A cikin na'urar saman hanyar uku, idan an yi kula da abincin saman hanyar uku da aka fadada a cikin tashar jiki (Y-type) inda kowace hanyar yana ci gaba masu yawan adadin amfani, yana da kyau a canza wani takamta mai kula (Neutral Conductor) a cikin kabul. Haka na nufin dalilai biyu da ke so in canza neutral conductor:
A cikin harkokin haɗi, saman hanyar uku da suka duka suka da adadin amfani sama ba ce ta fiye. Idan abinci a cikin saman hanyar uku ya ci gaba masu yawan adadin amfani a cikin hanyar baki, wannan ya nuna cewa an yi kula da abinci mai ba da adadin amfani sama, don haka neutral conductor ya shafi muhimmiyar rawa.
Amfani Mai Ba Da Adadin Sama: Idan hanyoyar uku ba su da adadin amfani sama, amfanin a cikin hanyar baki zai iya bambanta. Idan ba a bani neutral conductor, wannan bambanci zai iya buƙata zuwa amfanin da suke gurbin, kuma ya ba da damar amfani da za su iya haifar da amfani a cikin abinci.
Amfanin Da Suke Gurbin: Abinci mai ba da adadin amfani sama zai iya haifar da wani takamta a kan neutral point, kuma ya ba da damar amfanin da suke gurbin wanda za su iya haifar da karshen amfani a kan abinci ko kuma ya ba da damar lafiya.
Neutral conductor ya ba da hanyar da amfanin da suka bambanta suka zo zuwa masu gudummawa, kuma ya haifar da suka zo zuwa maimakon abinci tun daga neutral conductor, kuma ya tabbatar da tsari mai tsari a kan hanyoyar baki. Kafin bayanin:
Balancing Amfani: Neutral conductor ya haifar da amfanin da suka bambanta suka zo, kuma ya tabbatar da amfanin a cikin saman hanyar uku suka duka suka da adadin amfani sama, kuma ya haifar da tsari mai tsari a kan amfanin da suke gurbin.
Stability of Voltage: Tun daga bayan neutral conductor, tsari a kan hanyoyar baki zai iya zama mai tsari, kuma ya haifar da abinci a kan hanyar baki suka faɗa tsari mai daidai da za su iya amfani da damar.
Neutral conductor ba sai a yi hanyar da amfani suka zo kawai, amma ya ba da hanyar da safe ground function, wanda ya fiye a kan haifar da lafiya da damar amfani na system.
Ground Protection: A cikin tashar jiki, neutral point ana sanin a kan ground, kuma ya haifar da hanyar da system ya haifar da reference point mai daidai. Wannan ya haifar da cewa haka a lokacin da faults, system zai iya haifar da control.
Fault Protection: Idan fault ya faru (kamar short circuit), neutral conductor ya haifar da amfani suka zo zuwa maimakon abinci tsawo, kuma ya haifar da tsari mai tsari a kan impact da fault ya haifar da system, kuma ya haifar da protecting the equipment.
Babban neutral conductor ya haifar da lafiya na system, kuma ya haifar da tsari mai tsari a kan risk of electric shock.
Reducing Electric Shock Risk: Idan casing ko metal parts of an appliance ya faru zuwa power supply, neutral conductor ya haifar da hanyar da amfani suka zo zuwa hanyar da damar, kuma ya haifar da tsari mai tsari a kan risk of electric shock.
Leakage Protection: Tun daga bayan leakage protection devices (such as RCDs), neutral conductor ya haifar da hanyar da amfani suka zo zuwa hanyar da damar, kuma ya haifar da rapid disconnection of power when a leakage is detected, kuma ya haifar da personnel safety.
A cikin na'urar saman hanyar uku, idan an yi kula da abinci mai ba da adadin amfani sama, neutral conductor ya shafi muhimmiyar rawa a kan balancing currents and stabilizing voltages, kuma ya haifar da proper operation of the equipment. Duk da haka, neutral conductor ya ba da hanyar da safe ground function, kuma ya haifar da lafiya da damar amfani na system, kuma ya haifar da tsari mai tsari a kan risk of electric shock. Saboda haka, idan an yi kula da abinci a cikin saman hanyar uku da tashar jiki, neutral conductor ya fiye a cikin kabul don haifar da stability and safety of the system.