Kev Piav Qhia Luv:

Lub transformer no yog epoxy resin cased nrog cov qauv kaw tag nrho thiab rwb thaiv tsev tag nrho. Nws yog tsim los rau kev siv ntawm kev ntsuas ntawm voltage, hluav taws xob lub zog thiab relay tiv thaiv hauv lub zog fais fab nrog zaus ntsuas 50Hz - 60Hz thiab ntsuas voltage 3,6, 10 kV lossis qis dua. Me me, lub teeb yuag nws tuaj yeem ntsia tau rau txhua qhov chaw.