Cov lus nug nquag nug txog kev siv cov khoom siv hluav taws xob hloov pauv
1. Kuv yuav tsum xyuam xim rau dab tsi thaum xaiv lub tshuab hluav taws xob hloov hluav taws xob?
A: Txhawm rau txhawm rau ua kom lub neej ntawm cov khoom siv hluav taws xob hloov pauv, nws raug nquahu kom xaiv tus qauv nrog 30% ntau qhov tso zis hluav taws xob ntsuas. Piv txwv li, yog tias lub kaw lus xav tau 100W lub zog hluav taws xob, nws raug nquahu kom xaiv lub zog hluav taws xob nrog lub zog tso zis ntau dua 130W, thiab ntxiv rau kom muaj txiaj ntsig zoo rau lub neej ntawm cov khoom siv hluav taws xob. Nws tseem yog ib qho tseem ceeb uas yuav tau xav txog qhov kub thiab txias ntawm cov khoom siv hluav taws xob thiab qhov muaj cov khoom siv ua kom txias ntxiv, vim tias cov khoom siv hluav taws xob ntsuas hluav taws xob yuav raug txo qis ntawm qhov kub thiab txias. Kev xaiv cov haujlwm raws li daim ntawv thov: Kev tiv thaiv kev ua haujlwm: Kev Tiv Thaiv Tshaj Tawm (OVP), Kev Tiv Thaiv Kub Kub (OTP), Kev Tiv Thaiv Tshaj Tawm (OLP), thiab lwm yam. Daim ntawv thov kev ua haujlwm: Cov teeb liab muaj nuj nqi (POWER GOOD, POWER FAIL), chaw taws teeb tswj muaj nuj nqi , telemetry muaj nuj nqi, kev sib txuas ua ke muaj nuj nqi, thiab lwm yam. Cov haujlwm tshwj xeeb: kev kho lub zog hloov pauv (PFC), lub zog tsis cuam tshuam (UPS). Xaiv cov ntawv pov thawj kev nyab xeeb thiab EMC. 2.
2. POWER puas siv tau rau hauv 45 ~ 440Hz, yog tias muaj, puas muaj lwm yam cuam tshuam?
Teb: Hloov cov khoom siv hluav taws xob tuaj yeem siv rau hauv qhov ntau zaus no. Txawm li cas los xij, yog tias qhov zaus tsawg dhau lawm, qhov ua tau zoo yuav raug txo, piv txwv li: input voltage 23{{10}}VAC thiab ntsuas load, thaum lub input AC zaus yog 60Hz, qhov ua tau zoo yog 84%, tab sis yog tias cov tswv yim AC zaus raug txo mus rau 50Hz, qhov ua tau zoo yog 83.8%; thiab siab dhau heev lawm yuav ua rau PFC kev ua haujlwm ntawm tus qauv, PF tus nqi txo, thiab tseem ua rau muaj qhov nce ntawm cov xau tam sim no, piv txwv li: voltage 230VAC, PF tus nqi txo, thiab tseem ua rau muaj qhov nce hauv qhov hluav taws xob, piv txwv li: voltage 230VAC, zaus yog 60Hz, PF tus nqi nce. Thaum lub input AC zaus yog 60Hz, lub zog qhov tseem ceeb yog 0.93 thiab cov xau tam sim no yog 0.7mA; Thaum lub input AC zaus yog 440Hz, lub zog qhov tseem ceeb poob mus rau 0.75 thiab cov xau tam sim no nce mus rau 4.3mA. 3.
3. Yog tias yuav tsum tau 24V, tab sis tus qauv tshiab tsis muaj, Kuv puas tuaj yeem siv 2 teev ntawm 12V hauv series?
Teb: Yog, tab sis thov nco ntsoov tias * qhov tam sim no me me ntawm cov qauv sib txuas yog * qhov siab tshaj plaws tam sim no ntawm tag nrho cov kab ke tom qab kev sib txuas. Tsis tas li ntawd, txhawm rau tiv thaiv cov khoom siv hluav taws xob hauv series los ntawm kev puas tsuaj rau cov capacitors sab hauv thaum pib, nws raug nquahu kom txuas lub diode nyob rau tib lub sijhawm nrog cov zis ntawm SPU.
4. Yog tias kuv xav tau 600W fais fab mov, kuv puas tuaj yeem siv ob lub 300W fais fab mov ua ke?
A: Tsis yog, koj tsis tuaj yeem txuas lawv ncaj qha mus rau qhov sib npaug. Vim hais tias feem ntau 300W tsis yog tsim los nrog kev sib txuas ua haujlwm, thaum qhov tso zis hluav taws xob ntawm ob lub zog siv hluav taws xob sib txawv, ib qho uas muaj qhov hluav taws xob ntau dua yuav dais feem ntau lossis tag nrho cov poob, nws raug nquahu kom siv cov qauv nrog kev sib txuas ua ke.
5 Kev ntsuas ob qhov tso zis hluav taws xob, +5V yog qhov tseeb, tab sis +12V tawm ntawm qhov tshwj xeeb, yog vim li cas?
Teb: Cov khoom siv high-tech nrog ntau qhov kev tso tawm (ntau tshaj 2 pawg) muaj qhov yuav tsum tau ua ntawm * me me, thov mus saib phau ntawv ua ntej siv. Thaum 5V / 4A, 12V / 1A, 12V tso zis voltage siab, txog 12.8V tau tshaj phau ntawv ntawm ± 6% (12.72V), lub sijhawm no, 12V yog tias koj ntxiv 0.2A raws li cov cov lus qhia ntawm * me me load, 12V tso zis voltage yuav raug txo kom txog li 12.3V.
6 Vim li cas cov khoom siv hluav taws xob tsis tuaj yeem tig tau yooj yim yog tias cov khoom thauj yog lub cev muaj zog, qhov muag teeb lossis lub peev xwm thauj khoom?
A: Thaum lub tsheb thauj khoom yog lub cev muaj zog, lub teeb lub teeb lossis lub peev xwm thauj khoom, qhov tam sim no siab dhau thaum lub sijhawm hloov ntawm lub zog, nws raug nquahu kom siv lub zog hluav taws xob uas nws txoj kev tiv thaiv overload yog cov khoom tsim kho tam sim no.
7. Vim li cas cov khoom siv hluav taws xob sib tsoo thaum siv, tab sis tuaj yeem ua haujlwm dua tom qab hloov tawm thiab hloov dua tshiab?
Teb: Feem ntau tshwm sim los ntawm kev siv cov khoom siv hluav taws xob hauv ob qhov xwm txheej, ua ntej ntawm tag nrho cov, lub load yuav yog instantaneous overload los ntawm kev tiv thaiv overload, nws yog pom zoo kom txhim kho lub hwj chim tso zis hluav taws xob los yog hloov qhov tsim ntawm lub overload; ** yog qhov kub nce siab dhau lawm, qhov tshwm sim ntawm over-temperature tiv thaiv tshwm sim. Tag nrho cov xwm txheej saum toj no yuav ua rau cov khoom siv hluav taws xob nkag mus rau hauv lub xeev kev tiv thaiv thiab thaum lub tshuab, thiab qhov xwm txheej raug tshem tawm thiab tom qab ntawd tig lub tshuab tuaj yeem rov ua haujlwm zoo.
