Kuyesa kwa relayrelay Relay ndiye chida chofunikira kwambiri cha mita yanzeru yolipiriratu magetsi. Moyo wa relay umatsimikizira moyo wa mita yamagetsi kumlingo wina. Kuchita kwa chipangizocho ndikofunikira kwambiri pakugwiritsa ntchito mita yamagetsi yanzeru yolipiriratu. Komabe, pali ambiri opanga zopatsirana zoweta ndi akunja, amene amasiyana kwambiri mu lonse kupanga, mlingo luso ndi magawo ntchito. Chifukwa chake, opanga mita yamagetsi ayenera kukhala ndi zida zodziwira bwino poyesa ndikusankha ma relay kuti atsimikizire mtundu wamagetsi amagetsi. Panthawi imodzimodziyo, State Grid yalimbitsanso kuwunikira kwachitsanzo kwa magawo a relay performance mu mita yamagetsi yanzeru, yomwe imafunikiranso zida zodziwikiratu kuti ziwone mtundu wamagetsi amagetsi opangidwa ndi opanga osiyanasiyana. Komabe, zida zowunikira ma relay sizingokhala ndi chinthu chimodzi chodziwikiratu, njira yodziwikiratu sizingadziwike zokha, deta yodziwikiratu iyenera kukonzedwa ndikuwunikidwa pamanja, ndipo zotsatira zodziwikiratu zimakhala ndi zochitika zosiyanasiyana komanso zopanga. Komanso, kudziwika Mwachangu ndi otsika ndi chitetezo sizingatsimikizidwe [7]. M'zaka ziwiri zapitazi, The State gululi pang'onopang'ono standardized amafuna luso la mamita magetsi, anakonza mfundo makampani zogwirizana ndi specifications luso, amene anaika patsogolo mavuto ena luso kwa anapatsana chizindikiro kudziwika, monga katundu pa ndi kutha mphamvu ya kulandirana, kusintha makhalidwe mayeso, etc. Choncho, m'pofunika kuphunzira chipangizo kudziwika kwa parameter kukwaniritsa zofunika comprehensive parameter. pakuyesa kwa magawo a relay performance, zinthu zoyeserera zitha kugawidwa m'magulu awiri. Chimodzi ndi zinthu zoyesera zopanda katundu wamakono, monga mtengo wochitapo kanthu, kukana kulumikizana ndi moyo wamakina. Chachiwiri chili ndi zinthu zoyezetsa zomwe zikuchitika, monga mphamvu yamagetsi, mphamvu yamagetsi, kuchuluka kwa zinthu. Zinthu zazikulu zoyeserera zimayambitsidwa mwachidule motere :(1) mtengo wochitapo kanthu. Mphamvu yamagetsi yofunikira pakugwiritsa ntchito relay. (2) Kulimbana ndi kukana. Kukaniza mtengo pakati pa kukhudzana awiri pamene magetsi kutseka. (3) Moyo wamakina. Ziwalo zamakina pakapanda kuwonongeka, kuchuluka kwa nthawi zomwe kusinthana kwa relay. (4) Kulumikizana ndi magetsi. Pamene kukhudzana magetsi chatsekedwa, zina katundu panopa ntchito mu magetsi kukhudzana dera ndi voteji mtengo pakati pa kulankhula. (5) Moyo wamagetsi. Mphamvu yovotera ikayikidwa kumapeto onse a koyilo yoyendetsa galimotoyo ndipo mphamvu yoyezetsa yoyezetsa imayikidwa mu loop yolumikizirana, kuzungulira kumakhala kosakwana 300 pa ola limodzi ndipo ntchito yake ndi 1∶4, nthawi zodalirika zogwirira ntchito. (6) Kuchulukirachulukira. Pamene voteji oveteredwa ikugwiritsidwa ntchito pa malekezero onse a koyilo galimoto yopatsirana ndi nthawi 1.5 katundu oveteredwa ntchito mu kulumikiza kuzungulira, nthawi odalirika ntchito yopatsirana angathe kukwaniritsa pa ntchito pafupipafupi (10 ± 1) nthawi/mphindi [7] .Mitundu, mwachitsanzo,, mitundu yambiri yolumikizirana, akhoza kugawidwa ndi athandizira voteji, kuthamanga kwa relay, kuthamanga kwa relay, ndi zina zotero. Ntchito imatha kugawidwa m'magulu amagetsi amagetsi, ma induction type relays, relay yamagetsi, relay yamagetsi, ndi zina zambiri, malinga ndi cholinga chitha kugawidwa mumayendedwe owongolera, chitetezo cha relay, ndi zina zambiri. [8] Kaya kapena ayi relay imachokera pa kukhalapo kapena kusakhalapo kwa kulowetsa, relay sagwira ntchito pamene palibe cholowetsa, chothandizira pamene pali cholowetsa, monga relay yapakatikati, relay, relay, ndi zina zotero. relay, pressure relay, fluid level relay, etc.. [8] Electromagnetic relay Schematic schematic diagraph of electromagnetic relay structure Ambiri mwa ma relay omwe amagwiritsidwa ntchito powongolera mabwalo ndi ma elekitiromagineti relay. Electromagnetic relay ili ndi mawonekedwe a mawonekedwe osavuta, mtengo wotsika, magwiridwe antchito ndi kukonza bwino, kulumikizana pang'ono (nthawi zambiri kumunsi kwa SA), kuchuluka kwa olumikizirana komanso opanda mfundo zazikulu ndi zothandizira, palibe chipangizo chozimitsira arc, kukula kochepa, kuchitapo kanthu mwachangu komanso molondola, kuwongolera tcheru, kudalirika, ndi zina zotero. Amagwiritsidwa ntchito kwambiri pamagetsi otsika kwambiri. Ma relay omwe amagwiritsidwa ntchito nthawi zambiri amaphatikiza ma relay apano, ma voltage, ma relay apakatikati ndi ma relay ang'onoang'ono osiyanasiyana. [8] Kapangidwe ka ma elekitiroleti otumizirana ma elekitirodi ndi mfundo zogwirira ntchito ndizofanana ndi cholumikizira, makamaka chopangidwa ndi makina amagetsi ndi kukhudzana. Ma electromagnetic relay ali ndi DC ndi AC. Magetsi kapena magetsi amawonjezedwa kumapeto onse a koyilo kuti apange mphamvu yamagetsi. Mphamvu yamagetsi ikakhala yayikulu kuposa mphamvu yamasika, zida zimakokedwa kuti zipangitse zotseguka komanso zotsekeka zisunthike. Pamene voteji kapena panopa wa koyilo akutsikira kapena kutha, armature amamasulidwa ndipo kukhudzana ndi bwererani. [8] Thermal relay Thermal relay imagwiritsidwa ntchito kwambiri pazida zamagetsi (makamaka mota) kuteteza mochulukira. Thermal relay ndi mtundu wa ntchito pogwiritsa ntchito mfundo Kutentha kwa zida zamagetsi, ndi pafupi ndi galimoto kulola mochulukira makhalidwe a nthawi inverse, makamaka ntchito pamodzi ndi contactor, ntchito atatu gawo asynchronous galimoto mochulukira ndi gawo kulephera chitetezo cha magawo atatu asynchronous galimoto mu opareshoni yeniyeni, nthawi zambiri amakumana ndi chifukwa cha magetsi kapena mawotchi zifukwa monga kulephera kwa gawo, kupitirira pakali pano. Ngati kupitilira apo sikowopsa, nthawiyo ndi yaifupi, ndipo ma windings sapitilira kutentha kovomerezeka, izi zimaloledwa; Ngati kupitilira apo kuli kokulirapo ndipo kumakhala kwa nthawi yayitali, kumathandizira kukalamba kwagalimoto komanso kuwotcha mota. Chifukwa chake, chipangizo chachitetezo chagalimoto chiyenera kukhazikitsidwa mumayendedwe agalimoto. Pali mitundu yambiri yazida zodzitetezera zamagalimoto zomwe zimagwiritsidwa ntchito nthawi zambiri, ndipo chodziwika bwino ndizitsulo zazitsulo zotenthetsera. zitsulo mbale mtundu matenthedwe relay ndi atatu gawo, pali mitundu iwiri ndi popanda gawo yopuma chitetezo. [8] Relay Time Relay imagwiritsidwa ntchito pakuwongolera nthawi mumayendedwe owongolera. Mtundu wake ndi wochuluka kwambiri, molingana ndi mfundo yake yochitapo kanthu, ukhoza kugawidwa mumtundu wa electromagnetic, mtundu wa air damping, mtundu wamagetsi ndi mtundu wamagetsi, malingana ndi njira yochepetsera ikhoza kugawidwa mu kuchedwa kwa mphamvu ndi kuchedwa kwa mphamvu. Nthawi yothira mpweya imagwiritsa ntchito mfundo yochepetsera mpweya kuti ichedwetse nthawi, yomwe imapangidwa ndi makina amagetsi, makina ochedwa ndi njira yolumikizirana. Makina a electromagnetic amagwira molunjika pawiri E-type iron core, njira yolumikizirana imagwiritsa ntchito I-X5 yaying'ono switch, ndipo njira yochedwetsayo imatenga chotsitsa cha airbag. [8]kudalirika1. Chikoka cha chilengedwe pa kudalirika kwa relay: nthawi yapakati pakati pa kulephera kwa ma relay omwe akugwira ntchito ku GB ndi SF ndipamwamba kwambiri, kufika ku 820,00h, pamene mu chilengedwe cha NU, ndi 600,00h yokha. [9]2. Chikoka cha kalasi yabwino pa kudalirika kwapang'onopang'ono: pomwe ma giredi apamwamba a A1 amasankhidwa, nthawi yapakati pakati pa zolephera imatha kufika 3660000h, pomwe nthawi yapakati pakati pa kulephera kwa ma C-grade relay ndi 110000, ndi kusiyana kwa 33 nthawi. Zitha kuwoneka kuti kalasi yabwino ya ma relays imakhala ndi chikoka chachikulu pakuchita kwawo kudalirika. [9] 3, chikoka pa kudalirika kwa mawonekedwe opatsirana kukhudzana: wolandirana kukhudzana mawonekedwe adzakhudzanso kudalirika kwake, kuponya limodzi kudalirika kwa mtundu kupatsirana anali apamwamba kuposa chiwerengero cha mtundu womwewo mpeni mtundu iwiri kuponyera kuponyera, kudalirika pang'onopang'ono kuchepetsa ndi kuwonjezeka kwa chiwerengero cha mpeni pa nthawi yomweyo, ndi nthawi avareji pakati pa zolephera umodzi-mzati umodzi-kuponya pawiri-kuponya kawiri knife 55. [9]4. Chikoka cha mtundu wamapangidwe pa kudalirika kwa relay: pali mitundu 24 ya kapangidwe kawo, ndipo mtundu uliwonse umakhudza kudalirika kwake. [9]5. Mphamvu ya kutentha pa kudalirika kwa relay: kutentha kwa ntchito ya relay kuli pakati pa -25 ℃ ndi 70 ℃. Ndi kuwonjezeka kwa kutentha, nthawi yapakati pakati pa kulephera kwa ma relay imachepa pang'onopang'ono. [9]6. Chikoka cha kuchuluka kwa magwiridwe antchito pa kudalirika kwa relay: Ndi kuchuluka kwa magwiridwe antchito a relay, nthawi yapakati pakati pa zolephera kwenikweni ikuwonetsa kutsika kwakukulu. Choncho, ngati dera lopangidwa likufuna kuti relay igwire ntchito pamlingo wapamwamba kwambiri, m'pofunika kufufuza mosamala relay panthawi yokonza dera kuti ilowe m'malo mwake. [9]7. Chikoka cha chiŵerengero chamakono pa kudalirika kwa relay: chomwe chimatchedwa chiŵerengero chamakono ndi chiŵerengero cha ntchito yomwe ikugwira ntchito pakalipano ya relay ku chiwerengero cha katundu wamakono. Chiŵerengero chamakono chimakhala ndi chikoka chachikulu pa kudalirika kwa kutumizirana mauthenga, makamaka pamene chiŵerengero chamakono chikuposa 0.1, nthawi yapakati pakati pa zolephera imachepa mofulumira, pamene chiŵerengero chamakono sichiposa 0.1, nthawi yapakati pakati pa zolephera imakhalabe yofanana, kotero kuti katundu ndi apamwamba oveteredwa panopa ayenera kusankhidwa mu kamangidwe ka dera kuchepetsa chiŵerengero chamakono. Mwanjira imeneyi, kudalirika kwa relay komanso dera lonse sikungachepetsedwe chifukwa cha kusinthasintha kwa magwiridwe antchito.
