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Me ke Electrical Insulator Testing?

Encyclopedia
Encyclopedia
فیلڈ: Dakilin ƙasashen ilimi
0
China


Wannan shine Maida na Iya Daukar Insulatot?


Takardar Insulatot


Insulatot yana nufin wurare da ya kama da tushen karamin jirgin lalace, wanda ke sa ka hankalin jirgin lalace, kuma yana ba da alaamomi da inganci a cikin takale mai karfi.

 


Dalilai na Kwalba na Insulatot


Kwalba, abubuwa masu gaba, porosite, glazing mai muhimmanci, flashover, da stress mai karfi suna cewa su ne abubuwan da ke daidaito da kwalba na insulatot.

 


Daukar Insulatot


Daukar Flashover na Insulatot

 

Daukar Power Frequency Dry Flashover na Insulatot


  • A farkon da za a dauka insulatot, za a fadada shi a cikin hanyar da zaka iya amfani da shi a cikin tushen.



  • Sannan za a haɗa kan terminali na voltage mai variable power frequency zuwa duka electrode na insulatot.



  • Za a haɗa kan voltage mai power frequency kuma za a haɗa shi har zuwa ranar da aka bayyana. Wannan ranar da aka bayyana yana cikin mafi yawan voltage mai flash over.



  • Voltage yana fara da wata minta, sannan za a duba cewa babu flash-over ko puncher.



  • Insulatot yana bukata da kyau da yake da kyau da ya fara da voltage mai minimum da aka bayyana game da wata minta baya flash over.

 


Daukar Power Frequency Wet Flashover Test ko Rain Test na Insulatot


  • A wannan daukan da kuma, za a fadada insulatot a cikin hanyar da zaka iya amfani da shi a cikin tushen.



  • Sannan za a haɗa kan terminali na voltage mai variable power frequency zuwa duka electrode na insulatot.



  • Sannan za a faɗinsa insulatot da abinci a ƙarfafa 45o hakan da abinci ake yi a cikin hanyar da ba ake magance abinci ɗaya a minuta. Zaki a kan abinci da ake amfani da shi yana da tsari a kan 9 kΩ da 10 11 kΩ per cm3 a cikin ƙarin sama da ma'aiko. Hakan da ake yi a cikin hanyar da ake fitowa abinci.



  • Za a haɗa kan voltage mai power frequency kuma za a haɗa shi har zuwa ranar da aka bayyana.



  • Voltage yana fara da wata minta ko 30 detaci, sannan za a duba cewa babu flash-over ko puncher. Insulatot yana bukata da kyau da yake da kyau da ya fara da voltage mai minimum da aka bayyana game da wata minta baya flash over a cikin hanyar da ake fitowa abinci.

 


Daukar Power Frequency Flash over Voltage na Insulatot


  • Insulatot yana da cikin hanyar da aka fadada a cikin daukan da kuma.



  • A wannan daukan, za a haɗa kan voltage har zuwa ranar da aka bayyana saboda ake haɗa shi a cikin hanyar da aka fadada a cikin daukan da kuma.



  • Amma a wannan lokacin, za a rubuta ranar da ake haɗa kan voltage idan air din ya kasa.

 


Daukar Impulse Frequency Flash over Voltage na Insulatot


Insulatot mai sarrafa da ake amfani a kan ƙungiyoyi yana bukata da kyau da yake da kyau da ya fara da high voltage surges wanda ake haɗa kan da lightning. Saboda haka, yana bukata da kyau da ake dauka shi a cikin high voltage surges.


 

  • Insulatot yana da cikin hanyar da aka fadada a cikin daukan da kuma.



  • Sannan za a haɗa kan impulse voltage generator mai very high Hz zuwa insulatot.



  • Voltage yana haɗa kan insulatot, sannan za a rubuta spark over voltage.



  • Nisba ta ranar da aka rubuta zuwa ranar da aka rubuta a cikin daukar power frequency flash over voltage yana nufin impulse ratio na insulatot.

 


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Nisban yana da kyau da yake da 1.4 don pin type insulatot da 1.3 don suspension type insulators.


Daukar Performance


  • Daukar Temperature Cycle na Insulatot



  • A farkon da za a dauka insulatot, za a fadada shi a cikin ruwa da take da 70oC da wata minta.



  • Sannan za a fadada insulatot a cikin ruwa da take da 7oC da wata minta.



  • Aiki yana fara da uku.



  • A cikin lokacin da an samu uku temperature cycles, za a ji insulatot kuma za a duba cewa glazing ya fara da kyau.



  • A cikin lokacin da an samu aiki, babu laifi ko hada a kan glaze na insulatot.


Daukar Puncture Voltage na Insulatot


  • A farkon da za a dauka insulatot, za a fadada shi a cikin insulating oil.



  • Sannan za a haɗa kan voltage mai 1.3 times of flash over voltage zuwa insulatot.


Daukar Porosity na Insulatot


  • A farkon da za a dauka insulatot, za a kawo shi zuwa pieces.



  • Sannan za a fadada pieces na insulatot a cikin 0.5 % alcohol solution of fuchsine dye da pressure mai 140.7 kg ⁄ cm2 da wata rana.



  • Sannan za a fitowa samples kuma za a duba cewa ba a samu laifi ba.


Daukar Mechanical Strength na Insulatot


  • A farkon da za a dauka insulatot, za a haɗa kan 2½ times the maximum working strength zuwa insulatot da wata minta.



  • Insulatot yana bukata da kyau da yake da kyau da ya fara da mechanical stress da wata minta baya laifi.


Daukar Routine


Har insulatot yana bukata da kyau da ake dauka shi a cikin daukar routine da kuma ake amfani da shi a kan yanayi.


Daukar Proof Load na Insulatot


A cikin daukar proof load na insulatot, za a haɗa kan load mai 20% in excess of specified maximum working load zuwa har insulatot da wata minta.


Daukar Corrosion na Insulatot


  • A cikin daukar corrosion, za a fadada insulatot da galvanized ko steel fittings a cikin copper sulfate solution da wata minta.



  • Sannan za a fitowa insulatot kuma za a ciwo shi, za a so shi.



  • Sannan za a fadada insulatot a cikin copper sulfate solution da wata minta.


  • 4. Aiki yana fara da uku.

 

Ba da kyau kuma kara mai rubutu!
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