A lub thawv faib khoom(DB lub thawv) yogib lub thawv hlau los yog yas uas ua haujlwm ua lub hauv paus rau lub tshuab hluav taws xob, txais lub zog los ntawm lub zog tseem ceeb thiab faib nws mus rau ntau lub voj voog hauv tsev.Nws muaj cov khoom siv kev nyab xeeb xws li cov cuab yeej hluav taws xob, cov fuses, thiab cov bus bars uas tiv thaiv lub kaw lus los ntawm kev overloads thiab luv circuits, kom ntseeg tau tias hluav taws xob raug xa mus rau ntau qhov chaw thiab khoom siv kom muaj kev nyab xeeb thiab zoo.
- Chaw Nruab Nrab:
Nws ua haujlwm ua lub hauv paus tseem ceeb uas lub zog hluav taws xob raug faib thiab xa mus rau ntau thaj chaw lossis cov khoom siv sib txawv hauv ib lub tsev.
- Pkev tiv thaiv:
Lub thawv muaj cov cuab yeej hluav taws xob, cov fuses, lossis lwm yam khoom siv tiv thaiv uas tsim los rau kev txiav thiab txiav lub zog thaum muaj kev thauj khoom ntau dhau lossis luv luv, tiv thaiv kev puas tsuaj.
- Kev faib tawm:
Nws faib fais fab los ntawm qhov chaw muab hluav taws xob tseem ceeb mus rau hauv cov voj voog me me, uas tswj tau, ua rau muaj kev tswj hwm thiab kev tswj hwm hluav taws xob zoo.
- Cheebtsam:
Cov khoom sib xws uas pom muaj nyob sab hauv suav nrog cov circuit breakers, fuses, bus bars (rau kev sib txuas), thiab qee zaum meters lossis cov khoom siv tiv thaiv kev kub ntxhov.
- Cov thawv faib khoom feem ntau pom muaj nyob rau hauv chav siv hluav taws xob, chav nres tsheb, qab nthab, lossis lwm qhov chaw nkag tau yooj yim ntawm lub tsev.
Lub sijhawm tshaj tawm: Lub Yim Hli-29-2025