Lub koob txuas tiv thaiv yog qhov tivthaiv lossis txhawb cov hlau thiab tsim hluav taws xob rwb thaiv tsev ntawm tus pej thuam thiab cov hlau.
Cov rwb thaiv tsev yuav tsum muaj lub rwb thaiv tsev txaus thiab lub zog txhua yam. Thaum lub sijhawm ua haujlwm, lawv yuav tsum tsis txhob tsuas yog cuam tshuam ntawm kev ua haujlwm ntawm voltage thiab overvoltage, tab sis kuj muaj cov tsis kam tiv thaiv ntawm kev yaig ntawm tshuaj impurities, thiab tuaj yeem hloov kho rau kev hloov pauv ntawm qhov kub thiab lub zog ntawm ib puag ncig ib puag ncig.
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