Ungakuvimbela kanjani ukushaywa kombani kwezintambo zikagesi ezinama-voltage aphezulu?

Ungakuvimbela kanjani ukushaywa kombani kwezintambo zikagesi ezinama-voltage aphezulu?

Ngokuvamile, wonke ulayini we-UHV uvikelwa intambo yaphansi, noma intambo yaphansi kanye nentambo yokubona ye-OPGW, enemiphumela ethile yokuvikela umbani kwemigqa yokudlulisa ye-UHV.Izinyathelo ezithile zokuvikela umbani zimi kanje:

I-GDCR2000G Earth Resistance Tester

 

1. Nciphisa inani lokumelana nesisekelo.Ukuthi ukumelana nokubekwa phansi kuhle noma cha kuzothinta ngqo izinga lokumelana nombani lomugqa oshaya izithombo ngokuqondile.Qinisekisa ukuxhumana okuthembekile phakathi kombhoshongo kanye ne-conductor yaphansi.Ekunakekeleni kwansuku zonke, khulisa i-patrol futhi ulandele ngokuqinile isikhathi sangaphambi kokuhlolwa komugqa ukuze ulinganise ukumelana nomhlabathi.Kuyadingeka futhi ezindaweni ezikhethekile.Nciphisa isikhathi sangaphambi kokuhlolwa.Ezintanjeni zokudluliswa kwamandla kagesi, ezinye izigxobo zisesiqongweni kanye nonqenqema lwentaba.Lezi zigxobo zilingana nezigxobo eziphakeme futhi kufanele zithathwe njengemibhoshongo ephakeme kakhulu.Ngokuvamile ziba amaphuzu asengozini yokuwa kwengcebo, futhi kufanele zigxile ekwehliseni ukumelana nesisekelo.Ngakho-ke, kunconywa ukusebenzisa i-HV HIPOT GDCR2000G Earth Resistance Tester ukukala inani lokumelana nomhlabathi lombhoshongo njalo.Ifanele imikhondo ephansi yezakhiwo ezihlukahlukene (insimbi eyindilinga, insimbi eyisicaba kanye nensimbi ye-engeli).I-Clamp-on ground resistance tester isetshenziswa kabanzi esilinganisweni sokumelana nomhlabathi samandla kagesi, ezokuxhumana, i-meteorology, indawo kawoyela, ezokwakha kanye nemishini kagesi yezimboni.

2. Misa intambo yaphansi yokuhlanganisa.Misa umugqa wokuhlanganisa ngaphansi (noma eduze) kocingo, ongadlala indima yokushunqisa nokuhlanganisa lapho umbhoshongo ushaywa umbani, bese i-voltage ethwala i-tower insulator izothuthukisa izinga lokumelana nombani lomugqa.

3. Kungcono ukwandisa inombolo noma ubude be-insulators ukwandisa amandla omthelela we-insulators ngenkathi uqinisekisa ukuphambuka komoya kwentambo ye-insulator.

4. Faka induku yombani elawulekayo phezulu kombhoshongo wentaba noma inhloko yombhoshongo ezindaweni lapho umbani ushaya kaningi.

5. Ukuze uvimbele ukushiswa kwe-arc yefrikhwensi yamandla kanye nemali eholayo ebangelwa ukushaywa kombani, ukuvikela okudluliswayo okusheshayo kufanele kusetshenziswe ngangokunokwenzeka ukuze kufinyezwe isikhathi sohambo.Iningi lokushaya kombani liyizibani zesigaba esisodwa, ngakho-ke ukuvala kabusha okuzenzakalelayo kwesigaba esisodwa kufanele kusetshenziswe ngangokunokwenzeka.

6. Ulayini omusha wokudlulisa ushintsha ukwakheka kwekhanda lombhoshongo ngesikhathi sesiteji sokuklama umbhoshongo, ukuze kuncishiswe i-engeli yokuvikela yocingo oluphansi ku-conductor.Iwukusebenzisa i-engeli yokuvikela engemihle ezindaweni ezibalulekile zokuvikela umbani ukuze kwehliswe izinga lokuvikela umbani.

7. Uma ukhetha umzila wokusethwa kokuqala komugqa ongaphezulu, gwema izindawo zasemadolobheni ezijwayele ukuduma nombani.


Isikhathi sokuthumela: Dec-03-2021

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