CN101640392A - Live-wire operation method for cutting off drainage wire for 35kV distribution circuit - Google Patents
Live-wire operation method for cutting off drainage wire for 35kV distribution circuit Download PDFInfo
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- CN101640392A CN101640392A CN200910304372A CN200910304372A CN101640392A CN 101640392 A CN101640392 A CN 101640392A CN 200910304372 A CN200910304372 A CN 200910304372A CN 200910304372 A CN200910304372 A CN 200910304372A CN 101640392 A CN101640392 A CN 101640392A
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- insulation
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Abstract
The invention relates to the technical field of live-wire operation of a 35kV distribution circuit, and provides an intermediate potential live-wire operation method for cutting of a drainage wire fora 35kV distribution circuit by using an insulating platform. Four types of operating personnel, including work managers, platform operating electricians, pole operating electricians and ground operating electricians coordinate with each other for operation. The operation method of the invention comprises the steps of on-site inspection of appliances, insulation shielding, cutting-off operation ofthe drainage wire, shield removing, and the like. The operation method of the invention is used for live-wire operation of emergency repair and maintenance for the 35kV distribution circuit, improvesthe power distribution reliability of a distribution network and fills the internal blank in the field of live-wire operation of the 35kV distribution circuit.
Description
Technical field
The present invention relates to 35kV distribution line live working technical field.
Background technology
Distribution network is direct power infrastructures towards large size industrial enterprise, the plurality of advantages that the 35kV distribution line is low because of its construction cost, the construction period is short, radius of electricity supply is bigger, and extensively adopt in each oil field at home.But because the distribution network insulation level is low, under atmospheric over-voltage, filth or other extraneous factor effect, easily break down, and because some areas power supply facilities is outmoded aging, equipment perfectness is low, and accident potential is increased.For improving the power supply reliability of distribution network, just must carry out charged repairing and upkeep operation to distribution network.
At present, domestic ongoing live line working concentrates on equal potential working mode on 110kV and the above power transmission sequence and two zones of medial potential working mode on 10kV and the following distribution line.And, the live line working technology of 35kV distribution line is not comprised that as yet technology such as charged cutting off drainage wire carries out application study because the wire pitch of 35kV distribution line is little, electric pressure is high, transmission capacity is big.
Summary of the invention
Technical problem to be solved by this invention provides the operational method of the charged cutting off drainage wire of a kind of 35kV distribution line, it is used for charged repairing and upkeep operation to the 35kV distribution line, improved the power supply reliability of distribution network, filled up domestic blank in this field.
For solving the problems of the technologies described above, the invention provides a kind of operational method of utilizing insulated platform to 35kV distribution line live working cutting off drainage wire, it is characterized in that, by the work director, platform operation electrician, operation electrician on the bar, Ground Operation electrician four class operating personnel coordinating operations, adopt intermediate point position method operation, may further comprise the steps:
Step 1, team enter the job site, and described work director reads out work ticket, the task that hands over work to one's successor, explanation safety notice and clarification in certain roles;
Do step 2, described operating personnel check whether the outward appearance of operating apparatus, safety protective tools excellent? if have breakage, then changed; Adopt megohmmeter to the carrying out insulation property respectively along face and shake survey of the insulation clothing in the described safety protective tools, insulated target, insulation resistance is qualified greater than 700 megaohms, otherwise is changed; The operation electrician puts on insulation clothing, insulation boots, insulating gloves, insulation safety cap respectively on described platform operation electrician, the bar, and described insulation clothing, insulation boots, insulating gloves, insulation safety cap all satisfy the requirement of 35KV circuit homework;
Step 3, described work director check the circuit situation, and after reclosing is stopped using in the application of power scheduling department, and after obtaining confirming, order begins to step on bar work;
Step 4, described platform operation electrician carry insulation transmission rope and climb up electric pole to the suitable operating position that is not less than 1m from the electrified body safe distance, fasten seat belts, and hang up properly the insulation coaster;
Step 5, described Ground Operation electrician cooperate described platform operation electrician that insulated platform is fixed on the position of being convenient to described platform operation electrician operation, and described platform operation electrician is transferred on the described insulated platform;
Step 6, described Ground Operation electrician utilize insulation to transmit rope high voltage electroscope, cross-arm mask, insulated target, insulated target folder, lead mask are passed to described platform operation electrician one by one;
Step 7, described platform operation electrician are according to first electrified body, the principle of back earth electrode, from the near to the remote, order from top to bottom adopts described lead mask, described insulated target, insulated target folder, described cross-arm mask lead, insulator, cross-arm to be insulated cover respectively;
Step 8, described platform operation electrician open desire operation one mutually insulation cover, the operation electrician locks the limit drainage thread with the insulation locking bar on the described bar, described platform operation electrician removes drainage thread and this lap joint of main line mutually, the operation electrician uses the insulation locking bar with described drainage thread and this main line disengaging mutually on the described bar, and cooperate described platform operation electrician will take described drainage thread apart to return on the lead line that is bind to this drainage thread, recover immediately then the insulation of this phase is covered;
Operation electrician and described platform operation electrician work in coordination insulated platform are transferred to certain fit job position on one side on step 9, the described bar, and described platform operation electrician is transferred on the insulated platform, and 8 described methods are carried out the cutting off drainage wire operation set by step;
Step 10, repeating step 9 carry out the cutting off drainage wire operation to all the other limit phase conductors;
Step 11, described platform operation electrician are covered by the orderly release insulation of covering reversed in order with step 7 and to be comprised and are transferred to mask and insulated target on the electric pole then under operation electrician on the described bar cooperates;
Step 12, described operating personnel work in coordination and remove described insulated platform and pass ground back, and the operation electrician turns back to ground respectively on described then platform operation electrician, the bar;
After step 13, described work director inspect for acceptance comprehensively, report to power scheduling department, work finishes, and recovers this circuit reclosing.
The invention provides a kind of operational method of charged cutting off drainage wire of 35kV distribution line, it is used for charged repairing and upkeep operation to the 35kV distribution line, improved the power supply reliability of distribution network, filled up domestic blank in the charged cutting off drainage wire operation of 35kV distribution line field.
Embodiment
This embodiment is utilized insulated platform, adopts the intermediate potential method that the three-wire system distribution line is carried out the cutting off drainage wire operation.
1, personnel's combination
The operating personnel comprises: work director 1 people, platform operation electrician 1 people, operation electrician 1 people on the bar, Ground Operation electrician 4 people.
2, key operation utensil
1 pair of insulated platform
6 of lead masks
3 of rubber-covered blankets
6 of insulation resin blankets
1 of high voltage electroscope
2 in rope is transmitted in insulation
Insulating bar 1 pair
Insulation locking bar 1 pair
5 on insulated target folder
3, safety device
Insulation clothing 1 cover
Insulation safety cap 2 tops
2 pairs of insulating glovess
2 pairs of insulated shoes
2 pairs of kid gloves
2 pairs of sweat-absorbing gloves
2 pairs on insulation safety band
4, concrete job step
4.1, the operating personnel enters the job site, the work director reads out work ticket, the task that hands over work to one's successor, explanation safety notice and clarification in certain roles.
4.2, check whether the outward appearance of operating apparatus, safety protective tools excellent? if have breakage, then changed; Adopt megohmmeter to the carrying out insulation property respectively along face and shake survey of the insulation clothing in the described safety protective tools, insulated target, insulation resistance is qualified greater than 700 megaohms, otherwise is changed; The operation electrician puts on insulation clothing, insulation boots, insulating gloves, insulation safety cap respectively on described platform operation electrician, the bar, and described insulation clothing, insulation boots, insulating gloves, insulation safety cap all satisfy the requirement of 35KV circuit homework;
4.3, described work director checks the circuit situation, after reclosing is stopped using in the application of power scheduling department, and after obtaining confirming, order begins to step on bar work;
4.4, described platform operation electrician carries insulation and transmits rope and climb up electric pole to the correct position that is not less than 1m from the electrified body safe distance, fastens seat belts, and hangs up properly the insulation coaster;
4.5, described Ground Operation electrician cooperates described platform operation electrician that insulated platform is fixed on the position of being convenient to described platform operation electrician operation, described platform operation electrician is transferred on the insulated platform;
4.6, described Ground Operation electrician utilizes insulation to transmit rope high voltage electroscope, cross-arm mask, insulated target, insulated target folder, lead mask are passed to described platform operation electrician one by one;
4.7, described platform operation electrician is according to first electrified body, the principle of back earth electrode, from the near to the remote, order from top to bottom adopts described lead mask, described insulated target, insulated target folder, described cross-arm mask lead, insulator, cross-arm to be insulated cover respectively;
4.8, platform operation electrician open desire operation one mutually insulation cover, the operation electrician locks the limit drainage thread with the insulation locking bar on the bar, platform operation electrician removes the wiring or the parallel groove clamp of drainage thread and main line disconnecting place, the operation electrician uses the insulation locking bar that drainage thread and main line are broken away from the bar, and cooperate platform operation electrician will remove drainage thread to return and be bind on the dismounting phase circuit main line, and cover;
4.9, operation electrician and platform operation electrician work in coordination insulated platform are transferred to another side fit job position on the bar, platform operation electrician is transferred on the insulated platform, 4.8 described methods are carried out the cutting off drainage wire operation to this phase drainage thread set by step;
4.10, the operation electrician cooperates platform operation electrician as stated above other phase conductor to be carried out operation on the bar,
4.11, platform operation electrician by with the described orderly release mask and insulated target that covers reversed in order of step 4.7 after, be transferred on the bar.
4.12, the operating personnel works in coordination and removes insulated platform and pass ground back, and successively turn back to ground.
4.13, work is after the director inspects for acceptance comprehensively, reports to power scheduling department, work finishes, and recovers this circuit reclosing.
5, safety notice
Before the operation, the work director tackles site work environment investigation, and the person in charge of the technology aspect tells somebody what one's real intentions are according to field condition establishment " standardized work guiding book " and to the operating personnel.
In the operation process, the work director should confirm each operating procedure according to the requirement of " standardized work guiding book ", and unsafe operation behavior is in time prevented.
Forbid the on-load cutting off drainage wire.
During operation, the operating personnel is to the clearance distance of adjacent electrified body, and effective insulated lengths of power tool should satisfy the requirement of " electrical safe working order ", " distribution line live working technology guide rule ".
All electrified bodies, the earthing component in the zone that the operating personnel should may touch human body by insulating bar insulate and cover.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (1)
1. the operational method of a 35kV distribution line live working cutting off drainage wire is characterized in that, by the work director, platform operation electrician, operation electrician on the bar, Ground Operation electrician four class operating personnel coordinating operations, adopt intermediate point position method operation, may further comprise the steps:
Step 1, team enter the job site, and described work director reads out work ticket, the task that hands over work to one's successor, explanation safety notice and clarification in certain roles;
Do step 2, described operating personnel check whether the outward appearance of operating apparatus, safety protective tools excellent? if have breakage, then changed; Adopt megohmmeter to the carrying out insulation property respectively along face and shake survey of the insulation clothing in the described safety protective tools, insulated target, insulation resistance is qualified greater than 700 megaohms, otherwise is changed; The operation electrician puts on insulation clothing, insulation boots, insulating gloves, insulation safety cap respectively on described platform operation electrician, the bar, and described insulation clothing, insulation boots, insulating gloves, insulation safety cap all satisfy the requirement of 35KV circuit homework;
Step 3, described work director check the circuit situation, and after reclosing is stopped using in the application of power scheduling department, and after obtaining confirming, order begins to step on bar work;
Step 4, described platform operation electrician carry insulation transmission rope and climb up electric pole to the suitable operating position that is not less than 1m from the electrified body safe distance, fasten seat belts, and hang up properly the insulation coaster;
Step 5, described Ground Operation electrician cooperate described platform operation electrician that insulated platform is fixed on the position of being convenient to described platform operation electrician operation, and described platform operation electrician is transferred on the described insulated platform;
Step 6, described Ground Operation electrician utilize insulation to transmit rope high voltage electroscope, cross-arm mask, insulated target, insulated target folder, lead mask are passed to described platform operation electrician one by one;
Step 7, described platform operation electrician are according to first electrified body, the principle of back earth electrode, from the near to the remote, order from top to bottom adopts described lead mask, described insulated target, insulated target folder, described cross-arm mask lead, insulator, cross-arm to be insulated cover respectively;
Step 8, described platform operation electrician open desire operation one mutually insulation cover, the operation electrician locks the limit drainage thread with the insulation locking bar on the described bar, described platform operation electrician removes drainage thread and this lap joint of main line mutually, the operation electrician uses the insulation locking bar with described drainage thread and this main line disengaging mutually on the described bar, and cooperate described platform operation electrician will take described drainage thread apart to return on the lead line that is bind to this drainage thread, recover immediately then the insulation of this phase is covered;
Operation electrician and described platform operation electrician work in coordination insulated platform are transferred to certain fit job position on one side on step 9, the described bar, and described platform operation electrician is transferred on the insulated platform, and 8 described methods are carried out the cutting off drainage wire operation set by step;
Step 10, repeating step 9 carry out the cutting off drainage wire operation to all the other limit phase conductors;
Step 11, described platform operation electrician are covered by the orderly release insulation of covering reversed in order with step 7 and to be comprised and are transferred to mask and insulated target on the electric pole then under operation electrician on the described bar cooperates;
Step 12, described operating personnel work in coordination and remove described insulated platform and pass ground back, and the operation electrician turns back to ground respectively on described then platform operation electrician, the bar;
After step 13, described work director inspect for acceptance comprehensively, report to power scheduling department, work finishes, and recovers this circuit reclosing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910304372A CN101640392A (en) | 2009-07-15 | 2009-07-15 | Live-wire operation method for cutting off drainage wire for 35kV distribution circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910304372A CN101640392A (en) | 2009-07-15 | 2009-07-15 | Live-wire operation method for cutting off drainage wire for 35kV distribution circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101640392A true CN101640392A (en) | 2010-02-03 |
Family
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Family Applications (1)
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|---|---|---|---|
| CN200910304372A Pending CN101640392A (en) | 2009-07-15 | 2009-07-15 | Live-wire operation method for cutting off drainage wire for 35kV distribution circuit |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842867A (en) * | 2012-08-31 | 2012-12-26 | 辽宁省电力有限公司鞍山供电公司 | Method for electrically disconnecting or connecting disconnector with drainage wire between buses |
| CN103746314A (en) * | 2013-12-30 | 2014-04-23 | 江苏省电力公司常州供电公司 | Quick hot-line by-pass jumper removing operation method for 10kV insulated power distribution line |
| CN104037648A (en) * | 2014-05-14 | 2014-09-10 | 国家电网公司 | Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire |
| CN105162005A (en) * | 2015-06-30 | 2015-12-16 | 国网浙江省电力公司金华供电公司 | Safety method for reaching equipotential of +/-800 kilovolt converter station in live-line manner |
| CN105449392A (en) * | 2015-10-23 | 2016-03-30 | 云南电网有限责任公司临沧供电局 | Live-line overlap joint and drainage wire dismounting work apparatus for 10-kV line and method thereof |
| CN104143786B (en) * | 2014-07-18 | 2016-08-24 | 国家电网公司 | 10kV multiplex drainage thread insulation retainer and use the operational method of this device |
| KR101788658B1 (en) * | 2013-06-08 | 2017-10-20 | 체지앙 용닝 파마슈티컬 컴퍼니 리미티드 | New hydroxysafflor yellow a salt for pharmaceutical formulation |
| KR101801700B1 (en) * | 2013-02-07 | 2017-11-27 | 체지앙 용닝 파마슈티컬 컴퍼니 리미티드 | Hydroxysafflor yellow a sodium and preparation as well as application thereof |
| CN110752549A (en) * | 2019-12-04 | 2020-02-04 | 云南电网有限责任公司带电作业分公司 | Operation method for breaking or connecting 10kV strain rod drainage wire of insulating short rod |
| CN110797795A (en) * | 2019-12-04 | 2020-02-14 | 云南电网有限责任公司带电作业分公司 | Operation method for breaking or connecting 10kV insulated wire line branch line drainage wire by insulating short rod |
-
2009
- 2009-07-15 CN CN200910304372A patent/CN101640392A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842867A (en) * | 2012-08-31 | 2012-12-26 | 辽宁省电力有限公司鞍山供电公司 | Method for electrically disconnecting or connecting disconnector with drainage wire between buses |
| KR101801700B1 (en) * | 2013-02-07 | 2017-11-27 | 체지앙 용닝 파마슈티컬 컴퍼니 리미티드 | Hydroxysafflor yellow a sodium and preparation as well as application thereof |
| KR101788658B1 (en) * | 2013-06-08 | 2017-10-20 | 체지앙 용닝 파마슈티컬 컴퍼니 리미티드 | New hydroxysafflor yellow a salt for pharmaceutical formulation |
| CN103746314A (en) * | 2013-12-30 | 2014-04-23 | 江苏省电力公司常州供电公司 | Quick hot-line by-pass jumper removing operation method for 10kV insulated power distribution line |
| CN104037648A (en) * | 2014-05-14 | 2014-09-10 | 国家电网公司 | Operating method of 35kV-overhead-line insulating-glove-method electrified disconnection and connection of zero-load-line lead wire |
| CN104143786B (en) * | 2014-07-18 | 2016-08-24 | 国家电网公司 | 10kV multiplex drainage thread insulation retainer and use the operational method of this device |
| CN105162005A (en) * | 2015-06-30 | 2015-12-16 | 国网浙江省电力公司金华供电公司 | Safety method for reaching equipotential of +/-800 kilovolt converter station in live-line manner |
| CN105449392A (en) * | 2015-10-23 | 2016-03-30 | 云南电网有限责任公司临沧供电局 | Live-line overlap joint and drainage wire dismounting work apparatus for 10-kV line and method thereof |
| CN110752549A (en) * | 2019-12-04 | 2020-02-04 | 云南电网有限责任公司带电作业分公司 | Operation method for breaking or connecting 10kV strain rod drainage wire of insulating short rod |
| CN110797795A (en) * | 2019-12-04 | 2020-02-14 | 云南电网有限责任公司带电作业分公司 | Operation method for breaking or connecting 10kV insulated wire line branch line drainage wire by insulating short rod |
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Open date: 20100203 |