CN104037648A - Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire - Google Patents
Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire Download PDFInfo
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- CN104037648A CN104037648A CN201410201070.3A CN201410201070A CN104037648A CN 104037648 A CN104037648 A CN 104037648A CN 201410201070 A CN201410201070 A CN 201410201070A CN 104037648 A CN104037648 A CN 104037648A
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Abstract
The invention relates to an operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of a zero-load-line lead wire. Through an operating method of using an insulating aerial lift truck to carry out electrified disconnection and connection of the lead wire on a zero-load line, the method is cooperatively implemented by three kinds of work personnel: a work leader, bucket electricians and ground electricians. The method mainly includes steps of stop of line reclosing, on-site work instrument detection, insulating shielding and isolating measure taking, work instrument installation, electrified disconnection (connection) of the zero-load-line lead wire, termination of the insulating shielding and isolating measures, evacuation of the work personnel from the site and line reclosing restoring and the like. The beneficial effects of the operating method are that defects of an insulating platform operating method can be compensated, efficient and rapid operation of electrified connection and disconnection of a 35kV zero-load line can be realized, comparatively great economic benefit and social benefit can be generated, the work efficiency of a maintenance work and the safety benefit of the work personnel can be effectively improved and domestic blanks in the field can be filled effectively.
Description
Technical field
the present invention relates to 35kV overhead transmission line hotline maintenance operation technique field, be specifically related to the charged breaking and connecting nonloaded line lead-in wire of a kind of 35kV overhead transmission line insulating gloves method operational method.
Background technology
Along with the fast development of national economy, society has higher requirement to the power supply reliability of power supply enterprise and the quality of power supply.35kV overhead transmission line belongs to the important component part of China's electric power networks, because it has that construction cost is low, the construction period is short and radius of electricity supply is widely used in the large and larger areas of radius of electricity supply of some loads of China compared with the advantage such as large.But, because 35kV overhead transmission line exists that equipment is many, insulation level is low and the problem such as direct user oriented, cause easily breaking down under atmospheric over-voltage, filth or other extraneous factor effects, and due to part power supply facilities outmoded aging, equipment perfectness is low, and accident potential is increased.At present, comparatively conventional equal potential working or earth potential working mode in general employing transmission line when the operation of 35kV overhead transmission line hotline maintenance, but earth potential working labour intensity is large, operating efficiency is lower, equal potential working brings more serious potential safety hazard because of the relatively little personal safety to operating personnel in 35kV overhead transmission line shaft tower gap.Existing a kind of operational method that adopts insulated platform to implement the charged breaking and connecting nonloaded line lead-in wire of 35kV overhead transmission line, but there is a lot of weak points in the method, such as not receiving, adapts to the on-the-spot needs of the dissimilar shaft tower such as electric pole and steel tower, cannot be general; Staff's scope of activities on insulated platform is little, easily occurs security risk, need to install in advance and remove insulated platform afterwards during operation, expends a large amount of manpower and materials, and consuming time longer, labour intensity is larger, and efficiency is low.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of and can be applicable to different shaft towers scene, can save the operational method of the charged breaking and connecting nonloaded line lead-in wire of 35kV overhead transmission line insulating gloves method that at least half activity duration, high, the safe and reliable charged breaking and connecting nonloaded line of efficiency go between simultaneously.
The technical solution adopted in the present invention is: the operational method of the charged breaking and connecting nonloaded line lead-in wire of a kind of 35kV overhead transmission line insulating gloves method, by electrician and ground electrician three class personnel coordinating operations in work director, aerial lift device with insulated arm, take aerial lift device with insulated arm as carrying, adopt insulating gloves working system, comprise the following steps:
(1) work director should contact with scheduling according to live line working work ticket content before work, the inactive respective lines reclosing of application;
(2) work director reads out work ticket, and the task of handing over work, carries out dangerous spot to the member of shift and inform, explanation safety measure and technical measures, confirm that each member of shift knows, check that whether the member of the shift state of mind is good, clearly make division of labor and lines of specialities and safety notice;
(3) before operation, insulating tool is placed on moistureproof tarpaulin, check the whether good also wiped clean of all kinds of safety work Work tool outward appearances, use insulating resistance detecting instrument to check insulating tools such as insulation clothing, insulated target and insulated shielding covers, confirm that its insulating resistance value is not less than 700M Ω otherwise needs replacing;
(4) in aerial lift device with insulated arm, electrician has dressed individual insulating protection apparatus, carries the operation Work tools such as high voltage electroscope and insulated shielding cover, enters in aerial lift device with insulated arm, fastens seat belts.
(5) electrician operates aerial lift device with insulated arm and in position electrified body and earthing component is carried out to electrical verification in aerial lift device with insulated arm, after work director license, enters live line working region;
(6) in aerial lift device with insulated arm electrician according to first electrified body after earth electrode, from the close-by examples to those far off, from down to up, descending order, with wire mask, insulated target and insulated shielding cover philosophy, wire, lead-in wire and insulator etc. are insulated and are covered;
(7) complete insulation cover after, in aerial lift device with insulated arm, under No. 1 electrician No. 2 electricians' in aerial lift device with insulated arm cooperation, open the insulation isolation of lead-in wire parallel groove clamp, extinguishing arc coaster is fixed on mains side wire, extinguishing arc rope is by extinguishing arc coaster, other end extinguishing arc rope is fastened on load side drainage thread, and ground electrician controls insulation stay cord well;
(8) ground electrician strains extinguishing arc rope it is reliably contacted with extinguishing arc coaster on mains side wire, and in aerial lift device with insulated arm, No. 1 electrician director that reports after checking, takes lead-in wire parallel groove clamp apart after agreement, and mains side wire jumper drainage thread is fixed on to strain clamp place;
(9) in aerial lift device with insulated arm, No. 2 electricians operate aerial lift device with insulated arm and 4 meters of above safe distances of drainage thread maintenance, two ground electricians wear goggles, work director commands ground electrician, ground electrician's drawing line traffic control rope making, another ground electrician emits extinguishing arc rope immediately, make load side drainage thread hightail extinguishing arc coaster with extinguishing arc rope, a side line road is out of service;
(10) No. 2 electricians operate aerial lift device with insulated arm and get back to service position pack processing and tie load side wire jumper drainage thread in aerial lift device with insulated arm;
(11) after work director agrees to, remove insulation quarantine measures, aerial lift device with insulated arm commutation, to appropriate location, is disconnected to other two phase terminals by said procedure, if connect nonloaded line lead-in wire, according to above contrary program, carry out;
(12) break or connect after lead-in wire end-of-job, through work director, agree to, in aerial lift device with insulated arm electrician according to first earth electrode after electrified body, draw near, order from top to bottom removes successively insulation and covers, the aerial lift device with insulated arm region of deactivating, in aerial lift device with insulated arm, electrician returns to ground;
(13) work director checks the work after completing comprehensively, after confirming to meet acceptance specification and requiring, records the on the regular payroll and scene of organizing and knocks off and can carry out work comment, then announces end-of-job;
(14) after hours, report traffic control and finish, shift withdraws scene, can recover circuit re-switching.
During live line working, operating personnel should keep neighbour to be no less than mutually 0.8 meter, to be no less than the safe distance of 0.6 meter over the ground, as can not guarantee this apart from time should take corresponding insulation to cover measure.
During charged breaking and connecting nonloaded line, operating personnel should wear goggles, and takes corresponding extinguishing arc measure, forbids on-load breaking and connecting lead-in wire.
Forbid that in aerial lift device with insulated arm, electrician removes live wire and earthy insulation quarantine measures simultaneously; Forbid to contact 2 broken ends of wire access failure or that disconnected simultaneously, in case human body seals in circuit, cause security incident.
The invention has the beneficial effects as follows: owing to utilizing aerial lift device with insulated arm for carrying, adopt the new operational method of insulating gloves working system to the charged breaking and connecting nonloaded line lead-in wire of 35kV overhead transmission line, improved service work personnel's personal safety, promoted upkeep operation efficiency, there is larger economic benefit and social benefit, filled up domestic and utilized aerial lift device with insulated arm to use the blank of insulating gloves to the charged breaking and connecting nonloaded line lead-in wire of 35kV overhead transmission line operation field.The method time and labour saving, can adapt to different shaft tower demands, and in bucket, operating personnel's work activities scope is large, operation safe is reliable, simple and convenient, improve operating personnel's personal safety, promoted service work efficiency, there is larger economic benefit and social benefit.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
1, operating type: utilize aerial lift device with insulated arm, adopt insulating gloves working system, the charged breaking and connecting nonloaded line lead-in wire of 35kV overhead transmission line is changed to operation.
2, operating personnel: need altogether 6 people, the director that wherein works (guardian) 1 people; Electrician 2 people in aerial lift device with insulated arm; Ground electrician 3 people.
3, key operation Work tool
| Sequence number | Work tool and title material | Model | Quantity |
| 1 | Aerial lift device with insulated arm | 35kV | 1 |
| 2 | Rope is transmitted in insulation | 35kV | Article 1, |
| 3 | Insulating cord | 35kV | Article 2, |
| 4 | Insulated target | 35kV | Some |
| 5 | Insulated target folder | ? | Some |
| 6 | Wire insulation mask | 35kV | 6 |
| 7 | Rigid insulation mask | 35kV | 3 |
| 8 | Insulation tippet | 35kV | 2 covers |
| 9 | Insulation boots | 35kV | 2 pairs |
| 10 | Insulating gloves | 35kV | 2 pairs |
| 11 | Kid gloves | 35kV | 2 pairs |
| 12 | Goggles | 35kV | 2 pairs |
| 13 | Insulating bar | 35kV | 1 |
| 14 | Insulation safety cap | 35kV | 6 tops |
| 15 | Insulated safety belt | 35kV | Article 2, |
| 16 | Extinguishing arc coaster | 35kV | 1 |
| 17 | Tackle pulley | ? | 1 cover |
| 18 | Extinguishing arc rope | ? | Article 1, |
| 19 | Moistureproof tarpaulin | ? | 2 |
| 20 | Protective fence | ? | 1 cover |
| 21 | High voltage electroscope | ? | 1 |
| 22 | Insulation tester | ? | 1 |
4, concrete job step
(1) work director should contact with scheduling according to live line working work ticket content before work, the inactive respective lines reclosing of application;
(2) work director reads out work ticket, and the task of handing over work, carries out dangerous spot to the member of shift and inform, explanation safety measure and technical measures, confirm that each member of shift knows, check that whether the member of the shift state of mind is good, clearly make division of labor and lines of specialities and safety notice;
(3) before operation, insulating tool is placed on moistureproof tarpaulin, checks the whether good also wiped clean of all kinds of safety work Work tool outward appearances.Use insulating resistance detecting instrument to check insulating tools such as insulation clothing, insulated target and insulated shielding covers, confirm that its insulating resistance value is not less than 700M Ω otherwise needs replacing;
(4) in aerial lift device with insulated arm, electrician has dressed individual insulating protection apparatus, carries the operation Work tools such as high voltage electroscope and insulated shielding cover, enters in operational insulation bucket arm vehicle, fastens seat belts.
(5) electrician operates aerial lift device with insulated arm and in position electrified body and earthing component is carried out to electrical verification in aerial lift device with insulated arm, after work director license, enters live line working region;
(6) in aerial lift device with insulated arm electrician according to first electrified body after earth electrode, from the close-by examples to those far off, from down to up, descending order, with wire mask, insulated target and insulated shielding cover philosophy, wire, lead-in wire and insulator etc. are insulated and are covered;
(7) complete insulation cover after, in aerial lift device with insulated arm, under No. 1 electrician No. 2 electricians' in aerial lift device with insulated arm cooperation, open the insulation isolation of lead-in wire parallel groove clamp, extinguishing arc coaster is fixed on mains side wire, extinguishing arc rope is by extinguishing arc coaster, other end extinguishing arc rope is fastened on load side drainage thread, and ground electrician controls insulation stay cord well;
(8) ground electrician strains extinguishing arc rope it is reliably contacted with extinguishing arc coaster on mains side wire, and in aerial lift device with insulated arm, No. 1 electrician director that reports after checking, takes lead-in wire parallel groove clamp apart after agreement, and mains side wire jumper drainage thread is fixed on to strain clamp place;
(9) in aerial lift device with insulated arm, No. 2 electricians operate aerial lift device with insulated arm and 4 meters of above safe distances of drainage thread maintenance, two ground electricians wear goggles, work director commands ground electrician, ground electrician's drawing line traffic control rope making, another ground electrician emits extinguishing arc rope immediately, make load side drainage thread hightail extinguishing arc coaster with extinguishing arc rope, a side line road is out of service;
(10) No. 2 electricians operate aerial lift device with insulated arm and get back to service position pack processing and tie load side wire jumper drainage thread in aerial lift device with insulated arm;
(11) after work director agrees to, remove insulation quarantine measures, aerial lift device with insulated arm commutation, to appropriate location, is disconnected to other two phase terminals (if connect nonloaded line lead-in wire, carrying out according to above contrary program) by said procedure;
(12) after disconnected (or connecing) lead-in wire end-of-job, through work director, agree to, in aerial lift device with insulated arm electrician according to first earth electrode after electrified body, draw near, order from top to bottom removes successively insulation and covers, the aerial lift device with insulated arm region of deactivating, in aerial lift device with insulated arm, electrician returns to ground;
(13) work director checks the work after completing comprehensively, after confirming to meet acceptance specification and requiring, records the on the regular payroll and scene of organizing and knocks off and can carry out work comment, then announces end-of-job;
(14) after hours, report traffic control and finish, shift withdraws scene, can recover circuit re-switching.
5, safety notice
(1) live line working should be carried out under good weather.In case of thunder and lightning, snow, hail, rain, mist etc. are forbidden to carry out live line working.Wind-force is greater than 5 grades, or humidity is while surpassing 80%, generally should not carry out live line working;
(2), while using the operation of 35kV aerial lift device with insulated arm, the effective insulated lengths of minimum of its insulation arm is 1.5 meters; The effective insulated lengths of insulating bar must not be less than 0.9 meter;
(3) during live line working, operating personnel should keep being no less than over the ground 0.6 meter, adjacent phase conductor is no less than to the safe distance of 0.8 meter, as can not be guaranteed this safe distance time, should adopt other insulation such as insulating barrier to cover measure;
(4) forbid that in aerial lift device with insulated arm, electrician removes live wire and earthy insulation quarantine measures simultaneously; Forbid to contact 2 broken ends of wire access failure or that disconnected, in case human body seals in circuit simultaneously;
(5), during charged breaking and connecting nonloaded line, operating personnel should wear goggles, and takes corresponding extinguishing arc measure.Forbid on-load breaking and connecting lead-in wire.
Finally it should be noted that, protection scope of the present invention is not limited to above-mentioned instantiation mode, as long as those of ordinary skills are without the execution mode that can associate through creative work, all belongs in scope of patent protection of the present invention.
Claims (4)
1. the operational method of the charged breaking and connecting nonloaded line lead-in wire of a 35kV overhead transmission line insulating gloves method, it is characterized in that, by electrician and ground electrician three class personnel coordinating operations in work director, aerial lift device with insulated arm, take aerial lift device with insulated arm as carrying, adopt insulating gloves working system, comprise the following steps:
(1) work director should contact with scheduling according to live line working work ticket content before work, the inactive respective lines reclosing of application;
(2) work director reads out work ticket, and the task of handing over work, carries out dangerous spot to the member of shift and inform, explanation safety measure and technical measures, confirm that each member of shift knows, check that whether the member of the shift state of mind is good, clearly make division of labor and lines of specialities and safety notice;
(3) before operation, insulating tool is placed on moistureproof tarpaulin, check the whether good also wiped clean of all kinds of safety work Work tool outward appearances, use insulating resistance detecting instrument to check insulating tools such as insulation clothing, insulated target and insulated shielding covers, confirm that its insulating resistance value is not less than 700M Ω otherwise needs replacing;
(4) in aerial lift device with insulated arm, electrician has dressed individual insulating protection apparatus, carries the operation Work tools such as high voltage electroscope and insulated shielding cover, enters in aerial lift device with insulated arm, fastens seat belts;
(5) electrician operates aerial lift device with insulated arm and in position electrified body and earthing component is carried out to electrical verification in aerial lift device with insulated arm, after work director license, enters live line working region;
(6) in aerial lift device with insulated arm electrician according to first electrified body after earth electrode, from the close-by examples to those far off, from down to up, descending order, with wire mask, insulated target and insulated shielding cover philosophy, wire, lead-in wire and insulator etc. are insulated and are covered;
(7) complete insulation cover after, in aerial lift device with insulated arm, under No. 1 electrician No. 2 electricians' in aerial lift device with insulated arm cooperation, open the insulation isolation of lead-in wire parallel groove clamp, extinguishing arc coaster is fixed on mains side wire, extinguishing arc rope is by extinguishing arc coaster, other end extinguishing arc rope is fastened on load side drainage thread, and ground electrician controls insulation stay cord well;
(8) ground electrician strains extinguishing arc rope it is reliably contacted with extinguishing arc coaster on mains side wire, and in aerial lift device with insulated arm, No. 1 electrician director that reports after checking, takes lead-in wire parallel groove clamp apart after agreement, and mains side wire jumper drainage thread is fixed on to strain clamp place;
(9) in aerial lift device with insulated arm, No. 2 electricians operate aerial lift device with insulated arm and 4 meters of above safe distances of drainage thread maintenance, two ground electricians wear goggles, work director commands ground electrician, ground electrician's drawing line traffic control rope making, another ground electrician emits extinguishing arc rope immediately, make load side drainage thread hightail extinguishing arc coaster with extinguishing arc rope, a side line road is out of service;
(10) No. 2 electricians operate aerial lift device with insulated arm and get back to service position pack processing and tie load side wire jumper drainage thread in aerial lift device with insulated arm;
(11) after work director agrees to, remove insulation quarantine measures, aerial lift device with insulated arm commutation, to appropriate location, is disconnected to other two phase terminals by said procedure, if connect nonloaded line lead-in wire, according to above contrary program, carry out;
(12) break or connect after lead-in wire end-of-job, through work director, agree to, in aerial lift device with insulated arm electrician according to first earth electrode after electrified body, draw near, order from top to bottom removes successively insulation and covers, the aerial lift device with insulated arm region of deactivating, in aerial lift device with insulated arm, electrician returns to ground;
(13) work director checks the work after completing comprehensively, after confirming to meet acceptance specification and requiring, records the on the regular payroll and scene of organizing and knocks off and can carry out work comment, then announces end-of-job;
(14) after hours, report traffic control and finish, shift withdraws scene, can recover circuit re-switching.
2. the charged breaking and connecting nonloaded line of 35kV overhead transmission line insulating gloves method according to claim 1 lead-in wire operational method, it is characterized in that, during live line working, operating personnel should keep neighbour to be no less than mutually 0.8 meter, to be no less than the safe distance of 0.6 meter over the ground, as can not guarantee this apart from time should take corresponding insulation to cover measure.
3. the charged breaking and connecting nonloaded line of 35kV overhead transmission line insulating gloves method according to claim 1 lead-in wire operational method, it is characterized in that, during charged breaking and connecting nonloaded line, operating personnel should wear goggles, and take corresponding extinguishing arc measure, forbid on-load breaking and connecting lead-in wire.
4. the charged breaking and connecting nonloaded line lead-in wire of 35kV overhead transmission line insulating gloves method according to claim 1 operational method, is characterized in that, forbids that in aerial lift device with insulated arm, electrician removes live wire and earthy insulation quarantine measures simultaneously; Forbid to contact 2 broken ends of wire access failure or that disconnected simultaneously, in case human body seals in circuit, cause security incident.
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| CN201410201070.3A CN104037648A (en) | 2014-05-14 | 2014-05-14 | Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire |
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| CN201410201070.3A CN104037648A (en) | 2014-05-14 | 2014-05-14 | Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire |
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| CN201410201070.3A Pending CN104037648A (en) | 2014-05-14 | 2014-05-14 | Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire |
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Cited By (3)
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| CN109921335A (en) * | 2019-03-25 | 2019-06-21 | 云南电网有限责任公司昆明供电局 | Pylon route uses extinguishing arc rope ground potential breaking and connecting drainage thread working system |
| CN110797796A (en) * | 2019-12-05 | 2020-02-14 | 云南电网有限责任公司带电作业分公司 | Streamline operation method for breaking or connecting breaker of insulating short rod |
| CN111817202A (en) * | 2020-06-30 | 2020-10-23 | 国网上海市电力公司 | Arc extinction device and method for live lapping of no-load cable terminal lead of distribution line |
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| CN110797796A (en) * | 2019-12-05 | 2020-02-14 | 云南电网有限责任公司带电作业分公司 | Streamline operation method for breaking or connecting breaker of insulating short rod |
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Application publication date: 20140910 |