CN108963875A - The method of on-load migration 10KV overhead transmission line - Google Patents
The method of on-load migration 10KV overhead transmission line Download PDFInfo
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- CN108963875A CN108963875A CN201810793550.1A CN201810793550A CN108963875A CN 108963875 A CN108963875 A CN 108963875A CN 201810793550 A CN201810793550 A CN 201810793550A CN 108963875 A CN108963875 A CN 108963875A
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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
- 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
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Abstract
The present invention relates to a kind of methods of on-load migration 10KV overhead transmission line, method includes the following steps: (1), to in job area electrical body and junctor carry out insulation masking, (2), provisional weight switch and leading cable are installed, (3), to three-phase conducting wire, cross-arm, porcelain vase, bar ceiling hold and connecting elements carry out insulation masking, (4), distribution line three-phase conducting wire at the route both ends of tired migration is connect with interim leading cable and masking of insulating, (5), the three phase terminal both ends pincers for needing to shift are disconnected, (6), migrate route, (7), it is separately connected three phase terminals of migration route and alive circuit, and masking of insulating, (8), remove provisional weight switch and leading cable.The method that on-load migrates 10KV overhead transmission line guarantees that user power utilization is uninterrupted, improves power supply reliability, improves power supply enterprise's economic benefit.
Description
Technical field
The present invention relates to the method that route in power distribution network migrates, specifically a kind of on-load migrates 10KV overhead transmission line
Method.
Background technique
Power distribution network is the power supply system for being directly facing user, is provided for power consumer safe and reliable, economical, efficient, clean
Only, sustainable electric energy.Overhead distribution network spreads each corner in town and country, and line arrangement is intensively complicated, and corridor is narrow.Due to
Urban and rural planning it is gradually perfect, good city appearance is increasingly valued by the people, and it is old that government continues to increase shanty town etc.
The transformation dynamics of building.Moving and city appearance just because of building it is fine, lead to our overhead distributionnetwork
The early stage planning and designing in geographical location influence promoting comprehensively for urban planning in many degree, this just needs us to plan again
Design path and the line alignment of overhead distributionnetwork 10KV route.10KV overhead transmission line path trend after the completion of planning and designing,
The mode of power failure operation is all taken to carry out during migrating construction, operations staff need to be by 10KV overhead transmission line branch or even whole
10KV overhead transmission line has a power failure, and then migrates 10KV overhead transmission line in the state that 10KV overhead transmission line is without electricity, due to big face
Product power failure brings many influences to the daily life of numerous residents, while also causing huge economic damage to institutional settings and factories and miness
It loses, causes unnecessary economic loss to power supply enterprise, influence power supply reliability, reduce power supply enterprise's economic benefit.
It is badly in need of a kind of method of on-load migration 10KV overhead transmission line in view of the foregoing drawbacks now.
Summary of the invention
The invention aims to provide a kind of method of on-load migration 10KV overhead transmission line, this method be may be implemented
User completes the migration construction of 10KV overhead transmission line in the case where not having a power failure, solve large-area power-cuts to resident bring it is inconvenient and
To factories and miness and power supply company's bring economic loss.
The technical scheme is that
The method of on-load migration 10KV overhead transmission line, comprising the following steps:
(1), two provisional weight switches are transported to respectively by bogie and are migrated route both ends scene, be migrated entire route
Lower section, place an insulating block bracket, bracket as interim leading cable every a certain distance；
(2), interim leading cable is transported to construction site, between two provisional weights of being laid in switch, when cabling, should infused
Meaning prevents interim leading cable from sliding from bracket and wearing cable external insulation, steps on bar in the appropriate position of electric pole by ground operation personnel
Set the interim insulator crossarm of installation；
(3), the interim leading cable both ends of three-phase are respectively connected on two provisional weight switches, after connection is intact, respectively two
Insulated shielding cover is installed in junction, and checks two provisional weight switches in open position；
(4), electrician carries insulation power tool in struggling against and masking apparatus enters working bucket, and fastens seat belts, operation insulation bucket
Arm vehicle enters livewire work region, and the interior electrician that struggles against is according to by closely to remote, principle from electrical body to grounding body, from low to high, dividing
It is other that insulation masking is carried out to three-phase conducting wire, cross-arm, porcelain vase, bar ceiling hold and connecting elements；
(5), three phase terminal of on-load switch is passed to electrician in bucket respectively using insulating cord and insulation coaster by ground electrician, by three
Phase terminal is fixed on interim insulator crossarm, and the interior electrician that struggles against installs three phase terminals, three phase terminals according to sequence from the near to the distant
Be separately mounted to be migrated on the distribution line three-phase conducting wire of route leading portion, it should be noted that often install a phase it is necessary to lead and
Restore insulation masking in the junction of conducting wire；
(6), the method according to step 5., three phase terminals of the provisional weight switch of the installation route other end；
(7), two provisional weight switches are closed, measures the electric current on three phase terminals with clamp on amperemeter, confirmation load has turned
It moves on on interim leading cable；
(8), electrician clamps disconnected three phase terminals for being migrated route respectively according to sequence from the distant to the near and should take when pincers are disconnected in struggling against
Measure prevents lead broken end from snapping on other charging member or earthing component, and pincers are had no progeny, and should be carried out rapidly absolutely to live part
Edge masking disconnects the lead for being migrated the route other end in this way；
(9), ground electrician carries out construction (including vertical line pole, installation cross-arm, the installation insulator, laying three of migration route
Phase conductor etc.)；
(10), the suitable position that aerial lift device with insulated arm is transferred at route one end electric pole after having migrated fixes, and struggle against interior electrician
Control insulation bucket is to suitable position, according to by closely to remote, principle from electrical body to grounding body, from low to high, respectively to three-phase
Conducting wire, cross-arm, porcelain vase, bar ceiling hold and connecting elements carry out insulation masking；
According to by closely to remote sequence, being separately connected three phase terminals of route and alive circuit after migration, it should be noted that every connection
When one phase, the insulation masking apparatus of the phase is only removed, it is extensive to the conducting wire of the phase, lead, porcelain vase etc. rapidly after confirmation connection is intact
Multiple insulation masking；
After three phase terminals connect, according to sequence from the distant to the near, from top to bottom, all insulation on this end line bar are removed
Cover apparatus；
(11), according to the method for step (10), the lead connection work of the route other end after having migrated is completed, checks confirmation
Connect it is intact, through-flow it is normal after, remove all insulation masking apparatus on the end line bar；
(12), ground electrician is each turned off two provisional weight switches, unlocks the company of provisional weight switch and interim leading cable
It connects, recycles interim leading cable；
(13), aerial lift device with insulated arm is transferred to the lead junction of alive circuit and provisional weight switch, and the interior electrician that struggles against shifts insulation
Bucket removes three phase terminals of provisional weight switch according to sequence from far near to suitable position respectively, meanwhile, according to by remote and
Closely, sequence from top to bottom removes all insulation on this end line bar and covers apparatus and interim insulator crossarm according to above-mentioned side
Method, aerial lift device with insulated arm are transferred to the alive circuit other end and fix, and remove three phase terminals of the provisional weight switch at the end, simultaneously
All insulation masking apparatus and the interim insulator crossarm on this end line bar are removed, electrician returns to ground in the back bucket that completes, and packs up
Aerial lift device with insulated arm, work terminate, and shift withdraws operation field.
Beneficial effects of the present invention:
The method of on-load migration 10KV overhead transmission line of the present invention is not limited to by power supply reliability, does not influence normally to supply user
Electricity migrates 10KV overhead transmission line in the case where on-load may be implemented and do not have a power failure.The more demanding use such as power supply reliability
Family can not have a power failure when migrating 10KV overhead transmission line, and the construction operation of 10KV overhead transmission line migration still may be implemented, and increase economical
Benefit improves power supply reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for installing the 10KV route of block switch shown in the present invention additional.
Specific embodiment
In order to solve defect existing in the prior art, inventor devises negative using a kind of band of insulating glove working system
The method of lotus migration 10KV overhead transmission line.It can not have a power failure in this way and migrate 10KV overhead transmission line, will not cause to damage to power consumer
It loses, economic loss will not be caused to power supply enterprise, improve power supply reliability, increase economic efficiency.
The invention will be further described with reference to the accompanying drawing:
As shown, on-load migration 10KV overhead transmission line method the following steps are included:
(1), before going into operation, carry out scene is examined on the spot, and formulates detailed arrangement and method for construction, and by study, makes the people for participating in construction
The clearly specific construction procedure of member, the specific division of labor and safety notice.
(2), personnel reaches working site, arranges that safety barrier and working signal, aerial lift device with insulated arm 1 enter quilt
The one end for migrating route is positioned at best operational position (three-phase conducting wire 9, which connects, draws a little 2 lower section) and installs ground line, selectes work
The lifting direction of bucket pays attention to avoiding nearby height crimping and barrier.
(3), two provisional weight switches 3 are transported to respectively by bogie and are migrated route both ends scene.It is whole being migrated
An insulating support 4 is placed every a certain distance, the bracket as interim leading cable 5 in the lower section of a route.
(4), interim leading cable 5 is transported to construction site, is laid between two provisional weight switches.When cabling,
It should be noted that preventing interim leading cable from sliding from insulating support and wearing cable external insulation.Bar is stepped in electricity by ground operation personnel
6 appropriate location of bar is installed by interim insulator crossarm 7.
(5), the interim leading cable both ends of three-phase are respectively connected on two provisional weight switches.Connect it is intact after, respectively
Insulated shielding cover is installed in two junctions, and checks two provisional weight switches in open position.
(6), electrician's pre-operational check insulating protection apparatus, insulating tool, safety appliance and auxiliary implement in working bucket, it is right
Insulating tool carries out segmentation detection using megameter or insulation tester, and insulation resistance value is not less than 700 megaohms；Electrician in bucket,
It is worn by a full set of insulating protection apparatus such as insulating boot, insulation clothing (tippet), insulation safety cap and insulating glove.Electrician carries in struggling against
Insulation power tool and masking apparatus enter working bucket, and tool and masking apparatus, which should classify, to be placed in bucket neutralizing tool bag, and is
Good safety belt.Two are struggled against interior electrician after work responsible person's license, aerial lift device with insulated arm are operated respectively, into livewire work region；
The movement of insulation bucket should steadily at the uniform velocity, should be without large-amplitude sloshing phenomenon when entering livewire work region, bucket decline of insulating, the speed risen
0.5m/s is not to be exceeded in degree, and 0.5m/s is not to be exceeded in the maximum line velocity at insulation bucket edge；It is right in working bucket uphill process
The high-low voltage electrification component that may be touched in range need to carry out insulation masking.
(7), after working bucket is located in suitable operating position, the side phase conductor conducting wire nearest from body is hidden first
Cover is covered, the opening for the conducting wire mask being inserted in will downwards, and be drawn to the edge close to insulator, be prevented with insulating blanked clamper clamping
It falls off.Combined overlap distance is covered in insulation cannot be less than 15cm.According to by closely to it is remote, from electrical body to grounding body, from as low as
High principle respectively carries out three-phase conducting wire, cross-arm, porcelain vase, bar ceiling hold and connecting elements using the above same masking mode
Insulation masking.
(8), three phase terminal 8 of on-load switch is passed to electricity in bucket respectively using insulating cord and insulation coaster by ground electrician
Three phase terminals are fixed on interim insulator crossarm by work, struggle against in electrician according to sequence from the near to the distant install three phase terminals, three
Phase terminal is separately mounted to be migrated on the distribution line three-phase conducting wire 9 of route leading portion.It should be noted that installing a phase often it is necessary to right
Restore insulation masking in the junction of lead and conducting wire.
(9), the method according to step 8., three phase terminals of the provisional weight switch of the installation route other end.
(10), two provisional weight switches are closed, measure the electric current on three phase terminals with clamp on amperemeter, confirmation load is
It is transferred on interim leading cable.
Electrician clamps disconnected three phase terminals for being migrated route according to sequence from the distant to the near respectively in struggling against.When pincers are disconnected, it should take
Measure prevents lead broken end from snapping on other charging member or earthing component.Pincers are had no progeny, and should be carried out rapidly absolutely to live part
Edge masking.
(11), the method according to step 10. disconnects the lead for being migrated the route other end.Ground electrician carries out migration route
Construction (including vertical route straight-bar, installation cross-arm, installation insulator, laying three-phase conducting wire etc.).
(12), the suitable position that aerial lift device with insulated arm is transferred at route one end electric pole after having migrated fixes, in bucket
Electrician controls insulation bucket to suitable position, right respectively according to by closely to remote, principle from electrical body to grounding body, from low to high
Three-phase conducting wire, cross-arm, porcelain vase, bar ceiling hold and connecting elements carry out insulation masking.
According to by closely to remote sequence, being separately connected three phase terminals of route and alive circuit after migration.It should be noted that every
When connecting a phase, the insulation masking apparatus of the phase is only removed, after confirmation connection is intact, rapidly to the conducting wire of the phase, lead, porcelain vase
Equal recoveries insulation masking.
After three phase terminals connect, according to sequence from the distant to the near, from top to bottom, remove all on this end line bar
Insulation masking apparatus.
(13), according to the method for (12) step, the lead connection work of the route other end after having migrated is completed, is checked
After confirmation connection is intact, through-flow normally, all insulation masking apparatus and the interim insulator crossarm on the end line bar are removed.
Ground electrician is each turned off two provisional weight switches, unlocks the company of provisional weight switch and interim leading cable
It connects, recycles interim leading cable.
Aerial lift device with insulated arm is transferred to the lead junction of alive circuit and provisional weight switch, and the interior electrician that struggles against shifts insulation bucket
To suitable position, remove three phase terminals of provisional weight switch respectively according to sequence from far near, meanwhile, according to by remote and
Closely, sequence from top to bottom removes all insulation masking apparatus on this end line bar.
(14), according to the method for step (13), aerial lift device with insulated arm is transferred to the alive circuit other end and fixes, and removes the end
Provisional weight switch three phase terminals, while removing the masking apparatus of all insulation on this end line bar and interim insulation is horizontal
Load.Electrician returns to ground in completion back bucket, packs up aerial lift device with insulated arm.
(15), construction site is cleared up, work responsible person checks process of work comprehensively.
Claims (1)
1. a kind of method of on-load migration 10KV overhead transmission line, it is characterised in that:
The following steps are included:
(1), two provisional weight switches are transported to respectively by bogie and are migrated route both ends scene, be migrated entire route
Lower section, place an insulating block bracket, bracket as interim leading cable every a certain distance；
(2), interim leading cable is transported to construction site, between two provisional weights of being laid in switch, when cabling, should infused
Meaning prevents interim leading cable from sliding from bracket and wearing cable external insulation, steps on bar in the appropriate position of electric pole by ground operation personnel
Set the interim insulator crossarm of installation；
(3), the interim leading cable both ends of three-phase are respectively connected on two provisional weight switches, after connection is intact, respectively two
Insulated shielding cover is installed in junction, and checks two provisional weight switches in open position；
(4), electrician carries insulation power tool in struggling against and masking apparatus enters working bucket, and fastens seat belts, operation insulation bucket
Arm vehicle enters livewire work region, and the interior electrician that struggles against is according to by closely to remote, principle from electrical body to grounding body, from low to high, dividing
It is other that insulation masking is carried out to three-phase conducting wire, cross-arm, porcelain vase, bar ceiling hold and connecting elements；
(5), three phase terminal of on-load switch is passed to electrician in bucket respectively using insulating cord and insulation coaster by ground electrician, by three
Phase terminal is fixed on interim insulator crossarm, and the interior electrician that struggles against installs three phase terminals, three phase terminals according to sequence from the near to the distant
Be separately mounted to be migrated on the distribution line three-phase conducting wire of route leading portion, it should be noted that often install a phase it is necessary to lead and
Restore insulation masking in the junction of conducting wire；
(6), the method according to step 5., three phase terminals of the provisional weight switch of the installation route other end；
(7), two provisional weight switches are closed, measures the electric current on three phase terminals with clamp on amperemeter, confirmation load has turned
It moves on on interim leading cable；
(8), electrician clamps disconnected three phase terminals for being migrated route respectively according to sequence from the distant to the near and should take when pincers are disconnected in struggling against
Measure prevents lead broken end from snapping on other charging member or earthing component, and pincers are had no progeny, and should be carried out rapidly absolutely to live part
Edge masking disconnects the lead for being migrated the route other end in this way；
(9), ground electrician carries out construction (including vertical route straight-bar, installation cross-arm, the installation insulator, laying three of migration route
Phase conductor etc.)；
(10), the suitable position that aerial lift device with insulated arm is transferred at route one end electric pole after having migrated fixes, and struggle against interior electrician
Control insulation bucket is to suitable position, according to by closely to remote, principle from electrical body to grounding body, from low to high, respectively to three-phase
Conducting wire, cross-arm, porcelain vase, bar ceiling hold and connecting elements carry out insulation masking；
According to by closely to remote sequence, being separately connected three phase terminals of route and alive circuit after migration, it should be noted that every connection
When one phase, the insulation masking apparatus of the phase is only removed, it is extensive to the conducting wire of the phase, lead, porcelain vase etc. rapidly after confirmation connection is intact
Multiple insulation masking；
After three phase terminals connect, according to sequence from the distant to the near, from top to bottom, all insulation on this end line bar are removed
Cover apparatus；
(11), according to the method for step (10), the lead connection work of the route other end after having migrated is completed, checks confirmation
Connect it is intact, through-flow it is normal after, remove all insulation masking apparatus on the end line bar；
(12), ground electrician is each turned off two provisional weight switches, unlocks the company of provisional weight switch and interim leading cable
It connects, recycles interim leading cable；
(13), aerial lift device with insulated arm is transferred to the lead junction of alive circuit and provisional weight switch, and the interior electrician that struggles against shifts insulation
Bucket removes three phase terminals of provisional weight switch according to sequence from far near to suitable position respectively, meanwhile, according to by remote and
Closely, sequence from top to bottom removes all insulation masking apparatus and interim insulator crossarm on this end line bar, according to above-mentioned side
Method, aerial lift device with insulated arm are transferred to the alive circuit other end and fix, and remove three phase terminals of the provisional weight switch at the end, simultaneously
All insulation masking apparatus and the interim insulator crossarm on this end line bar are removed, electrician returns to ground in the back bucket that completes, and packs up
Aerial lift device with insulated arm, work terminate, and shift withdraws operation field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793550.1A CN108963875A (en) | 2018-07-19 | 2018-07-19 | The method of on-load migration 10KV overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793550.1A CN108963875A (en) | 2018-07-19 | 2018-07-19 | The method of on-load migration 10KV overhead transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108963875A true CN108963875A (en) | 2018-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810793550.1A Pending CN108963875A (en) | 2018-07-19 | 2018-07-19 | The method of on-load migration 10KV overhead transmission line |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817203A (en) * | 2020-07-08 | 2020-10-23 | 国网福建省电力有限公司宁德供电公司 | Distribution network high-voltage emergency interface and working method thereof |
| CN113889900A (en) * | 2021-08-30 | 2022-01-04 | 国网浙江省电力有限公司嘉兴供电公司 | Construction method for live migration strain tower and wire of distribution network |
| 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 |
| CN115085080A (en) * | 2022-04-22 | 2022-09-20 | 广东德睿电气科技发展有限公司 | Operation method for replacing 10kv disconnecting switch under load |
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| CN101471548A (en) * | 2007-12-28 | 2009-07-01 | 大原电机株式会社 | Uninterrupted replacement method of concrete utility pole for distribution line using pole clamp and pole crusher |
| CN102122805A (en) * | 2010-12-28 | 2011-07-13 | 徐州海伦哲专用车辆股份有限公司 | Vehicular carrying and working system special for bypass live working device |
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| JP2002010418A (en) * | 2000-06-23 | 2002-01-11 | Fujikura Ltd | Power source car and method for low-tension consumer uninterruptible high-tension distribution line work |
| CN101471548A (en) * | 2007-12-28 | 2009-07-01 | 大原电机株式会社 | Uninterrupted replacement method of concrete utility pole for distribution line using pole clamp and pole crusher |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817203A (en) * | 2020-07-08 | 2020-10-23 | 国网福建省电力有限公司宁德供电公司 | Distribution network high-voltage emergency interface and working method thereof |
| CN113889900A (en) * | 2021-08-30 | 2022-01-04 | 国网浙江省电力有限公司嘉兴供电公司 | Construction method for live migration strain tower and wire of distribution network |
| 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 |
| CN115085080A (en) * | 2022-04-22 | 2022-09-20 | 广东德睿电气科技发展有限公司 | Operation method for replacing 10kv disconnecting switch under load |
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Application publication date: 20181207 |