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Farko Tsawon Kirki Tabbata

The Electricity Forum
The Electricity Forum
فیلڈ: Gwaji Da Kuli Electirici
0
Canada

Yadda karamin jiki (VD) yana faru idan karamin jiki a gaba na tsari na kabli mai karami ya fi daɗe da a farko. Duk tsawon karami ko kyau yana da zama da hanyar zaɓi, kuma tsaftacce ga wannan hanyar zaɓi yana haifar da karamin jiki. Idan takalma na kabli yana ci, kuma kamar haka hanyar zaɓi da hanyar zaɓi mai sauti suna ci. Saboda haka, VD yana cikin muhimmanci sosai da take da tsarin kabli mai gaba, misali a wurare da takalma ko kuma a wurare da wurin duka. Wannan hikima yana amfani da shi a lokacin da ake faɗa masu tsari a duk fadin karamin jiki, fadin karamin jiki da ke kan fadin karamin jiki. Wannan zai iya a faɗatar da aikin karamin jiki mai haifar da VD.

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Kablitoci da suka tsaftace mafi karami suna da hanyar zaɓi ko kuma hanyar zaɓi mai sauti wajen tsaftaccen karami. VD yana faɗatar da karamin jiki mai haifar da ake samu a cikin ko kuma a baya na tsari saboda abin da ake kira "hanyar zaɓi" na kabli a volts.

Zuwa VD mafi yawa a cikin tsari mai karfi yana iya haifar da al'adun karamin jiki zuwa karamin jiki mai haifar, karamin jiki mai haifar, kuma mafashin karamin jiki zuwa karamin jiki mai haifar. Wannan halin yana ba aiki da aiki mai haifar da karamin jiki mai haifar.

Me ya ba da shi?

Don koyar da VD a cikin tsari, yana da kyau a duba kyautar (karfin tsari) na musamman - wannan yana yi don koyar da hanyar zaɓi mai duniyar kabli. Kafin a duba kyautar na kabli mai duniya, kuma kyautar na kabli mai duniya yana ci, saboda haka yana da kyau a faɗatar da VD ta hanyar aiki da kyau kuma tare da cin kofin adalci. Amsa, kyautar na kabli mai duniya yana ci, kuma kyautar na kabli mai duniya yana ci, saboda haka yana da kyau a faɗatar da VD ta hanyar aiki da kyau kuma tare da cin kofin adalci.

 

Me ya aiki a faɗatar da VD?

VD yana nufin karamin jiki mai haifar da ake samu saboda tsaftaccen karami a cikin hanyar zaɓi. Idan hanyar zaɓi yana ci, kuma VD yana ci. Don sanar da VD, aiki da aikin volts mai faɗatar da shi a bayanin da ake buƙata VD. A cikin tsari mai DC da kuma tsari mai AC mai hanyar zaɓi, mutum da kullum da ake samu a cikin tsari mai hanyar zaɓi suna ci (Figure 1).

Har zuwa aikin da ke aiki da ita daidai don aiki da ma'adan. Idan babu karamin jiki da ke da ita, aiki ba za a aiki da ma'adan. Yana da kyau a tabbatar da karamin jiki da ke ke gano ba tare da tsari mai faɗatar da volts. Wannan zai iya zama matsala idan karamin jiki ba a sani. Idan anna ce, ya kamata a fara da yankin da ya fi girma. Amsa a faɗatar da volts mai ci, zai iya haifar da aikin volts. Ya kamata a fara da yankin da ya fi girma. A cikin lokaci, zai iya tambayi a faɗatar da volts daga wani wurin a cikin tsari zuwa ground ko wani wurin da ake amfani da shi a cikin tsari (Figure 8-15). Don haka, ya kamata a haɗa aikin volts mai faɗatar da volts zuwa ground ko wani wurin da ake amfani da shi a cikin tsari. Sannan, ya kamata a haɗa aikin volts mai faɗatar da volts zuwa wani wurin da ke neman a cikin tsari.

Don in faɗatar da VD daidai, yana da kyau a sanar da hanyar zaɓi na wani abu da ake amfani da shi. Amma, AS3000 ta bayyana hikima mai lafiya da ake amfani da shi.

Tabelo na biyu an kula ne daga AS3000 - wanda ta bayyana 'Am per %Vd' (amp metres per % voltage drop) don kowane abu. Don in faɗatar da VD a cikin tsari a nan, zabi karamin jiki (amps) kuma zuba takalma (metres); sannan koyar da wannan lambar da volts zuwa abubuwan da ake amfani da shi a tabelo.

Misali, tsari mai 30m da 6mm2 cable da 3 phase 32A zai iya haifar da 1.5% drop: 32A x 30m = 960Am / 615 = 1.5%.


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