Yuav ua li cas rau nruab ib tug split core transformer

Phau ntawv qhia no muab cov kauj ruam -los ntawm- cov lus qhia kauj ruam rau kev nyab xeeb thiab raug kev teeb tsa ntawm kev sib cais-core tam sim no transformer. Kev txhim kho kom zoo yog qhov tseem ceeb rau kev ua kom cov neeg ua haujlwm muaj kev nyab xeeb, tiv thaiv cov khoom siv, thiab ua tiav qhov ntsuas qhov tseeb tau teev tseg los ntawm cov chaw tsim khoom.

Theem 1: Ua ntej-Kev teeb tsa - Kev Nyab Xeeb & Kev Npaj

1.1 Kev Nyab Xeeb Ua Ntej - Txoj Cai Golden

• De- zog yog tias ua tau:Txoj kev nyab xeeb tshaj plaws yog los nruab CT ntawm tus de-energized conductor. Koom tes nrog kev tswj chaw rau kev npaj kaw hluav taws xob.
• Nco ntsoov tias cov neeg ua haujlwm nyob hauv:Yog tias kev teeb tsa yuav tsum tau ua nyob rau hauv cov neeg ua haujlwm nyob (qhov kev siv ib txwm siv - rooj plaub rau kev sib cais- core CTs), koj yuav tsum yogtsim nyog electriciantau kawm hauv kev ua haujlwm ntawm cov khoom siv zog.
• Siv PPE kom zoo:Hnav cov cuab yeej tiv thaiv tus kheej tsim nyog (PPE) nrog rau qhov hluav taws xob- cov hnab looj tes ntsuas, tsom iav kev nyab xeeb, thiab nplaim taws- khaub ncaws tiv taus.
• Ua raws li Local Codes:Ua raws li tag nrho cov cai siv hluav taws xob hauv teb chaws thiab hauv zos thiab cov cai tswj kev nyab xeeb.

1.2 Cov cuab yeej thiab Kev Npaj

Sau koj cov cuab yeej: Insulated screwdrivers, torque wrench (yog tias teev los ntawm CT chaw tsim khoom), multimeter muaj peev xwm ntsuas AC voltage thiab txuas ntxiv.

• Nyeem phau ntawv qhia:Ua tib zoo tshuaj xyuas cov ntaub ntawv thiab cov ntawv qhia kev teeb tsa rau koj tus qauv CT tshwj xeeb. Nco ntsoov nwsrated tam sim no, tso zis hom (e.g., 5A, 1A, 0.333V), chav kawm raug, thiab tej yam tshwj xeeb mounting los yog torque yuav tsum tau.
• Tshawb xyuas CT:Tshawb xyuas qhov sib cais-cov vaj tsev tseem ceeb rau kev tawg lossis puas tsuaj. Xyuas kom qhov qhib / kaw mechanism ua haujlwm zoo thiabxauv ruaj ntseg. Lub mating nto ntawm cov tub ntxhais yuav tsum huv si thiab tsis muaj khib nyiab.

Theem 2: Kev teeb tsa - Kauj Ruam -los ntawm - Cov txheej txheem txheej txheem

Kauj ruam 1: Qhia tus neeg xyuas pib thiab qhov chaw

• Xaiv ib tus neeg xyuas pib koj xav ntsuas (piv txwv li, ib theem ntawm peb -theem system).
• Tseem ceeb: Tsis txhob nruab qhov sib cais -core CT nyob ib ncig ntawm ntau tus neeg xyuas pib(piv txwv li, ib lub cable uas muaj nyob thiab nruab nrab). Cov teb sib nqus yuav tshem tawm, ua rau ze rau - xoom nyeem ntawv.
• Xaiv qhov chaw uas siv tau, nyob deb ntawm qhov kub thiab txias heev, thiab qhov chaw CT tuaj yeem txuas tau ruaj ntseg. Xyuas kom muaj qhov chaw txaus los qhib CT tag nrho.

Kauj Ruam 2: Mounting CT (Yog xav tau)

• Ntau qhov sib cais- cov tub ntxhais CTs tuaj nrog lub mounting bracket lossis pluaj. Ruaj ntseg CT'stsau ib nrabmus rau qhov chaw xaiv (xws li, DIN rail, vaj huam sib luag phab ntsa, los yog siv nws txoj hlua khi ib ncig ntawm lub cable nws tus kheej). Mounting nws thawj zaug muab stability.
• Cia qhov chaw txav tau dawb qhib thiab tau txais tus neeg xyuas pib.

Kauj Ruam 3: Muab tso rau hauv thiab kaw qhov Core

• Qhib Latch / Mechanism:Tso lub xauv mechanism thiab qhib tag nrho CT.
• Center tus neeg xyuas pib:Tso lub CT kom covconductor khiav los ntawm qhov chaw heevntawm lub qhov rais ncig. Qhov no txo ​​qhov ntsuas qhov yuam kev.
• Kaw thiab kaw ruaj ntseg:Maj mam kaw ob sab ntawm lub hauv paus. Koj yuav tsum xav thiab hnov ​​​​qhov zoo "nias" lossis koom nrog cov txheej txheem kaw kom tiav.Kev ruaj ntseg, kaw nruj yog qhov tseem ceeb rau qhov raug.Kev kaw tsis raug tsim muaj qhov sib txawv ntawm huab cua, ua rau kev ua haujlwm tsis zoo.

Kauj Ruam 4: Kev ruaj ntseg CT

• Yog tias siv ib lub pluaj cais, muab nws nyob ib ncig ntawm lub kaw CT thiab cov hlua khi hlua khi kom muab cov hlua khi thiab tiv thaiv kev txav mus los.
• Xyuas kom lub CT ruaj khov thiab yuav tsis raug txav los ntawm kev co cable lossis kev sib cuag tsis raug.

Kauj Ruam 5: Txuas lub Secondary Circuit Court

• Short lub Secondary Ua ntej Txuas:Rau CTs nrog cov zis tam sim no (piv txwv li, 5A, 1A), nws yog auniversal kev ruaj ntseg txoj caikom cov terminals thib ob luv luv -circuited nrog ib tug shorting thaiv los yog jumper hlaukom txog thaum lawv txuas nrog lub ntsuas ntsuas.Qhov qhib -Circuited CT tuaj yeem tsim cov hluav taws xob txaus ntshai, ua rau muaj kev poob siab thiab hluav taws kub.
• Txuas mus rau Metering Device:Khiav cov lus qhia qis -voltage teeb liab xov hlau los ntawm CT lub thib ob terminals (feem ntau sau npe S1 thiab S2) mus rau lub input terminals ntawm koj lub zog ntsuas, cov ntaub ntawv logger, los yog relay.
• Tam sim no tso zis CTs:Txuas mus rau tam sim no input terminals.Tshem lub shorting jumper thaum qhov kev sib txuas ruaj ntseg.
• Voltage Output CTs (piv txwv li, 0.333V):Cov no yeej muaj kev nyab xeeb los ntawm kev qhib - cov teeb meem hauv Circuit Court. Txuas ncaj qha mus rau qhov voltage input terminals ntawm koj lub cuab yeej.
• Saib Polarity:Txuas S1 rau qhov zoo / kab tawm tswv yim thiab S2 rau qhov tsis zoo / nruab nrab cov tswv yim ntawm koj lub ntsuas. Cov polarity tsis raug yuav ua rau rov qab nyeem ntawv.

Theem 3: Tshaj tawm -Kev Tshawb Fawb & Kev daws teeb meem

Kauj Ruam 1: Kev kuaj pom thiab lub cev

Muab ob npaug rau- xyuas tias CT raug kaw, mounted ruaj ntseg, thiab tag nrho cov xov hlau txuas yog nruj.

Kauj ruam 2: System Verification

Energize lub system (yog tias tsis tau nyob).

Txheeb xyuas cov ntawv nyeem ntawm koj lub ntsuas hluav taws xob sib txuas lossis kev saib xyuas.

Ua akev kuaj xyuas: Sib piv cov ntsuas tam sim no nrog cov kev paub txog kev thauj khoom lossis nrog lub ntsuas ntsuas ntsuas qhov ntsuas. Lawv yuav tsum nyob ze, suav nrog CT qhov tseeb.

Kauj Ruam 3: Kev daws teeb meem ntau yam teeb meem

Tsis Nyeem lossis Zero -Zero Reading:

• Ua rau:CT yog qhib-circuited, xaim tsis raug, lossis ntsia ib ncig ntawm ntau lub conductors uas tshem tawm cov flux.
• Kho:Txheeb xyuas cov kab txuas txuas ntxiv, xyuas kom CT raug kaw / kaw, thiab xyuas nws tsuas yog nyob ib puag ncig ib tus neeg xyuas pib.

Kev nyeem ntawv tsis raug lossis tsis ruaj khov:

• Ua rau:Cov tub ntxhais kaw tsis zoo (qhov sib txawv ntawm huab cua), tus neeg xyuas pib tsis nyob hauv nruab nrab, muaj zog sab nraud sib nqus ntawm cov hluav taws xob nyob ze, lossis lub nra sib txuas (meter impedance) siab dhau rau CT.
• Kho:Re- zaum thiab kaw lub CT kom ruaj khov. Cais nws los ntawm lwm lub hwj chim cables los ntawm tsawg kawg ob peb zaug nws txoj kab uas hla. Txheeb xyuas koj qhov ntsuas qhov ntsuas qhov ntsuas qhov sib npaug ntawm CT cov zis.

Audible Hum lossis Vibration:

• Ua rau:Cov tub ntxhais xoob xoob, tsis zoo ntawm qhov sib cais ntawm qhov chaw sib nqus, los yog sib nqus saturation vim DC offset ntau dhau los yog muaj kev sib haum xeeb heev.
• Kho:Xyuas kom lub CT kaw tag nrho thiab kaw. Tshawb xyuas cov khib nyiab ntawm lub ntsej muag mating.

Summary: Cov Ntsiab Lus Rau Kev Ua Tau Zoo

• Kev nyab xeeb yog qhov tseem ceeb.Kho txhua tus neeg ua haujlwm ua neej nyob tshwj tsis yog tias muaj pov thawj ua lwm yam.
• Ib tus neeg xyuas pib rau CT.Tsis txhob thaiv ntau yam conductors.
• Kaw thiab kaw ruaj khov.Kev ruaj ntseg tshuab kaw yog ib qho tseem ceeb tshaj plaws rau qhov raug.
• Center tus neeg xyuas pib.Muab tso rau hauv nruab nrab ntawm lub qhov rais.
• Tsis txhob qhib -Circuit a Current Output CT.Khaws qhov thib ob luv kom txog thaum txuas nrog lub 'meter'.
• Xyuas thiab sau npe.Nco ntsoov xyuas koj txoj haujlwm thiab sau npe rau CT rau yav tom ntej siv.

Los ntawm kev ua raws li cov lus qhia no, koj yuav ua kom muaj kev nyab xeeb, txhim khu kev qha, thiab raug teeb tsa ntawm koj qhov kev sib cais -core tam sim no transformer, ua kom muaj kev saib xyuas lub zog zoo, kev tiv thaiv kab mob, thiab kev tau txais cov ntaub ntawv.

Yog xav paub ntxiv, thov hu rau peb ntawmsales@xfullstar.com