Tus kws tshaj lij hluav taws xob niaj hnub hauv ib lub tsev lossis chav tsev sawv cev rau ntau yam txuj ci uas xav tau kev tswj hwm ntawm cov khoom siv hluav taws xob. Kev tswj fais fab ua rau peb-theem voltage relay, ua los yog tawg hluav taws xob circuits thaum muaj xwm ceev.
Txoj haujlwm ntawm qhov hluav taws xob relay
Cov khoom siv kev nyab xeeb feem ntau muaj cov khoom siv hluav taws xob tswj. Thaum cov kev tswj tsis tau sib txawv dhau qhov kev txwv tsis pub dhau, lawv ua haujlwm, tua cov circuits. Tag nrho cov relays muaj peb yam. Thawj tus yog txais tos. Nws kis tus nqi ntawm tus nqi tswj mus rau qhov nruab nrab lub caij, qhov twg nws raug tshuaj xyuas tawm tsam tus qauv tus nqi. Nyob rau hauv cov ntaub ntawv ntawm deviations, lub teeb liab kis tau mus rau lub actuator, uas muab lub hwj chim.
Lub zog surges thaum lub hwj chim mov, nrog rau kev tawg ntawm lub hwj chim Circuit Court tuaj yeem ua rau cov neeg siv khoom tsis ua haujlwm. Nyob rau hauv cov khoom siv hluav taws xob uas tsis muaj hluav taws xob, theem kev sib txuas lossis hluav taws xob ntawm cov xaim nruab nrab tuaj yeem tshwm sim, uas ua rau muaj qhov tsis sib xws ntawm 0 txog 380. Q. Qhov no yuav ua rau cov khoom siv hluav taws xob sib txuas hauv tsev uas tsis muaj kev tiv thaiv.
Qhov peb-theem hluav taws xob relay ua haujlwm tam sim rau qhov nce ntawm qhov hluav taws xob siab tshaj qhov tso cai thiab qhib hluav taws xob hluav taws xob. Cov theem raug muab tua thaum muaj qhov sib nqus flux tshwm sim hauv electromagnet thaum tam sim no dhau los ntawm winding. Nrog kev pab los ntawm ib qho hluav taws xob Circuit Court, lub relay tau hloov kho rau qee qhov kev txwv qhov ntsuas hluav taws xob, thaum dhau lawm, cov hluav taws xob tiv tauj hauv lub voj voog thauj khoom qhib.
Qhov hluav taws xob relay tau teeb tsa hauv lub vaj huam sib luag hluav taws xob, tab sis muaj cov qauv uas txuas rau hauv lub qhov (socket). Nrog lawv cov kev pab, qhov qis thiab sab sauv txwv ntawm qhov hloov hluav taws xob raug xaiv. Nws yog qhov yooj yim los teeb tsa qhov ntau ntawm 180-245 V, thiab tom qab ntawd hloov kho kom tus naj npawb ntawm kev ua haujlwm tsis pub ntau tshaj ib hlis. Thaum qhov hluav taws xob hauv lub network txuas ntxiv los yog txo qis, nws raug nquahu kom nruab lub stabilizer.
Kev sib txuas peb-theem voltage relay yuav tsum tau ua tom qab lub tshuab pib, tus nqi uas tau xaiv ib kauj ruam tsawg dua, piv txwv li, hauv qhov piv ntawm 32 A thiab 40 A.
Peb-theem hluav taws xob relay txuas nrog cov xaim tam sim no thiab nruab nrab ntawm lub network, nrog rau cov khoom sib txuas ntawm cov khoom sib txuas los saib xyuas lawv cov xwm txheej. Cov hom yog hloov los ntawm kev hloov jumpers ntawm cov relay terminals. Thaum tshwm sim, nws lub kauj yog de-energized thiab qhib lub hwj huam sib cuag. Lub winding ntawm lub hwj chim contactor tuaj yeem txuas nrog lawv, uas kuj ua haujlwm, tig tawmcov neeg siv khoom. Tom qab ncua sij hawm, thaum qhov hluav taws xob rov qab los dua, lub relay rov qab mus rau nws lub xeev qub, kaw nws lub zog tiv tauj.
Cov txheej txheem saum toj no yuav tua cov neeg siv khoom thaum muaj teeb meem hauv lub network. Kev tiv thaiv kuj tseem tuaj yeem ua rau ntawm 3-theem ib leeg-theem ywj pheej relays. Nws yog siv rau cais loads ntawm txhua qhov khoom siv tam sim no-nqa hlau. Fais fab contactors feem ntau tsis siv ntawm no yog tias lub load tsis siab tshaj 7 kW. Qhov kom zoo dua ntawm txoj kev no yog tias qhov hluav taws xob tau khaws cia ntawm cov theem ntxiv thaum ib qho ntawm lawv raug tua.
Txoj yam ntxwv ntawm ntau hom hluav taws xob relays
Cov khoom siv sib txawv hauv kev ua haujlwm thiab zoo. Nyob ntawm seb leej twg, rau lub hom phiaj twg koj xav tau cov cuab yeej no, lawv raug xaiv thiab teeb tsa. Tom ntej no, xav txog cov khoom siv nrov tshaj plaws.
Relay RNPP-311
Lub cuab yeej tiv thaiv lub network thaum muaj xwm txheej hauv qab no:
- dhau qhov voltage ntawm cov nqi teev;
- luv luv lossis theem tsis ua haujlwm;
- skew lossis theem tsis ua haujlwm.
Lub cuab yeej tseem saib xyuas lwm qhov tsis sib xws hauv lub network thiab qhib lub zog rau lub nra thaum lawv sib txawv ntawm cov qauv. Peb-theem voltage relay RNPP-311 tuaj yeem teeb tsa rau ob hom kev tswj hwm.
- Linear - kev ua haujlwm vim yog theem tsis txaus, thaum xoom hloov tsis txaus ntshai rau cov neeg siv khoom.
-
Phase - thaum theem voltage tsis txaus thiab xoom offset tsis tau txais.
peb-theem relayrnpp zog
Nyob rau pem hauv ntej vaj huam sib luag muaj cov cim qhia rau lub xub ntiag ntawm voltage, load kev twb kev txuas thiab ib co deviations ntawm tus qauv. Kev kho yog tsim los ntawm rau lub potentiometers. Cov kev ntsuas hauv qab no tau teeb tsa:
- ciam teb qhov tseem ceeb ntawm qhov siab tshaj plaws thiab qhov tsawg kawg nkaus voltages, nrog rau qhov txwv tus nqi ntawm theem tsis txaus;
- Kev ncua ntawm kev thauj khoom tsis sib xws thaum muaj xwm txheej;
- ncua sijhawm txuas mus rau lub network tom qab cov ntsuas tau rov qab los.
Cov cuab yeej tseem ua haujlwm thaum xoom thiab ib theem, lossis tsawg kawg yog ob, tseem ua haujlwm.
Relay RKN-3-15-08
Cov cuab yeej siv rau kev tswj hwm hauv qab no:
- voltages hauv theem;
- "kab" ntawm cov neeg xyuas;
- kev ua txhaum ntawm theem ntu;
- voltage deviations sab nraum qhov teev tseg.
Qhov ntsuas yuav raug teeb tsa los ntawm ob lub potentiometers. Qhov taw qhia tso cai rau koj los tswj qhov voltage, network yuam kev thiab kev ua haujlwm ntawm cov khoom siv hluav taws xob hauv hluav taws xob. Cov kev ua haujlwm zoo li qub.
Daim duab sib txuas ntawm peb-theem voltage relay RKN-3-15-08 xyaum tsis txawv ntawm qhov tau muab ua ntej. Nws tsuas muaj qhov chaw yooj yim dua. Tus nqi rau peb-theem voltage relay yog qis dua rau RNPP-311. Nws yog hais txog 1500 rubles. Kev hloov pauv sib txawv ntawm ob hom tuaj yeem sib txawv ntawm tus nqi, nws txhua tus nyob ntawm kev ua haujlwm.
ASP series khoom siv
Bnyob rau hauv ib kab sib cais yog tag nrho cov digital tiv thaiv relays ntawm ASP series. Nyob rau hauv feem ntau ntawm lawv, koj yuav nrhiav tsis tau trimming ntsiab ntawm analog signals. Potentiometers nyob ntawm qhov cuam tshuam ntawm ib puag ncig sab nraud, hnub nyoog sai, kev hloov pauv, thiab kev sib cuag feem ntau ploj mus.
Cov khoom siv digital tsis muaj cov khoom siv sib cuag, vim tias qhov cuam tshuam ntawm lwm yam raug txo qis thiab lawv qhov kev ntseeg tau nce ntxiv. Nyob rau hauv tsos, cov cuab yeej yog txawv los ntawm ib tug digital zaub. Lawv tus nqi yog qhov nruab nrab siab dua, tab sis koj tuaj yeem nrhiav cov khoom siv nyiaj.
Relay ASP-3RMT
Tus qauv yog qhov yooj yim, thiab nws muaj tag nrho cov haujlwm tsim nyog tshaj plaws uas peb-theem voltage relay yuav tsum muaj. Nws tus nqi yog 2 npaug qis dua lwm yam khoom siv nrog cov voltmeters thiab cov ntxaij vab tshaus built-in. Yog tias koj tsis xav tau cov zaub, tab sis xav tau kev tiv thaiv, cov cuab yeej tsim nyog rau kev teeb tsa.
Relay ASP-3RVN
Peb-theem voltage thiab theem tswj relay nrog microprocessor yog siv los tswj cov khoom siv hluav taws xob rau cov tub yees, cua txias, compressors thiab lwm yam khoom siv uas siv hluav taws xob motors. Cov cuab yeej yog yooj yim nyob rau hauv uas nws tso cai rau koj los tswj qhov voltage ntawm txhua theem ntawm cov zaub, nrog rau saib xyuas nws asymmetry. Lub cim xeeb built-in powered los ntawm ib qho kev ywj pheej ua rau nws muaj peev xwm nco tau qhov tsis muaj thiab tus naj npawb ntawm kev kaw thaum muaj xwm txheej ceev nrog rau qhov muaj peev xwm nthuav tawm lawv ntawm qhov screen. Qhov no tsis tas yuav muaj kev txawj teeb tsa tshwj xeeb. Cov haujlwm ntxiv muaj nyob hauv cov nyees khawm tswj.
Lub ASP-3RVN ntaus ntawv txuas nrog lub network nyob rau hauv parallel nrog lub load, zoo ib yam li cov tswv yim uas tau nthuav tawm ua ntej. Cov cuab yeej saib xyuas qhov tam sim no mains voltage. Nyob rau hauv qhov kev tshwm sim ntawm ib qho kev huam yuaj, nws cov neeg raug qhib, uas muaj nyob rau hauv lub qhib Circuit Court ntawm lub starter winding. Tom qab txuas thiab siv lub zog, qhov kev tiv thaiv relay kuaj xyuas qhov muaj qhov voltage. Qhov no yog qhia los ntawm peb LEDs. Nyob rau hauv cov ntaub ntawv ntawm kev ua txhaum ntawm cov theem ib theem zuj zus los yog sticking, dashes (--) yog tso tawm rau ntawm qhov taw qhia. Tsis tas li ntawd, qhov ntsuas theem voltages tau tshwm sim ntawm qhov screen nrog lub sijhawm ntawm ob peb feeb. Nyob rau tib lub sijhawm, cov LEDs sib thooj teeb.
Thaum muaj xwm txheej tshwm sim, qhov ua rau nws tshwm sim tshwm rau ntawm qhov screen. Cov chaw pib yog lub Hoobkas, tab sis lawv tuaj yeem hloov pauv los ntawm nias lub pob tsim nyog. Yog tias qhov teeb meem tshwm sim thaum lub sijhawm teeb tsa, lawv tuaj yeem rov pib dua thiab rov pib dua rau lub Hoobkas nrog kev kov ntawm lub pob. Txhua qhov chaw khaws cia hauv nco thiab tuaj yeem kuaj xyuas.
ABB saib xyuas relay
Ib qho ntawm cov khoom siv paub zoo los tiv thaiv cov khoom siv hluav taws xob yog peb-theem voltage relay ABB. Cov cuab yeej tau tsim nws tus kheej ua ib qho ntawm feem txhim khu kev qha nyob rau hauv cov ntaub ntawv ntawm voltage imbalance. Rau peb-theem tes hauj lwm, ABB SQZ3 ntaus ntawv tau tsim, withstanding voltages mus txog 400 V. Ib tug loj assortment tso cai rau koj xaiv tus qauv tsim nyog rau tej yam kev mob ua hauj lwm. Cov cuab yeej tso cai rau koj los tswj:
- mains voltage nrog load disconnection thaum muaj xwm ceev;
-
skew, poob thiab raug theem sib lawv liag nrog cov teeb liab nyob rau hauv rooj plaub ntawm deviations.
voltage relay peb-theem abb
ABV tau tsim nws tus kheej ua tus neeg muag khoom txhim khu kev qha zoo, siv tau yooj yim thiab ntau yam khoom siv hluav taws xob.
Zoo kawg
Peb-theem hluav taws xob tswj relay yog qhov tsim nyog ntawm lub zog hluav taws xob rau cov khoom siv. Nws yuav cia siab rau kev tiv thaiv hluav taws xob ntawm ib chav tsev lossis lub tsev, nrog rau cov khoom siv hluav taws xob kim los ntawm lub zog hluav taws xob thiab kev cuam tshuam.
