Lambar Daquan na tafi masu mafi yawan karkashin sifa, da kuma tafukan da dama da ke cikin gaba. Har zuwa na tafukan ya kai kashi, da zan iya samun wani tafuka kowace 2-3 km, saboda haka ya kamata a yi amfani da abubuwan 10 kV waɗanda suke da suka taka siffo. Kukyawan kasa mai sauƙi suna amfani da biyu na lambar da suke da suka taka siffo: primary through line da comprehensive through line. Masu siffo na biyu suna ci gaba daga bus sections masu inganci da aka fitar da shi a kan gida-gida daban-daban. Ayyukan da ake amfani da ita don tattalin arziki, alamomin magana, na yanayi da sauran abubuwa masu lafiya masu sauƙi suna ci gaba daga primary through line, ko kuma comprehensive power through line idan an haifar da shi.
1. Hanyar Lambar Siffonsa
A cikin kukyawan kasa da ke faruwar da zaman, biyu na lambar 10 kV, automatic block signaling power lines da power through lines suna ci gaba daga faduwar (wadannan da suka hada da kungiyoyi suna ci gaba daga cable lines), kuma hanyoyin siffonsa suna ci gaba a kan baya na kukyawan kasa. A lokacin da ake amfani da shi, automatic block signaling lines suna amfani da LGJ-50mm² overhead lines, wadannan sun taka siffo don abubuwan da suka ci gaba a kan signaling, ayyukan da sauran abubuwa masu lafiya masu sauƙi. Through system suna amfani da LGJ-70mm² overhead lines, wadannan sun taka siffo don abubuwan da suka ci gaba a kan signaling, ayyukan da sauran abubuwa masu lafiya masu sauƙi, kuma a wajen taka siffo daidai don kukyawan kasa da sauran abubuwa. Amma, saboda faduwar su ne da take ci gaba, suna da kashi da karamin tsawon kapasiti da karamin tsawon single-phase grounding, idan an haifar da fault, za a iya kusa da arc automatically. Saboda haka, ungrounded neutral point mode suna da amfani a cikin takardun circuit.
2. Abubuwan Tsaro Don Automatic Reclosing Da Standby Power Auto-Input Functions A Cikin Gida-Gida Daban-Daban Don Kukyawan Sauƙi Da Kukyawan Faruwar Da Zaman
Saboda farkon hanyoyin da kuma hanyoyin rarrabe masu siffonsa bayan kukyawan sauƙi da kukyawan faruwar da zaman, abubuwan tsaro don switching on/off functions of line standby power auto-input da automatic reclosing a cikin gida-gida daban-daban suna da muhimmanci.
Yawan masu siffonsa a cikin kukyawan sauƙi suna ci gaba daga cable. Idan an haifar da fault, akwai muhimmanci a yi nasara don fault da za a iya kasance permanent. Idan an kafa standby power auto-input ko automatic reclosing a lokacin da an haifar da fault da za a iya kasance permanent, zai yi tasiri mai yawa ga circuit breakers da sauran abubuwa, ko kuma zai iya haifar da breakdown ga siffo, don haka zai iya kasance wani babban fault. Saboda haka, standby power auto-input ko automatic reclosing ba zai iya da amfani ba don kukyawan sauƙi. Idan an haifar da fault, saboda dual-circuit power supply, ya kamata a yi nuna-nuna ga abubuwa idan an samun wani masu siffo, kuma zai iya koma siffo idan an samun dalilin fault don tabbatar da siffo daidai ga abubuwa.
Yawan masu siffonsa a cikin kukyawan faruwar da zaman suna ci gaba daga faduwar, suna ci gaba a kan baya na kukyawan kasa. Saboda kungiyoyi da kuma yadda an haifar da harshe mai yawa, kisa, kafin kasa, kabu, da kuma cutar, faults da za a iya kasance instantaneous. Idan an haifar da instantaneous faults, standby power auto-input ko automatic reclosing functions suna da amfani don in ba da shiga da instantaneous faults da kuma in tabbatar da siffo daidai ga kukyawan kasa.
3. Tausayi
Idan an samu lokacin da railway system ta ci gaba, 10 kV power through da automatic block signaling lines na gida-gida daban-daban da suka ci gaba a kan railway power supply system suna ci gaba a kan sunan, circuit, da hanyoyin rarrabe, kuma hanyoyin amfani suna ci gaba da shi. Amma, wato da yadda suka ci gaba, ma'adanin da suka ci gaba shine in tabbatar da siffo daidai, mai kyau da kuma daidai ga railway power supply.
