Kashe na Kabelin Kirkiro

Akwai uku (3) na ƙasashe da suka samu ƙasashe na kabeli mai jirgin magana. Suna cewa:

1. Za a iya kasance gabaɗin magana a bayan duɗun mutanen magana,

2. Za a iya kasance ƙasashe na tsakiyar duniya, yani ƙasashe a bayan mutanen magana da tsakiyar duniya,

3. Za a iya kasance gabaɗin magana saboda gabaɗin mutanen magana.

Za su iya kasance mafi ɗaya daga cikin ƙasashe a baya.
Abubuwan da suka shafi ƙasashe 1st da 2nd shine zakaɓi kan kwalbar kwalba saboda ruwan, abinci ko wata sababba. Saboda ƙaramin kwalbar kwalba, ya kamata kwalba ko masarautar kayayyakin ya rage saboda hawa mai yawa, za a iya kasance kwalbar kwalba.

Duk da haka, saboda shekaru, zakaɓi kan kwalba za iya rage. A gabaɗin zamanin, tafkin kabeli shine shekara 40 zuwa 50. Kabelin PVC za iya rage saboda yin ba da ƙungiyar. Idan abubuwan da suke cikin boxin terminali sun rage, ƙasashe na kabeli za iya kasance. Idan ba a yi ci gaba ko kammala kabelin daidai, za a iya kasance ƙasashe na gabaɗin magana. Saboda gabaɗin tsari, za a iya kasance gabaɗin magana a matsayin joint. Duk da haka, idan ba a yi fita ƙungiyoyi daidai a cikin boxin terminali, ƙasashe na gabaɗin magana za iya kasance. Wannan duka, sababban da ke shafi ƙasashe na gabaɗin magana suna iya kasance ƙasashe na gabaɗin magana.

Lokaci na Bincike Ƙasashe a Cikin Kabeli

Idan akwai ƙasashe a cikin kabeli, ana iya bincika, cewa, wanda ƙasashe ta faru, saboda megger test. Idan an buƙatar, za a iya bincika resistance na ƙasashe ta musamman saboda multimeter. Bayan an bincika ƙasashe, yawancin yana tattauna duk boxin terminali. A ƙarin lokaci, za a iya cewa ƙasashe ta faru a cikin boxin terminali. Idan akwai boxin indoor da outdoor a cikin kabeli, muna tattauna boxin outdoor kafin tattauna boxin indoor. Idan ba a samu ƙasashe a cikin boxin terminali, muna iya samun wurin da kabelin ta faru. Idan akwai joint a cikin kabeli, muna tattauna shi kuma.

Idan resistance na ƙasashe ta fi ƙarin, a lokacin da ƙasashe ta faru, muna iya yanke kwalba "Fault Burning" don inganta resistance, kuma a nan muna iya yi Murray Loop Test. A gabaɗin zamanin, V.C. high voltage pressure testing set ana amfani da ita a lokacin da ake yanke kwalba. Idan akwai ƙasashe a mafi ɗaya core, core da take da ƙarin resistance muna yanke shi. Yanke kwalba tana shafi ƙasashe da yanayin kabeli. A gabaɗin zamanin, rate na resistance ta haɗa a baya 15 zuwa 20 minuts.

Idan akwai ƙasashe a cikin kabeli, muna iya bincika nau'in ƙasashe ta musamman saboda megger. Muna iya bincika earth resistance na har da kullum core. Idan akwai gabaɗin magana a bayan core da tsakiyar duniya, I.R. na core wanda ƙasashe ta faru za a nuna 'ZERO' ko ƙarin littafi a cikin meter na megger. Idan ba a samu continuity a bayan biyu endoin core, ƙasashe na gabaɗin magana ta faru a cikin core. Idan ba a samu continuity a cikin duk uku core, muna iya cewa duk uku core suka faru ƙasashe na gabaɗin magana.
Bayan an bincika ƙasashe, muna iya sarkar kabeli.

Lokacin Samun Ƙasashe na Kabeli

Akwai ƙarin halitta don samun wurin da ƙasashe na kabeli ta faru. Ana amfani da ƙarin halitta a ƙarin lokaci. Wadannan ƙarin halitta su ne:

1. Murray Loop Test

2. Voltage Drop Test.

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