1. Dab tsi yog qhov kev tiv thaiv kev xau?
Teb: Cov khoom tiv thaiv to (tshuaj tiv thaiv kev hloov pauv) yog cov khoom siv hluav taws xob tiv thaiv hluav taws xob. Cov dej xau tiv thaiv yog ntsia rau hauv qhov hluav taws xob qis. Thaum cov dej xau thiab hluav taws xob tshwm sim, thiab qhov kev khiav hauj lwm tam sim no raug txwv los ntawm tus neeg tiv thaiv, nws yuav ua tam sim ntawd thiab txiav tawm lub zog hluav taws xob hauv lub sijhawm txwv rau kev tiv thaiv.
2. Dab tsi yog tus qauv ntawm lub qhov dej tiv thaiv?
Teb: Cov khoom tiv thaiv xau feem ntau yog tsim los ntawm peb ntu: cov khoom kuaj pom, qhov txuas nruab nrab ntawm kev nthuav dav, thiab kev khiav hauj lwm actuator. ①Nrhiav lub ntsiab. Nws muaj xoom-ib theem transformers, uas ntes cov xau tam sim no thiab xa tawm cov teeb liab. ② nthuav qhov txuas. Txhim kho lub teeb liab tsis muaj zog thiab tsim hluav taws xob tiv thaiv hluav taws xob thiab hluav taws xob tiv thaiv raws li cov khoom siv sib txawv (qhov amplifying yuav siv cov cuab yeej siv tshuab lossis cov khoom siv hluav taws xob). ③ Lub koom haum tswj hwm. Tom qab tau txais lub teeb liab, lub ntsiab hloov pauv ntawm qhov chaw kaw mus rau qhov chaw qhib, yog li txiav tawm lub zog hluav taws xob, uas yog qhov cuam tshuam rau kev tiv thaiv Circuit Court kom raug txiav tawm ntawm daim phiaj hluav taws xob.
3. Lub hauv paus ntsiab lus ua haujlwm ntawm cov khoom tiv thaiv dej xau yog dab tsi?
teb:
①Thaum cov khoom siv hluav taws xob xau, muaj ob qhov tshwm sim txawv txav:
Ua ntej, qhov sib npaug ntawm peb-theem tam sim no raug rhuav tshem, thiab xoom-sequence tam sim no tshwm sim;
Qhov thib ob yog tias muaj qhov hluav taws xob mus rau hauv av hauv cov hlau uas tsis muaj hlau nyob hauv ib txwm muaj (nyob rau hauv ib txwm muaj, cov hlau casing thiab hauv av yog ob qho tib si ntawm xoom lub peev xwm).
②Qhov kev ua haujlwm ntawm xoom-ib ntus tam sim no transformer Lub leakage protector tau txais cov teeb liab txawv txav los ntawm kev tshawb pom ntawm lub tam sim no transformer, uas yog hloov dua siab tshiab thiab xa mus los ntawm lub nruab nrab mechanism los ua tus actuator actuator, thiab lub hwj chim mov yog disconnected los ntawm lub switching ntaus ntawv. Cov qauv ntawm cov transformer tam sim no zoo ib yam li cov transformer, uas muaj ob lub coils uas yog insulated los ntawm ib leeg thiab raug mob ntawm tib lub cores. Thaum cov kauj ruam tseem ceeb muaj qhov seem tam sim no, lub kauj coil thib ob yuav ua rau muaj qhov tam sim no.
③ Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm cov dej xau tiv thaiv Cov xau tiv thaiv tau teeb tsa hauv kab, thawj kauj yog txuas nrog cov kab hluav taws xob, thiab cov coil thib ob txuas nrog kev tso tawm hauv cov hluav taws xob tiv thaiv. Thaum cov khoom siv hluav taws xob ua haujlwm ib txwm muaj, qhov tam sim no hauv kab yog nyob rau hauv qhov sib npaug, thiab qhov sib npaug ntawm cov vectors tam sim no hauv lub transformer yog xoom (qhov tam sim no yog vector nrog ib qho kev taw qhia, xws li cov kev taw qhia tawm yog "+", qhov rov qab yog "-", nyob rau hauv lub tam sim no rov qab mus rau hauv lub transformer yog sib npaug zos nyob rau hauv magnitude thiab opposite nyob rau hauv cov kev taw qhia, thiab qhov zoo thiab tsis zoo. Txij li thaum tsis muaj qhov seem tam sim no nyob rau hauv thawj kauj, lub kauj kauj ruam thib ob yuav tsis raug ntxias, thiab cov cuab yeej hloov pauv ntawm cov khoom tiv thaiv xau ua haujlwm hauv lub xeev kaw. Thaum cov dej xau tshwm sim ntawm lub casing ntawm cov cuab yeej thiab ib tus neeg kov nws, lub shunt yog tsim los ntawm qhov txhaum. Qhov dej ntws tam sim no yog hauv av los ntawm tib neeg lub cev, lub ntiaj teb, thiab rov qab mus rau qhov nruab nrab ntawm lub transformer (tsis muaj tam sim no transformer), ua rau lub transformer ntws mus rau hauv thiab tawm. Qhov tam sim no tsis sib npaug (cov lej ntawm cov vectors tam sim no tsis yog xoom), thiab cov kauj ruam tseem ceeb tsim cov seem tam sim no. Yog li ntawd, qhov thib ob kauj yuav raug ntxias, thiab thaum tus nqi tam sim no nce mus txog qhov kev khiav hauj lwm tam sim no txwv los ntawm cov khoom tiv thaiv, qhov hloov pauv tsis siv neeg yuav mus thiab lub zog yuav raug txiav tawm.

4. Dab tsi yog qhov tseem ceeb technical parameters ntawm lub leakage protector?
Teb: Cov kev ua haujlwm tseem ceeb ntawm kev ua haujlwm yog: ntsuas cov dej xau ua haujlwm tam sim no, ntsuas qhov dej ntws tawm lub sijhawm ua haujlwm, ntsuas qhov tsis ua haujlwm tam sim no. Lwm yam tsis muaj xws li: fais fab zaus, ntsuas voltage, ntsuas tam sim no, thiab lwm yam.
① Rated leakage tam sim no Tus nqi tam sim no ntawm cov khoom tiv thaiv kom ua haujlwm raws li qhov xwm txheej. Piv txwv li, rau tus tiv thaiv 30mA, thaum tus nqi tam sim no nce mus txog 30mA, tus tiv thaiv yuav ua rau txiav tawm lub hwj chim.
② Lub sij hawm xau hluav taws xob yog hais txog lub sijhawm los ntawm kev thov tam sim ntawd ntawm cov ntsuas hluav taws xob tam sim no kom txog rau thaum kev tiv thaiv Circuit Court raug txiav tawm. Piv txwv li, rau tus tiv thaiv ntawm 30mA × 0.1s, lub sij hawm los ntawm tus nqi tam sim no mus txog 30mA mus rau kev sib cais ntawm lub ntsiab tiv tauj tsis tshaj 0.1s.
③ Cov ntsuas dej ntws tsis ua haujlwm tam sim no raws li cov xwm txheej tau teev tseg, tus nqi tam sim no ntawm tus tiv thaiv tsis ua haujlwm feem ntau yuav tsum raug xaiv raws li ib nrab ntawm cov xau tam sim no. Piv txwv li, ib qho hluav taws xob tiv thaiv nrog cov xau tam sim no ntawm 30mA, thaum tus nqi tam sim no qis dua 15mA, tus tiv thaiv yuav tsum tsis txhob ua, txwv tsis pub nws yooj yim rau malfunction vim siab dhau heev lawm, cuam tshuam rau kev ua haujlwm ntawm cov khoom siv hluav taws xob.
④ Lwm yam tsis xws li: lub zog zaus, ntsuas qhov ntsuas hluav taws xob, ntsuas tam sim no, thiab lwm yam., thaum xaiv cov khoom tiv thaiv xau, yuav tsum sib haum nrog cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob. Kev ua haujlwm voltage ntawm cov khoom tiv thaiv to yuav tsum hloov mus rau qhov ntsuas hluav taws xob ntawm qhov hloov pauv ib txwm muaj ntawm daim phiaj hluav taws xob. Yog tias qhov kev hloov pauv loj heev, nws yuav cuam tshuam rau kev ua haujlwm ib txwm muaj ntawm tus tiv thaiv, tshwj xeeb tshaj yog rau cov khoom siv hluav taws xob. Thaum lub hwj chim muab hluav taws xob qis dua qhov ntsuas ua haujlwm voltage ntawm tus tiv thaiv, nws yuav tsis kam ua. Qhov ntsuas ua hauj lwm tam sim no ntawm tus tiv thaiv to yuav tsum ua raws li qhov tseeb tam sim no hauv Circuit Court. Yog tias qhov tseeb ua haujlwm tam sim no ntau dua qhov ntsuas tam sim no ntawm tus tiv thaiv, nws yuav ua rau overload thiab ua rau tus tiv thaiv ua haujlwm tsis zoo.
5. Dab tsi yog qhov tseem ceeb ntawm kev tiv thaiv kev tiv thaiv kev tiv thaiv?
Teb: Cov dej xau tiv thaiv feem ntau muab kev tiv thaiv tiv thaiv tsis ncaj. Raws li qee qhov xwm txheej, nws tseem tuaj yeem siv los ua kev tiv thaiv ntxiv rau kev sib cuag ncaj qha los tiv thaiv hluav taws xob hluav taws xob ua rau muaj kev phom sij txaus ntshai.
6. Kev tiv thaiv ncaj qha thiab tiv thaiv kev tiv thaiv yog dab tsi?
Teb: Thaum tib neeg lub cev kov lub cev raug them thiab muaj tam sim no dhau los ntawm tib neeg lub cev, nws yog hu ua hluav taws xob poob rau tib neeg lub cev. Raws li qhov ua rau tib neeg lub cev hluav taws xob poob siab, nws tuaj yeem muab faib ua hluav taws xob ncaj qha thiab hluav taws xob tsis ncaj. Cov hluav taws xob hluav taws xob ncaj qha yog hais txog hluav taws xob los ntawm tib neeg lub cev ncaj qha kov lub cev raug them (xws li kov cov kab theem). Indirect hluav taws xob poob siab yog hais txog hluav taws xob poob siab tshwm sim los ntawm tib neeg lub cev kov tus neeg xyuas pib hlau uas tsis raug them raws li ib txwm muaj tab sis raug them raws li kev ua txhaum cai (xws li kov lub casing ntawm cov khoom xau). Raws li cov laj thawj sib txawv ntawm hluav taws xob poob siab, kev ntsuas los tiv thaiv hluav taws xob poob siab kuj tau muab faib ua: tiv thaiv kev tiv thaiv ncaj qha thiab tiv thaiv kev tiv thaiv tsis ncaj. Rau kev tiv thaiv kev tiv thaiv ncaj qha, ntsuas xws li rwb thaiv tsev, tiv thaiv npog, laj kab, thiab kev nyab xeeb nyob deb feem ntau tuaj yeem txais yuav; rau kev tiv thaiv kev tiv thaiv tsis ncaj, kev ntsuas xws li kev tiv thaiv hauv av (txuas mus rau xoom), kev tiv thaiv kev txiav tawm, thiab kev tiv thaiv xau feem ntau tuaj yeem raug saws.
7. Dab tsi yog qhov txaus ntshai thaum tib neeg lub cev raug hluav taws xob?
Teb: Thaum tib neeg lub cev raug hluav taws xob, qhov ntau dua qhov tam sim no ntws mus rau hauv tib neeg lub cev, lub sijhawm tam sim no kav ntev, qhov txaus ntshai heev. Qib ntawm kev pheej hmoo tuaj yeem kwv yees faib ua peb theem: kev nkag siab - kev khiav tawm - ventricular fibrillation. ① Kev nkag siab theem. Vim tias tam sim no dhau los me me, tib neeg lub cev tuaj yeem hnov ​​​​nws (feem ntau ntau dua 0.5mA), thiab nws tsis ua rau muaj kev phom sij rau tib neeg lub cev thaum lub sijhawm no; ② Tshem tawm ntawm theem. Hais txog tus nqi siab tshaj plaws tam sim no (feem ntau ntau dua 10mA) uas ib tus neeg tuaj yeem tshem tawm thaum lub electrode yog electrocuted ntawm tes. Txawm hais tias qhov tam sim no txaus ntshai, nws tuaj yeem tshem tawm ntawm nws tus kheej, yog li nws tsis yog qhov txaus ntshai txaus ntshai. Thaum qhov tam sim no nce mus rau ib theem, tus neeg tau txais hluav taws xob yuav tuav lub cev kom nruj vim cov leeg nqaij thiab spasm, thiab tsis tuaj yeem tshem tawm ntawm nws tus kheej. ③ ventricular fibrillation theem. Nrog rau qhov nce ntawm qhov tam sim no thiab lub sij hawm ntev hluav taws xob poob siab (feem ntau ntau dua 50mA thiab 1s), ventricular fibrillation yuav tshwm sim, thiab yog tias lub hwj chim tsis txuas tam sim ntawd, nws yuav ua rau tuag taus. Nws tuaj yeem pom tias ventricular fibrillation yog qhov ua rau tuag los ntawm electrocution. Yog li ntawd, kev tiv thaiv ntawm tib neeg feem ntau tsis tshwm sim los ntawm ventricular fibrillation, raws li lub hauv paus rau kev txiav txim siab tiv thaiv cov yam ntxwv ntawm hluav taws xob poob siab.
8. Kev nyab xeeb ntawm "30mA·s" yog dab tsi?
Teb: Los ntawm ntau cov tsiaj sim thiab kev tshawb fawb, nws tau pom tias ventricular fibrillation tsis yog tsuas yog cuam tshuam nrog tam sim no (I) dhau los ntawm tib neeg lub cev, tab sis kuj muaj feem xyuam rau lub sijhawm (t) uas tam sim no nyob rau hauv tib neeg lub cev, uas yog, muaj kev nyab xeeb hluav taws xob ntau Q = I × t los txiav txim, feem ntau 50mA s. Qhov ntawd yog hais tias, thaum tam sim no tsis ntau tshaj 50mA thiab lub sijhawm tam sim no nyob rau hauv 1s, ventricular fibrillation feem ntau tsis tshwm sim. Txawm li cas los xij, yog tias nws tau tswj hwm raws li 50mA·s, thaum lub sijhawm siv hluav taws xob luv luv thiab qhov dhau los tam sim no loj (piv txwv li, 500mA × 0.1s), tseem muaj kev pheej hmoo ua rau ventricular fibrillation. Txawm hais tias tsawg dua 50mAs yuav tsis ua rau tuag los ntawm hluav taws xob, nws tseem yuav ua rau tus neeg raug hluav taws xob tsis nco qab lossis ua rau muaj kev raug mob thib ob. Kev xyaum tau ua pov thawj tias siv 30 mA s raws li cov yam ntxwv ntawm cov khoom siv hluav taws xob tiv thaiv hluav taws xob yog qhov tsim nyog rau kev nyab xeeb hauv kev siv thiab kev tsim khoom, thiab muaj kev nyab xeeb ntawm 1.67 npaug piv nrog 50 mA s (K = 50/30 = 1.67). Nws tuaj yeem pom los ntawm kev txwv kev nyab xeeb ntawm "30mA·s" tias txawm tias qhov tam sim no nce mus txog 100mA, tsuav yog tias cov khoom tiv thaiv xau ua haujlwm tsis pub dhau 0.3s thiab txiav tawm lub zog hluav taws xob, tib neeg lub cev yuav tsis ua rau muaj kev phom sij txaus ntshai. Yog li ntawd, qhov kev txwv ntawm 30mA·s kuj tau dhau los ua lub hauv paus rau kev xaiv cov khoom tiv thaiv to.

9. Yam khoom siv hluav taws xob twg yuav tsum tau nruab nrog cov khoom tiv thaiv?
Teb: Tag nrho cov khoom siv hluav taws xob ntawm qhov chaw tsim kho yuav tsum tau nruab nrog cov cuab yeej tiv thaiv hluav taws xob ntawm lub taub hau kawg ntawm cov khoom siv thauj khoom, ntxiv rau kev txuas nrog xoom rau kev tiv thaiv:
① Txhua yam khoom siv hluav taws xob ntawm qhov chaw tsim kho yuav tsum tau nruab nrog cov khoom tiv thaiv. Vim yog kev tsim kho huab cua, huab cua nyob ib puag ncig, hloov cov neeg ua haujlwm, thiab kev tswj cov cuab yeej tsis muaj zog, kev siv hluav taws xob yog qhov txaus ntshai, thiab txhua yam khoom siv hluav taws xob yuav tsum suav nrog cov khoom siv hluav taws xob thiab teeb pom kev zoo, cov khoom siv txawb thiab cov khoom ruaj khov, thiab lwm yam. Tsis muaj cov cuab yeej siv los ntawm kev nyab xeeb voltage thiab kev sib cais transformers.
②Cov kev tiv thaiv qub zeroing (grounding) kev ntsuas tseem tsis hloov raws li qhov yuav tsum tau ua, uas yog qhov kev ntsuas yooj yim tshaj plaws rau kev siv hluav taws xob zoo thiab tsis tuaj yeem tshem tawm.
③ Lub qhov dej tiv thaiv yog ntsia rau ntawm lub taub hau kawg ntawm cov kab ntawm cov khoom siv hluav taws xob. Lub hom phiaj ntawm qhov no yog los tiv thaiv cov khoom siv hluav taws xob thaum tseem tiv thaiv cov kab hluav taws xob tiv thaiv hluav taws xob los ntawm kev puas tsuaj los ntawm kab hluav taws xob.
10. Vim li cas lub qhov dej tiv thaiv tau nruab tom qab kev tiv thaiv txuas nrog xoom kab (hauv av)?
Teb: Txawm hais tias qhov kev tiv thaiv txuas nrog xoom lossis qhov ntsuas hauv av, nws qhov kev tiv thaiv ntau yog txwv. Piv txwv li, "kev tiv thaiv xoom kev sib txuas" yog txuas cov hlau casing ntawm cov khoom siv hluav taws xob mus rau xoom kab ntawm daim phiaj hluav taws xob, thiab nruab ib lub fuse ntawm lub hwj huam mov. Thaum cov khoom siv hluav taws xob kov lub plhaub txhaum (ib theem kov lub plhaub), ib theem luv luv ntawm cov txheeb ze zero kab yog tsim. Vim yog qhov luv luv-circuit tam sim no, lub fuse tau nrawm nrawm thiab lub zog hluav taws xob raug txiav tawm rau kev tiv thaiv. Nws txoj hauv kev ua haujlwm yog hloov "plhaub txhaum" mus rau "ib theem luv-circuit txhaum", thiaj li yuav tau txais kev pov hwm luv luv tam sim no. Txawm li cas los xij, qhov teeb meem hluav taws xob ntawm qhov chaw tsim kho tsis yog tsis tu ncua, thiab cov dej xau feem ntau tshwm sim, xws li cov dej xau los ntawm cov khoom siv damp, cov khoom siv ntau dhau, cov kab ntev, kev laus rwb thaiv tsev, thiab lwm yam. Cov dej xau tam sim no yog me me, thiab kev tuav pov hwm tsis tuaj yeem txiav tawm sai. Yog li ntawd, qhov ua tsis tiav yuav tsis raug tshem tawm thiab yuav muaj nyob rau lub sijhawm ntev. Tab sis qhov dej ntws tam sim no ua rau muaj kev hem thawj loj rau kev nyab xeeb ntawm tus kheej. Yog li ntawd, nws tseem yuav tsum tau nruab ib lub qhov dej tiv thaiv nrog kev nkag siab ntau dua rau kev tiv thaiv ntxiv.
11. Dab tsi yog hom kev tiv thaiv kev xau?
Teb: Cov khoom tiv thaiv dej xau tau muab faib ua ntau txoj hauv kev kom tau raws li kev xaiv ntawm kev siv. Piv txwv li, raws li hom kev txiav txim, nws tuaj yeem muab faib ua hom kev ua haujlwm voltage thiab tam sim no hom kev ua haujlwm; Raws li kev ua haujlwm mechanism, muaj hom hloov thiab hom relay; raws li tus naj npawb ntawm cov ncej thiab kab, muaj ib leeg-ncej ob-xaim, ob-ncej, ob-ncej peb-xaim thiab lwm yam. Cov hauv qab no tau muab faib ua raws li qhov kev txiav txim siab thiab lub sijhawm ua haujlwm: ① Raws li kev txiav txim siab rhiab heev, nws tuaj yeem muab faib ua: Siab rhiab heev: cov xau tam sim no qis dua 30mA; Nruab nrab rhiab heev: 30 ~ 1000mA; Tsawg rhiab heev: siab dua 1000mA. ② Raws li lub sijhawm ua haujlwm, nws tuaj yeem muab faib ua: hom ceev: lub sij hawm xau tawm tsawg dua 0.1s; ncua sijhawm: lub sijhawm ua haujlwm ntau dua 0.1s, ntawm 0.1-2s; inverse time type: raws li cov dej xau tam sim no nce, lub sij hawm xau dej tsawg tsawg. Thaum siv cov dej ntws tawm tam sim no, lub sijhawm ua haujlwm yog 0.2 ~ 1s; thaum qhov kev khiav hauj lwm tam sim no yog 1.4 npaug ntawm kev khiav hauj lwm tam sim no, nws yog 0.1, 0.5s; Thaum qhov kev khiav hauj lwm tam sim no yog 4.4 npaug ntawm kev khiav hauj lwm tam sim no, nws yog tsawg dua 0.05s.
12. Dab tsi yog qhov txawv ntawm cov khoom siv hluav taws xob thiab hluav taws xob tiv thaiv hluav taws xob?
Teb: Cov khoom tiv thaiv xau tau muab faib ua ob hom: hom hluav taws xob thiab hom hluav taws xob raws li txoj hauv kev sib txawv: ①Electromagnetic tripping type to leakage protector, nrog rau cov khoom siv electromagnetic tripping raws li cov txheej txheem nruab nrab, thaum cov xau tam sim no tshwm sim, lub tshuab yog tripped thiab cov khoom siv hluav taws xob raug txiav. Qhov tsis zoo ntawm tus tiv thaiv no yog: tus nqi siab thiab cov txheej txheem tsim khoom nyuaj. Qhov zoo yog: cov khoom siv hluav taws xob muaj zog tiv thaiv kev cuam tshuam thiab kev poob siab (overcurrent thiab overvoltage shocks); tsis tas yuav tsum muaj lub zog txhawb nqa; cov yam ntxwv to tom qab xoom voltage thiab theem tsis ua hauj lwm nyob twj ywm unchanged. ② Lub tshuab hluav taws xob tiv thaiv hluav taws xob siv lub tshuab hluav taws xob transistor ua lub tshuab nruab nrab. Thaum cov dej xau tshwm sim, nws yog amplified los ntawm lub amplifier thiab xa mus rau lub relay, thiab lub relay tswj tus hloov mus rau disconnect lub hwj chim mov. Qhov zoo ntawm tus tiv thaiv no yog: siab rhiab heev (txog 5mA); Kev teeb tsa me me yuam kev, kev tsim khoom yooj yim thiab tus nqi qis. Qhov tsis zoo yog: lub transistor muaj lub peev xwm tsis muaj zog los tiv thaiv kev poob siab thiab tsis zoo rau kev cuam tshuam ib puag ncig; Nws xav tau ib qho kev pabcuam ua haujlwm fais fab (cov tshuab hluav taws xob feem ntau xav tau DC lub zog hluav taws xob ntau tshaj kaum volts), kom cov yam ntxwv xau cuam tshuam los ntawm qhov hloov pauv ntawm kev ua haujlwm voltage; thaum lub ntsiab Circuit Court tsis nyob rau theem, qhov kev tiv thaiv tiv thaiv yuav ploj.
13. Dab tsi yog qhov kev tiv thaiv ntawm cov hluav taws xob hluav taws xob tawg?
Teb: Cov khoom tiv thaiv xau feem ntau yog cov cuab yeej uas muab kev tiv thaiv thaum cov khoom siv hluav taws xob muaj qhov ua txhaum cai. Thaum txhim kho cov dej xau tiv thaiv, yuav tsum tau muab cov cuab yeej tiv thaiv overcurrent ntxiv. Thaum lub fuse yog siv los ua kev tiv thaiv luv luv, kev xaiv ntawm nws cov specifications yuav tsum tau sib xws nrog lub peev xwm ntawm lub qhov hluav taws xob tiv thaiv. Tam sim no, cov hluav taws xob hluav taws xob hluav taws xob sib txuas nrog cov khoom siv tiv thaiv hluav taws xob thiab hluav taws xob hloov hluav taws xob (tsis siv neeg lub tshuab hluav taws xob hluav taws xob) tau siv dav. Hom kev hloov hluav taws xob tshiab no muaj lub luag haujlwm ntawm kev tiv thaiv luv luv, tiv thaiv overload, tiv thaiv to thiab tiv thaiv undervoltage. Thaum lub sij hawm kev teeb tsa, cov xaim hluav taws xob tau yooj yim, qhov ntim ntawm lub thawv hluav taws xob tau txo qis thiab kev tswj xyuas tau yooj yim. Lub ntsiab lus ntawm daim ntawv teev npe ntawm cov seem tam sim no Circuit Court breaker yog raws li nram no: Ua tib zoo saib thaum siv nws, vim hais tias qhov seem tam sim no Circuit Court breaker muaj ntau yam kev tiv thaiv, thaum mus txawv tebchaws tshwm sim, qhov ua rau ntawm qhov txhaum yuav tsum tau qhia kom meej: Thaum cov seem tam sim no Circuit Court breaker tawg vim yog luv luv, lub hau yuav tsum qhib los xyuas seb cov neeg sib cuag puas muaj qhov kub hnyiab; thaum lub Circuit Court raug tripped vim overload, nws tsis tuaj yeem rov kaw tam sim ntawd. Txij li thaum lub Circuit Court breaker yog nruab nrog lub thermal relay raws li kev tiv thaiv overload, thaum lub ntsuas tam sim no ntau dua li qhov ntsuas tam sim no, daim ntawv bimetallic yog khoov kom cais cov neeg sib cuag, thiab cov neeg tuaj yeem raug kaw tom qab daim ntawv bimetallic yog txias thiab rov qab los rau hauv lub xeev qub. Thaum qhov kev mus los yog tshwm sim los ntawm kev ua txhaum, qhov ua rau yuav tsum raug tshawb pom thiab qhov txhaum raug tshem tawm ua ntej rov qab. Kev quab yuam kaw yog txwv tsis pub. Thaum cov hluav taws xob hluav taws xob tawg tawg thiab mus ncig, L-zoo li kov yog nyob rau hauv nruab nrab txoj hauj lwm. Thaum nws rov qab kaw, qhov kev khiav hauj lwm tuav yuav tsum tau rub tawm (txoj haujlwm tawg) ua ntej, kom lub tshuab ua haujlwm rov kaw dua, thiab tom qab ntawd kaw upward. Cov hluav taws xob hluav taws xob hluav taws xob tuaj yeem siv rau kev hloov khoom siv nrog lub peev xwm loj (ntau dua 4.5kw) uas tsis nquag ua haujlwm hauv cov kab hluav taws xob.
14. Yuav ua li cas xaiv tus tiv thaiv cov dej xau?
Teb: Qhov kev xaiv ntawm cov khoom tiv thaiv yuav tsum raug xaiv raws li lub hom phiaj ntawm kev siv thiab kev ua haujlwm:
Xaiv raws li lub hom phiaj ntawm kev tiv thaiv:
①Rau lub hom phiaj ntawm kev tiv thaiv tus kheej hluav taws xob poob siab. Nruab rau ntawm qhov kawg ntawm kab, xaiv lub siab-rhiab heev, ceev-hom leakage protector.
②Rau cov ceg kab siv ua ke nrog cov khoom siv hauv av rau lub hom phiaj ntawm kev tiv thaiv hluav taws xob, siv nruab nrab-rhiab heev, ceev-hom to tiv thaiv.
③ Rau cov kab hauv lub cev rau lub hom phiaj ntawm kev tiv thaiv hluav taws los ntawm kev xau thiab tiv thaiv kab thiab khoom siv, nruab nrab-rhiab heev thiab lub sijhawm ncua kev tiv thaiv yuav tsum tau xaiv.
Xaiv raws li lub hwj huam mov hom:
① Thaum tiv thaiv ib-theem kab (khoom siv), siv ib leeg-ncej ob-xaim los yog ob-ncej xau tiv thaiv.
② Thaum tiv thaiv peb-theem kab (cov khoom siv), siv cov khoom peb-ncej.
③ Thaum muaj ob qho tib si peb-theem thiab ib-theem, siv peb-ncej plaub-xaim lossis plaub-ncej khoom. Thaum xaiv tus naj npawb ntawm tus ncej ntawm cov xau tiv thaiv, nws yuav tsum sib haum nrog cov xov tooj ntawm cov kab uas yuav tsum tau tiv thaiv. Tus naj npawb ntawm tus ncej ntawm tus tiv thaiv yog hais txog cov xov tooj ntawm cov xov hlau uas tuaj yeem txiav tawm los ntawm kev sib txuas sab hauv, xws li tus tiv thaiv peb-ncej, uas txhais tau hais tias cov kev sib txuas sib txuas tuaj yeem txiav peb cov xov hlau. Ib leeg-ncej ob-xaim, ob-ncej peb-xaim thiab peb-ncej plaub-txoj hlau tiv thaiv txhua tus muaj cov xaim nruab nrab uas ncaj qha hla dhau los ntawm cov khoom xau kom pom yam tsis muaj kev cuam tshuam. Ua haujlwm xoom kab, lub davhlau ya nyob twg yog nruj me ntsis txwv tsis pub txuas nrog PE kab. Nws yuav tsum tau muab sau tseg tias peb-ncej leakage tiv thaiv yuav tsum tsis txhob siv rau ib-theem ob-xaim (los yog ib-theem peb-xaim) cov khoom siv hluav taws xob. Nws kuj tsis tsim nyog siv plaub-ncej leakage protector rau peb-theem peb-xaim cov khoom siv hluav taws xob. Nws tsis raug tso cai los hloov peb-theem plaub-ncej leakage protector nrog peb-theem peb-ncej leakage protector.
15. Raws li qhov yuav tsum tau muaj ntawm kev faib hluav taws xob, yuav tsum muaj pes tsawg lub thawv hluav taws xob?
Teb: Qhov chaw tsim kho feem ntau faib raws li peb theem, yog li lub thawv hluav taws xob kuj yuav tsum tau teeb tsa raws li kev faib tawm, uas yog, nyob rau hauv lub thawv faib khoom loj, muaj lub thawv xa khoom, thiab lub thawv hloov pauv nyob rau hauv qab lub thawv xa khoom, thiab cov khoom siv hluav taws xob nyob hauv qab lub thawv hloov. . Lub thawv xa khoom yog lub hauv paus txuas ntawm lub zog xa hluav taws xob thiab kev faib tawm ntawm cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob hauv kev faib khoom. Nws yog ib qho khoom siv hluav taws xob tshwj xeeb siv rau kev faib hluav taws xob. Txhua theem ntawm kev faib khoom yog nqa tawm los ntawm lub thawv xa khoom. Lub thawv faib khoom tseem ceeb tswj kev faib khoom ntawm tag nrho cov kab ke, thiab lub thawv faib khoom tswj kev faib tawm ntawm txhua ceg. Lub thawv hloov pauv yog qhov kawg ntawm lub zog faib hluav taws xob, thiab txuas ntxiv mus yog cov khoom siv hluav taws xob. Txhua yam khoom siv hluav taws xob yog tswj hwm los ntawm nws tus kheej lub siab hloov lub thawv, siv ib lub tshuab thiab ib lub rooj vag. Tsis txhob siv ib lub thawv hloov rau ntau yam khoom siv los tiv thaiv kev ua haujlwm tsis raug; kuj tsis txhob muab lub zog thiab kev tswj teeb pom kev zoo hauv ib lub thawv hloov kom tsis txhob muaj teeb pom kev zoo los ntawm kev cuam tshuam los ntawm cov kab hluav taws xob tsis ua haujlwm. Lub sab sauv ntawm lub thawv hloov yog txuas nrog lub hwj huam mov thiab sab qis yog txuas nrog cov khoom siv hluav taws xob, uas nquag ua haujlwm thiab txaus ntshai, thiab yuav tsum tau them sai sai rau. Kev xaiv cov khoom siv hluav taws xob hauv lub thawv hluav taws xob yuav tsum tau ua raws li cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob. Kev teeb tsa ntawm lub thawv hluav taws xob yog ntsug thiab ruaj khov, thiab muaj chaw ua haujlwm nyob ib puag ncig nws. Tsis muaj cov dej sawv ntsug lossis cov khoom siv hauv av, thiab tsis muaj qhov cua sov thiab kev co nyob ze. Lub thawv hluav taws xob yuav tsum yog los nag-pov thawj thiab plua plav-pov thawj. Lub thawv hloov yuav tsum tsis txhob ntau tshaj 3m deb ntawm cov cuab yeej ruaj khov kom tswj tau.
16. Vim li cas thiaj siv kev tiv thaiv qib?
Teb: Vim tias qhov hluav taws xob qis hluav taws xob thiab kev faib khoom feem ntau siv cov khoom siv hluav taws xob faib hluav taws xob. Yog tias cov khoom tiv thaiv xau tsuas yog ntsia rau ntawm qhov kawg ntawm txoj kab (hauv lub thawv hloov), txawm hais tias txoj kab txhaum tuaj yeem raug txiav tawm thaum muaj dej ntws tawm, qhov kev tiv thaiv ntau me me; Zoo sib xws, yog tias tsuas yog cov ceg ntoo kab (hauv lub thawv faib khoom) lossis cov kab hauv lub cev (lub thawv loj loj) tau nruab Nruab lub qhov dej tiv thaiv, txawm hais tias qhov kev tiv thaiv ntau yog loj, yog tias qee yam khoom siv hluav taws xob xau thiab mus ncig, nws yuav ua rau tag nrho lub zog poob, uas tsis tsuas yog cuam tshuam rau kev ua haujlwm ntawm cov khoom tsis raug cai, tab sis kuj ua rau nws tsis yooj yim nrhiav qhov xwm txheej. Obviously, cov kev tiv thaiv no tsis txaus. qhov chaw. Yog li ntawd, cov kev cai sib txawv xws li kab thiab kev thauj khoom yuav tsum tau txuas nrog, thiab cov khoom tiv thaiv nrog cov yam ntxwv sib txawv ntawm cov dej xau yuav tsum tau muab tso rau ntawm cov kab hluav taws xob qis qis, ceg kab thiab kab kawg los tsim kom muaj kev tiv thaiv hluav taws xob sib txawv. Nyob rau hauv cov ntaub ntawv ntawm kev tiv thaiv qib, cov kev tiv thaiv kev xaiv ntawm txhua qib yuav tsum koom tes nrog ib leeg kom paub tseeb tias cov leakage protector yuav tsis overstep qhov kev txiav txim thaum muaj kev txhaum los yog tus kheej hluav taws xob poob siab tshwm sim thaum kawg; Nyob rau tib lub sijhawm, nws yuav tsum tau hais tias thaum tus neeg tiv thaiv qib qis ua tsis tiav, tus tiv thaiv qib siab yuav ua rau kho tus tiv thaiv qis dua. Kev ua tsis tiav. Kev siv cov kev tiv thaiv qib ua rau txhua yam khoom siv hluav taws xob muaj ntau tshaj li ob theem ntawm kev tiv thaiv kev tiv thaiv, uas tsis tsuas yog tsim kom muaj kev nyab xeeb ntawm kev ua haujlwm rau cov khoom siv hluav taws xob thaum kawg ntawm tag nrho cov kab hluav taws xob qis hluav taws xob, tab sis kuj muab ntau yam kev sib cuag ncaj qha thiab tsis ncaj rau tus kheej kev nyab xeeb. Tsis tas li ntawd, nws tuaj yeem txo qhov kev siv hluav taws xob tsawg thaum muaj teeb meem tshwm sim, thiab nws yooj yim los nrhiav thiab nrhiav qhov txhaum, uas muaj txiaj ntsig zoo rau kev txhim kho qib kev nyab xeeb ntawm kev siv hluav taws xob, txo cov hluav taws xob poob siab, thiab ua kom muaj kev nyab xeeb ntawm kev ua haujlwm.