Yuav ua li cas xaim rau sab thib ob ntawm qhov qhib - hom tam sim no transformer

Aug 07, 2026|

I. Cov Lus Qhia Txog Kev Siv Hluav Taws Xob

1. Terminal Definitions: S1 yog lub thib ob sab davhlau ya nyob twg nrog tib polarity, S2 yog qhov tsis yog -polarity davhlau ya nyob twg, thiab xaim yuav tsum ua raws li lub hauv paus ntsiab lus ntawm rho polarity.

2. Conductor Requirements: Copper core conductors with a cross -sectional area>=2.5mm² yuav tsum tau siv. Kev siv nyias cov conductors raug txwv kom tsis txhob qhib circuits.

3. Cov kev xav tau hauv av: S2 lub davhlau ya nyob twg yuav tsum muaj kev ntseeg siab hauv ib qho chaw. Ntau cov ntsiab lus hauv av raug txwv los tiv thaiv kev cuam tshuam tam sim no nrog kev ntsuas qhov tseeb.

II. Cov txheej txheem xaim rau cov xwm txheej sib txawv

1. Ammeter Connection Scenarios: S1 txuas mus rau qhov zoo davhlau ya nyob twg ammeter, S2 txuas mus rau qhov tsis zoo davhlau ya nyob twg ammeter, thiab ib tug cais grounding hlau yog coj tawm ntawm S2.

2. Hluav taws xob ntsuas hluav taws xob sib txuas: S1 txuas mus rau qhov tam sim no coil inlet davhlau ya nyob twg ntawm lub ntsuas hluav taws xob, S2 txuas mus rau qhov hluav taws xob hluav taws xob tam sim no ntawm lub ntsuas hluav taws xob, thiab S2 muaj kev ntseeg siab hauv av los tiv thaiv kev ntsuas rov qab.

3. Kev Tiv Thaiv Kev Sib Txuas Sib Txuas Scenario: Txuas S1 mus rau lub davhlau ya nyob twg zoo ntawm cov cuab yeej tiv thaiv tam sim no, thiab S2 mus rau qhov tsis zoo ntawm cov cuab yeej tiv thaiv tam sim no. Lub grounding hlau yog nws tus kheej coj tawm.

4. Peb-Phase System Scenario: Tag nrho cov S2 terminals ntawm ntau yam tam sim no transformers yog txuas nrog nyob rau hauv parallel thiab ces grounded ntawm ib tug taw tes uas siv lub hnub qub kev twb kev txuas.

III. Cov Ntsiab Cai Kev Nyab Xeeb Ua Haujlwm

1. Ua raws li kev sib txuas ntawm cov kab thib ob ua ntej, tom qab ntawd kaw qhov tam sim no transformer qhib, tuav lub kaw qhov thib ob Circuit Court thoob plaws.

2. Nws yog nruj me ntsis txwv tsis pub rau nruab yooj yim disconnectable Cheebtsam xws li fuses los yog keyboards nyob rau hauv lub thib ob Circuit Court kom tsis txhob muaj kev pheej hmoo ntawm Circuit Court ntawm qhov chaw.

3. Tom qab xaim tiav lawm, siv lub multimeter los kuaj xyuas qhov txuas txuas mus ntxiv kom paub meej tias tsis muaj kev sib txuas xoob lossis tawg ua ntej pib ua haujlwm tom ntej.

What tests are needed after replacing a current transformer?

Xa kev nug