Ngaba i-Setting Current ye-RDJ2 Series Thermal Relay ingalungiswa ngokukhululekileyo? Ukucacisa i-Demystifying Motor Protection Setting Logic kunye ne-Overload Threshold

Kwimisebenzi yemihla ngemihla yolawulo lwemizi-mveliso, ukugcinwa kwezixhobo kunye nokufakelwa kombane, kukho umsebenzi ongaqhelekanga ongafanelekanga: abaqhubi abaninzi bajika iqhosha lokulungisa langoku le-thermal relay ngokuthanda kwabo. Bacinga nje ukuba ukukhuhla la mandla kuyakuthintela ukukhubeka nokuhla kwenza ukhuseleko lube buthathaka ngakumbi, bethatha la mandla okuseta njengeswitshi ehlengahlengiswayo enokuguquguquka okungacwangciswanga.

Ingakumbi xa uthathaI-RDJ2 series thermal relay — isixhobo sokukhusela iimoto esisebenza ngokubanzi nesichanekileyo kwimizi-mveliso — olu hlengahlengiso olusekelwe kumava luza kukhokelela kwiingxaki ezincinci ezifana nokukhubeka rhoqo okungeyonyani kunye nokuvalwa kwemigca yemveliso. Kwiimeko ezinzima, iya kutshisa ii-windings zeemoto, ibangele ukwaphuka kwezixhobo, kwaye izise neengozi zokhuseleko lombane.

Namhlanje, sithatha i-People Electric RDJ2 series thermal relay njengeyona nto iphambili, siza kuchaza kakuhle ukuba kutheni i-set current ye-thermal relay ingenakulungiswa ngokungacwangciswanga, sihlalutye i-setting logic yobungcali yokukhusela imoto, kwaye sikukhokele ekumiseleni ngokuchanekileyo umda wokugqithisa ukuze kusetyenziswe izixhobo ngokukhuselekileyo nangokuzinzileyo.

1. Phulaphula Ingcamango Engachanekanga: Iingozi ezi-3 ezifihlakeleyo zokulungisa ngokungacwangciswanga i-Thermal Relay Setting Current

Uninzi lwabasebenzisi lunembono ephosakeleyo malungaI-RDJ2 thermal relay: ayilulo utshintsho olulula lokunciphisa umbane, kodwa yi-isixhobo sokujonga ubushushu kwiimoto zoshishino. Umsinga wokuseta (Ir) ngumlinganiselo wokhuseleko obalulekileyo, kwaye isikali ngasinye silinganiswa ngokungqongqo ngokuhambelana nemigangatho yombane yamazwe ngamazwe kunye neempawu zokunyamezela kwemoto. Ukulungiswa kokungaboni kuya kubangela ezi ngozi zintathu zilandelayo:

⭕️Ukuseta Okuphezulu Kakhulu → Ukusilela Okupheleleyo Kokhuseleko Lwemoto

Ukuba ulungisa iqhosha libe yixabiso langoku eliphezulu kakhulu, kufana nokususa isigqubuthelo sokhuseleko semoto. Xa imoto idibana nokugqithiswa kakhulu, i-rotor etshixiweyo okanye ukulahleka kwesigaba, umsinga wesekethe unyuka kakhulu, kodwa i-RDJ2 thermal relay ayiphumeleli ukukhubeka ngexesha. I-internal bimetallic strip ayinakubangela indlela yokukhubeka, nto leyo ekhokelela ekutshisweni okuqhubekayo kwee-motor windings, ukuguga kwee-insulation layers, kunye nokutsha kwemoto okungapheliyo.

⭕️Ukuseta okuphantsi kakhulu → Ukuphazamiseka kwemveliso kunye nokuKhubeka kwe-FFalse

Ukuba umsinga wokuseta ulungisiwe uphantsi kakhulu, i-thermal relay iya kukhubeka kwangaphambili nangona injini iqala ukusebenza rhoqo kunye nokuguquguquka komthwalo wexeshana. Ukuqala rhoqo kweefeni, iimpompo zamanzi, ii-conveyors kunye nezinye izixhobo akuyi kuphazamisa nje ishedyuli yemveliso kodwa kuya kukhawulezisa ukuguguleka nokuguga kwee-contactors, ii-circuit breakers kunye nezinye izinto zombane.

⭕️Ukungayinaki iNkqubo yoKhuseleko lokulahlekelwa yiSigaba → Iziphene ezincinci ziguquka zibe ziingozi ezinkulu

Ukusebenza kokulahleka kwesigaba kweemoto ezinezigaba ezintathu kubonisa ukungalingani okukhulu kwamandla ombane, nto leyo ebangela ukutsha kwemoto. Ukuba amandla okuseta awahambelani namandla ombane alinganiswe yimoto, umsebenzi wokukhusela ukulahlekelwa kwesigaba esakhelwe ngaphakathi kwi-RDJ2 thermal relay uya kusilela ukusebenza ngokuqhelekileyo. Ayinakusebenza ngokukhawuleza xa isigaba esinye siqhawukile, ekugqibeleni ikhokelele ekugqithiseni kakhulu kwesigaba esibini kunye nomonakalo wemoto.

Ngamafutshane: Umlinganiselo wobushushu we-RDJ2 thermal relay ngumlinganiselo wokhuseleko olinganiswe ngobuchule ohambelana nomlinganiselo wobushushu wemoto, iimpawu zomthwalo kunye neemeko zokusingqongileyo, kwaye akufuneki uhlengahlengiswe ngokungacwangciswanga ngamava.

2. Umgaqo wokusebenza we-RDJ2 Thermal Relay: Kutheni ukuseta okungqongqo kuyimfuneko

Ukuze siqonde ukubaluleka komgangatho wokuseta umsinga, kufuneka siqale siqonde umgaqo oyintloko wokusebenza kwe-RDJ2 series thermal relay.

Uthotho lwe-RDJ2 (uhlobo lwe-LR2) luyintoi-bimetallic strip thermal overload relay, ifanelekile kwi-AC 50Hz/60Hz, i-voltage yokusebenza elinganisiweyo ukuya kuthi ga kwi-660V kunye noluhlu lwangoku olulinganisiweyo ukusuka kwi-0.10A ukuya kwi-630A. Yenzelwe ngokukodwa ukhuseleko lokugqithiswa kwemoto kunye nokhuseleko lokulahleka kwesigaba, ihambelana ngokupheleleyo nomgangatho wamazwe ngamazwe we-IEC60947-4-1.

Ingqiqo yayo yokhuseleko lobuchwephesha ilandela uyilo olungqongqo lwemizi-mveliso:

1. Umgaqo wokuKhubeka kwiBimetallic Strip: Umsinga wesekethe uhamba ngesixhobo sokufudumeza, ugoba umcu we-bimetallic ngobushushu, utyhala isakhiwo sokukhubeka koomatshini ukuze usike isekethe yokulawula kwaye umise imoto nge-contactor.

2. Imbuyekezo yobushushu obuphakathi: Gcina ukuchaneka kokhuseleko rhoqo phantsi kobushushu obuphakathi ukusuka kwi -5℃ ukuya kwi +40℃, ngaphandle kokuphazamiseka kokuguquguquka kobushushu.

3. Ukhuseleko lokulahleka kweSigaba sokuGqibela: Khawuleza ukuchonga ukungalingani kwangoku kwezigaba ezintathu uze uqalise ukhuseleko oluthembekileyo.

4. Imo yokuHlaziya kabini: Ixhasa ukutshintsha phakathi kokuseta ngokuzenzekelayo kunye nokuseta ngesandla ukuze ivumelane neemeko ezahlukeneyo zokugcinwa kwendawo.

5. Iqhosha lovavanyo kunye nokumisa: Ukuhlolwa kwangexesha lokwenyani kokuguquguquka kokukhubeka, okuxhotyiswe ngesiciko sokukhusela umbane kunye nesixhobo sokutshixa esichasene nokusetyenziswa kakubi ukuze kusetyenziswe ngokukhuselekileyo.

Isiseko sayo yonke inkqubo yokukhusela siseuseto lwangoku — imisela umda wangoku kunye nexesha lesenzo sokuguqulwa kwe-bimetallic strip. Nakuphi na ukuphambuka kwisetingi eqhelekileyo kuya kuyicima yonke inkqubo yokukhusela imoto.

3. Ukwahlulwa kwangoku kwe-RDJ2 Thermal Relay Setting: Imodeli, uLungelelwaniso kunye neSikhokelo sokuMatanisa

Uthotho lweRDJ2 lugubungela iimodeli ezintlanu eziphambili:RDJ2-25, RDJ2-36, RDJ2-93, RDJ2-200, RDJ2-630, enoluhlu lwangoku olusetwayo oluqala kwi-0.1A ukuya kwi-630A. Ihambelana ngokugqibeleleyo neemoto ezincinci ezinamandla amancinci kunye neemoto zoshishino ezinamandla aphezulu, kwaye imodeli nganye inoluhlu lohlengahlengiso olulinganisiweyo ngokuchanekileyo.

⭕️Imodeli Engundoqo kunye Noseto Oluqhelekileyo Uluhlu Lwangoku

Imodeli yeMveliso	Ikaliwe ngoku	Ukuseta Uluhlu Lohlengahlengiso Lwangoku	Isinxibelelanisi se-AC esifanelekileyo
RDJ2-25	25A	0.1~0.16A / 0.16~0.25A / ... / 17~25A	CJX2-09~32
RDJ2-36	36A	23~32A / 28~36A	CJX2-32
RDJ2-93	93A	23~32A / 30~40A / ... / 80~93A	CJX2-40~95
RDJ2-200	200A	80~125A / 100~160A / 125~200A	CJX2-115~225
RDJ2-630	630A	160~250A / ... / 400~630A	CJX2-185~630

⭕️ Iimpawu zeKlasi yokuKhubeka kunye neMigqaliselo yokuGqibela

I-RDJ2 thermal relay ilandela ngokungqongqo imigangatho yesizwe neye-IEC eneeklasi zokuthambekela ezisisigxina:Iklasi 10A ye-RDJ2-25/36kwayeIklasi ye-10 ye-RDJ2-93/200/630. Umlinganiselo wokugqithisa kunye nexesha lesenzo zilinganiswe efektri kwaye azinakutshintshwa ngokungacwangciswanga:

● Ukuseta umbane ngokuphindwe ka-1.05: Akukho ntshukumo ngaphakathi kweeyure ezingaphezu kwe-2 phantsi kwemeko yokubanda ukuqinisekisa ukusebenza okuqhelekileyo kwexesha elide phantsi komthwalo olinganisiweyo.

● Ukuseta umbane amaxesha ali-1.2: Kufuneka ukhubeke kwiiyure ezi-2 xa ushushu ukuze ukhuseleke kakhulu.

● Ukuseta umsinga wamandla amaxesha ali-1.5: Hamba ngaphakathi kwemizuzu emi-2 (iKlasi 10A) / imizuzu emi-4 (iKlasi 10) ukuze ukhuseleke ngokukhawuleza ekugqithiseni okuphakathi.

● Ukuseta umsinga wamandla amaxesha angama-7.2: Hamba ngaphakathi kwemizuzwana emi-2 ukuya kweli-10 phantsi kwemeko yokubanda ukukhusela injini kwi-rotor etshixiweyo kunye neengozi zesekethe emfutshane ngaphambi kwexesha.

Kwimpazamo yokulahleka kwesigaba sesithathu (ukungalingani kwangoku), i-RDJ2 isetiwe ngomda ozinikeleyo: iya kukhubeka kwiiyure ezi-2 xa izigaba ezimbini zithwala umbane olinganisiweyo kwaye isigaba esinye sivuliwe, oku kuthintela ngokupheleleyo ukutsha kwemoto okubangelwa kukulahleka kwesigaba.

Zonke iiparameter zenzelwe ukuhambelana ne-motor thermal endurance curve. Ukuseta okungalunganga kwangoku kuya kuphazamisa ixesha lokusebenza kwaye kulahlekelwe kukusebenza kokukhusela.

4. I-Logic yokuseta uKhuseleko lweeMoto: Imithetho eQhelekileyo yokuHlanganisa i-RDJ2 Thermal Relay

Ekubeni uhlengahlengiso olungacwangciswanga lungavumelekanga, ungawubeka njani umlinganiselo ofanelekileyo wokuseta i-RDJ2 ngokuchanekileyo? Umgaqo ophambili ngulo: Thatha umlinganiselo wombane wemoto njengomlinganiselo, kwaye wenze uhlengahlengiso oluhle ngokwehlobo lomthwalo kunye neemeko zemozulu, uthobela iKhowudi ye-GB50055-2011 yoYilo loMbane lweZixhobo zoMbane eziBanzi.

⭕️ Imigaqo Yokumisela Yonke Imeko Yokusetyenziswa

● Umthwalo oqhelekileyo (iifeni, iimpompo zamanzi, ii-conveyors): Useto lwangoku = I-Motor Rated Current × 0.95~1.05

● Umthwalo onzima wokuqalisa (ii-crushers, ii-ball mills, oomatshini bokunyathela): Useto lwangoku = I-Motor Rated Current × 1.1~1.2 ukuze kuthintelwe ukukhubeka okungeyonyani okubangelwa yi-startup inrush current

● Izixhobo zokumisa ukuqalisa rhoqo (iikhreyini, iilifti): Seta umlinganiselo wamandla ukuya kumlinganiselo wamandla ophindwe ka-1.1 kunye nomlinganiselo wobushushu be-RDJ2 ukuthintela ukuqokelelwa kobushushu ngendlela engafanelekanga

⭕️ Isikhokelo sokuseta iNyathelo ngeNyathelo seRDJ2 Thermal Relay

1.Jonga ipleyiti yemoto uze ubhale phantsiumlinganiselo wangoku wenjini (In)njengomlinganiselo wokumisela kuphela.

2.Khetha imodeli yeRDJ2 echanekileyo ukuqinisekisa ukuba uluhlu lohlengahlengiso lwereyila lugubungela ngokupheleleyo umbane olinganisiweyo wenjini.

3.Lungisa iqhosha uze ulungelelanise utolo nexabiso langoku lokuseta elibaliweyo, uze utshixe isixhobo sokulwa nokungasebenzi kakuhle.

4.Cinezela iqhosha elithi TEST kwiphaneli ye-RDJ2 ukuqinisekisa ukuguquguquka kokukhubeka.

5.Khetha ukuseta ngokutsha ngokuzenzekelayo okanye ukuseta ngokutsha ngesandla ngokweemfuno zokusebenza kunye nokugcinwa kwazo.

⭕️Uhlengahlengiso lweMbuyekezo yoBushushu beNdawo (Inzuzo ePhambili ye-RDJ2)

Ixhotyiswe ngembuyekezo yobushushu eyakhelwe ngaphakathi, i-RDJ2 iyaziqhelanisa nendawo yokusebenza ye -5℃ ~ + 40℃:

● Ubushushu obuphezulu obungaphezulu kwama-35℃: Lungisa ukuseta umbane ukuya kuthi ga kwi-0.9 amaxesha alinganiswa yimoto umbane

● Ubushushu obuphantsi obungaphantsi kwe-0℃: Lungisa ukuseta umbane ukuya kuthi ga kwi-1.1 ngokuphindwe kabini umlinganiselo wangoku wenjini

● Ukuphakama okungaphantsi kwe-2000m kunye nendawo engangcolisiyo kwaye engenalo uthuli: Imiselwe ngokwexabiso eliqhelekileyo elilinganisiweyo ngokuthe ngqo