DC stabilized fais fab mov txoj kev ua haujlwm
1. Tom qab txuas AC lub zog hluav taws xob thiab tig lub hwj chim hloov mus rau "ON" txoj hauj lwm, lub hwj chim vaj huam sib luag qhov voltage thiab ammeter yuav teeb;
2. 0–15V hloov kho: Kom tau txais qhov hluav taws xob tso zis mus rau tus nqi uas yuav luag sib npaug ntawm qhov xav tau, tig lub qhov hluav taws xob coarse hloov pob qhov rooj ua ntej. Tom qab ntawd, tig lub qhov hluav taws xob zoo hloov pob qhov rooj kom tau txais qhov tso zis hluav taws xob mus rau qhov tseeb tus nqi uas xav tau;
3. Kev hloov kho tam sim no tsis tu ncua: luv luv-circuit qhov hluav taws xob tso tawm qhov zoo thiab qhov tsis zoo, tom qab ntawd tig lub pob qhov hloov pauv tam sim no kom coj cov tam sim no mus rau qhov tsim nyog ze tus nqi thiab tig lub pob qhov hloov tam sim no kom coj tau qhov tam sim no mus txog qhov tsim nyog. tus nqi;
4. Lub hwj huam mov yuav cia li txwv qhov tam sim no mus rau qhov predetermined tas li tam sim no tus nqi yog hais tias lub load poob los yog shorted tawm. Txij ntawm no mus, txhawm rau tswj cov zis tam sim no, cov zis hluav taws xob yuav cia li txo kom txog thaum nws yog 0V. Cov zis hluav taws xob tam sim ntawd rov qab mus rau qhov qub tom qab lub overload lossis luv Circuit Court raug tshem tawm.
Kev ntsuas kev nyab xeeb
1. Xyuas kom tseeb tias cov khoom siv hluav taws xob txuas nrog DC stabilized fais fab mov lub input voltage ua ntej tig nws;
2. Txhawm rau kom muaj cua sov dissipation, yuav tsum muaj chav txaus nyob ib puag ncig lub tshuab thaum siv DC tswj fais fab;
3. Lub hwj huam mov yuav txiav tawm yog tias lub 2A fuse ntawm lub hwj chim input kawg hlawv tawm. Ua ntej hloov nws nrog lub fuse ntawm tib tus nqi, cov neeg ua haujlwm tu yuav tsum txheeb xyuas qhov txhaum qhov chaw thiab kho nws;
4. Nco ntsoov xyuas cov zis voltage ntawm DC tswj fais fab mov ua ntej siv nws. Kev kho lub xov tooj ntawm tes, qhov tso zis hluav taws xob yuav tsum siab dua 4.2V, lwm tus nti hauv lub xov tooj yuav hlawv tawm;
5. Lub davhlau ya nyob twg dub txhais tau hais tias tus ncej tsis zoo thiab lub qhov tso zis liab liab, ntawm cov khoom siv hluav taws xob tswj cov khoom siv hluav taws xob, cov ncej zoo. Tsis txhob txuas ob.
