CN106451220A - Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower - Google Patents
Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower Download PDFInfo
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- CN106451220A CN106451220A CN201611088882.7A CN201611088882A CN106451220A CN 106451220 A CN106451220 A CN 106451220A CN 201611088882 A CN201611088882 A CN 201611088882A CN 106451220 A CN106451220 A CN 106451220A
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- Prior art keywords
- cable
- equipment
- flexible cable
- side flexible
- bypass
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Classifications
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses bypass equipment and method for live replacement of equipment on a same-tower multi-loop pole tower. The bypass equipment comprises a power-source-side flexible cable, a load-side flexible cable and a through connection cable, a first end of the power-source-side flexible cable is connected to a power source side of a power distribution line through a cable connector, a first end of the load-side flexible cable is connected to a load side of the power distribution line through a cable connector, and a switch is serially connected on each of the power-source-side flexible cable and the load-side flexible cable; two ends of the through connection cable are connected with second ends of the power-source-side flexible cable and the load-side flexible cable respectively, and the power-source-side flexible cable, the load-side flexible cable and the through connection cable form a short-circuit bypass in parallel connection with the power distribution line. According to the method, the bypass equipment is utilized to form the short-circuit bypass on the power distribution line needing maintenance or equipment replacement, and maintenance, fault quick repair and equipment replacement of the power distribution line are completed while power supply is continuous, so that power failure range is narrowed.
Description
Technical field
The present invention relates to electric power overhaul apparatus field, more particularly, to a kind of charged for replacement is with equipment on bar multi-circuit tower
Bypass equipment and method.
Background technology
Due to the anxiety in soil, by the way of a large amount of erection high-tension distributing line using same bar multiloop of power system, one
The complex device of multi circuit transmission lines is had on the circuit of at least more than three times, and same bar on electric pole, thus reducing power circuit
Occupation of land usable floor area.
But this circuit concentrating erection is due to equipment installation closely, narrow space, and hotline maintenance and more exchange device are just very
Difficulty is carried out, it is necessary to several circuits have a power failure simultaneously when having equipment need maintenance, change, then faulty equipment is examined
Repair or change.So that power failure range is expanded, bring loss to national economy.
Thus, the present inventor relies on experience and the practice being engaged in relevant industries for many years, proposes a kind of charged for replacement many with bar
The bypass equipment of equipment and method in circuit pole tower, to overcome the defect of prior art.
Content of the invention
It is an object of the invention to provide a kind of charged for replacement is with the bypass equipment of equipment on bar multi-circuit tower and method,
Under power supply state incessantly, the maintenance, breakdown repair and the equipment that complete distribution line, with more changing jobs, reduce power failure model
Enclose.
The object of the present invention is achieved like this, a kind of charged for replacement with the bypass equipment of equipment on bar multi-circuit tower,
Described bypass equipment includes mains side flexible cable, load side flexible cable and transit cable;Described mains side flexible cable
First end is connected to the mains side of distribution line by cable connector, and the first end of described load side flexible cable is connect by cable
Head is connected to the load side of described distribution line;All it is serially connected with described mains side flexible cable and described load side flexible cable
Derailing switch;The second end of cable connection box and described mains side flexible cable and described is passed through at the two ends of described transit cable respectively
Second end of load side flexible cable connects;Described mains side flexible cable, described load side flexible cable and described switching electricity
Cable forms the short circuit bypass in parallel with described distribution line.
In a better embodiment of the present invention, described cable connection box includes the casing of enclosed construction, described casing
Side be provided with entrance hole;It is fixed with copper bar, insulation between described copper bar and described casing is connected in described casing;Described copper bar
It is provided with binding post.
In a better embodiment of the present invention, in described casing, it is connected with fix bar, the company of fixation in described fix bar
It is connected to insulator;Described copper bar includes three U-shaped copper sheets, and three U-shaped copper sheets are arranged in order along described fix bar, each U-shaped
Copper sheet is fixedly connected with described insulator;The two ends of described U-shaped copper sheet form described binding post respectively.
In a better embodiment of the present invention, described casing is provided with the chamber door that can switch.
In a better embodiment of the present invention, the first end of described transit cable and described mains side flexible cable
Second end is extend in described cable connection box by described entrance hole respectively, described transit cable and described mains side flexible electrical
Cable is connected with the described binding post at the two ends of described U-shaped copper sheet respectively.
In a better embodiment of the present invention, the second end of described transit cable and described load side flexible cable
Second end is extend in described cable connection box by described entrance hole respectively, described transit cable and described load side flexible electrical
Cable is connected with the described binding post at the two ends of described U-shaped copper sheet respectively.
In a better embodiment of the present invention, in the protecting crust that described transit cable laying is arranged on the ground.
The purpose of the present invention can also be achieved in that, a kind of charged for replacement is with the method for equipment on bar multi-circuit tower, institute
State charged for replacement and adopt described bypass equipment with the method for equipment on bar multi-circuit tower, comprise the steps:
S1, lay described mains side flexible cable, described load side flexible cable and described transit cable and form described side
Pipeline equipment, makes described derailing switch be in open position;
S2, by described mains side flexible cable and described load side flexible cable be connected respectively to needs construction described in join
The mains side of electric line and load side, form the described short circuit bypass in parallel with described distribution line;
S3, the described derailing switch of connection, make described short circuit bypass be in running status, and described by current detecting instrument detection
The electric current of short circuit bypass, confirms working properly;
S4, will need construction described distribution line power-off, power-off construction is carried out to described distribution line;
S5, construction connect described distribution line after finishing, and detect the electric current of described distribution line by current detecting instrument,
Confirm working properly;
The described derailing switch of S6, successively disconnection load side and mains side, removes described load side flexible cable and described electricity
Source flexible cable, then connect each described derailing switch, described bypass equipment is substantially discharged.
In a better embodiment of the present invention, in step s3, first switch on power the described derailing switch of side, in load
After side checks that the phase place connection of described mains side flexible cable, described load side flexible cable and described transit cable is errorless, then
Connect the described derailing switch of load side.
In a better embodiment of the present invention, in step s 4, first disconnect the load side of described distribution line, and set
Put insulated shielding cover, then disconnect the mains side of described distribution line, and insulated shielding cover is set;Detect institute with current detecting instrument again
State the electric current of short circuit bypass, confirm that described short circuit bypass is normal.
From the above mentioned, the charged for replacement of the present invention utilizes bypass with the bypass equipment of equipment on bar multi-circuit tower and method
Equipment it would be desirable to maintenance electric pole on all circuits carry out powered installation bypass equipment, original distribution line part is carried out side
Short out connect, after bypass equipment is run with original distribution line part in parallel, will be partly out of service for original distribution line, user
Load be transferred completely into bypass equipment.At this moment, operating personnel can be by power failure working method, to the original distribution line portion exiting
Point carry out overhauling, more exchange device, after the completion of, then will move out the part distribution line of operation and access, when bypass equipment is joined with original
After electric line part in parallel runs, powered exit bypass equipment, recover distribution line and equipment normally run, reach the dimension that do not have a power failure
Repair the purpose changing equipment on multiloop complexity bar.Derailing switch is provided separately by this bypass equipment with cable connection box, Ke Yigen
Different situations according to the construction of line flexibly arrange this bypass equipment, and operation is convenient.
Brief description
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein:
Fig. 1:Annexation schematic diagram for bypass equipment of the present invention.
Fig. 2:Structural representation for cable connection box in bypass equipment of the present invention.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now comparison brief description this
Bright specific embodiment.
Embodiment one
As shown in figure 1, the invention provides a kind of charged for replacement with equipment on bar multi-circuit tower bypass equipment 10, institute
State bypass equipment 10 and include mains side flexible cable 1, load side flexible cable 2 and transit cable 3.Added with bar multi-circuit tower
If distribution line 4 be usually three-phase distribution circuit, there is the power transmission cable of three outs of phase, according to the conveying direction of electric current
It is divided into mains side a and load side b.When livewire work being carried out to a certain section of distribution line 4 using this bypass equipment 10, described electricity
The first end of source flexible cable 1 is connected to the mains side a of this section of distribution line 4 by cable connector 5, that is, in this section of distribution wire
Three flexible cables are connected on the power transmission cable of three outs of phase the mains side a on road 4, and three flexible cables are to ground
Hang down in face.On mains side flexible cable 1, concatenation is used for the derailing switch 6 of three flexible cables of off and on, and derailing switch 6 is existing
There is technology, by quick plug-in cable connector 5, three flexible cables can be plugged on derailing switch 6 respectively when being embodied as
In corresponding interface.The first end of described load side flexible cable 2 is connected to the negative of this section of distribution line 4 by cable connector 5
Lotus side b;I.e. three flexible cables are connected to the power transmission line of three outs of phase by load side b in this section of distribution line 4
On cable, three flexible cables earthward hang down.Same concatenation on load side flexible cable 2 is used for three flexibilities of off and on
Three flexible cables can be plugged on open respectively when being embodied as by the derailing switch 6 of cable by quick plug-in cable connector 5
Close in corresponding interface on device 6.Because the cost of flexible cable is higher, if necessary to this section of distribution wire of maintenance or more exchange device
Road 4, all can be very high using flexible cable cost apart from longer, therefore can be only in mains side a and load side b and distribution line
One section of 4 connections adopts flexible cable, and remaining part adopts transit cable 3, and transit cable 3 can be using cost than relatively low
Common cable;One end that mains side flexible cable 1 and load side flexible cable 2 earthward hang down is the second end, described switching electricity
The two ends of cable 3 are respectively by the second end and the described load side flexible cable of cable connection box 7 and described mains side flexible cable 1
2 the second end connects;Wherein, the flexible cable of same phase is corresponding with transit cable 3 connects, and transit cable 3 can be laid on
On ground, ground is provided with protecting crust, and transit cable 3 is located in protecting crust.Thus it is described mains side flexible cable 1, described
Load side flexible cable 2 and described transit cable 3 form the short circuit bypass in parallel with this section of distribution line 4;Conveying electric current from
Flow through in the bypass of this short circuit, power-off maintenance or more exchange device can be carried out to this section of distribution line 4, not result in and stop on a large scale
Electricity;And, derailing switch 6 is provided separately with cable connection box 7, can be somebody's turn to do according to the flexible arrangement of the different situations of the construction of line
Bypass equipment 10, operation is convenient.
Further, as shown in Fig. 2 described cable connection box 7 includes the rectangular box 71 of an enclosed construction, this cuboid
Side be provided with a chamber door that can switch 72, chamber door 72 is provided with box door lock, opens chamber door 72 and conveniently carries out box house
Operation.The bottom surface of rectangular box 71 is provided with entrance hole 73, and entrance hole 73 is provided with 6, in 3 × 2 array type arrangement, is used for
Wear the termination of flexible cable and common cable.It is fixed with copper bar 74, described copper bar 74 and described casing inside described casing 71
Between 71, insulation connects;Described copper bar 74 is provided with binding post 76, the effect of copper bar 74 be by the flexible cable of same phase and
Transit cable 3 connects conducting.Specifically, it is fixedly connected with the fix bar 75 of a horizontally set in described casing 71, described solid
Both sides in fixed pole 75 are fixedly connected with insulator 77, and three insulators 77 are fixed in every side, positioned at two of both sides correspondence position
Insulator 77 is formed a pair, is fixed with six insulators 77 altogether;Insulator 77 is the fixture of ceramic making, for by copper bar 74
It is dielectrically separated from and is played the effect of fixing copper bar 74 and fix bar 75 between.Described copper bar 74 includes three U-shaped copper sheets
741, three U-shaped copper sheets 741 are arranged in parallel successively along described fix bar 75, and each U-shaped copper sheet 741 is fixedly connected with described
On insulator 77, U-shaped copper sheet 741 is crossed on the both sides of fix bar 75, the both sides of U-shaped copper sheet 741 be separately fixed at corresponding absolutely
On edge 77.The two ends of described U-shaped copper sheet 741 form binding post 76 respectively.Three U-shaped copper sheets 741 correspond to three not respectively
Same phase, the flexible cable of same phase and transit cable 3 are connected to two binding posts of same U-shaped copper sheet 741
On 76.When being embodied as, institute is passed through at the second end of the first end of described transit cable 3 and described mains side flexible cable 1 respectively
State entrance hole 73 to extend in described cable connection box 7, described transit cable 3 and described mains side flexible cable 1 respectively with institute
The described binding post 76 stating the two ends of U-shaped copper sheet 741 connects.Second end of described transit cable 3 and described load side are flexible
Second end of cable 2 is extend in described cable connection box 7 by described entrance hole 73 respectively, described transit cable 3 and described
Load side flexible cable 2 is connected with the described binding post 76 at the two ends of described U-shaped copper sheet 741 respectively.In this cable connection box 7
Binding post 76 and copper bar 74 bus meet the load current requirements of 600A.This cable connection box 7 can be arranged on ground, will
Flexible cable under drawing from shaft tower is quickly connected with the common cable being laid on ground, and common cable can be changed at any time, fits
Use various rugged environments, reduce cost.
Embodiment two
Present invention also offers a kind of charged for replacement is with the method for equipment on bar multi-circuit tower, the same bar of described charged for replacement
On multi-circuit tower, the method for equipment adopts the bypass equipment 10 described in embodiment one, specifically includes following steps:
S1, lay described mains side flexible cable 1, described load side flexible cable 2 and described transit cable 3 formed described
Bypass equipment 10, makes described derailing switch 6 be in open position.Operating personnel lays ground protecting crust according to arrangement and method for construction, according to
Flexible cable 1, derailing switch 6, flexible cable 1, cable connection box 7, common cable 3, cable connection box 7, flexible cable 2, switch
Device 6, the order of flexible cable 2 are laid successively.Wherein, need between flexible cable docking or common cable between need right
Connect so that during extension length, connected using self-locking quick plug-in transition joint, self-locking quick plug-in transition joint is
Prior art.If need to cross over road in short circuit bypass is laid, it is possible to use cable overhead crossing support is by by short circuit
Road is maked somebody a mere figurehead and is laid and reliable fixing.
S2, by described mains side flexible cable 1 and described load side flexible cable 2 be connected respectively to needs construction described in
The mains side a of distribution line 4 and load side b, form the described short circuit bypass in parallel with described distribution line 4;
S3, the described derailing switch 6 of connection, make described short circuit bypass be in running status, and detect institute by current detecting instrument
State the electric current of short circuit bypass, confirm working properly.First switch on power the described derailing switch 6 of side a, checks described electricity in load side b
After the phase place connection of source flexible cable 1, described load side flexible cable 2 and described transit cable 3 is errorless, then connect load side
The described derailing switch 6 of b.
S4, will need construction described distribution line 4 power-off, power-off construction is carried out to described distribution line 4.First disconnect institute
State load side b of distribution line 4, and insulated shielding cover is set, then disconnect the mains side a of described distribution line 4, and insulation is set
Mask;Again with the electric current of current detecting instrument detection described short circuit bypass, confirm that described short circuit bypass is normal.
S5, distribution line 4 overhaul in the power-off state or change after equipment construction finishes, and in turn switch on mains side a and negative
The described distribution line 4 of lotus side b, and the electric current of described distribution line 4 is detected by current detecting instrument, confirm working properly;
The described derailing switch 6 of S6, successively disconnection load side b and mains side a, removes described load side flexible cable 2 and institute
State mains side flexible cable 1, then connect each described derailing switch 6, described bypass equipment 10 is substantially discharged;Dismounting is laid
Bypass equipment 10.
The charged for replacement of the present invention utilizes bypass equipment 10 with the bypass equipment 10 of equipment on bar multi-circuit tower and method,
All circuits on the electric pole of maintenance will be needed to carry out powered installation bypass equipment 10, original distribution line 4 part is bypassed
Short circuit, after bypass equipment 10 is run with original distribution line 4 part in parallel, will be partly out of service for original distribution line 4, use
The load at family is transferred completely into bypass equipment 10.At this moment, operating personnel can be by power failure working method, to the original distribution wire exiting
Road 4 part carries out overhauling, more exchange device, after the completion of, then will move out the part distribution line 4 of operation and access, when bypass equipment 10
After running with original distribution line 4 part in parallel, powered exit bypass equipment 10, recover distribution line 4 and equipment normally run,
Reach the purpose that equipment on multiloop complexity bar is changed in the maintenance that do not have a power failure.This bypass equipment 10 is by derailing switch 6 and cable connection box 7
It is provided separately, can flexibly arrange this bypass equipment 10 according to the different situations of the construction of line, operation is convenient.
The foregoing is only the schematic specific embodiment of the present invention, be not limited to the scope of the present invention.Specifically
In embodiment, all combinations of illustrated feature are not necessarily solution that the present invention is limited it is possible to understand that these are additional
Structural features and operations improvement can be used alone or be combined with each other.It will therefore be appreciated that the invention is not restricted to
Any specific feature or the combination of element, and any desired combinations of features described here can be carried out without departing from
Protection scope of the present invention, any those skilled in the art, is made on the premise of the design without departing from the present invention and principle
The equivalent variations going out and modification, all should belong to the scope of protection of the invention.
Claims (10)
1. a kind of charged for replacement with the bypass equipment of equipment on bar multi-circuit tower it is characterised in that described bypass equipment includes
Mains side flexible cable, load side flexible cable and transit cable;The first end of described mains side flexible cable is connect by cable
Head is connected to the mains side of distribution line, and the first end of described load side flexible cable is connected to described distribution by cable connector
The load side of circuit;All it is serially connected with derailing switch on described mains side flexible cable and described load side flexible cable;Described switching
The two ends of cable are respectively by the second end and the described load side flexible cable of cable connection box and described mains side flexible cable
Second end connect;Described mains side flexible cable, described load side flexible cable and described transit cable are formed is joined with described
Electric line short circuit bypass in parallel.
2. charged for replacement as claimed in claim 1 with the bypass equipment of equipment on bar multi-circuit tower it is characterised in that described
Cable connection box includes the casing of enclosed construction, and the side of described casing is provided with entrance hole;It is fixed with copper bar, institute in described casing
State insulation between copper bar and described casing to be connected;Described copper bar is provided with binding post.
3. charged for replacement as claimed in claim 2 with the bypass equipment of equipment on bar multi-circuit tower it is characterised in that described
It is connected with fix bar in casing, described fix bar is fixedly connected with insulator;Described copper bar includes three U-shaped copper sheets, three U
Shape copper sheet is arranged in order along described fix bar, and each U-shaped copper sheet is fixedly connected with described insulator;Described U-shaped copper sheet
Two ends form described binding post respectively.
4. charged for replacement as claimed in claim 2 with the bypass equipment of equipment on bar multi-circuit tower it is characterised in that described
Casing is provided with the chamber door that can switch.
5. charged for replacement as claimed in claim 3 with the bypass equipment of equipment on bar multi-circuit tower it is characterised in that described
Second end of the first end of transit cable and described mains side flexible cable extend into described cable by described entrance hole respectively
In transfer box, described transit cable and the described mains side flexible cable described terminals with the two ends of described U-shaped copper sheet respectively
Son connects.
6. charged for replacement as claimed in claim 3 with the bypass equipment of equipment on bar multi-circuit tower it is characterised in that described
Second end of the second end of transit cable and described load side flexible cable extend into described cable by described entrance hole respectively
In transfer box, described transit cable and the described load side flexible cable described terminals with the two ends of described U-shaped copper sheet respectively
Son connects.
7. charged for replacement as claimed in claim 1 with the bypass equipment of equipment on bar multi-circuit tower it is characterised in that described
In the protecting crust that transit cable laying is arranged on the ground.
8. a kind of charged for replacement with the method for equipment on bar multi-circuit tower it is characterised in that described charged for replacement is with many times of bar
On line pole tower, the method for equipment adopts the bypass equipment any one of claim 1 to 7, comprises the steps:
S1, lay described mains side flexible cable, described load side flexible cable and described transit cable and form described bypass and set
Standby, make described derailing switch be in open position;
S2, by described mains side flexible cable and described load side flexible cable be connected respectively to need construction described distribution wire
The mains side on road and load side, form the described short circuit bypass in parallel with described distribution line;
S3, the described derailing switch of connection, make described short circuit bypass be in running status, and detect described short circuit by current detecting instrument
The electric current of bypass, confirms working properly;
S4, will need construction described distribution line power-off, power-off construction is carried out to described distribution line;
S5, construction connect described distribution line after finishing, and detect the electric current of described distribution line by current detecting instrument, confirmation
Working properly;
The described derailing switch of S6, successively disconnection load side and mains side, removes described load side flexible cable and described mains side
Flexible cable, then connect each described derailing switch, described bypass equipment is substantially discharged.
9. charged for replacement as claimed in claim 8 with the method for equipment on bar multi-circuit tower it is characterised in that in step S3
In, the described derailing switch of the side that first switches on power, check described mains side flexible cable, described load side flexible cable in load side
After errorless with the connection of the phase place of described transit cable, the more described derailing switch connecting load side.
10. charged for replacement as claimed in claim 8 with the method for equipment on bar multi-circuit tower it is characterised in that in step
In S4, first disconnect the load side of described distribution line, and insulated shielding cover be set, then disconnect the mains side of described distribution line,
And insulated shielding cover is set;Again with the electric current of current detecting instrument detection described short circuit bypass, just confirming described short circuit bypass
Often.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611088882.7A CN106451220A (en) | 2016-12-01 | 2016-12-01 | Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower |
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CN201611088882.7A CN106451220A (en) | 2016-12-01 | 2016-12-01 | Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower |
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CN201611088882.7A Pending CN106451220A (en) | 2016-12-01 | 2016-12-01 | Bypass equipment and method for live replacement of equipment on same-tower multi-loop pole tower |
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CN108736466A (en) * | 2018-04-03 | 2018-11-02 | 国网浙江省电力有限公司杭州供电公司 | A kind of method of distribution temporary subsection |
CN110120643A (en) * | 2019-04-19 | 2019-08-13 | 国网浙江淳安县供电有限公司 | A kind of ground potential distribution power circuit uninterrupted operation method |
CN112736789A (en) * | 2020-12-23 | 2021-04-30 | 广东电网有限责任公司茂名供电局 | Bypass drainage device for low-voltage line of distribution network |
CN113922176A (en) * | 2021-10-12 | 2022-01-11 | 贵州电网有限责任公司 | Station terminal RS485 port wiring adapter and use method thereof |
CN114301003A (en) * | 2021-11-24 | 2022-04-08 | 国网浙江省电力有限公司舟山供电公司 | Load switching method for flexible cable between adjacent strain towers |
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CN108736466B (en) * | 2018-04-03 | 2020-10-27 | 国网浙江省电力有限公司杭州供电公司 | Method for temporarily segmenting distribution network |
CN110120643A (en) * | 2019-04-19 | 2019-08-13 | 国网浙江淳安县供电有限公司 | A kind of ground potential distribution power circuit uninterrupted operation method |
CN110120643B (en) * | 2019-04-19 | 2020-10-27 | 国网浙江淳安县供电有限公司 | Uninterrupted power operation method for power line of ground potential distribution network |
CN112736789A (en) * | 2020-12-23 | 2021-04-30 | 广东电网有限责任公司茂名供电局 | Bypass drainage device for low-voltage line of distribution network |
CN113922176A (en) * | 2021-10-12 | 2022-01-11 | 贵州电网有限责任公司 | Station terminal RS485 port wiring adapter and use method thereof |
CN113922176B (en) * | 2021-10-12 | 2024-04-02 | 贵州电网有限责任公司 | Station terminal RS485 port wiring adapter and application method thereof |
CN114301003A (en) * | 2021-11-24 | 2022-04-08 | 国网浙江省电力有限公司舟山供电公司 | Load switching method for flexible cable between adjacent strain towers |
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