Ntawm qhov tod tes, nws ua haujlwm raws li AC fais fab mov rau cov khoom siv tseem ceeb los tiv thaiv kev siv hluav taws xob tam sim ntawd los ntawm kev cuam tshuam rau kev ua haujlwm ib txwm thiab ua rau cov khoom puas tsuaj.
Ntawm qhov tod tes, nws tshem tawm "lub zog muaj kuab paug" los ntawm kev siv hluav taws xob xws li surges, instantaneous high / low voltage, xaim suab nrov thiab zaus hloov kho kom zoo zog thiab muab lub zog zoo rau cov khoos phis tawj, thiab lwm yam.
