UKUFIKA OKUTSHA: I-Siemens SIPROTEC 4 7UM6211-6EB92-0CB0 i-Multifunction Motor Protection Relay ngoku ikwi-Stock
Siyavuya ukwazisa ukufumaneka ngokukhawuleza kwe-Siemens SIPROTEC 4 7UM6211-6EB92-0CB0 i-multifunction machine protection relay, isisombululo esibanzi sokukhusela ii-motor asynchronous kunye ne-industrial drives. Esi sixhobo se-1/2x19" sokugungxulwa sibonelela amagalelo asixhenxe, iireyilayi ezilishumi elinesibini kunye noqhagamshelwano lwedogdog, ukuhambisa ukhuseleko olupheleleyo lwemoto kwifom yefom ebambeneyo. Amagalelo angoku esiguquli axhasa u-1A wesibini ngofunyaniso olubuthathaka lomhlaba (IEE). Ugqithiso lusebenza ukusuka kwi-110V ukuya kwi-250V DC kunye ne-115V/230V ye-AC yokufaka i-voltage ye-30V ye-DC. Iitheminali ze-Screw zithatha ii-wiring ezithe ngqo okanye ii-ring lugs, ezixhasa uqhagamshelo oluluqilima kwiindawo ezirhabaxa zemizi-mveliso Isixhobo sibonisa i-IEC/ANSI iigophe ezilungisekayo zokhuseleko kunye nezicwangciso zommandla wehlabathi ezinenkxaso yolwimi eguqukayo, evumela ukusasazwa kuwo wonke amaziko okwenziwa kwehlabathi, amashishini enkqubo, kunye nezicelo zeziseko ezingundoqo.

I-7UM6211-6EB92-0CB0 inikezela ngemisebenzi yokukhusela i-motor ebanzi kuquka i-ANSI 49 (i-thermal overload), i-50/51 (i-instantaneous / time overcurrent), i-66 (i-restart inhibit), i-48 (ulawulo lwexesha lokuqalisa i-motor), kunye ne-51V (i-voltage-controlled overcurrent). Imodeli ye-Thermal ibala ubushushu bomoya we-stator usebenzisa i-equations ezahlukeneyo zomzimba omnye, kuthathelwa ingqalelo ubushushu bokupholisa ngamagalelo e-RTD. Iinketho zokukhusela umhlaba we-Rotor zibandakanya i-64R yendabuko kunye neendlela ze-1-3Hz zesikwele-amaza esikwele ukuze zibonwe ngokuchasa inguqu ephezulu. Iimonitha ze-relay ziqala ngoku, iimeko ze-rotor ezivaliweyo, kunye nexesha lokukhawuleza, ukuvimba ukuqalisa kwakhona kuze kube yilapho iimeko ezikhuselekileyo ze-thermal zibuyiselwa. Iziphumo ezine ze-analog (0-20mA) zibonelela ngedatha yokusebenza ngexesha langempela kwiinkqubo zokulawula. Ukulinganisa okudityanisiweyo kubamba amaxabiso encopho, imilinganiso emincinci/ubuninzi, kunye neenkcukacha zokusetyenziswa kwamandla. Iqondo lokushisa elisebenzayo lihamba -20 ° C ukuya +55 ° C kunye ne-IP51 yokukhusela ngaphambili. Ujongano lwenkqubo luxhasa ikhoboka lePROFIBUS DP ngePort B yangasemva, ngelixa iPort C ibonelela ngeDIGSI/modem yoqhagamshelo ngeRS485 yokuxilongwa okude kunye nolawulo lweparameter.
Usapho lwe-SIPROTEC 7UM6 lubonelela ngezisombululo zokhuseleko olunokwehla koomatshini abajikelezayo. I7UM6211-5EB92-0CB0iimpawu ezifanayo zoqwalaselo kunye nezinye iindlela zomlinganiselo weCT. Ukuphucula ukusebenza kokhuseleko, i7UM6221-5EB92-0CB0yandisa iziphumo zokubini ukuya kuma-20 kwindawo epheleleyo eyi-1x19" yendlu. I7UM6225-6EB92-0CB0ithatha abaxhasi be-5A CT kwizicelo eziphezulu zangoku. Abathengi abafuna umboniso womzobo banokukhetha i7UM6231-5EB92-0CB0nge-LCD edibeneyo kunye nezitshixo zokusebenza. I7UM6211-2EB91-0AA0ibonelela ngokwahluka komphezulu woyilo lwephaneli ebhetyebhetye. Zonke iimodeli zabelana nge-algorithms yokukhusela engaguqukiyo, ukuchaneka komlinganiso, kunye neeprothokholi zonxibelelwano, okwenza amaqhinga asemgangathweni okhuseleko lweemoto kulo lonke uncedo-jikelele.