KUFIKA KWATSOPANO: Siemens SIPROTEC 4 7UM6211-6EB92-0CB0 Multifunction Motor Protection Relay Tsopano ili mu Stock
Ndife okondwa kulengeza za kupezeka kwaposachedwa kwa Nokia SIPROTEC 4 7UM6211-6EB92-0CB0 multifunction chitetezo relay, yankho lathunthu lachitetezo cha ma asynchronous motors ndi ma drive a mafakitale. Chida ichi cha 1/2x19" chokwera mothamanga chimakhala ndi zolowetsa zisanu ndi ziwiri, zolumikizira khumi ndi ziwiri kuphatikiza kukhudzana ndi wowonera, kumapereka chitetezo chokwanira chagalimoto mumtundu wocheperako. Zolowetsa zosinthira zamakono zimathandizira 1A yachiwiri yokhala ndi vuto lozindikira vuto la nthaka (IEE) Ma screw terminals amalola mawaya achindunji kapena mphete, zomwe zimathandizira kulumikizana mwamphamvu m'malo ovuta a mafakitale.

7UM6211-6EB92-0CB0 imapereka ntchito zambiri zoteteza magalimoto kuphatikiza ANSI 49 (kuchuluka kwamafuta), 50/51 (nthawi yomweyo/nthawi yochulukirapo), 66 (kuyambitsanso inhibit), 48 (kuyang'anira nthawi yoyambira), ndi 51V (voltage-controlled overcurrent). Matenthedwe otenthetsera amawerengera kutentha kwa stator pogwiritsa ntchito ma equation osiyanitsira thupi limodzi, poganizira kutentha kozizira kudzera pa zolowetsa za RTD. Zosankha zodzitchinjiriza za Rotor Earth-fault zimaphatikizapo 64R yachikhalidwe komanso njira zomvera za 1-3Hz square-wave jakisoni kuti zidziwike kudzera kukana kusintha kwakukulu. Ma relay oyang'anira kuyambira pano, zokhoma mikhalidwe ya rotor, ndi nthawi yothamangitsa, kutsekereza kuyambiranso mpaka kutentha kwabwino kubwezeretsedwa. Zotsatira zinayi za analogi (0-20mA) zimapereka deta yeniyeni yoyendetsera machitidwe. Ma metering ophatikizika amajambula nsonga zapamwamba, miyeso ya min/kuchuluka, ndi ziwerengero zogwiritsa ntchito mphamvu. Kutentha kogwira ntchito kumayambira -20 ° C mpaka +55 ° C ndi IP51 chitetezo chakutsogolo. Mawonekedwe adongosolo amathandizira kapolo wa PROFIBUS DP kudzera ku Port B yakumbuyo, pomwe Port C imapereka kulumikizana kwa DIGSI/modemu kudzera pa RS485 pakuwunika kwakutali ndi kasamalidwe ka magawo.
Banja la SIPROTEC 7UM6 limapereka njira zotetezera makina ozungulira. The7UM6211-5EB92-0CB0imakhala ndi masinthidwe ofanana a I/O okhala ndi zosankha zina za CT. Kuti muwonjezere magwiridwe antchito, y7UM6221-5EB92-0CB0imakulitsa zotuluka za binary mpaka 20 munyumba yonse ya 1x19". The7UM6225-6EB92-0CB0imakhala ndi othandizira a 5A CT pamapulogalamu apamwamba aposachedwa. Makasitomala omwe amafunikira chiwonetsero chazithunzi amatha kusankha7UM6231-5EB92-0CB0ndi LCD Integrated ndi makiyi ntchito. The7UM6211-2EB91-0AA0imapereka mawonekedwe okwera pamwamba pamapangidwe osinthika. Mitundu yonse imagawana ma algorithms otetezedwa, kulondola kwa miyeso, ndi njira zoyankhulirana, zomwe zimatheketsa njira zodzitchinjiriza zamagalimoto pamagawo onse.