Lub cim ntawm Surge thaub qab tiv thaiv feem ntau qhia tias "Scb". Hauv cov kab ke kos duab, lub cim ntawm surge thaub qab tiv thaiv (SCB) feem ntau zoo li muaj kev tiv thaiv ncaj qha (SPD) los muab kev tiv thaiv ntxiv. Lub luag haujlwm tseem ceeb ntawm surge tus neeg tiv thaiv thaub qab yog muab kev tiv thaiv thaub qab thaum nce los tiv thaiv cov khoom siv los ntawm kev ua kom dhau los ntawm kev tawm tsam.
Cov haujlwm thiab qhov sib txawv ntawm kev tiv thaiv kev tiv thaiv (SPD) thiab nthwv rov qab tiv thaiv (Surge thaub qab tiv thaiv (Surge thaub qab tiv thaiv (SURB) hauv lub system yog raws li hauv qab no:
Surge tiv thaiv (SPD): feem ntau yog siv los txo cov kev tiv thaiv thiab kev tawm mus tawm tam sim no, feem ntau txuas rau hauv cov khoom siv tiv thaiv. Thaum OverVoltage tshwm sim, SPD tuaj yeem ua lub luag haujlwm ntawm shunting thiab voltage txwv kom tiv thaiv tau tam sim no thiab voltage los ntawm kev ua kom cov khoom siv ua kom puas tsuaj.
Surge thaub qab tiv thaiv (SCB): Raws li cov khoom tiv thaiv pem hauv ntej ntawm cov neeg tiv thaiv sab nraud, thaum SCB muab kev tiv thaiv los ntawm kev puas tsuaj los ntawm kev ua kom muaj kev puas tsuaj. Daim SCB feem ntau hu ua Surge thaub qab ntaus ntawv lossis sab nraud kaw lus.
Hauv cov kab ke kos duab, cov sawv cev ntawm kev tiv thaiv kev tiv thaiv thiab nce siab rov qab tiv thaiv kuj txawv:
Surge tiv thaiv (SPD): hauv cov txheej txheem system uas tsis muaj zog tam sim no, lub zog tawg kev tiv thaiv kev tiv thaiv yog ib yam, thaum lub teeb liab tiv thaiv kev tiv thaiv kev tiv thaiv yog cov cim.
Surge thaub qab tiv thaiv (Scb): Feem ntau pom nrog SPD, sawv cev los ntawm "Scb" lub cim, los muab kev tiv thaiv ntxiv.