CN108405421A - A kind of 500kV transmission lines of electricity suspension insulator insulation cleaning agent electrification cleaning method - Google Patents

A kind of 500kV transmission lines of electricity suspension insulator insulation cleaning agent electrification cleaning method Download PDF

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Publication number
CN108405421A
CN108405421A CN201810160200.1A CN201810160200A CN108405421A CN 108405421 A CN108405421 A CN 108405421A CN 201810160200 A CN201810160200 A CN 201810160200A CN 108405421 A CN108405421 A CN 108405421A
Authority
CN
China
Prior art keywords
cleaning
insulator
suspension insulator
cleaning agent
transmission lines
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201810160200.1A
Other languages
Chinese (zh)
Inventor
闻建中
王建国
刘卓明
殷江
刘永刚
苏师敏
李辰盟
刘天绍
朱跃胜
许巧云
何雄辉
曹金鑫
邹昕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University WHU
Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Wuhan University WHU
Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
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.)
Filing date
Publication date
Application filed by Wuhan University WHU, Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Wuhan University WHU
Priority to CN201810160200.1A priority Critical patent/CN108405421A/en
Publication of CN108405421A publication Critical patent/CN108405421A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/08Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/52Insulators or insulating bodies characterised by their form having cleaning devices

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Insulators (AREA)

Abstract

The present invention relates to ultra-high-tension power transmission line Anti-pollution Flashovers, cleaning method is charged more particularly to a kind of 500kV transmission lines of electricity suspension insulator insulation cleaning agent, including by 500kV transmission line insulator cleaning agents electrification cleaning device ground connection, pump pressure is set on jetting machine;Cleaning rod and jetting machine are connected, by cleaning rod reliable ground;Adjustment cleaning angle and cleaning distance, make jet expansion alignment be cleaned insulator;One is at the uniform velocity cleaned from 500kV transmission line of electricity suspension insulator high-pressure sides toward low-pressure end back and forth, when cleaning quick rotary-cleaning bar, make cleaning agent fluid column at left and right sides of the insulator surface between into line flyback;The surface-discharge situation of insulator chain is observed, if finding there are abnormal electric discharge phenomena, should stop cleaning immediately.The cleaning method can carry out 500kV transmission line of electricity suspension insulators insulation cleaning agent electrification cleaning, reduce line outage, it is ensured that the safety and stablization of power grid create good economic and social benefits.

Description

A kind of 500kV transmission lines of electricity suspension insulator insulation cleaning agent electrification cleaning method
Technical field
The invention belongs to ultra-high-tension power transmission line Anti-pollution Flashover field more particularly to a kind of 500kV transmission lines of electricity pendency are exhausted Cleaning method is charged in edge substring insulation cleaning agent.
Background technology
Power transmission and transformation equipment outer insulation pollution flashover accident caused by atmosphere pollution causes serious harm, pollution flashover thing to electric system Therefore the democratic meeting of resident is had a huge impact, huge loss will also result in factory, seriously affect the peace of electric system Full reliability service.Often when atmospheric humidity is higher, insulator contamination is wet for the generation of pollution flashover accident, and surface conductance is acute Increase, the flashover voltage of the insulator is made to substantially reduce.The generation of pollution flashover accident in order to prevent, the electrification of the efficient insulator of research safety Cleaning method is particularly important.
Insulation cleaning agent electrification cleaning then provides a kind of extraordinary cleaning thinking, using with high volume resistivity, The insulation cleaning agent electrification cleaning electric transmission line isolator of high-breakdown-voltage, security performance is high, and cleaning performance is good, and dosage saves less It saves time.Although insulation cleaning agent electrification cleaning has the above advantage, at present domestic grinding for insulation cleaning agent electrification cleaning Study carefully and not perfect, the especially application study of insulation cleaning agent in the power system lies substantially in blank, thus clear to insulating Lotion live cleaning is applied in transmission line of electricity carries out further investigation with important academic significance and engineering application value.
Suspension insulator refers to hanging the insulator chain of a conducting wire or split conductor with whole gold utensils and attachment. It is domestic at present to charge cleaning method for 500kV transmission line of electricity suspension insulator insulation cleaning agent not yet.
Invention content
The object of the present invention is to provide one kind to insulate to most of 500kV transmission lines of electricity suspension insulator Cleaning agent electrification cleaning, reduces line outage, prevents pollution flashover, it is ensured that the cleaning method of the safety and stablization of power grid.
To achieve the above object, the technical solution adopted by the present invention is:A kind of 500kV transmission lines of electricity suspension insulator is exhausted Edge cleaning agent charges cleaning method, includes the following steps:
500kV transmission line insulator cleaning agents electrification cleaning device is grounded by step 1, and pump is set on jetting machine Pressure;
Step 2, connection cleaning rod and jetting machine, and will clean rod grounded;
Step 3, adjustment cleaning angle and cleaning distance, the insulator for keeping jet expansion alignment cleaned;
Step 4 at the uniform velocity cleans one back and forth from 500kV transmission line of electricity suspension insulator high-pressure sides toward low-pressure end;
Quick rotary-cleaning bar when step 5, cleaning, make cleaning agent fluid column at left and right sides of the insulator surface between into line flyback to reach To cleaning performance;
Step 6, the surface-discharge situation for observing insulator chain, if finding there are abnormal electric discharge phenomena, it should stop cleaning immediately.
In above-mentioned 500kV transmission line of electricity suspension insulator insulation cleaning agent electrification cleaning method, suspension insulator String includes single string, doubly-linked string and V strings;Unilateral cleaning is first carried out for doubly-linked string and V insulator strings, and then the other side is carried out again Cleaning.
It is high described in step 1 in above-mentioned 500kV transmission line of electricity suspension insulator insulation cleaning agent electrification cleaning method Setting pump pressure on cleaning machine is pressed to be not less than 4Mpa.
It is clear described in step 3 in above-mentioned 500kV transmission line of electricity suspension insulator insulation cleaning agent electrification cleaning method It is 20 ° to 30 ° to wash angle, and cleaning distance is within 20-30 cm.
In above-mentioned 500kV transmission line of electricity suspension insulator insulation cleaning agent electrification cleaning method, monolithic insulator Washing time is 6s.
In above-mentioned 500kV transmission line of electricity suspension insulator insulation cleaning agent electrification cleaning method, cleaning rod is most Small effective insulated lengths are 4m, ground wire grounded being tied up at nozzle 4m.
The beneficial effects of the invention are as follows:The present invention provides a kind of without the insulation cleaning agent band that cleans and can carry out that has a power failure Electric cleaning method, using flusher, can pass through efficient, safety in the case of 500kV transmission lines of electricity normal charging operation Backwashing manner, the filth of insulator surface is rinsed, 500kV transmission line of electricity suspension insulators can be carried out exhausted Edge cleaning agent live-wire cleaning operation, reduces line outage, it is therefore prevented that pollution flashover occurs, it is ensured that the safety and stablization of power grid, wound Good economic and social benefits are made.
Description of the drawings
Fig. 1 is that cleaning side is charged in the 500kV transmission line of electricity suspension insulator insulation cleaning agent of one embodiment of the invention The flow chart of method;
Fig. 2 is one embodiment of the invention 500kV transmission line of electricity suspension insulator insulation cleaning agent electrification cleaning schematic diagram;Its In, 1,2,3,4 indicate the cleaning direction of insulator chain.
Specific implementation mode
Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
The present embodiment realizes by the following method, a kind of 500kV transmission lines of electricity suspension insulator insulation cleaning Cleaning method is charged in agent, includes the following steps:
Step a:500kV transmission line insulator cleaning agents electrification cleaning device is grounded, pump is set on jetting machine Pressure.
Step b:Cleaning rod and jetting machine are connected, cleaning rod is subjected to reliable ground.
Step c:Adjustment cleaning angle and cleaning distance, the insulator for keeping jet expansion alignment cleaned.
Step d:It at the uniform velocity cleans from 500kV transmission line of electricity suspension insulator high-pressure sides toward low-pressure end, is most pushed up when cleaning to It is reversely at the uniform velocity cleaned to lower section first insulator again when holding insulator.
Step e:When cleaning should quick rotary-cleaning bar, make cleaning agent fluid column at left and right sides of the insulator surface between carry out Flyback is to reach cleaning performance.
Step f:The surface-discharge situation of insulator chain is observed, if finding there are abnormal electric discharge phenomena, it should stop immediately Cleaning.
Also, suspension insulator includes single string, doubly-linked string and V strings, and doubly-linked string and V insulator strings first carry out unilateral clear It washes, then the other side is cleaned again.
Also, setting pump pressure is not less than 4Mpa on jetting machine.
Also, it is 20 ° to 30 ° to clean angle, and cleaning distance should control in 20-30 cm.
Also, monolithic insulator washing time is 6s.
When it is implemented, as shown in Figure 1, being the 500kV transmission line of electricity suspension insulator insulation cleanings of one embodiment The flow chart of cleaning method is charged in agent, includes the following steps:
Step:500kV transmission line insulator cleaning agents electrification cleaning device is grounded, is set on jetting machine Pump pressure.
Wherein pump pressure should be not less than 4Mpa.
Step:Cleaning rod and jetting machine are connected, cleaning rod is subjected to reliable ground.
The minimum of cleaning rod effectively insulated lengths are 4m under 500kV, ground wire grounded being tied up at nozzle 4m, flushed It should be noted holding safe distance in journey, guarantee personal safety.
Step:Adjustment cleaning angle and cleaning distance, the insulator for keeping jet expansion alignment cleaned.
Wherein cleaning angle is 20 ° to 30 °, and cleaning distance should control in 20-30 cm.
Step:It at the uniform velocity cleans from 500kV transmission line of electricity suspension insulator high-pressure sides toward low-pressure end, is most pushed up when cleaning to It is reversely at the uniform velocity cleaned to lower section first insulator again when holding insulator.
Wherein suspension insulator includes single string, doubly-linked string and V strings, and doubly-linked string and V insulator strings first carry out unilateral cleaning, Then the other side is cleaned again.Monolithic insulator washing time is 6s.
Step:When cleaning should quick rotary-cleaning bar, make cleaning agent fluid column at left and right sides of the insulator surface between into Line flyback is to reach cleaning performance.
Step:The surface-discharge situation of insulator chain is observed, if finding there are abnormal electric discharge phenomena, it should stop immediately Cleaning.
The flushing flow of the present embodiment, it is ensured that 500kV transmission line of electricity suspension insulator insulation cleaning agent electrification is clear Job safety during washing does not stay filthy dead angle, and leakage current amplitude is small, and the probability that filthy flushing flashover occurs is low, rinses The insulation performance of insulator improves afterwards, and flush efficiency is high.
Cleaning method is charged in the 500kV transmission line of electricity suspension insulator insulation cleaning agent of the present embodiment, provides one kind Without having a power failure, cleaning method is charged in the insulation cleaning agent that cleans and can carry out, in the feelings of the normal charging operation of 500kV transmission lines of electricity Under condition, the filth of insulator surface is rinsed by efficient, safe backwashing manner using flusher, it can be right Most of 500kV transmission line of electricity suspension insulators carry out insulation cleaning agent live-wire cleaning operation, reduce line outage, prevent Pollution flashover generation is stopped, it is ensured that the safety and stablization of power grid create good economic and social benefits.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
Although describing the specific implementation mode of the present invention above in association with attached drawing, those of ordinary skill in the art should Understand, these are merely examples, and various deformation or modification can be made to these embodiments, without departing from the original of the present invention Reason and essence.The scope of the present invention is only limited by the claims that follow.

Claims (6)

1. cleaning method is charged in a kind of 500kV transmission lines of electricity suspension insulator insulation cleaning agent, characterized in that including following step Suddenly:
500kV transmission line insulator cleaning agents electrification cleaning device is grounded by step 1, and pump is set on jetting machine Pressure;
Step 2, connection cleaning rod and jetting machine, and will clean rod grounded;
Step 3, adjustment cleaning angle and cleaning distance, the insulator for keeping jet expansion alignment cleaned;
Step 4 at the uniform velocity cleans one back and forth from 500kV transmission line of electricity suspension insulator high-pressure sides toward low-pressure end;
Quick rotary-cleaning bar when step 5, cleaning, make cleaning agent fluid column at left and right sides of the insulator surface between into line flyback to reach To cleaning performance;
Step 6, the surface-discharge situation for observing insulator chain, if finding there are abnormal electric discharge phenomena, it should stop cleaning immediately.
2. cleaning method, feature are charged in 500kV transmission lines of electricity suspension insulator insulation cleaning agent as described in claim 1 It is that suspension insulator includes single string, doubly-linked string and V strings;Unilateral cleaning is first carried out for doubly-linked string and V insulator strings, then The other side is cleaned again.
3. cleaning method, feature are charged in 500kV transmission lines of electricity suspension insulator insulation cleaning agent as described in claim 1 It is that setting pump pressure is not less than 4Mpa on jetting machine described in step 1.
4. cleaning method, feature are charged in 500kV transmission lines of electricity suspension insulator insulation cleaning agent as described in claim 1 It is that it is 20 ° to 30 ° that angle is cleaned described in step 3, cleaning distance is within 20-30cm.
5. cleaning method, feature are charged in 500kV transmission lines of electricity suspension insulator insulation cleaning agent as described in claim 1 It is that monolithic insulator washing time is 6s.
6. cleaning method, feature are charged in 500kV transmission lines of electricity suspension insulator insulation cleaning agent as described in claim 1 It is that the minimum effectively insulated lengths of cleaning rod are 4m, ground wire grounded being tied up at nozzle 4m.
CN201810160200.1A 2018-02-26 2018-02-26 A kind of 500kV transmission lines of electricity suspension insulator insulation cleaning agent electrification cleaning method Pending CN108405421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810160200.1A CN108405421A (en) 2018-02-26 2018-02-26 A kind of 500kV transmission lines of electricity suspension insulator insulation cleaning agent electrification cleaning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810160200.1A CN108405421A (en) 2018-02-26 2018-02-26 A kind of 500kV transmission lines of electricity suspension insulator insulation cleaning agent electrification cleaning method

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Publication Number Publication Date
CN108405421A true CN108405421A (en) 2018-08-17

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10296195A (en) * 1997-04-22 1998-11-10 Maruyama Mfg Co Ltd Washing method and device
CN102773226A (en) * 2012-07-27 2012-11-14 武汉大学 Method and device for flushing 500kV post insulator with charged water
CN103121020A (en) * 2013-03-07 2013-05-29 广东电网公司佛山供电局 220 KV and below 220 KV electric transmission line insulator electrification water washing method
CN104538132A (en) * 2015-01-22 2015-04-22 广东电网有限责任公司江门供电局 Insulating agent washing device for single pole arced cover of power transmission line insulator
CN204412671U (en) * 2015-01-22 2015-06-24 广东电网有限责任公司江门供电局 500kV insulator chain charged insulating agent cleaning device
CN204724506U (en) * 2015-04-28 2015-10-28 国家电网公司 Transformer station's low latitude insulator emergency flight control system of living water washing robot

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10296195A (en) * 1997-04-22 1998-11-10 Maruyama Mfg Co Ltd Washing method and device
CN102773226A (en) * 2012-07-27 2012-11-14 武汉大学 Method and device for flushing 500kV post insulator with charged water
CN103121020A (en) * 2013-03-07 2013-05-29 广东电网公司佛山供电局 220 KV and below 220 KV electric transmission line insulator electrification water washing method
CN104538132A (en) * 2015-01-22 2015-04-22 广东电网有限责任公司江门供电局 Insulating agent washing device for single pole arced cover of power transmission line insulator
CN204412671U (en) * 2015-01-22 2015-06-24 广东电网有限责任公司江门供电局 500kV insulator chain charged insulating agent cleaning device
CN204724506U (en) * 2015-04-28 2015-10-28 国家电网公司 Transformer station's low latitude insulator emergency flight control system of living water washing robot

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Application publication date: 20180817