CN114914874A - Feeder terminal relay terminal box and installation method - Google Patents

Feeder terminal relay terminal box and installation method Download PDF

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Publication number
CN114914874A
CN114914874A CN202210634087.2A CN202210634087A CN114914874A CN 114914874 A CN114914874 A CN 114914874A CN 202210634087 A CN202210634087 A CN 202210634087A CN 114914874 A CN114914874 A CN 114914874A
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CN
China
Prior art keywords
voltage
connecting wire
waterproof
junction box
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210634087.2A
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Chinese (zh)
Other versions
CN114914874B (en
Inventor
郭乃畅
王澎续
韦建航
陈宇涵
王子晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Tangshan Power Supply Co of State Grid Jibei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Tangshan Power Supply Co of State Grid Jibei Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Tangshan Power Supply Co of State Grid Jibei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202210634087.2A priority Critical patent/CN114914874B/en
Publication of CN114914874A publication Critical patent/CN114914874A/en
Application granted granted Critical
Publication of CN114914874B publication Critical patent/CN114914874B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/08Cable junctions
    • H02G15/10Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • H02G1/04Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/14Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/08Cable junctions
    • H02G15/10Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • H02G15/117Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes for multiconductor cables
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00Cable fittings
    • H02G15/08Cable junctions
    • H02G15/10Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • H02G15/16Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes structurally associated with support for line-connecting terminals within the box
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems 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
    • Y04S40/20Information 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, and belongs to the technical field of distribution equipment. The technical scheme of the invention is as follows: a 26-core aviation plug (7) is connected to a primary pole-mounted circuit breaker aerial connector, a hole of the 26-core aviation plug (2) is welded at the bottom of the waterproof junction box (1), one ends of a current connecting wire (5) and a signal connecting wire (6) are welded with the 26-core aviation plug (7), and the other ends of the current connecting wire and the signal connecting wire penetrate through the waterproof junction box (1) and are welded with the 26-core aviation plug (2); one end of a voltage connecting wire (4) is connected to the secondary sides of 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 a voltage terminal row (8), and the lower opening of the voltage terminal row (8) is connected with an intelligent feeder terminal voltage connecting wire. The invention has the beneficial effects that: the FTU can be installed on site under the condition that the power is not cut off in the circuit under the condition that the circuit breaker has transmitted power on the post once, power supply reliability is effectively improved, and FTU access efficiency is improved.

Description

Feeder terminal relay terminal box and installation method
Technical Field
The invention relates to a feeder terminal relay terminal box and an installation method, and belongs to the technical field of distribution equipment.
Background
With the continuous promotion of distribution automation work in recent years, the quantity of distribution automation equipment is increased rapidly, and according to the management requirement of distribution automation work, all newly-installed on-column circuit breakers have to be synchronously configured with intelligent Feeder Terminals (FTUs). However, primary equipment such as a pole-mounted circuit breaker and the like are in early delivery, and the FTU needs to carry out a series of work before commissioning such as encrypted certificate export, official certificate issuance, communication debugging, transmission and the like after all delivery departments detect the delivery, so that the commissioning period is long. However, due to the restriction of conditions such as project progress, power failure plan approval, field construction condition change and the like, particularly due to the popularization of coal-to-electricity work in recent years, the number of devices such as on-column circuit breakers and FTUs (fiber to the Unit) which are called by each power supply company increases rapidly, particularly, the construction period of the coal-to-electricity work is short, the task is heavy, the on-column circuit breakers need to be installed and operated before the FTUs along with one-time line transformation, and the FTUs must be installed on the field after all debugging is completed and then have secondary power failure, so that the improvement of the power supply reliability of the power supply companies is influenced, meanwhile, the field installation of the FTUs is slowed down due to the restriction of indexes such as power failure plan approval, high-quality service and the like, and great resistance is caused to the improvement of the coverage depth of power distribution automation. Meanwhile, with the fact that the operation years of some FTUs reach the upper limit or the number of FTUs which are failed and need to be replaced on site is increased in recent years, the FTUs need to be powered off and installed on site when the FTUs are completed, and all indexes of the power supply reliability of companies are continuously influenced.
Disclosure of Invention
The invention aims to provide a feeder terminal relay terminal box and an installation method, which can carry out field installation on an FTU under the condition that a circuit is not powered off under the condition that a primary pole-mounted circuit breaker is powered on, effectively improve the power supply reliability and improve the access efficiency of the FTU; the purpose of correcting voltage wiring without high-voltage power failure can be achieved by adjusting the wiring sequence of the voltage terminal rows in the waterproof junction box under the condition that the secondary side of the voltage transformer is connected in a wrong way; different voltage wiring modes of different manufacturers can be solved by adjusting voltage terminal block voltage wiring, so that the field FTU can be replaced at any time without power outage, the convenience of operation and maintenance of distribution network automation equipment is improved, and the problems in the background art are effectively solved.
The technical scheme of the invention is as follows: a feeder terminal relay terminal box comprises a waterproof junction box, a 26-core aviation socket, a voltage connecting wire, a current connecting wire, a signal connecting wire, a 26-core aviation plug, a voltage terminal bar, a cross arm and an adjustable anchor ear, wherein the waterproof junction box is fixed at the middle position of an electric pole through the cross arm and the adjustable anchor ear; the 26-core aviation plug is connected to the primary on-column circuit breaker aerial plug interface, the 26-core aviation socket is provided with a hole and welded at the bottom of the waterproof junction box, 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 and the other end of the signal connecting wire penetrate through the waterproof junction box and are welded with the 26-core aviation socket; the voltage terminal row has two sets ofly, and the mouth and end opening respectively set up in waterproof junction box, and voltage connecting wire one end is connected to the secondary side of circuit breaker both sides voltage transformer on the post, and other end fixed connection is to the mouth of going up of voltage terminal row, and intelligent feeder terminal voltage connecting wire is connected to the end opening of voltage terminal row.
The upper surface and the lower surface of waterproof terminal box set up waterproof wiring hole respectively, and the quantity in waterproof wiring hole is six, and wherein four settings are at the upper surface of waterproof terminal box for voltage connecting wire, current connecting wire and signal connection line penetrate, and two sets up the lower surface at waterproof terminal box in addition for intelligent feeder terminal voltage connecting wire penetrates.
The number of the voltage connecting wires is two, one current connecting wire and one signal connecting wire are arranged, and one current connecting wire, one signal connecting wire and two voltage connecting wires penetrate through four waterproof wiring holes in the upper surface of the waterproof wiring box respectively.
The voltage connecting wire and the current connecting wire are both 6-core cables with the length of 5 meters, and the signal connecting wire is a 20-core cable with the length of 5 meters.
The cross arm has two, and two cross arms pass through screw and waterproof terminal box fixed connection, and the cross arm specification is 250 mm.
The adjustable anchor ear has two, and two adjustable anchor ears are fixed waterproof terminal box on the pole, and the specification is 300 mm.
A method for installing a relay terminal box of a feeder terminal comprises a primary pole-mounted circuit breaker installation process and an intelligent feeder terminal installation process;
the primary pole-mounted circuit breaker mounting process:
firstly, a waterproof junction box is fixed in the middle of an electric pole through a cross arm and an adjustable hoop, and the waterproof junction box is a box body meeting the requirements of water resistance and corrosion resistance and is used for providing fixed positions for a voltage terminal row and a 26-core aviation socket;
inserting the 26-core aviation plug into an aviation plug interface of the primary on-column circuit breaker to finish current and signal acquisition;
connecting the two voltage connecting wires to the secondary sides of the voltage transformers on the two sides of the pole-mounted circuit breaker to finish voltage acquisition;
the installation work is finished, the operation is simple, and the wiring is convenient;
intelligent Feeder Terminal (FTU) installation:
firstly, inserting a 26-core aviation plug of an intelligent feeder terminal to a 26-core aviation socket below a waterproof junction box;
secondly, opening a cover plate of the waterproof junction box, and connecting the intelligent feeder terminal voltage connecting line to lower openings of two groups of voltage terminal rows in the waterproof junction box through two waterproof wiring holes below the waterproof junction box;
and thirdly, the cover plate of the waterproof junction box is screwed down, and all the connections of the intelligent feeder terminal are quickly completed under the condition that the power failure of the circuit is not needed.
The invention has the beneficial effects that: the FTU can be installed on site under the condition that the power is supplied to the primary on-column circuit breaker without power cut, so that the power supply reliability is effectively improved, and the access efficiency of the FTU is improved; the purpose of correcting voltage wiring without high-voltage power failure can be achieved by adjusting the wiring sequence of the voltage terminal rows in the waterproof junction box under the condition that the secondary side of the voltage transformer is connected in a wrong way; different producer's voltage wiring mode also can be solved through adjustment voltage terminal row voltage wiring, just can realize on-the-spot FTU and not cut off the power supply and change at any time, promotes the convenience of distribution network automation equipment fortune dimension.
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: the intelligent power supply comprises a waterproof junction box 1, a 26-core aviation socket 2, a waterproof wiring hole 3, 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, an adjustable hoop 10, a pole-mounted circuit breaker aerial plug interface 11, a voltage transformer 12 and an intelligent feeder terminal 13.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments, which are preferred embodiments of the present invention. It is to be understood that the described embodiments are merely a subset of the embodiments of the invention, and not all embodiments; it should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A feeder terminal relay 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 a primary on-column breaker aviation plug interface, the opening of the 26-core aviation socket 2 is welded at the bottom of the waterproof junction box 1, 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; two groups of voltage terminal rows 6 are provided, namely an upper opening and a lower opening, and are arranged in the waterproof junction box 1, one end of a voltage connecting wire 4 is connected to the secondary sides of 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 row 8, and the lower opening of the voltage terminal row 8 is connected with an intelligent feeder terminal voltage connecting wire.
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 of them set up the upper surface at waterproof terminal box 1 for voltage connecting wire 4, current connecting wire 5 and signal connection line 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 number of the voltage connecting wires 4 is 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 through the four waterproof wiring holes 3 on the upper surface of the waterproof wiring box 1.
The voltage connecting wire 4 and the current connecting wire 5 are both 6-core cables with the length of 5 meters, and the signal connecting wire 6 is a 20-core cable with the length of 5 meters.
The cross arm 9 has two, and two cross arms 9 pass through screw and waterproof terminal box 1 fixed connection, and the cross arm specification is 250 mm.
The adjustable anchor ear 10 has two, and two adjustable anchor ears 10 are fixed waterproof terminal box 1 on the pole, and the specification is 300 mm.
In practical application, the working process of the invention is divided into a column circuit breaker mounting process and an FTU mounting process.
The circuit breaker installation process on the cooperation one time post:
firstly, the waterproof junction box is fixed in the middle of an electric pole through a cross arm 9 and an adjustable hoop 10, and the waterproof junction box is a box body which is 240 mm by 160 mm by 100mm and meets the requirements of water resistance and corrosion resistance at the same time and is used for providing a fixed position for a voltage terminal row and a 26-core aviation socket;
inserting the 26-core aviation plug 7 to an aerial plug interface of the pole-mounted circuit breaker to finish current and signal acquisition;
connecting the two voltage connecting wires 4 to the secondary sides of voltage transformers (PT) on two sides of the pole-mounted circuit breaker to finish voltage acquisition;
and fourthly, the installation work is finished, the operation is simple, and the wiring is convenient.
Intelligent Feeder Terminal (FTU) installation:
inserting an FTU26 core aviation plug into a 26 core aviation socket 2 below a waterproof junction box 1;
secondly, opening a cover plate of the waterproof junction box, 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 wiring holes 3 below the waterproof junction box;
and thirdly, the cover plate of the waterproof junction box is screwed down, and all the connections of the FTU are quickly completed under the condition that the circuit does not need to be powered off.
The invention has the beneficial effects that:
1. under the condition that circuit breaker has transmitted power on the post once, can carry out the on-the-spot installation with FTU under the circumstances that the circuit does not have a power failure, effectively improve the power supply reliability, improve FTU and insert efficiency.
2. The voltage wiring modes of different FTU manufacturers are different, and the situation that voltage lines are connected in a wrong way is more and more seen from the fact that FTUs are put into operation in recent years.
3. With the continuous development of distribution automation major, the operation life of a general FTU is 8-10 years, more and more FTU operation life is exceeded or FTU faults need to be replaced on site, FTU26 cores of different manufacturers can be generally used for aviation plug, but voltage wiring modes of different manufacturers are different, and if the FTU operation life exceeds the FTU operation life or the FTU faults need to be replaced on site, the FTU operation life can be changed at any time without power outage by adjusting voltage terminal row voltage wiring of different manufacturers according to the invention, and the convenience of operation and maintenance of distribution network automation equipment is improved.

Claims (6)

1. The utility model provides a feeder terminal relaying terminal box which characterized in that: the power line connector comprises a waterproof junction box (1), a 26-core aviation socket (2), a voltage connecting line (4), a current connecting line (5), a signal connecting line (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 junction box (1) is fixed at the middle position of an electric pole through the cross arm (9) and the adjustable anchor ear (10); a 26-core aviation plug (7) is connected to a primary on-column circuit breaker aerial plug interface, a hole of the 26-core aviation socket (2) is welded at the bottom of the waterproof junction box (1), one end of a current connecting wire (5) and one end of a signal connecting wire (6) are welded with the 26-core aviation plug (7), and the other end of the current connecting wire penetrates through the waterproof junction box (1) and is welded with the 26-core aviation socket (2); two groups of voltage terminal rows (8) are provided, namely an upper opening and a lower opening which are respectively arranged in the waterproof junction box (1), one end of a voltage connecting wire (4) is connected to the secondary sides of 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 row (8), and the lower opening of the voltage terminal row (8) is connected with an intelligent feeder terminal voltage connecting wire.
2. A feeder terminal trunk box as claimed in 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 in waterproof wiring hole (3) is six, and wherein four settings are at the upper surface of waterproof terminal box (1) for voltage connecting wire (4), current connecting wire (5) and signal connection line (6) penetrate, and two other settings are at the lower surface of waterproof terminal box (1) for intelligent feeder terminal voltage connecting wire penetrates.
3. A feeder terminal trunk as claimed in claim 2, wherein: the voltage connecting lines (4) are two, one current connecting line (5) and one signal connecting line (6) are respectively arranged, and one current connecting line (5), one signal connecting line (6) and two voltage connecting lines (4) respectively penetrate into four waterproof connecting holes (3) on the upper surface of the waterproof junction box (1).
4. A feeder terminal trunk as claimed in claim 1 or 2, wherein: the waterproof junction box is 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 trunk box according to claim 1 or 2, wherein: the adjustable anchor ears (10) are two, and the waterproof junction box (1) is fixed on the electric pole by the two adjustable anchor ears (10).
6. A method of installing a feeder terminal trunk using a terminal box as defined in any one of claims 1 to 5, the method comprising: the method comprises a primary on-pole circuit breaker installation process and an intelligent feeder terminal installation process;
the primary pole-mounted circuit breaker mounting process:
firstly, a waterproof junction box is fixed in the middle of an electric pole through a cross arm (9) and an adjustable anchor ear (10), and the waterproof junction box is a box body meeting the requirements of water resistance and corrosion resistance and is used for providing fixed positions for a voltage terminal row and a 26-core aviation socket;
inserting a 26-core aviation plug (7) to an aviation plug interface of the primary on-column circuit breaker to finish current and signal acquisition;
connecting two voltage connecting wires (4) to the secondary sides of the voltage transformers on the two sides of the pole-mounted circuit breaker to finish voltage acquisition;
the installation work is finished, the operation is simple, and the wiring is convenient;
intelligent feeder terminal installation:
firstly, inserting a 26-core aviation plug of an intelligent feeder terminal to a 26-core aviation socket (2) below a waterproof junction box (1);
secondly, opening a cover plate of the waterproof junction box, 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 wiring holes (3) below the waterproof junction box;
and thirdly, the cover plate of the waterproof junction box is screwed down, and all the connections of the intelligent feeder terminal are quickly completed under the condition that the power failure of the circuit is not needed.
CN202210634087.2A 2022-06-07 2022-06-07 Feeder terminal relay terminal box and installation method Active CN114914874B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
CN202210634087.2A CN114914874B (en) 2022-06-07 2022-06-07 Feeder terminal relay terminal box and installation method

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CN114914874B CN114914874B (en) 2023-11-07

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US20190048686A1 (en) * 2017-08-14 2019-02-14 Schlumberger Technology Corporation Electrical Power Transmission for Well Construction Apparatus
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190048686A1 (en) * 2017-08-14 2019-02-14 Schlumberger Technology Corporation Electrical Power Transmission for Well Construction Apparatus
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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