Air plug and power supply air plug are connected with distribution-network automation switch terminal；If distribution-network automation switch terminal is sectional type terminal, use
Air plug control line debugs sectional type terminal to be connected with control air plug, electric current air plug and control air plug and distribution-network automation switch terminal
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710675442.XA CN107478931B (en) | 2017-08-09 | 2017-08-09 | Comprehensive debugging device and method for distribution network automation terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710675442.XA CN107478931B (en) | 2017-08-09 | 2017-08-09 | Comprehensive debugging device and method for distribution network automation terminal |
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| CN107478931A true CN107478931A (en) | 2017-12-15 |
| CN107478931B CN107478931B (en) | 2023-09-08 |
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ID=60598988
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| CN109470941A (en) * | 2018-03-09 | 2019-03-15 | 金华送变电工程有限公司 | A kind of power distribution automation aviation plug formula primary equipment simulation terminal system and method |
| CN109969731A (en) * | 2017-12-28 | 2019-07-05 | 国网山东省电力公司电力科学研究院 | A kind of distribution power automation terminal detection pallet of Auto-matching |
| CN110579665A (en) * | 2019-10-11 | 2019-12-17 | 国网宁夏电力有限公司吴忠供电公司 | multifunctional interface simulation circuit breaker for power distribution network |
| CN110579663A (en) * | 2019-09-29 | 2019-12-17 | 国网宁夏电力有限公司吴忠供电公司 | Portable power distribution network terminal DTU debugging switching device and debugging method |
| CN113325304A (en) * | 2021-06-03 | 2021-08-31 | 国网江苏省电力有限公司常州供电分公司 | High-voltage circuit breaker detection device and detection method thereof |
| CN113939137A (en) * | 2021-10-18 | 2022-01-14 | 广东电网有限责任公司 | Handheld intelligent debugging assistant device for power distribution automation terminal |
| CN113985169A (en) * | 2021-10-26 | 2022-01-28 | 广东电网有限责任公司 | Relay test protection instrument and FTU's termination |
| CN113985169B (en) * | 2021-10-26 | 2024-04-30 | 广东电网有限责任公司 | Wiring device of relay protection tester and FTU |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109969731A (en) * | 2017-12-28 | 2019-07-05 | 国网山东省电力公司电力科学研究院 | A kind of distribution power automation terminal detection pallet of Auto-matching |
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| CN113985169B (en) * | 2021-10-26 | 2024-04-30 | 广东电网有限责任公司 | Wiring device of relay protection tester and FTU |
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|---|---|
| CN107478931B (en) | 2023-09-08 |
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