UKUFIKA OKUSHA: I-Siemens SIPROTEC 4 7UM6211-6EB92-0CB0 I-Multifunction Motor Protection Relay Manje isisesitokweni
Siyajabula ukumemezela ukutholakala ngokushesha kwe-Siemens SIPROTEC 4 7UM6211-6EB92-0CB0 edluliselwe ukuvikela umshini wemisebenzi eminingi, isixazululo esibanzi sokuvikela samamotho asynchronous namadrayivu emboni. Le divayisi engu-1/2x19" efaka i-flush-mounting ihlinzeka okokufaka kanambambili okuyisikhombisa, ama-relay ayishumi nambili okukhiphayo kanye nokuxhumana ne-watchdog, iletha ukuvikela okuphelele kwemoto ngendlela ehlangene. Okokufaka kwamanje kwe-transformer kusekela i-1A yesibili enokutholwa kwephutha lomhlaba obucayi (IEE). I-relay isebenza ukusuka ku-110V ukuya ku-250V DC kanye ne-115V/230V ye-AC ye-voltage engu-30V, ne-AC yokufaka i-30V DC. Amatheminali e-Screw athatha izintambo eziqondile noma ama-ring lugs, asekela uxhumo oluqinile ezindaweni zezimboni ezinokhahlo Lolu cingo luhlanganisa amajika okuvikela okulungisekayo e-IEC/ANSI kanye nezilungiselelo zesifunda somhlaba ezinosekelo oluguquguqukayo lolimi, okuvumela ukusetshenziswa kuzo zonke izindawo zokukhiqiza zomhlaba wonke, izimboni zezinqubo, nezinhlelo zokusebenza zengqalasizinda ezibalulekile.

I-7UM6211-6EB92-0CB0 ihlinzeka ngemisebenzi yokuvikela ebanzi ehlanganisa i-ANSI 49 (i-thermal overload), 50/51 (i-overcurrent esheshayo/eyeqile), 66 (inhibit yokuqalisa kabusha), 48 (ukuqondisa isikhathi sokuqalisa kwemoto), kanye no-51V (i-overcurrent elawulwa yi-voltage). Ukumodela okushisayo kubala izinga lokushisa elijikajikayo le-stator kusetshenziswa izilinganiso ezihlukanisa umzimba owodwa, kucatshangelwa izinga lokushisa elipholile ngokufaka kwe-RTD. Izinketho zokuvikela iphutha lomhlaba le-rotor zifaka phakathi i-64R yendabuko kanye nezindlela ezizwelayo zomjovo we-square-wave we-1-3Hz ukuze zitholwe ngokumelana nokuguquka okuphezulu. Ama-relay monitors aqala okwamanje, izimo ze-rotor ezikhiyiwe, nesikhathi sokusheshisa, ukuvimbela ukuqala kabusha kuze kube yilapho izimo ezishisayo eziphephile zibuyiselwa. Imiphumela emine ye-analog (0-20mA) inikeza idatha yokusebenza yesikhathi sangempela ukuze ulawule amasistimu. I-metering ehlanganisiwe ithwebula amanani aphezulu, izilinganiso ezincane/ubukhulu, nezibalo zokusetshenziswa kwamandla. Izinga lokushisa elisebenzayo lisukela ku-20°C kuya ku-+55°C ngokuvikelwa kwangaphambili kwe-IP51. Isixhumi esibonakalayo sesistimu sisekela isigqila se-PROFIBUS DP nge-Port B engemuva, kuyilapho i-Port C inikeza uxhumano lwe-DIGSI/imodemu nge-RS485 ukuze uthole ukuhlonza okukude nokuphathwa kwepharamitha.
Umndeni we-SIPROTEC 7UM6 unikeza izixazululo zokuvikela ezibukhali zemishini ezungezisayo. I7UM6211-5EB92-0CB0ihlanganisa ukucushwa kwe-I/O okufanayo nezinye izinketho zesilinganiso se-CT. Ngomsebenzi wokuvikela othuthukisiwe, i7UM6221-5EB92-0CB0expands binary outputs to 20 in a full 1x19" housing. I7UM6225-6EB92-0CB0yamukela abasesekondari be-5A CT bezicelo eziphezulu zamanje. Amakhasimende adinga ukuboniswa kwesithombe angakhetha7UM6231-5EB92-0CB0nge-LCD ehlanganisiwe nezikhiye zokusebenza. I7UM6211-2EB91-0AA0inikeza okuhlukile kokukhweza phezulu kwedizayini yephaneli eguquguqukayo. Wonke amamodeli abelana ngama-algorithms okuvikela angaguquki, ukunemba kokulinganisa, nezinqubo zokuxhumana, okuvumela amasu ajwayelekile okuvikela izimoto kuzo zonke izindawo ezisetshenziswayo.