Qhov txawv ntawm Tam Sim No Transformer (CT)&Peev Xwm Transformer (PT)
Sep 30, 2020
Tso lus
Qhov txawv ntawm Txiag tam sim no (CT)& Tej yam Transformer (PT)
Lub tshuab hluav taws xob tsis txuas ncaj qha rau lub ntsuas lossis tswj cov tshuab ntsuas hluav taws xob rau qhov ntsuas hluav taws xob kom nyab xeeb. Lub ntsuas hluav taws xob hloov xws li voltage transformer thiab transformer tam sim no yog siv rau kev sib txuas ntawm cov cuab yeej hluav taws xob rau cov khoom siv ntsuas.Qhov transformer txo qhov voltage thiab tam sim no los ntawm tus nqi siab mus rau tus nqi qis uas tuaj yeem ntsuas los ntawm cov twj paj nruag.
Kev tsim kho ntawm lub zog tam sim no thiab cov hloov pauv muaj peev xwm zoo ib yam li ob qho tib si sib nqus hauv lawv cov theem pib thiab theem ob txoj kab hluav taws xob. Tab sis lawv txawv nyob rau hauv txoj kev ntawm kev ua haujlwm. Muaj ntau ntau yam sib txawv ntawm qhov voltage thiab transformer tam sim no.
Ib qho ntawm qhov sib txawv nruab nrab ntawm lawv yog tias qhov hloov hluav taws xob tam sim no hloov qhov siab ntawm tam sim no mus rau tus nqi qis whereas lub peev xwm lossis voltage transformer hloov tus nqi siab ntawm cov hluav taws xob mus rau hluav taws xob tsawg. Qee lwm qhov sib txawv ntawm qhov tam sim no thiab muaj peev xwm hloov pauv tau piav qhia hauv qab no hauv daim qauv piv.
Cov ntsiab lus: Tam sim no Vs Muaj Peev Xwm Transformer
Daim Ntawv Sib Piv
Cov hauv paus rau kev sib piv | Tam Sim No Transformer | Muaj Peev Xwm Transformer |
Kev Txhais Tau | Txia qhov tam sim no los ntawm tus nqi siab rau tus nqi tsawg. | Txia qhov voltage los ntawm tus nqi siab rau tus nqi tsawg. |
Tub ntxhais | Feem ntau tsim tsa nrog lamination ntawm silicon hlau. | Nws yog tsim los ntawm cov qib high quality steel kev khiav haujlwm ntawm tsawg flux densities |
Kev Tiv Thaiv Thawj Zaug | Nws nqa tam sim no uas yuav tsum tau ntsuas | Nws nqa lub ntsuas hluav taws xob uas yog ntsuas. |
Thib Ob Winding | Nws txuas nrog rau qhov ntsuas tam sim no ntawm qhov ntsuas. | Nws txuas nrog rau cov taub lossis ntsuas. |
Kev Txuas Lus | Txuas txuas hauv series nrog ntsuas | Txuas txuas rau hauv parallel nrog lub ntsuas. |
Thawj kauj vab | Muaj feem tsawg ntawm cov lem | Muaj feem coob ntawm cov lem |
Circuit Court ob | Muaj coob ntawm cov lem thiab tsis tuaj yeem qhib Circuit Court. | Muaj qee tus me me ntawm lem thiab tuaj yeem qhib Circuit Court. |
Khwv | 5A lossis 1A | 110v |
Hloov pauv piv | Siab | Tsawg |
Ntsoov | Tsis nyob ntawm lub nra thib | Nyob ntawm lub nra lwm yam |
Cov lus qhia | Tas mus li tam sim no | Voltage Tas Nrho |
Tag nrho cov kab tam sim no | Tus thawj winding muaj cov kab tam sim no. | Tus thawj winding muaj qhov puv kab voltage. |
Cov hom | Ob hom (Qhov Cuam Tshuam thiab Xaus Kaw) | Ob hom (Electromagnetic thiab Capacitor voltage) |
Txhim nyog | Tsawg | Siab |
Cov ntawv thov | Ntsuas tam sim no thiab lub zog, saib xyuas cov phiajcim hluav taws xob, rau kev khiav haujlwm tiv thaiv relay, | Kev ntsuas, qhov ntsuas zog, kev khiav hauj lwm tiv thaiv relay, |
Cov Lus Txhais ntawm Tus Hloov Tam Sim No.
Ib qho hloov pauv tam sim no yog ib qho cuab yeej uas siv rau kev hloov ntawm tam sim no ntawm tus nqi ntau dua rau tus nqi qis dua nrog rau kev muaj peev xwm hauv ntiaj teb. Nws yog siv nrog AC ntsuas rau ntsuas qhov nqi siab ntawm tam sim no.
2Lub kab tam sim no dhau heev, thiab nws yog qhov nyuaj los ntsuas lawv ncaj qha. Yog li, qhov hloov pauv tam sim no yog siv uas txo tus nqi siab ntawm tam sim no rau hauv tus nqi afractional uas yooj yim ntsuas los ntawm ntsuas.
Lub hauv paus ntawm qhov tam sim no hloov hluav taws xob txuas ncaj qha rau kab uas nws tus nqi yog ntsuas.Qhov theem nrab ntawm lub tshuab hloov pauv tam sim no txuas nrog lub ammeter lossis 'meter' uas ntsuas tus nqi kab ntsig txog cov zauv feem.
Lus Txhais ntawm Potential Transformer
Kev hloov pauv voltage yog hom ntsuas qhov hloov pauv uas siv rau kev hloov ntawm qhov hluav taws xob los ntawm tus nqi siab dua rau tus nqi qis dua.
Lub davhlau ya nyob twg ntawm qhov hloov pauv tau txuas nrog rau kab rau ntsuas cov kab voltage. Lub peev xwm hloov tau txo tus nqi siab ntawm qhov hluav taws xob mus rau tus nqi me uas tuaj yeem ntsuas tau yooj yim los ntawm voltmeter lossis ntsuas dej.
Cov Sib Txawv Tseem Ceeb ntawm Qhov Tam Sim No thiab Cov Pauv Hloov Pauv
1.Txoj kev hloov hluav taws xob tam sim no hloov siab tus nqi siab tam sim no mus rau tus nqi qis kom nws yooj yim ntsuas los ntawm ntsuas qhov ntsuas ntawm qhov hloov hluav taws xob tuaj yeem hloov qhov siab ntawm voltage rau tus nqi qis.
2.Theprimary winding ntawm lub tshuab hluav taws xob tam sim no txuas nrog hauv kab nrog cov kab sib kis uas nws tam sim no yog ntsuas thaum tus neeg hloov pauv loj tau txuas nrog rau cov kab.
3. Qhov tseem ceeb ntawm qhov hloov hluav taws xob tam sim no yog ua nrog kev laminations ntawm cov hlau tsis huv. Cov tub ntxhais ntawm qhov muaj peev xwm hloov tau los nrog cov ua haujlwm siab ua haujlwm ntawm cov hluav taws xob tsawg.
4. Qhov pib sib txuam ntawm lub tshuab hluav taws xob tam sim no nqa lub zog tam sim no uas yuav tsum tau ntsuas uas tus thawj ntawm lub zog hloov pauv nqa qhov ntsuas.
5.Qhov thawj winding ntawm cov hloov pauv tam sim no muaj qee tus me me ntawm lem, whereas nyob rau hauv muaj peev xwm transformer thawj winding muaj ntau tus lej hloov.
6.Qhov theem nrab ntawm qhov hloov hluav taws xob tam sim no muaj ntau ntawm cov lem, thiab nws tsis tuaj yeem qhib lub voj voog thaum nws nyob hauv cov kev pabcuam. Qhov kev sib hloov thib ob ntawm lub peev xwm hloov tau muaj me me ntawm lem, thiab nws tuaj yeem qhib qhib Circuit Court thaum cov kev pabcuam.
7.Qhov feem ntau ntawm cov hluav taws xob hloov pauv tam sim no rau ntsuas qhov tam sim no yog 5A lossis 1A hos qhov hluav taws xob cov qauv ntawm qhov ntsuas hluav taws xob theem ob ntawm qhov muaj peev xwm hloov tau mus txog 110V.
8.Qhov kev hloov pauv ntawm qhov hloov pauv tam sim no ib txwm nyob siab, qhov uas ua rau muaj qhov hloov pauv nws cov seem qis.
oNote: Qhov sib piv hloov ntawm qhov tam sim no thiab qhov hloov hluav taws xob txhais tau tias yog qhov sib piv ntawm cov rated thawj voltage rau lub ntsuas hluav taws xob theem ob.
9. Lub tswv yim ntawm lub tshuab hluav taws xob tam sim no yog qhov hloov tas li, qhov uas cov tswv yim ntawm cov hloov hluav taws xob tuaj yeem yog qhov hluav taws xob tas li.
10.The thawj windingof lub tshuab hluav taws xob tam sim no tsis nyob ntawm lub nra ntawm cov hluav taws xob theem ob ntawm lub tshuab hloov pauv; nws nyob ntawm qhov dej ntws tam sim no hauv cov thawj kab hluav taws xob whereas thawj lub zog ntawm kev hloov pauv muaj nyob ntawm lub nra ntawm cov kab hluav taws xob theem ob.
oNote: Burden yog qhov haujlwm thauj thib ob ntawm lub tshuab hloov pauv.
11.The thawj kev sib hloov ntawm qhov hloov hluav taws xob tam sim no txuas ncaj qha rau tag nrho cov kab tam sim no uas nws qhov tam sim no yuav tsum tau ntsuas qhov chaw nyob rau hauv qhov muaj peev xwm hloov tau cov kab hluav taws xob tag nrho txuas nrog lub davhlau ya nyob twg.
12.Qhov impedance ntawm thawj winding ntawm lub transformer yog heev tsawg li muab piv rau theem nrab winding whereas nyob rau hauv lub zog transformer, lub impedance ntawm thawj winding yog siab.
oNote: Impedance yog qhov fab ntxeev ntawm qhov tam sim no muab los ntawm Circuit Court thaum qhov voltage tau thov thoob lawv.
13.The transformer tam sim no feem ntau yog siv rau kev ntsuas qhov ntau ntawm qhov tam sim no uas lub 'meter' lossis ntsuas tsis tau yooj yim ntsuas qhov nruab nrab ntawm qhov hloov hluav taws xob tau siv rau kev ntsuas qhov ntsuas qhov siab ntawm qhov tam sim no.
Taw tes rau Nco: Lub tshuab hluav taws xob hloov pauv tam sim no feem ntau yog siv los tiv thaiv kev tiv thaiv vim tias nws txo qhov siab ntawm qhov tseem ceeb tam sim no rau tus nqi tsim nyog rau kev xa rov qab. Tus hloov hluav taws xob tam sim no tseem muab cov rwb thaiv tsev tawm tsam qhov hluav taws xob siab ntawm lub zog hluav taws xob thiab yog li tiv thaiv cov khoom siv thiab cov neeg ua haujlwm los ntawm qhov ntsuas hluav taws xob.
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