CN104201586B - Power transmission and transforming equipment composite outer insulation runnability quick recovery method under haze weather - Google Patents

Power transmission and transforming equipment composite outer insulation runnability quick recovery method under haze weather Download PDF

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Publication number
CN104201586B
CN104201586B CN201410424843.4A CN201410424843A CN104201586B CN 104201586 B CN104201586 B CN 104201586B CN 201410424843 A CN201410424843 A CN 201410424843A CN 104201586 B CN104201586 B CN 104201586B
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outer insulation
power transmission
composite outer
transforming equipment
hydrophobicity
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CN104201586A (en
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陈杰
刘洋
周志成
周立
颜彪
路永玲
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State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
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Abstract

The invention discloses a kind of method for the fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability under haze weather, described method comprises the following steps: (1) anticipation haze weather duration; (2) hydrophobicity, the pollution degree of power transmission and transforming equipment composite outer insulation is assessed; (3) discharge of plasma in low temperature is adopted to process power transmission and transforming equipment composite outer insulation; (4) judge that power transmission and transforming equipment composite outer insulation hydrophobicity promotes degree.The fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability of the present invention, accuracy of judgement, simple to operate, be applicable to promote the use of on a large scale.

Description

Power transmission and transforming equipment composite outer insulation runnability quick recovery method under haze weather
Technical field
The present invention relates to high voltage external insulation field, in particular for the method for the fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability under haze weather.
Background technology
Have for the main method slowing down power transmission and transforming equipment pollution flashover accident at present: at electroceramics or glass insulator surface-coated RTV antifouling flush paint and be aided with regular hand sweeping filthy, adopt silicon rubber compound insulator etc.Especially adopt silicon rubber compound insulator to become the important means of control insulation pollution flashover, apply very extensive in electric power system.Main cause is to have migration of hydrophobicity as the high-temperature silicon disulfide rubber of composite insulator cluster parachute material, and namely the hydrophobicity of material itself can move to pollution layer surface, makes pollution layer surface also have hydrophobicity.Therefore, composite insulator also has stronger hydrophobicity staining rear surface, and the dissolving ionization of pollution layer is less likely to occur, thus insulator can be made to tolerate pollution flashover voltage greatly improve.
But, under natural atmosphere condition, composite insulator is same with other types insulator subject Sulfur Dioxide In The Atmosphere, oxynitrides and graininess dust etc. the impact of atmospheric environment.In some environments (as haze), such as, under the atmospheric environment such as low temperature, high humility and comparatively serious filthy deposition conditions, the migration of hydrophobicity of silastic material can be under some influence, migration rate is caused to reduce the even long-time generation being all difficult to move to the situations such as pollution layer surface, thus reduce composite insulator tolerance pollution flashover voltage grade, have impact on the normal operation of electric power system.Particularly in recent years along with the concentrated appearance of national large area haze weather, power transmission and transformation equipment outer insulation pollution flashover accident happens occasionally.
Based on above reason, the present invention proposes a kind of method for the fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability under haze weather, is intended to improve composite outer insulation antifouling work ability under haze weather.
Summary of the invention
In order to overcome existing shortcoming, the object of the present invention is to provide a kind of accurate, reliable method for the fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability under haze weather.
For achieving the above object, the technical solution adopted in the present invention is: a kind of method for the fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability under haze weather, it is characterized in that, described determination methods comprises the following steps:
(1) whether the anticipation haze weather duration, more than 48 hours, if exceed, then enters step (2), otherwise disregards, be not namely suitable for the process of step (3);
(2) hydrophobicity, the pollution degree of power transmission and transforming equipment composite outer insulation is assessed; This appraisal procedure is: adopt water spray staging to test existing composite outer insulation hydrophobicity, adopts filthy sampling towel to carry out site pollution measurement;
(3) discharge of plasma in low temperature is adopted to process power transmission and transforming equipment composite outer insulation;
(4) judge that power transmission and transforming equipment composite outer insulation hydrophobicity promotes degree; If power transmission and transforming equipment composite outer insulation hydrophobicity is greater than original existing power transmission and transforming equipment composite outer insulation hydrophobicity, then composite outer insulation hydrophobicity runnability promotes complete; Otherwise, return step (3).
Preferably, in described step (1), the haze weather duration can make comprehensive anticipation in conjunction with meteorological department's weather forecast, the meteorological on-line monitoring system of Utilities Electric Co.; If the anticipation duration was more than 2 days, is applicable to described step (3) and processes.
Preferably, adopt water spray staging to test existing composite outer insulation hydrophobicity, adopt the special sampling towel of power transmission and transforming equipment to carry out site pollution measurement.In described step (2), described step (2) can be divided into as follows step by step:
(2.1) if hydrophobicity is HC3 ~ HC7 level, then step (2.2) can be carried out; Otherwise be unwell to step described in this patent (3) to process;
(2.2) if site pollution ash is close be greater than 0.1mg/cm 2, then step (3) can be carried out; Otherwise be unwell to step described in this patent (3) to process.
Preferably, in described step (3), the active material that discharge of plasma in low temperature produces is transported to compound inslation outer surface by blowning installation thus accelerates the migration of compound inslation macromolecule hydrophobic substance, thus fast quick-recovery compound inslation hydrophobicity performance.
Preferably, described power transmission and transforming equipment composite outer insulation can be composite bushing, composite insulator and the porcelain, the glass insulator that are coated with room temperature vulcanized silicone rubber; Described low temperature plasma can adopt jet plasma, radio frequency plasma, glow plasma form.
Preferably, plasma jet length is 0.5-5cm, and plasma is 2-20cm apart from composite outer insulation process spacing, and plasma treatment time is 3-30s.
Preferably, in described step (4), water spray staging test compound external insulation hydrophobicity after Low Temperature Plasma Treating is adopted to promote degree.
The fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability of the present invention, accuracy of judgement, simple to operate, be applicable to promote the use of on a large scale.
Accompanying drawing explanation
Fig. 1 is the method for the present invention for the fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability under haze weather
Embodiment
With specific embodiment, the present invention is described in detail for the method for the fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability under haze weather below.
See Fig. 1, the present invention is directed to the method for the fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability under haze weather, comprise the following steps:
(1) whether the anticipation haze weather duration, more than 48 hours, if exceed, then enters step (2), otherwise disregards, be not namely suitable for the process of step (3).
In this step, in conjunction with meteorological department's weather forecast, Utilities Electric Co.'s meteorological on-line monitoring system comprehensive anticipation haze weather duration, the present embodiment is by comprehensively carrying out an anticipation to certain haze weather in conjunction with meteorological department's weather forecast, the meteorological on-line monitoring system of Utilities Electric Co., and the anticipation haze weather duration will be 4 days.
(2) hydrophobicity, the pollution degree of power transmission and transforming equipment composite outer insulation is assessed; The present invention tests existing composite outer insulation hydrophobicity by water spray staging, and adopts filthy sampling towel to carry out site pollution measurement.Its concrete steps are as follows:
(2.1) adopt water spray staging to test existing composite outer insulation hydrophobicity, if the hydrophobicity composite outer insulation hydrophobicity surveyed is HC3 ~ HC7 level, then can carry out step (2.2); Otherwise disregard.
In this example, adopting water spray staging to test existing Hydrophobicity of Composite Insulator is HC4 level, wherein, water spray staging the earliest by Sweden transmit electricity research institute (STRI) propose, HC grade is adopted to characterize hydrophobicity state, wherein HC1 ~ HC3 is hydrophobicity state, and HC4 is intermediate state, and HC5 ~ HC7 is hydrophily.
(2.2) filthy sampling towel is adopted to carry out site pollution measurement; If the site pollution ash measured is close be greater than 0.1mg/cm 2, then step (3) can be carried out; Otherwise disregard.
The present embodiment, adopting power transmission and transforming equipment special sampling towel to record filthy ash close is 0.3mg/cm 2, therefore site pollution ash is close is greater than 0.1mg/cm 2, carry out step (3).
(3) discharge of plasma in low temperature is adopted to process power transmission and transforming equipment composite outer insulation; The active material that described discharge of plasma in low temperature produces (is a kind of mechanical type Small Flow Control device also known as bubbling device by existing blowning installation, usually be formed by combining by glass ball float flowmeter or metal pipe float flow meter, pressure-reducing valve, Pressure gauge, constant flow valve, pipeline, joint) be transported to compound inslation outer surface to accelerate the migration of compound inslation macromolecule hydrophobic substance, thus fast quick-recovery compound inslation hydrophobicity performance.
Power transmission and transforming equipment composite outer insulation in the present invention can be composite bushing, composite insulator and the porcelain, the glass insulator that are coated with room temperature vulcanized silicone rubber.Low temperature plasma can adopt jet plasma, radio frequency plasma or glow plasma form.
As preferably, described plasma jet length is 0.5-5cm, and plasma is 2-20cm apart from composite outer insulation process spacing, and plasma treatment time is 3-30s., within the scope of it, composite outer insulation hydrophobicity after Low Temperature Plasma Treating promotes degree the best.
In the present embodiment, discharge of plasma in low temperature parameter is: plasma jet length is 2cm, and plasma is 6cm apart from composite outer insulation process spacing, and plasma treatment time is 10s.
(4) judge that power transmission and transforming equipment composite outer insulation hydrophobicity promotes degree; The present invention adopts water spray staging test compound external insulation hydrophobicity after Low Temperature Plasma Treating to promote degree, if power transmission and transforming equipment composite outer insulation hydrophobicity is greater than original power transmission and transforming equipment composite outer insulation hydrophobicity, then composite outer insulation hydrophobicity runnability promotes complete; Otherwise, return step (3).
The present invention passes through above-described embodiment, after Low Temperature Plasma Treating, Hydrophobicity of Composite Insulator brings up to HC1 level, namely be greater than original existing power transmission and transforming equipment composite outer insulation hydrophobicity HC4 level, after said method process, Hydrophobicity of Composite Insulator runnability is significantly improved.
The fast quick-recovery of power transmission and transforming equipment composite outer insulation runnability of the present invention, accuracy of judgement, simple to operate, be applicable to promote the use of on a large scale.
Content described in this specification embodiment is only enumerating the way of realization of inventive concept; should not being regarded as of protection scope of the present invention is only limitted to the concrete form that embodiment is stated, protection scope of the present invention also and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.

Claims (8)

1. a power transmission and transforming equipment composite outer insulation runnability quick recovery method under haze weather, it is characterized in that, described method comprises the following steps:
(1) whether the anticipation haze weather duration, more than 48 hours, if exceed, then enters step (2), otherwise disregards;
(2) hydrophobicity, the pollution degree of power transmission and transforming equipment composite outer insulation is assessed; Adopt water spray staging to test existing composite outer insulation hydrophobicity, adopt filthy sampling towel to carry out site pollution measurement;
(3) discharge of plasma in low temperature is adopted to process power transmission and transforming equipment composite outer insulation;
(4) judge that power transmission and transforming equipment composite outer insulation hydrophobicity promotes degree; If power transmission and transforming equipment composite outer insulation hydrophobicity is greater than original existing power transmission and transforming equipment composite outer insulation hydrophobicity, then composite outer insulation hydrophobicity runnability promotes complete; Otherwise, return step (3).
2. power transmission and transforming equipment composite outer insulation runnability quick recovery method under haze weather according to claim 1, it is characterized in that: in described step (1), the haze weather duration can make comprehensive anticipation in conjunction with meteorological department's weather forecast, the meteorological on-line monitoring system of Utilities Electric Co..
3. power transmission and transforming equipment composite outer insulation runnability quick recovery method under haze weather according to claim 1 and 2, is characterized in that: described step (2) can be divided into as follows step by step:
(2.1) adopt water spray staging to test existing composite outer insulation hydrophobicity, if the hydrophobicity composite outer insulation hydrophobicity surveyed is HC3 ~ HC7 level, then can carry out step (2.2); Otherwise disregard;
(2.2) filthy sampling towel is adopted to carry out site pollution measurement; If the site pollution ash measured is close be greater than 0.1mg/cm 2, then step (3) can be carried out; Otherwise disregard.
4. power transmission and transforming equipment composite outer insulation runnability quick recovery method under haze weather according to claim 1, it is characterized in that: in described step (3), the active material that described discharge of plasma in low temperature produces is transported to by air pump the migration that compound inslation outer surface accelerates compound inslation macromolecule hydrophobic substance, thus fast quick-recovery compound inslation hydrophobicity performance.
5. power transmission and transforming equipment composite outer insulation runnability quick recovery method under haze weather according to claim 1, is characterized in that: described power transmission and transforming equipment composite outer insulation is composite bushing, composite insulator and porcelain, the glass insulator being coated with room temperature vulcanized silicone rubber.
6. power transmission and transforming equipment composite outer insulation runnability quick recovery method under haze weather according to claim 4, is characterized in that: described low temperature plasma adopts jet plasma, radio frequency plasma, glow plasma form.
7. power transmission and transforming equipment composite outer insulation runnability quick recovery method under the haze weather according to claim 4 or 6, it is characterized in that: described plasma jet length is 0.5-5cm, plasma is 2-20cm apart from composite outer insulation process spacing, and plasma treatment time is 3-30s.
8. power transmission and transforming equipment composite outer insulation runnability quick recovery method under the haze weather according to claim 4 or 6, it is characterized in that: in described step (4), adopt water spray staging test compound external insulation hydrophobicity after Low Temperature Plasma Treating to promote degree.
CN201410424843.4A 2014-08-26 2014-08-26 Power transmission and transforming equipment composite outer insulation runnability quick recovery method under haze weather Active CN104201586B (en)

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Publication number Priority date Publication date Assignee Title
CN110768144B (en) * 2019-09-27 2021-07-30 衢州光明电力投资集团有限公司 Method for rapidly recovering composite external insulation operation performance of power transmission and transformation equipment
CN112858851B (en) * 2021-01-12 2022-11-08 国网江苏省电力有限公司电力科学研究院 Composite insulator operation performance state evaluation method suitable for special industrial dust area

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JP2006203087A (en) * 2005-01-24 2006-08-03 Sumco Corp Micro roughness evaluating method of thin film soi wafer
CN101403676A (en) * 2008-10-28 2009-04-08 华北电力大学 Insulator hydrophobicity rank amalgamation judging method based on D-S evidence theory
CN102053046A (en) * 2010-11-02 2011-05-11 武汉大学 System and method for detecting hydrophilic angle on surface of composite insulator
CN102980838A (en) * 2012-12-19 2013-03-20 航天科工深圳(集团)有限公司 Method for detecting hydrophobicity of insulator
CN103278540A (en) * 2013-04-25 2013-09-04 南方电网科学研究院有限责任公司 Method for measuring equivalent salt deposit density of high-voltage insulator
CN103592580A (en) * 2013-10-18 2014-02-19 国网山东省电力公司日照供电公司 Insulator haze and pollution flashover online monitoring system and method
CN103954535A (en) * 2014-04-28 2014-07-30 国家电网公司 Method for monitoring hydrophobic property of organic external insulation material in online manner

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006203087A (en) * 2005-01-24 2006-08-03 Sumco Corp Micro roughness evaluating method of thin film soi wafer
CN101403676A (en) * 2008-10-28 2009-04-08 华北电力大学 Insulator hydrophobicity rank amalgamation judging method based on D-S evidence theory
CN102053046A (en) * 2010-11-02 2011-05-11 武汉大学 System and method for detecting hydrophilic angle on surface of composite insulator
CN102980838A (en) * 2012-12-19 2013-03-20 航天科工深圳(集团)有限公司 Method for detecting hydrophobicity of insulator
CN103278540A (en) * 2013-04-25 2013-09-04 南方电网科学研究院有限责任公司 Method for measuring equivalent salt deposit density of high-voltage insulator
CN103592580A (en) * 2013-10-18 2014-02-19 国网山东省电力公司日照供电公司 Insulator haze and pollution flashover online monitoring system and method
CN103954535A (en) * 2014-04-28 2014-07-30 国家电网公司 Method for monitoring hydrophobic property of organic external insulation material in online manner

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