CN102545094A - Method for changing tension simulators from live 10kV power supply line - Google Patents

Method for changing tension simulators from live 10kV power supply line Download PDF

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Publication number
CN102545094A
CN102545094A CN201010591629XA CN201010591629A CN102545094A CN 102545094 A CN102545094 A CN 102545094A CN 201010591629X A CN201010591629X A CN 201010591629XA CN 201010591629 A CN201010591629 A CN 201010591629A CN 102545094 A CN102545094 A CN 102545094A
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CN
China
Prior art keywords
insulation
strain insulator
strain
supply line
power supply
Prior art date
Application number
CN201010591629XA
Other languages
Chinese (zh)
Inventor
徐晓华
韩佩利
夏黎清
王俊
郭鹏程
韩宏青
张正钧
Original Assignee
上海市电力公司
上海东捷电力高压带电作业有限公司
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 上海市电力公司, 上海东捷电力高压带电作业有限公司 filed Critical 上海市电力公司
Priority to CN201010591629XA priority Critical patent/CN102545094A/en
Publication of CN102545094A publication Critical patent/CN102545094A/en

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Abstract

The invention discloses a method for changing tension simulators on live 10kV power supply line, which includes steps: firstly, confirming weather conditions; secondly, preparing; thirdly, changing the tension insulators on the live 10kV power supply line and includes step 1 insulation shielding, step 2 mounting insulating tightening racks and insulating tighteners, step 3 mounting backup insulating protective pull cords, and step 4 changing the tension insulators. The method can change defective tension insulators timely when the power supply line supplies power normally, guarantee safe and normal power supply of the power supply line, avoid adverse effects of power outage upon power supply enterprises and power consumers, improve power supply reliability, increase power sales, improve industrial service quality, and guarantee uninterrupted power supply for the consumers.

Description

Charged method of changing the strain insulator of 10kV supply line
Technical field
The present invention relates to a kind of electric power method for maintaining, be specifically related to the method for the strain insulator of a kind of charged transposing 10kV supply line.
Background technology
In 10kV power supply circuit, because of reasons such as Lightning Over-voltage, heavy fog district pollution flashover can cause insulator defective to occur.Like untimely reparation insulator, under adverse circumstances, cause the fault of 10kV supply line probably, and the accident that causes power failure.If adopt the method for interruption maintenance, can have influence on the normal operation of enterprises and institutions in the line powering scope equally, reduce the electricity sales amount of power supply enterprise simultaneously, cause the loss of huge social benefit and economic benefit.
But the existing power method for maintaining can only overhaul under the power failure condition, can't carry out hot line job.
Summary of the invention
Technical problem to be solved by this invention provides the method for the strain insulator of a kind of charged transposing 10kV supply line, and it can be in supply line in time changes the strain insulator that defective occurs under the running status, ensures that electric power uninterruptedly supplies.
For solving the problems of the technologies described above, the technical solution of the method for the strain insulator of the charged transposing of the present invention 10kV supply line is:
Comprise the steps:
The first step is confirmed meteorological condition;
The weather condition of live line working is: avoid the climatic phenomenon of thunder, rain, snow, mist, wind-force is not more than 5 grades, and relative air humidity is not more than 80%;
In second step, prepare;
Operation is shaken survey with insulating tool, and insulation resistance should be not less than 700M Ω, electrode spacing 2cm;
In the 3rd step, change the live line working of the strain insulator in the 10kV supply line;
In the live line working process, effective insulated lengths of aerial lift device with insulated arm keeps 1m; The insulation bucket keeps being not less than 0.4m over the ground, adjacent phase conductor is not less than the safe distance of 0.6m; Perhaps in the live line working process in the 3rd step, adopt the insulation of isolation baffle plate, pipe, cloth to cover measure to the insulation bucket.
Step 1, insulate and cover; Insulation bucket is adjusted to a side of limit phase, middle phase conductor respectively, making insulation bucket and lead keep being not less than the safe distance of 0.6m; Respectively three leads of 10kV supply line, strain clamp, strain insulator on the lead are done insulation and cover measure;
Three leads of 10kV supply line, strain clamp, strain insulator on the lead are made insulation to be covered the method for measure and is: on strain insulator, install insulator mask or empire cloth additional and cover, perhaps the strain insulator lead-in wire is bandaged with empire cloth; When operation circuit lower floor has low-voltage circuit to close bar, this low-voltage circuit is added insulating sleeve or empire cloth covers.
Step 2, installation insulation stringing frame and wire grip; The insulation bucket is adjusted to lead one side that desire is changed strain insulator, be installed in insulation stringing frame on the strain insulator cross-arm, an end of insulation stringing frame connects the strain insulator cross-arm through the cross-arm drag hook, and the other end of the stringing frame that insulate connects wire grip through the rotation draw ring; The other end of wire grip connects lead, and it is lax to tighten up lead to strain insulator;
Step 3, installation insulation backup protection backguy rope; Install the insulation backguy rope that backup protection uses additional in the outside of wire grip, the insulation backguy end of restricting connects the strain insulator cross-arm, and the other end of insulation backguy rope connects wire grip;
Step 4, carry out the replacing of strain insulator; Lax strain insulator and strain clamp are taken apart, re-used empire cloth and strain clamp is insulated cover; New strain insulator is connected with strain clamp, realizes the replacing of strain insulator, strain insulator and strain clamp are connected firmly after, remove this phase insulation measures.
The technique effect that the present invention can reach is:
Adopt method of the present invention; Can be under the situation of supply line's normal power supply; In time change strain insulator, ensure the safe normal power supply of supply line, the adverse effect of avoiding having a power failure and bringing to power supply enterprise and power consumer with defective; Improve power supply reliability, electricity sales amount, lifting industry service quality, guarantee the client is carried out uninterrupted power supply.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation:
Fig. 1 is the flow chart of method of the strain insulator of charged transposing 10kV supply line;
Fig. 2 is the structural representation of the instrument of charged transposing strain insulator;
Fig. 3 is the upward view of Fig. 2.
Description of reference numerals among the figure:
1 is the insulation connecting plate, and 2 is the drag hook retainer ring,
3 is insulated tension pole, and 4 is screw mandrel,
5 are the insulation connecting plate, and 6 are the rotation draw ring,
7 is the cross-arm drag hook.
Embodiment
As shown in Figure 1, the method for the strain insulator of the charged transposing of the present invention 10kV supply line, the strain insulator in transposing 10kV supply line under the charged condition comprises the steps:
1, confirms meteorological condition;
Select to carry out live line working under the good weather, avoid the climatic phenomenon of thunder, rain, snow, mist, wind-force is not more than 5 grades, and relative air humidity is not more than 80%;
If meeting weather changes suddenly, in the time of might jeopardizing the person or device security, should quit work immediately in the live line working process, restorer normal condition as early as possible, or set up interim safety measure;
2, prepare;
Operation is shaken survey with insulating tool, and insulation resistance should be not less than 700M Ω, electrode spacing 2cm;
3, change the live line working of the strain insulator in the 10kV supply line;
Step 1, insulate and cover; Insulation bucket is adjusted to a side of limit phase, middle phase conductor respectively, the insulation bucket is kept a safe distance with lead; Respectively three leads (two limit phase conductors, a middle phase conductor) of 10kV supply line, strain clamp, strain insulator on the lead are done insulation and cover measure;
In the live line working process, effective insulated lengths of aerial lift device with insulated arm keeps 1m; The insulation bucket keeps being not less than 0.4m over the ground, adjacent phase conductor is not less than the safe distance of 0.6m; As can not guarantee this safe distance the time, should adopt isolation baffle plate, pipe, cloth and other insulation to cover measure;
Following method is adopted in the measure of covering:
On strain insulator, install insulator mask or empire cloth additional and cover, perhaps the strain insulator lead-in wire is bandaged with empire cloth;
When operation circuit lower floor has low-voltage circuit to close bar, as hindering operation, this low-voltage circuit is added insulating sleeve or empire cloth covers.
Step 2, installation insulation stringing frame and wire grip; The insulation bucket is adjusted to lead (like a middle phase conductor) side of desire transposing strain insulator; Be installed in insulation stringing frame as shown in Figure 2 on the strain insulator cross-arm; One end of insulation stringing frame connects the strain insulator cross-arm through cross-arm drag hook 7, and the other end of insulation stringing frame connects wire grip through rotation draw ring 6; The other end of wire grip connects lead, and it is lax to tighten up lead to strain insulator;
Like Fig. 2, shown in Figure 3, insulation stringing frame comprises that insulated tension pole 3,1,5, two insulated tension poles that are parallel to each other 3 of insulation connecting plate connect through two insulation connecting plates that are parallel to each other 1, form the insulation stringing frame of rectangle; One end of two insulated tension poles 3 is fixedly connected with the first insulation connecting plate 1 respectively, and the other end of two insulated tension poles 3 flexibly connects through the screw mandrel 4 and the second insulation connecting plate 5 respectively;
The middle part of the first insulation connecting plate 1 connects cross-arm drag hook 7 through drag hook retainer ring 2; Perhaps the two ends of the first insulation connecting plate 1 connect cross-arm drag hook 7 through drag hook retainer ring 2 respectively;
The middle part of the second insulation connecting plate 5 connects rotation draw ring 6.
When changing the insulator of limit phase conductor, the middle part of the first insulation connecting plate 1 is provided with cross-arm drag hook 7; During the insulator of phase conductor, the two ends of the first insulation connecting plate 1 are provided with cross-arm drag hook 7 in the transposing; Thereby can solve transposing during insulator in limit phase conductor different problems.
Step 3, installation insulation backup protection backguy rope; Install the insulation backguy rope that backup protection uses additional in the outside of wire grip, the insulation backguy end of restricting connects the strain insulator cross-arm, and the other end of insulation backguy rope connects wire grip;
Step 4, carry out the replacing of strain insulator; Loose strain insulator and strain clamp are taken apart, re-used empire cloth and strain clamp is insulated cover; New strain insulator is connected with strain clamp, realizes the replacing of strain insulator, strain insulator and strain clamp are connected firmly after, remove this phase insulation measures.
The present invention all carries out insulation measures to three leads in the process of transposing strain insulator, to guarantee job safety.

Claims (3)

1. a charged method of changing the strain insulator of 10kV supply line is characterized in that: comprise the steps:
The first step is confirmed meteorological condition;
The weather condition of live line working is: avoid the climatic phenomenon of thunder, rain, snow, mist, wind-force is not more than 5 grades, and relative air humidity is not more than 80%;
In second step, prepare;
Operation is shaken survey with insulating tool, and insulation resistance should be not less than 700M Ω, electrode spacing 2cm;
In the 3rd step, change the live line working of the strain insulator in the 10kV supply line;
Step 1, insulate and cover; Insulation bucket is adjusted to a side of limit phase, middle phase conductor respectively, making insulation bucket and lead keep being not less than the safe distance of 0.6m; Respectively three leads of 10kV supply line, strain clamp, strain insulator on the lead are done insulation and cover measure;
Step 2, installation insulation stringing frame and wire grip; The insulation bucket is adjusted to lead one side that desire is changed strain insulator, be installed in insulation stringing frame on the strain insulator cross-arm, an end of insulation stringing frame connects the strain insulator cross-arm through the cross-arm drag hook, and the other end of the stringing frame that insulate connects wire grip through the rotation draw ring; The other end of wire grip connects lead, and it is lax to tighten up lead to strain insulator;
Step 3, installation insulation backup protection backguy rope; Install the insulation backguy rope that backup protection uses additional in the outside of wire grip, the insulation backguy end of restricting connects the strain insulator cross-arm, and the other end of insulation backguy rope connects wire grip;
Step 4, carry out the replacing of strain insulator; Lax strain insulator and strain clamp are taken apart, re-used empire cloth and strain clamp is insulated cover; New strain insulator is connected with strain clamp, realizes the replacing of strain insulator, strain insulator and strain clamp are connected firmly after, remove this phase insulation measures.
2. charged method of changing the strain insulator of 10kV supply line according to claim 1 is characterized in that: in the live line working process in said the 3rd step, effective insulated lengths of aerial lift device with insulated arm keeps 1m; The insulation bucket keeps being not less than 0.4m over the ground, adjacent phase conductor is not less than the safe distance of 0.6m; Perhaps in the live line working process in the 3rd step, adopt the insulation of isolation baffle plate, pipe, cloth to cover measure to the insulation bucket.
3. charged method of changing the strain insulator of 10kV supply line according to claim 1; It is characterized in that: in the step 1 in said the 3rd step three leads of 10kV supply line, strain clamp, strain insulator on the lead are made insulation and cover the method for measure and be: on strain insulator, install insulator mask or empire cloth additional and cover, perhaps the strain insulator lead-in wire is bandaged with empire cloth; When operation circuit lower floor has low-voltage circuit to close bar, this low-voltage circuit is added insulating sleeve or empire cloth covers.
CN201010591629XA 2010-12-16 2010-12-16 Method for changing tension simulators from live 10kV power supply line CN102545094A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102931613A (en) * 2012-11-27 2013-02-13 宁波市鄞州供电局 Tension china bottle replacing device
CN102957109A (en) * 2012-11-27 2013-03-06 宁波市鄞州供电局 Tension china bottle changing device
CN103036179A (en) * 2012-11-27 2013-04-10 宁波市鄞州供电局 Tension resistant china bottle replacing device
CN103066524A (en) * 2012-11-27 2013-04-24 宁波市鄞州供电局 Tension resistant china bottle replacing device
CN103178469A (en) * 2013-03-20 2013-06-26 江苏省电力公司常州供电公司 Operating method for replacing suspension type porcelain bottle of straight line pole for 35-kV overhead distribution line in electrified manner
CN103618245A (en) * 2013-11-08 2014-03-05 国家电网公司 Electrified strain opening operation method on distribution network
CN103795005A (en) * 2014-03-05 2014-05-14 国家电网公司 Special tool for dual protection of wire of strain tower
CN104113007A (en) * 2013-04-22 2014-10-22 江苏省电力公司常州供电公司 Operation method for replacing strain insulator of 35kV overhead distribution line in live state
CN105811312A (en) * 2016-06-06 2016-07-27 国网湖南省电力公司带电作业中心 Bottle-supporting and line-tightening tool for replacing tension insulator of distribution line and application method thereof
CN108390311A (en) * 2018-03-15 2018-08-10 广东省输变电工程有限公司 A kind of V-type insulator chain charged for replacement method of electric power line pole tower

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201601419U (en) * 2009-11-06 2010-10-06 江苏省电力公司淮安供电公司 Insulation clamp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201601419U (en) * 2009-11-06 2010-10-06 江苏省电力公司淮安供电公司 Insulation clamp

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
上海市电力公司: "《10kV架空配电线路带电作业指导书》", 31 July 2007, article "《10kV架空配电线路带电作业指导书》" *
张仕民等: "带电更换10kV线路耐张绝缘子的方法", 《四川电力技术》, no. 3, 30 June 2003 (2003-06-30) *

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103036179B (en) * 2012-11-27 2015-10-21 宁波市鄞州供电局 Tension-resistant china bottle replacement device
CN102957109A (en) * 2012-11-27 2013-03-06 宁波市鄞州供电局 Tension china bottle changing device
CN103036179A (en) * 2012-11-27 2013-04-10 宁波市鄞州供电局 Tension resistant china bottle replacing device
CN103066524A (en) * 2012-11-27 2013-04-24 宁波市鄞州供电局 Tension resistant china bottle replacing device
CN102957109B (en) * 2012-11-27 2016-01-20 宁波市鄞州供电局 Tension-resistant china bottle replacement device
CN103066524B (en) * 2012-11-27 2015-10-21 宁波市鄞州供电局 Tension-resistant china bottle replacement device
CN102931613A (en) * 2012-11-27 2013-02-13 宁波市鄞州供电局 Tension china bottle replacing device
CN102931613B (en) * 2012-11-27 2015-10-21 宁波市鄞州供电局 Tension-resistant china bottle replacement device
CN103178469A (en) * 2013-03-20 2013-06-26 江苏省电力公司常州供电公司 Operating method for replacing suspension type porcelain bottle of straight line pole for 35-kV overhead distribution line in electrified manner
CN104113007A (en) * 2013-04-22 2014-10-22 江苏省电力公司常州供电公司 Operation method for replacing strain insulator of 35kV overhead distribution line in live state
CN103618245A (en) * 2013-11-08 2014-03-05 国家电网公司 Electrified strain opening operation method on distribution network
CN103618245B (en) * 2013-11-08 2017-04-12 国家电网公司 Electrified strain opening operation method on distribution network
CN103795005A (en) * 2014-03-05 2014-05-14 国家电网公司 Special tool for dual protection of wire of strain tower
CN105811312A (en) * 2016-06-06 2016-07-27 国网湖南省电力公司带电作业中心 Bottle-supporting and line-tightening tool for replacing tension insulator of distribution line and application method thereof
CN108390311A (en) * 2018-03-15 2018-08-10 广东省输变电工程有限公司 A kind of V-type insulator chain charged for replacement method of electric power line pole tower

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Application publication date: 20120704