CN114914874B - Feeder terminal relay terminal box and installation method - Google Patents
Feeder terminal relay terminal box and installation method Download PDFInfo
- Publication number
- CN114914874B CN114914874B CN202210634087.2A CN202210634087A CN114914874B CN 114914874 B CN114914874 B CN 114914874B CN 202210634087 A CN202210634087 A CN 202210634087A CN 114914874 B CN114914874 B CN 114914874B
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- box
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- 238000009434 installation Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000011900 installation process Methods 0.000 claims description 12
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/117—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes for multiconductor cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/16—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes structurally associated with support for line-connecting terminals within the box
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
-
- 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
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
Abstract
The invention relates to a feeder terminal relay terminal box and an installation method thereof, and belongs to the technical field of power distribution equipment. The technical scheme of the invention is as follows: the 26-core aviation plug (7) is connected to the primary on-column circuit breaker aviation plug interface, the 26-core aviation socket (2) is welded at the bottom of the waterproof junction box (1) through an opening, one end of the current connecting wire (5) and one end of the signal connecting wire (6) are welded with the 26-core aviation plug (7), and the other end of the current connecting wire penetrates into the waterproof junction box (1) to be welded with the 26-core aviation socket (2); one end of the voltage connecting wire (4) is connected to the secondary side of the voltage transformers on two sides of the pole-mounted circuit breaker, the other end of the voltage connecting wire is fixedly connected to the upper opening of the voltage terminal strip (8), and the lower opening of the voltage terminal strip (8) is connected with the intelligent feeder terminal voltage connecting wire. The beneficial effects of the invention are as follows: under the condition that the primary pole-mounted circuit breaker transmits power, the FTU can be installed on site under the condition that the circuit is not powered off, so that the power supply reliability is effectively improved, and the access efficiency of the FTU is improved.
Description
Technical Field
The invention relates to a feeder terminal relay terminal box and an installation method thereof, and belongs to the technical field of power distribution equipment.
Background
With the continuous advancement of distribution automation work in recent years, the number of distribution automation equipment has increased, and all newly installed on-column circuit breakers must be synchronously configured with intelligent Feeder Terminals (FTUs) according to distribution automation work management requirements. However, since primary equipment such as the on-pole circuit breaker is early in arrival, the FTU needs to conduct a series of operations before commissioning such as export of encryption certificates, issuing of formal certificates by the electric department, communication debugging and transmission after all electric departments detect the goods, and the commissioning period is long. However, due to the restrictions of engineering progress, power outage plan approval, site construction condition change and the like, particularly due to the popularization of 'coal to electricity' work in recent years, the number of equipment such as on-column circuit breakers and FTUs (fiber to the air) which are marked by power supply companies is greatly increased, particularly the construction period of 'coal to electricity' work is compact, the on-column circuit breakers often need to be installed and put into operation along with primary line transformation before the FTUs, and the on-site installation of the FTUs is carried out after the complete debugging of the line secondary power outage, so that the improvement of the power supply reliability of the power supply companies is influenced, and meanwhile, the on-site installation of the FTUs is slowed down due to the restrictions of indexes such as power outage plan approval and high-quality service, and great resistance is caused to the improvement of the distribution automation coverage rate. Meanwhile, as the running years of some FTUs reach the upper limit or the number of the FTUs which have faults and need to be replaced on site is increased in recent years, the FTUs are installed on site in a power failure mode, and various indexes of the power supply reliability of a company are continuously influenced.
Disclosure of Invention
The invention aims to provide a feeder terminal relay terminal box and an installation method, which can be used for carrying out field installation on an FTU under the condition that a circuit is not powered off under the condition that a primary pole circuit breaker is powered on, so that the power supply reliability is effectively improved, and the access efficiency of the FTU is improved; the purpose of correcting the voltage wiring without high-voltage power failure can be achieved by adjusting the wiring sequence of the voltage terminal strip in the waterproof junction box under the condition that the secondary side of the voltage transformer is misplaced; the voltage wiring modes of different manufacturers are different, and the problem in the background technology is effectively solved by adjusting the voltage wiring of the voltage terminal strip, so that the on-site FTU can be replaced at any time without power failure, the convenience of operation and maintenance of the distribution network automation equipment is improved.
The technical scheme of the invention is as follows: the utility model provides a feeder terminal relay terminal box, contains waterproof terminal box, 26 core aviation sockets, voltage connecting wire, electric current connecting wire, signal connecting wire, 26 core aviation plugs, voltage terminal row, cross arm and adjustable staple bolt, waterproof terminal box passes through cross arm and adjustable staple bolt to be fixed in pole intermediate position; the 26-core aviation plug is connected to the primary column breaker aviation plug connector, the 26-core aviation plug is welded at the bottom of the waterproof junction box through an opening, one end of the current connecting wire and one end of the signal connecting wire are welded with the 26-core aviation plug, and the other end of the current connecting wire penetrates into the waterproof junction box to be welded with the 26-core aviation plug; the voltage terminal row has two sets of, is upper shed and lower shed respectively, sets up in waterproof terminal box, and two voltage connecting wire one end is connected to the secondary side of circuit breaker both sides voltage transformer on the post respectively, and two voltage connecting wire other end are fixed connection to the upper shed of voltage terminal row respectively, and intelligent feeder terminal voltage connecting wire is connected to the lower shed of voltage terminal row.
The upper surface and the lower surface of waterproof terminal box set up waterproof wiring hole respectively, and waterproof wiring hole's quantity is six, and four wherein set up the upper surface at waterproof terminal box for voltage connecting wire, electric current connecting wire and signal connecting wire penetrate, and two other settings are at the lower surface of waterproof terminal box for intelligent feeder terminal voltage connecting wire penetrates.
The voltage connecting wires are two, one current connecting wire and one signal connecting wire are respectively arranged, and one current connecting wire, one signal connecting wire and two voltage connecting wires penetrate into four waterproof wiring holes on the upper surface of the waterproof junction box respectively.
The voltage connecting wire and the current connecting wire are 6-core cables with the length of 5 meters, and the signal connecting wire is 20-core cable with the length of 5 meters.
The cross arms are two, the two cross arms are fixedly connected with the waterproof junction box through screws, and the specification of the cross arms is 250mm.
The two adjustable hoops fix the waterproof junction box on the electric pole, and the specification is 300mm.
The installation method of the relay terminal box of the feeder terminal comprises a primary pole-mounted breaker installation process and an intelligent feeder terminal installation process;
primary pole-mounted circuit breaker installation process:
(1) the waterproof junction box is fixed at the middle position of the electric pole through the cross arm and the adjustable anchor ear, and is a box body meeting the requirements of water resistance and corrosion resistance at the same time and used for providing fixed positions for the voltage terminal strip and the 26-core aviation socket;
(2) inserting a 26-core aviation plug to an aviation plug interface of a primary column breaker to finish current and signal acquisition;
(3) two voltage connecting wires are respectively connected to the secondary sides of the voltage transformers on the two sides of the pole-mounted circuit breaker, so that voltage acquisition is completed;
(4) the installation work is completed, the operation is simple, and the wiring is convenient;
intelligent Feeder Terminal (FTU) installation process:
(1) inserting the 26-core aviation plug of the intelligent feeder terminal into a 26-core aviation socket below the waterproof junction box;
(2) opening a waterproof junction box cover plate, and connecting the intelligent feeder terminal voltage connecting wire to the lower openings of two groups of voltage terminal rows in the waterproof junction box through two waterproof junction holes below the waterproof junction box;
(3) and the waterproof junction box cover plate is screwed, and all wiring of the intelligent feeder terminal is completed rapidly under the condition that power failure is not required.
The beneficial effects of the invention are as follows: under the condition that the primary pole-mounted circuit breaker transmits power, the FTU can be installed on site under the condition that the circuit is not powered off, so that the power supply reliability is effectively improved, and the access efficiency of the FTU is improved; the purpose of correcting the voltage wiring without high-voltage power failure can be achieved by adjusting the wiring sequence of the voltage terminal strip in the waterproof junction box under the condition that the secondary side of the voltage transformer is misplaced; the voltage wiring modes of different manufacturers are different, and the problem that the voltage wiring of the voltage terminal strip is adjusted can be solved, so that the on-site FTU can be replaced at any time without power failure, and the convenience of operation and maintenance of the distribution network automation equipment is improved.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a schematic view of the internal structure of the waterproof junction box of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a top view of the waterproof junction box of the present invention;
fig. 5 is a bottom view of the waterproof junction box of the present invention;
FIG. 6 is a schematic view of the overall installation of the present invention;
in the figure: waterproof terminal box 1, 26 core aviation socket 2, waterproof wiring hole 3, voltage connecting wire 4, electric current connecting wire 5, signal connecting wire 6, 26 core aviation plug 7, voltage terminal row 8, cross arm 9, adjustable staple bolt 10, on-column circuit breaker aviation plug interface 11, voltage transformer 12, intelligent feeder terminal 13.
Detailed Description
The following describes the technical scheme of the present invention in further detail by referring to the accompanying drawings and examples, which are preferred examples of the present invention. It should be understood that the described embodiments are merely some, but not all, embodiments of the present invention; it should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a feeder terminal relay terminal box, contains waterproof terminal box 1, 26 core aviation socket 2, voltage connecting wire 4, electric current connecting wire 5, signal connecting wire 6, 26 core aviation plug 7, voltage terminal row 8, cross arm 9 and adjustable staple bolt 10, waterproof terminal box 1 is fixed in pole intermediate position through cross arm 9 and adjustable staple bolt 10; the 26-core aviation plug 7 is connected to the primary on-column breaker aviation plug interface, the 26-core aviation socket 2 is welded at the bottom of the waterproof junction box 1 through an opening, one ends of the current connecting wire 5 and the signal connecting wire 6 are welded with the 26-core aviation plug 7, and the other ends penetrate into the waterproof junction box 1 and are welded with the 26-core aviation socket 2; the voltage terminal strip 6 has two sets of, is upper shed and lower shed respectively, sets up in waterproof terminal box 1, and two voltage connecting wire 4 one end is connected to the secondary side of circuit breaker both sides voltage transformer on the post respectively, and two voltage connecting wire 4 other end are fixed connection to the upper shed of voltage terminal strip 8 respectively, and intelligent feeder terminal voltage connecting wire is connected to the lower shed of voltage terminal strip 8.
The upper surface and the lower surface of waterproof terminal box 1 set up waterproof wiring hole 3 respectively, and waterproof wiring hole 3's quantity is six, and four wherein set up the upper surface at waterproof terminal box 1 for voltage connecting wire 4, electric current connecting wire 5 and signal connecting wire 6 penetrate, and two other settings are at the lower surface of waterproof terminal box 1 for intelligent feeder terminal voltage connecting wire penetrates.
The voltage connecting wires 4 are two, one current connecting wire 5 and one signal connecting wire 6 are respectively arranged, and one current connecting wire 5, one signal connecting wire 6 and two voltage connecting wires 4 respectively penetrate into four waterproof wiring holes 3 on the upper surface of the waterproof junction box 1.
The voltage connecting wire 4 and the current connecting wire 5 are 6-core cables with the length of 5 meters, and the signal connecting wire 6 is 20-core cable with the length of 5 meters.
The number of the cross arms 9 is two, the two cross arms 9 are fixedly connected with the waterproof junction box 1 through screws, and the specification of the cross arms is 250mm.
Two adjustable anchor clamps 10 are provided, and two adjustable anchor clamps 10 are fixed waterproof terminal box 1 on the pole, and the specification is 300mm.
In practical application, the working process of the invention is divided into a primary on-column breaker installation process and an FTU installation process.
The installation process of the primary pole-mounted circuit breaker is matched:
(1) the waterproof junction box is fixed at the middle position of the electric pole through the cross arm 9 and the adjustable hoop 10, the waterproof junction box is a box body which is 240-160-100 mm and meets waterproof and corrosion-resistant requirements, and the waterproof junction box is used for providing fixed positions for the voltage terminal strip and the 26-core aviation socket;
(2) inserting a 26-core aviation plug 7 to an on-column breaker aviation plug interface to complete current and signal acquisition;
(3) two voltage connecting wires 4 are respectively connected to the secondary sides of voltage transformers (PT) on two sides of the pole-mounted circuit breaker, so that voltage acquisition is completed;
(4) the installation work is completed, the operation is simple, and the wiring is convenient.
Intelligent Feeder Terminal (FTU) installation process:
(1) inserting an FTU 26-core aviation plug into a 26-core aviation socket 2 below the waterproof junction box 1;
(2) opening a waterproof junction box cover plate, and connecting the FTU voltage connecting wire to the lower openings of two groups of voltage terminal rows 8 in the waterproof junction box through two waterproof junction holes 3 below the waterproof junction box;
(3) tightening the waterproof junction box cover plate, and completing all the wiring of the FTU rapidly under the condition that the circuit does not need power failure.
The beneficial effects of the invention are as follows:
1. under the condition that the primary pole-mounted circuit breaker transmits power, the FTU can be installed on site under the condition that the circuit is not powered off, so that the power supply reliability is effectively improved, and the access efficiency of the FTU is improved.
2. According to the invention, the purpose of correcting voltage wiring without high-voltage power failure can be achieved by adjusting the wiring sequence of the voltage terminal strip in the waterproof junction box under the condition of secondary side error of the voltage transformer.
3. With the continuous development of the power distribution automation profession, the running period of the general FTU is 8-10 years, the situation that the FTU is more and more in excess of the running period of the FTU or the FTU fault needs to be replaced on site is more and more, the FTU26 core aerial plug of different factories can be general, but the voltage wiring modes are different from each other, if the voltage wiring modes of different factories are different in a power supply and a power supply separation type, the problem that the FTU is replaced on site at any time without power failure can be solved by adjusting the voltage wiring of the voltage terminal strip of different factories, and the convenience of operation and maintenance of the distribution network automation equipment is improved.
Claims (6)
1. A feeder terminal relay terminal box which is characterized in that: the waterproof terminal box comprises a waterproof terminal box (1), a 26-core aviation socket (2), a voltage connecting wire (4), a current connecting wire (5), a signal connecting wire (6), a 26-core aviation plug (7), a voltage terminal row (8), a cross arm (9) and an adjustable anchor ear (10), wherein the waterproof terminal box (1) is fixed at the middle position of an electric pole through the cross arm (9) and the adjustable anchor ear (10); the 26-core aviation plug (7) is connected to the primary on-column circuit breaker aviation plug interface, the 26-core aviation socket (2) is welded at the bottom of the waterproof junction box (1) through an opening, one end of the current connecting wire (5) and one end of the signal connecting wire (6) are welded with the 26-core aviation plug (7), and the other end of the current connecting wire penetrates into the waterproof junction box (1) to be welded with the 26-core aviation socket (2); the voltage terminal row (8) has two sets of mouthful and lower mouth respectively, sets up in waterproof terminal box (1), and two voltage connecting wire (4) one end are connected to the secondary side of circuit breaker both sides voltage transformer on the post respectively, and two voltage connecting wire (4) other end are fixed connection to the last mouthful of voltage terminal row (8) respectively, and intelligent feeder terminal voltage connecting wire is connected to the lower mouth of voltage terminal row (8).
2. A feeder terminal relay terminal box according to claim 1, wherein: the upper surface and the lower surface of waterproof terminal box (1) set up waterproof wiring hole (3) respectively, and the quantity of waterproof wiring hole (3) is six, and four wherein set up the upper surface at waterproof terminal box (1) for voltage connecting wire (4), electric current connecting wire (5) and signal connecting wire (6) penetrate, and two other sets up the lower surface at waterproof terminal box (1) for intelligent feeder terminal voltage connecting wire penetrates.
3. A feeder terminal relay terminal box according to claim 2, wherein: the voltage connecting wires (4) are two, one current connecting wire (5) and one signal connecting wire (6) are respectively arranged, and one current connecting wire (5), one signal connecting wire (6) and two voltage connecting wires (4) penetrate into four waterproof wiring holes (3) on the upper surface of the waterproof junction box (1) respectively.
4. A feeder terminal relay terminal box according to claim 1 or 2, characterized in that: the number of the cross arms (9) is two, and the two cross arms are fixedly connected with the waterproof junction box (1) through screws.
5. A feeder terminal relay terminal box according to claim 1 or 2, characterized in that: the two adjustable hoops (10) are arranged, and the two adjustable hoops (10) fix the waterproof junction box (1) on the electric pole.
6. A method of installing a feeder terminal relay terminal box, employing the terminal box defined in any one of claims 1 to 5, characterized in that: the method comprises a primary pole-mounted breaker installation process and an intelligent feeder terminal installation process;
primary pole-mounted circuit breaker installation process:
(1) the waterproof junction box is fixed at the middle position of the electric pole through the cross arm (9) and the adjustable anchor ear (10), and is a box body meeting the requirements of water resistance and corrosion resistance at the same time and used for providing a fixed position for the voltage terminal strip and the 26-core aviation socket;
(2) inserting a 26-core aviation plug (7) to an aviation plug port of a primary column breaker to complete current and signal acquisition;
(3) two voltage connecting wires (4) are respectively connected to the secondary sides of the voltage transformers at the two sides of the pole-mounted circuit breaker, so that voltage acquisition is completed;
(4) the installation work is completed, the operation is simple, and the wiring is convenient;
the intelligent feeder terminal installation process comprises the following steps:
(1) inserting a 26-core aviation plug of the intelligent feeder terminal into a 26-core aviation socket (2) below the waterproof junction box (1);
(2) opening a waterproof junction box cover plate, and connecting the intelligent feeder terminal voltage connecting wire to the lower openings of two groups of voltage terminal rows (8) in the waterproof junction box through two waterproof junction holes (3) below the waterproof junction box;
(3) and the waterproof junction box cover plate is screwed, and all wiring of the intelligent feeder terminal is completed rapidly under the condition that power failure is not required.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210634087.2A CN114914874B (en) | 2022-06-07 | 2022-06-07 | Feeder terminal relay terminal box and installation method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210634087.2A CN114914874B (en) | 2022-06-07 | 2022-06-07 | Feeder terminal relay terminal box and installation method |
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Publication Number | Publication Date |
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CN114914874A CN114914874A (en) | 2022-08-16 |
CN114914874B true CN114914874B (en) | 2023-11-07 |
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CN202210634087.2A Active CN114914874B (en) | 2022-06-07 | 2022-06-07 | Feeder terminal relay terminal box and installation method |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN208352659U (en) * | 2018-07-20 | 2019-01-08 | 广东电网有限责任公司 | Socket |
CN208368861U (en) * | 2018-05-29 | 2019-01-11 | 国网江西省电力有限公司电力科学研究院 | A kind of storage pole-mounted circuit breaker power distribution automation transformation air plug conversion equipment |
CN210838818U (en) * | 2019-11-11 | 2020-06-23 | 广州供电局有限公司 | Wiring device |
CN212111482U (en) * | 2019-12-04 | 2020-12-08 | 广西电网有限责任公司南宁供电局 | Conversion operation box |
CN216215756U (en) * | 2021-10-29 | 2022-04-05 | 国网江苏省电力有限公司常州供电分公司 | Automatic terminal acceptance device of 10kV pole-mounted switch |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10724341B2 (en) * | 2017-08-14 | 2020-07-28 | Schlumberger Technology Corporation | Electrical power transmission for well construction apparatus |
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2022
- 2022-06-07 CN CN202210634087.2A patent/CN114914874B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN208368861U (en) * | 2018-05-29 | 2019-01-11 | 国网江西省电力有限公司电力科学研究院 | A kind of storage pole-mounted circuit breaker power distribution automation transformation air plug conversion equipment |
CN208352659U (en) * | 2018-07-20 | 2019-01-08 | 广东电网有限责任公司 | Socket |
CN210838818U (en) * | 2019-11-11 | 2020-06-23 | 广州供电局有限公司 | Wiring device |
CN212111482U (en) * | 2019-12-04 | 2020-12-08 | 广西电网有限责任公司南宁供电局 | Conversion operation box |
CN216215756U (en) * | 2021-10-29 | 2022-04-05 | 国网江苏省电力有限公司常州供电分公司 | Automatic terminal acceptance device of 10kV pole-mounted switch |
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CN114914874A (en) | 2022-08-16 |
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