Ingabe Ukusetha Kwamanje kwe-RDJ2 Series Thermal Relay Kungalungiswa Ngokukhululekile? Susa imfihlakalo ku-Motor Protection Setting Logic kanye ne-Overload Threshold

Ekusebenzeni kwansuku zonke kokulawula izimboni, ukulungiswa kwemishini kanye nokufakwa kokusabalalisa ugesi, kukhona ukusebenza okuvamile okungafanele: opharetha abaningi bajika inkinobho yokulungisa yamanje ye-thermal relay ngokuthanda kwabo. Bacabanga nje ukuthi ukukhuphula ugesi kugwema ukukhubeka nokwehlisa kwenza ukuvikelwa kube bucayi kakhulu, bephatha ugesi wokusetha njengokushintsha okulungisekayo okunokuguquguquka okungahleliwe.

Ikakhulukazi uma uthathaUkudluliselwa kokushisa kochungechunge lwe-RDJ2 — idivayisi yokuvikela injini esebenza kabanzi futhi enembile kakhulu yezinga lezimboni — lokhu kulungiswa okungahleliwe okusekelwe kokuhlangenwe nakho kuzoholela ezinkingeni ezincane njengokukhubeka okungamanga njalo kanye nokuvalwa komugqa wokukhiqiza. Ezimweni ezimbi kakhulu, kuzoshisa ama-windings enjini, kubangele ukuphuka kwemishini, futhi kuzilethe ngisho nezingozi zokuphepha kagesi ezingaba khona.

Namuhla, sithatha i-People Electric RDJ2 series thermal relay njengengqikithi, sizochaza kahle ukuthi kungani i-setup current ye-thermal relay ingenakulungiswa ngokungahleliwe, sihlaziye i-logic ye-setting yobungcweti yokuvikela imoto, futhi sikuqondise ukuthi ulungiselele ngokunembile umkhawulo wokulayisha ngokweqile ukuze kusebenze imishini ephephile futhi ezinzile.

1. Phula Umbono Ongalungile: Izingozi Ezi-3 Ezifihliwe Zokulungisa Ngokungahleliwe Ukusetha I-Thermal Relay Current

Abasebenzisi abaningi banokuqonda okuyisisekelo kokuthiI-RDJ2 edluliselwe ngokushisa: akuyona inkinobho elula yokukhawulela yamanje, kodwaisiqaphi sokushisa sama-motor ezimboni. Umshini wokusetha (i-Ir) uwumkhawulo wokuvikela obalulekile, futhi isikali ngasinye silinganiswa ngokuqinile ngokuhambisana nezindinganiso zikagesi zomhlaba wonke kanye nezici zokuqina kwenjini. Ukulungiswa okungaboni kuzodala izingozi ezintathu ezinkulu ezilandelayo:

⭕️Ukusetha Okuphezulu Kakhulu → Ukwehluleka Okuphelele Kokuvikelwa Kwemoto

Uma ulungisa i-knob ibe yinani lamanje eliphakeme kakhulu, kufana nokususa isembozo sokuvikela ukuphepha semoto. Lapho imoto ihlangabezana nokugcwala ngokweqile, i-rotor ekhiyiwe noma ukulahleka kwesigaba, ugesi wesekethe ukhuphuka kakhulu, kodwa i-RDJ2 thermal relay yehluleka ukukhubeka ngesikhathi. Umugqa wangaphakathi we-bimetallic awukwazi ukuqala indlela yokukhubeka, okuholela ekushiseni okuqhubekayo kwama-motor windings, ukuguga kwezingqimba zokufaka umswakama, kanye nokushiswa unomphela kwemoto.

⭕️Ukusetha Okuphansi Kakhulu Kwamanje → Ukuphazamiseka Kokukhuhla Nokukhiqiza kwe-FFalse

Uma ugesi wokusetha ulungiswa uphansi kakhulu, i-thermal relay izokhubeka kusenesikhathi ngisho nangesikhathi sokuqalisa kwemoto okuvamile kanye nokushintshashintsha komthwalo wesikhashana. Ukuqala njalo kwamafeni, amaphampu amanzi, ama-conveyor kanye neminye imishini ngeke kuphazamise nje kuphela isimiso sokukhiqiza kodwa futhi kuzosheshisa ukuguguleka nokuguga kwama-contactor, ama-circuit breaker kanye nezinye izingxenye zikagesi.

⭕️Ukunganaki Ukuvikelwa Kokulahlekelwa Kwesigaba → Amaphutha Amancane Aphenduka Izingozi Ezinkulu

Ukusebenza kokulahlekelwa yisigaba kwama-motor anezigaba ezintathu kunokungalingani okukhulu kwamanje, okuyimbangela ephezulu yokusha kwe-motor. Uma i-setup current ingahambisani ne-motor rated current, umsebenzi wokuvikela ukulahlekelwa yisigaba owakhelwe ngaphakathi we-RDJ2 thermal relay uzohluleka ukusebenza ngokujwayelekile. Awukwazi ukusebenza ngokushesha lapho isigaba esisodwa sinqanyuliwe, ekugcineni okuholela ekugcwaleni ngokweqile kwezigaba ezimbili kanye nomonakalo we-motor.

Ngamafuphi: Umugqa wamanje wokusetha we-RDJ2 thermal relay uwumkhawulo wokuphepha olinganiswe ngobungcweti ohambisana nomugqa wamanje wenjini, izici zomthwalo kanye nezimo ze-ambient, futhi akumelwe neze ulungiswe ngokungahleliwe ngokuhlangenwe nakho.

2. Isimiso Sokusebenza se-RDJ2 Thermal Relay: Kungani Ukusetha Okuqinile Kuphoqelekile

Ukuze siqonde ukubaluleka kokusetshenziswa kwamandla kagesi okusetha okujwayelekile, sidinga kuqala ukuqonda isimiso sokusebenza esiyinhloko se-RDJ2 series thermal relay.

Uchungechunge lwe-RDJ2 (uhlobo lwe-LR2) luyi-umugqa we-bimetallic thermal overload edluliselwe, ifanele i-AC 50Hz/60Hz, i-voltage yokusebenza elinganisiwe ifinyelela ku-660V kanye nebanga lamanje elilinganisiwe lisukela ku-0.10A kuya ku-630A. Yenzelwe ngokukhethekile ukuvikela ukugcwala kwenjini kanye nokuvikela ukulahlekelwa yisigaba, ihambisana ngokugcwele nezindinganiso zomhlaba wonke ze-IEC60947-4-1.

Umqondo wayo wobungcweti wokuvikela ulandela umklamo oqinile wezimboni:

1. Isimiso Sokukhubeka Nge-Bimetallic Strip: Ugesi wesekethe ugeleza ngesakhi sokushisa, ugoba umugqa we-bimetallic ngokushisa, ucindezela isakhiwo esiguqayo somshini ukuze unqume isekethe yokulawula futhi umise imoto nge-contactor.

2. Isinxephezelo Sokushisa Okumaphakathi: Gcina ukunemba kokuvikela okuhambisanayo ngaphansi kwezinga lokushisa eliphakathi kusuka ku--5℃ kuya ku-+40℃, ngaphandle kokuphazamiseka kokuguquguquka kwezinga lokushisa.

3. Ukuvikelwa Kokulahlekelwa Kwesigaba Sokunemba: Thola ngokushesha ukungalingani kwamanje kwezigaba ezintathu bese uqalisa ukuvikelwa okuthembekile.

4. Imodi Yokusetha Kabusha Okubili: Isekela ukushintsha phakathi kokusetha kabusha okuzenzakalelayo kanye nokusetha kabusha ngesandla ukuze ivumelane nezimo ezahlukahlukene zokulungisa endaweni.

5. Inkinobho Yokuhlola Nokuma: Ukuhlolwa kwesikhathi sangempela kokuguquguquka kokukhubeka, okufakwe isembozo sokuvikela ukulwa nogesi kanye nedivayisi yokukhiya yokulwa nokungasebenzi kahle ukuze kusebenze ngokuphephile.

Ingqikithi yalo lonke uhlelo lokuvikela itholakala ku-ukusetha okwamanje — inquma umkhawulo wamanje kanye nesikhathi sesenzo sokuguqulwa kwe-bimetallic strip. Noma yikuphi ukuphambuka kusuka ekusethweni okujwayelekile kuzokhubaza lonke uhlelo lokuvikela imoto.

3. Ukuhlukaniswa Kwamanje Kwesethingi Yokudlulisa I-Thermal ye-RDJ2: Imodeli, Ububanzi Bokulungisa kanye Nomhlahlandlela Wokufaniswa

Uchungechunge lwe-RDJ2 luhlanganisa amamodeli amahlanu ajwayelekile:I-RDJ2-25, i-RDJ2-36, i-RDJ2-93, i-RDJ2-200, i-RDJ2-630, ngebanga lamanje lokusetha eliqala ku-0.1A kuya ku-630A. Ifanisa kahle ama-micro motors amancane namandla amakhulu nezinjini zezimboni ezinamandla aphezulu, futhi imodeli ngayinye inobubanzi bokulungisa obulinganiswe kahle.

⭕️Imodeli Eyinhloko kanye Nokusethwa Okujwayelekile Ububanzi Bamanje

Imodeli Yomkhiqizo	Isilinganiso samanje	Ukusetha Ububanzi Bokulungiswa Kwamanje	I-AC Contactor ehambisanayo
I-RDJ2-25	25A	0.1~0.16A / 0.16~0.25A / ... / 17~25A	CJX2-09~32
I-RDJ2-36	36A	23~32A / 28~36A	CJX2-32
I-RDJ2-93	93A	23~32A / 30~40A / ... / 80~93A	CJX2-40~95
I-RDJ2-200	200A	80~125A / 100~160A / 125~200A	CJX2-115~225
I-RDJ2-630	630A	160~250A / ... / 400~630A	CJX2-185~630

⭕️ Izici Zokukhubeka Kwekilasi Nokunqwabelana Komthwalo Ongaphezulu

I-RDJ2 thermal relay ilandela ngokuqinile amazinga kazwelonke kanye ne-IEC anezigaba zokugoba ezingaguquki:Isigaba 10A se-RDJ2-25/36futhiIsigaba 10 se-RDJ2-93/200/630. Umkhawulo wokulayisha ngokweqile kanye nesikhathi sesenzo kulinganiswe efektri futhi akunakushintshwa ngokungahleliwe:

● Ukusetha kwamanje izikhathi ezingu-1.05: Akukho senzo zingakapheli amahora angaphezu kwama-2 ngaphansi kwesimo sokubanda ukuqinisekisa ukusebenza okuvamile kwesikhathi eside ngaphansi komthwalo olinganisiwe.

● Ukusetha ugesi izikhathi ezingu-1.2: Kumelwe ushayeke zingakapheli amahora amabili ngaphansi kwesimo esishisayo ukuze uthole isivikelo esibalulekile sokulayisha ngokweqile.

● Ukusetha ugesi izikhathi ezingu-1.5: Hamba kungakapheli imizuzu emi-2 (Isigaba 10A) / imizuzu emi-4 (Isigaba 10) ukuze uthole ukuvikelwa okusheshayo ekucindezelweni ngokweqile okumaphakathi.

● Ukusetha kwamanje izikhathi ezingu-7.2: Hamba ngaphakathi kwemizuzwana engu-2 ~ 10 ngaphansi kwesimo sokubanda ukuvikela injini ezingozini ze-rotor ekhiyiwe kanye nezingozi ze-pre-short circuit.

Ngephutha lokulahlekelwa yisigaba sesithathu (ukungalingani kwamanje), i-RDJ2 isethwe ngomkhawulo ozinikele: izokhubeka zingakapheli amahora ama-2 lapho izigaba ezimbili ziphethe ugesi olinganiselwe kanye nesigaba esisodwa sivuliwe, okugwema ngokuphelele ukusha kwenjini okubangelwa ukulahleka kwesigaba.

Zonke izinhlaka zenzelwe ukufanisa ijika lokuqina kokushisa kwenjini. Ukusetha okungalungile kuzokwenza isikhathi sokusebenza singabi semthethweni futhi kulahlekelwe ukusebenza kokuvikela.

4. I-Logic Yokusetha Ukuvikelwa Kwemoto: Imithetho Ejwayelekile Yokufaniswa Kwe-RDJ2 Thermal Relay

Njengoba ukulungiswa okungahleliwe kungavunyelwe, ungayisetha kanjani i-current yokusetha efanele ye-RDJ2 ngendlela efanele? Umthetho oyinhloko uthi: Thatha i-current ekalwe yi-motor njenge-benchmark, bese wenza ukulungiswa okuhle ngokuya ngohlobo lomthwalo kanye nezimo ze-ambient, ukuhambisana ne-GB50055-2011 Code for Electrical Design of General Electric Equipment.

⭕️ Izimiso Zokubeka Indawo Yonke Zazo Zonke Izimo Zokusebenza

● Umthwalo ojwayelekile (amafeni, amaphampu amanzi, ama-conveyor): Ukusetha Umthamo Wamanje = Umthamo Wenjini Olinganiselwe × 0.95~1.05

● Umthwalo onzima wokuqalisa (ama-crusher, ama-ball mills, imishini yokunyathela): Ukusetha Ugesi Wamanje = Umshini Olinganiselwe Ugesi × 1.1~1.2 ukugwema ukukhubeka okungamanga okubangelwa ugesi wamanje wokuqalisa

● Imishini yokuma evamile (amakhreyini, ama-lifti): Setha ukusetha ugesi ube ugesi olinganiswe izikhathi ezingu-1.1 nge-RDJ2 yokunciphisa izinga lokushisa ukuze uvimbele ukunqwabelana kokushisa okungafanele

⭕️ Umhlahlandlela Wokusetha Isinyathelo Ngesinyathelo we-RDJ2 Thermal Relay

1.Hlola ipuleti lemoto bese uqophaugesi olinganiswe ngenjini (ngaphakathi)njengokuphela kwendlela yokulinganisa izilungiselelo.

2.Khetha imodeli efanele ye-RDJ2 ukuqinisekisa ukuthi ububanzi bokulungiswa kwe-relay bumboza ngokugcwele ugesi olinganiselwe yinjini.

3.Lungisa inkinobho bese uqondanisa umcibisholo nenani lamanje lokusetha elibaliwe, bese ukhiya idivayisi yokulwa nokungasebenzi kahle.

4.Cindezela inkinobho ethi TEST kuphaneli ye-RDJ2 ukuqinisekisa ukuguquguquka kokukhubeka.

5.Khetha ukusetha kabusha okuzenzakalelayo noma ukusetha kabusha ngesandla ngokwezidingo zangempela zokusebenza nokunakekelwa.

⭕️Ukulungiswa Kwesinxephezelo Sokushisa Kwendawo (Inzuzo Eyinhloko ye-RDJ2)

Ifakwe isinxephezelo sokushisa esakhelwe ngaphakathi, i-RDJ2 ivumelana nezimo zokusebenza ze--5℃ ~ + 40℃:

● Izinga lokushisa eliphakeme ngaphezu kuka-35℃: Lungisa ukusetha kwamanje kube izikhathi ezingu-0.9 zamanje ezilinganiselwe yinjini

● Izinga lokushisa eliphansi ngaphansi kuka-0℃: Lungisa isethingi yamanje kuze kube izikhathi ezingu-1.1 zamanje ezilinganiselwe yinjini

● Ukuphakama okungaphansi kuka-2000m okunendawo engagqwali futhi engenalo uthuli: Setha ngokwenani elijwayelekile elilinganiselwe ngqo