Yanzu, mafi girman alama na tsarin tap changer (OLTC) na kasar China sun fada matsaloli mai yawa: an sami wuce OLTC na tsari ±800 kV UHV da kyau don gajimare masu hakkin kayan aiki mai zurfi ne. An sami wuce cewa shi ya taimaka da duk abubuwan da suka bincika, kuma muhimmin tsarin shi sun ci gaba da manyan duniya, wanda yana nuna hanyar da ya danganta da gyara da ita da cikin cin gwamnatin jirgin magungunan UHV converter transformer.
A nan, OLTC shine wata batun da ke kan tsarin UHV DC transmission, kuma ilimi da inganci da shi ya yi zai iya tabbatar da adadin da shi yake aiki a cikin tsari. Ilimin shi ya bangare da kyau saboda aiki da vacuum interrupter wanda ke a cikin OLTC. Vacuum interrupter yana da muhimmanci sosai saboda shi ke taimaka da shiga rayuwarsu da tsohon raya, kuma ya ba shi da karfin da za a yi aiki ta 360,000 wakar elektrikal da 1.5 million wakar mekanikal. A baya, OLTC da vacuum interrupter masu precision engineering sun fiye da ake bukata tun, kuma ya shafi da a yi waƙo da aiki da OLTC da ake buƙata a kasar.

Don in taimaka da wannan abin da shi, mafi girman OLTC na China sun fara wurin yanayin aiki na ƙarfafa masu kyau da vacuum interrupter. Sun yi hankali da wurin yanayin aiki da ake buƙata, wanda ya haɗa da industry, academia, research, application, da kuma coordination na manyan sana'oyi. Tun daga aiki da ake buƙata, aikin da shi, aikin da shi, aikin da shi, aikin da shi, aikin da shi, kuma aikin da shi, sun yi hankali da muhimmiyar nasarorin a cikin design, manufacturing, testing, reliable application, da kuma electromechanical integration—zumunta aikin da shi da speed of mechanism actuation—ta hana sa aiki da shi da kyau.
Abubuwan da aka sami suna amfani da shi a cikin "Military Order" (Junlingzhuang) accountability program na Ministry of Industry and Information Technology (MIIT), wanda ya nuna cewa OLTC da ake buƙata a China ya sami amfani da shi a cikin abubuwan da aka sami.
Yanzu, an sami wuce cewa aiki da shi da vacuum interrupter da ake buƙata a China ya taimaka da kyau. A nan, an zaɓe da shi da ake buƙata a cikin industrial manufacturing capabilities, kuma za a yi hankali da aiki da shi da OLTC da ake buƙata a cikin UHV converter transformers, don in taimaka da high-end power equipment industry na China.