Kev ntsuam xyuas ntawm relayrelay Relay yog cov cuab yeej tseem ceeb ntawm kev txawj ntse prepaid hluav taws xob ntsuas.Lub neej ntawm relay txiav txim lub neej ntawm hluav taws xob ntsuas rau qee qhov.Kev ua tau zoo ntawm cov cuab yeej tseem ceeb heev rau kev ua haujlwm ntawm lub ntsuas hluav taws xob ntse prepaid.Txawm li cas los xij, muaj ntau lub tuam txhab tsim hluav taws xob hauv tsev thiab txawv teb chaws, uas txawv heev hauv kev tsim khoom, qib kev ua haujlwm thiab kev ua haujlwm tsis zoo.Yog li ntawd, cov tuam txhab hluav taws xob ntsuas hluav taws xob yuav tsum muaj cov txheej txheem tshawb pom zoo tshaj plaws thaum kuaj thiab xaiv cov relays kom ntseeg tau tias cov ntsuas hluav taws xob zoo.Nyob rau tib lub sijhawm, State Grid kuj tau ntxiv dag zog rau kev kuaj xyuas qhov ntsuas qhov ua tau zoo ntawm cov ntsuas hluav taws xob hauv cov ntsuas hluav taws xob ntse, uas tseem yuav tsum tau siv cov cuab yeej tshawb nrhiav los xyuas qhov zoo ntawm cov ntsuas hluav taws xob uas tsim los ntawm cov tuam txhab sib txawv.Txawm li cas los xij, cov cuab yeej nrhiav kom tau relay tsis yog tsuas yog muaj ib qho kev tshawb nrhiav xwb, cov txheej txheem tshawb nrhiav tsis tuaj yeem ua haujlwm tau, cov ntaub ntawv tshawb pom yuav tsum tau ua tiav thiab tshuaj xyuas manually, thiab cov txiaj ntsig tshawb pom muaj ntau yam randomness thiab artificiality.Ntxiv mus, qhov kev tshawb pom kev ua tau zoo yog qhov tsawg thiab kev nyab xeeb tsis tuaj yeem lav tau [7].Nyob rau hauv ob xyoos dhau los, Lub Xeev Grid tau maj mam tsim cov qauv kev cai ntawm cov ntsuas hluav taws xob, tsim cov qauv kev lag luam thiab cov kev qhia tshwj xeeb, uas tau muab tso rau qee qhov kev nyuaj. rau relay parameter nrhiav kom tau, xws li load on thiab off muaj peev xwm ntawm relay, switching yam ntxwv kuaj, thiab lwm yam. Yog li ntawd, nws yog ib qho tseem ceeb mus kawm ib tug ntaus ntawv mus cuag kev paub txog ntawm relay kev ua tau zoo tsis [7]. xeem, cov khoom xeem tuaj yeem muab faib ua ob pawg.Ib qho yog cov khoom kuaj uas tsis muaj kev thauj khoom tam sim no, xws li kev nqis tes ua, tiv thaiv kev tiv thaiv thiab lub neej txhua yam.Qhov thib ob yog nrog cov khoom siv thauj khoom tam sim no, xws li kev tiv thaiv hluav taws xob, hluav taws xob lub neej, kev muaj peev xwm ntau dhau.Cov khoom kuaj tseem ceeb tau qhia luv luv raws li hauv qab no: (1) tus nqi ua haujlwm.Voltage xav tau rau kev ua haujlwm relay.(2) Tiv tauj tiv thaiv.Resistance tus nqi ntawm ob qho kev sib cuag thaum hluav taws xob kaw.(3) Mechanical life.Mechanical qhov chaw nyob rau hauv cov ntaub ntawv ntawm tsis muaj kev puas tsuaj, tus naj npawb ntawm lub sij hawm relay hloov qhov kev txiav txim.(4) Tiv tauj voltage.Thaum cov hluav taws xob tiv tauj raug kaw, ib qho kev thauj khoom tam sim no tau siv rau hauv hluav taws xob tiv tauj Circuit Court thiab tus nqi hluav taws xob ntawm cov neeg sib cuag.(5) Hluav taws xob lub neej.Thaum lub ntsuas hluav taws xob tau siv rau ntawm ob qho kawg ntawm lub relay tsav tsheb kauj vab thiab cov ntsuas kev tiv thaiv yog siv rau hauv kev sib cuag, lub voj voog tsawg dua 300 zaug hauv ib teev thiab lub voj voog ua haujlwm yog 1∶4, lub sijhawm ua haujlwm txhim khu kev qha ntawm relay.(6) Muaj peev xwm ntau dhau.Thaum qhov ntsuas hluav taws xob tau siv rau ntawm ob qho kawg ntawm lub relay tsav lub kauj thiab 1.5 lub sij hawm ntawm kev ntsuas load yog siv rau hauv lub voj voog, lub sijhawm ua haujlwm txhim khu kev qha ntawm lub relay tuaj yeem ua tiav ntawm kev ua haujlwm zaus ntawm (10 ± 1) zaug / min. [7] .Types, piv txwv li,, ntau yam sib txawv ntawm relay, tuaj yeem muab faib los ntawm cov khoom siv hluav taws xob relay ceev, tam sim no relay, lub sij hawm relay, relay, siab relays, thiab lwm yam., raws li txoj cai ntawm kev ua hauj lwm yuav muab faib ua electromagnetic. relay, induction hom relays, hluav taws xob relay, hluav taws xob relay, thiab lwm yam., raws li lub hom phiaj yuav muab faib mus rau hauv kev tswj relay, kev tiv thaiv relay, thiab lwm yam.[8] Txawm hais tias lub relay yog raws li nyob rau hauv lub xub ntiag los yog tsis muaj input, relay tsis ua hauj lwm thaum tsis muaj input, relay txiav txim thaum muaj input, xws li intermediate relay, general relay, sij hawm relay, thiab lwm yam. ] Kev ntsuas relay yog raws li kev hloov pauv ntawm cov tswv yim, cov tswv yim ib txwm muaj thaum ua haujlwm, tsuas yog thaum cov tswv yim nce mus txog qee tus nqi ntawm relay yuav ua haujlwm, xws li tam sim no relay, voltage relay, thermal relay, ceev relay, siab relay, kua theem relay, thiab lwm yam.. [8] Electromagnetic relay Schematic daim duab ntawm electromagnetic relay qauv Feem ntau ntawm cov relays siv nyob rau hauv kev tswj circuits yog electromagnetic relays.Electromagnetic relay muaj cov yam ntxwv ntawm cov qauv yooj yim, tus nqi qis, kev ua haujlwm yooj yim thiab kev txij nkawm, kev sib cuag me me (feem ntau hauv qab SA), cov neeg sib cuag ntau thiab tsis muaj cov ntsiab lus tseem ceeb thiab pab cuam, tsis muaj cov khoom siv hluav taws xob tua hluav taws xob, me me, ceev thiab raug txiav txim, rhiab tswj, txhim khu kev qha, thiab lwm yam.Nws yog dav siv nyob rau hauv low-voltage tswj system.Feem ntau siv electromagnetic relays muaj xws li tam sim no relays, voltage relays, intermediate relays thiab ntau yam me me relays.[8] Electromagnetic relay qauv thiab txoj hauv kev ua haujlwm zoo ib yam li contactor, feem ntau yog tsim los ntawm electromagnetic mechanism thiab kev sib cuag.Electromagnetic relays muaj DC thiab AC.Ib qho hluav taws xob lossis tam sim no ntxiv rau ntawm ob qho kawg ntawm lub kauj kom tsim hluav taws xob hluav taws xob.Thaum lub zog electromagnetic ntau dua lub caij nplooj ntoos hlav cov tshuaj tiv thaiv quab yuam, lub armature yog kos los ua kom cov nquag qhib thiab ib txwm kaw kev sib cuag.Thaum qhov hluav taws xob los yog tam sim no ntawm lub kauj poob los yog ploj mus, lub armature raug tso tawm thiab kev sib cuag tau pib dua.[8] Thermal relay Thermal relay yog tsuas yog siv rau cov khoom siv hluav taws xob (tsuas yog lub cev muaj zog) tiv thaiv overload.Thermal relay yog ib hom kev ua haujlwm uas siv cov txheej txheem cua sov tam sim no ntawm cov khoom siv hluav taws xob, nws nyob ze rau lub cev muaj zog tso cai rau cov yam ntxwv ntawm lub sijhawm hloov pauv, feem ntau yog siv ua ke nrog tus contactor, siv rau peb-theem asynchronous lub cev muaj zog overload thiab theem tsis ua haujlwm tiv thaiv peb. -phase asynchronous lub cev muaj zog hauv kev ua haujlwm tiag tiag, feem ntau ntsib los ntawm kev siv hluav taws xob lossis kev siv tshuab xws li dhau tam sim no, overload thiab theem tsis ua haujlwm).Yog tias qhov dhau tam sim no tsis loj heev, lub sijhawm luv luv, thiab cov windings tsis pub tshaj qhov ntsuas kub, qhov no dhau tam sim no raug tso cai;Yog hais tias qhov over-tam sim no loj heev thiab kav ntev, nws yuav ua rau kom lub rwb thaiv tsev laus ntawm lub cev muaj zog thiab txawm hlawv lub cev muaj zog.Yog li ntawd, cov cuab yeej tiv thaiv lub cev yuav tsum tau teeb tsa hauv lub cev muaj zog.Muaj ntau hom kev tiv thaiv lub cev muaj zog hauv kev siv ntau, thiab feem ntau yog cov hlau phaj thermal relay.hlau phaj hom thermal relay yog peb-theem, muaj ob hom nrog thiab tsis muaj theem tiv thaiv.[8] Lub sij hawm relay Lub sij hawm relay yog siv rau lub sij hawm tswj nyob rau hauv kev tswj Circuit Court.Nws hom yog ntau heev, raws li nws txoj kev txiav txim siab tuaj yeem muab faib ua hom electromagnetic, hom huab cua damping, hom hluav taws xob thiab hom hluav taws xob, raws li hom kev ncua tuaj yeem muab faib ua lub zog qeeb qeeb thiab lub zog qeeb qeeb.Cov huab cua damping lub sij hawm relay siv lub hauv paus ntsiab lus ntawm huab cua damping kom tau lub sij hawm ncua, uas yog tsim los ntawm electromagnetic mechanism, ncua mechanism thiab kev sib cuag.Lub tshuab electromagnetic yog ncaj qha-ua yeeb yam ob chav E-hom hlau core, kev sib txuas lus siv I-X5 micro hloov, thiab lub sijhawm ncua sij hawm txais cov airbag damper.[8] kev ntseeg siab 1.Kev cuam tshuam ntawm ib puag ncig ntawm kev cia siab rau relay: lub sijhawm nruab nrab ntawm qhov tsis ua haujlwm ntawm relays ua haujlwm hauv GB thiab SF yog qhov siab tshaj plaws, ncav cuag 820,00h, thaum nyob hauv NU ib puag ncig, nws tsuas yog 600,00h.[9] 2.Kev cuam tshuam ntawm qib zoo ntawm relay kev ntseeg tau: thaum A1 qib zoo relays raug xaiv, lub sijhawm nruab nrab ntawm kev ua tsis tiav tuaj yeem ncav cuag 3660000h, thaum lub sijhawm nruab nrab ntawm qhov tsis ua tiav ntawm qib C-qib relays yog 110000, nrog qhov sib txawv ntawm 33 zaug.Nws tuaj yeem pom tau tias qib zoo ntawm relays muaj kev cuam tshuam zoo rau lawv txoj kev ntseeg tau.[9] 3, kev cuam tshuam ntawm kev ntseeg siab ntawm daim ntawv tiv tauj relay: daim ntawv tiv tauj yuav cuam tshuam rau nws txoj kev ntseeg tau, ib qho pov tseg qhov kev ntseeg siab ntawm hom relay tau siab dua tus naj npawb ntawm tib rab riam hom ob chav pov relay, kev ntseeg tau maj mam txo. nrog rau qhov nce ntawm cov riam nyob rau tib lub sijhawm, yog lub sijhawm nruab nrab ntawm kev ua tsis tiav ib leeg-ncej ib leeg-thib relay plaub riam ob-thib relay ntawm 5.5 zaug.[9] 4.Kev cuam tshuam ntawm cov qauv hom ntawm kev ntseeg tau ntawm relay: muaj 24 hom relay qauv, thiab txhua hom muaj kev cuam tshuam rau nws txoj kev ntseeg tau.[9] 5.Kev cuam tshuam ntawm qhov kub thiab txias ntawm kev ntseeg ntawm relay: kev khiav hauj lwm kub ntawm relay yog nruab nrab ntawm -25 ℃ thiab 70 ℃.Nrog rau qhov nce ntawm qhov kub thiab txias, lub sijhawm nruab nrab ntawm kev ua tsis tiav ntawm cov relays maj mam txo qis.[9] 6.Kev cuam tshuam ntawm kev khiav hauj lwm tus nqi ntawm relay kev ntseeg tau: Nrog rau qhov nce ntawm kev khiav hauj lwm tus nqi ntawm relay, lub sij hawm nruab nrab ntawm qhov ua tsis tau tejyam pib nthuav tawm ib qho kev nthuav qhia downward.Yog li ntawd, yog hais tias tus tsim Circuit Court yuav tsum tau lub relay ua hauj lwm ntawm tus nqi siab heev, nws yog ib qho tsim nyog yuav tsum tau ua tib zoo xyuas cov relay thaum lub sij hawm txij nkawm Circuit Court kom nws yuav tsum tau hloov nyob rau hauv lub sij hawm.[9] 7.Kev cuam tshuam ntawm qhov sib piv tam sim no ntawm kev ntseeg siab ntawm relay: qhov sib piv tam sim no yog qhov piv ntawm kev ua haujlwm tam sim no ntawm relay mus rau qhov ntsuas tam sim no.Qhov piv txwv tam sim no muaj kev cuam tshuam zoo rau kev ntseeg siab ntawm relay, tshwj xeeb tshaj yog thaum qhov sib piv tam sim no ntau dua 0.1, lub sij hawm nruab nrab ntawm kev ua tsis tiav yuav txo qis sai, thaum lub sij hawm tam sim no tsawg dua 0.1, lub sij hawm nruab nrab ntawm qhov tsis ua hauj lwm nyob twj ywm tib yam. , yog li cov load nrog cov ntsuas tam sim no siab dua yuav tsum tau xaiv hauv Circuit Court tsim los txo qhov tam sim no piv.Nyob rau hauv txoj kev no, kev ntseeg siab ntawm relay thiab txawm tias tag nrho cov Circuit Court yuav tsis raug txo vim qhov hloov pauv ntawm kev ua haujlwm tam sim no.
