Lotsatira ndi mtundu wa malonda ndi mawu ake:
3RA1911-1A, 3RA1911-1AA00, 3RK1901-0NA00, 3RK1901-0PA00, 3RW4024-1BB04, 3RW4024-1BB05, 3RW4024-1BB14, 3RW4024-1BB15, 3RW4024-1TB04, 3RW4024-1TB05, 3RW4024-2BB04, 3RW4024-2BB05, 3RW4024-2BB14, 3RW4024-2BB15, 3RW4422-1BC34, 3RW4422-1BC35, 3RW4422-1BC36, 3RW4422-1BC44, 3RW4422-1BC45, 3RW4422-1BC46, 3RW4422-3BC34, 3RW4422-3BC35, 3RW4422-3BC36, 3RW4422-3BC44, 3RW4422-3BC45, 3RW4422-3BC46, 3RW4423-1BC34, 3RW4423-1BC35, 3RW4423-1BC36, 3RW4423-1BC44, 3RW4423-1BC45, 3RW4423-1BC46, 3RW4423-3BC34, 3RW4423-3BC35, 3RW4423-3BC36, 3RW4423-3BC44, 3RW4423-3BC45, 3RW4423-3BC46, 3RW4424-1BC34, 3RW4424-1BC35, 3RW4424-1BC45, 3RW4424-1BC46, 3RW4424-3BC34, 3RW4424-3BC35, 3RW4424-3BC36, 3RW4424-3BC44, 3RW4424-3BC45, 3RW4424-3BC46, 3RW4425-1BC34, 3RW4425-1BC35, 3RW4425-1BC36, 3RW4425-1BC44 , 3RW4425-1BC45, 3RW4425-1BC46, 3RW4425-3BC34, 3RW4425-3BC35, 425-3BC36, 3RW4425-3BC44, 3RW4425-3BC45, 4425-3BC46, 3RW4426-1BC34, 3RW4426-1BC35, 3RW3013-1BB14, 3RW3014-1BB14, 3RW3016-1BB14, 3RW3017-1BB14, 3RW3018-1BB14, 3RW3026-1BB14, 3RW3027-1BB14, 3RW3028-1BB14, 3RW3036-1BB14, 3RW3037-1BB14, 3RW3038-1BB14, 3RW3046-1BB14, 3RW3047-1BB14, 3RW4026-1BB14, 3RW4046-1BB14, 3RW4027-1BB14, 3RW4028-1BB14, 3RW4036-1BB14, 3RW4037-1BB14, 3RW4038-1BB14, 3RW4047-1BB14, 3RW4055-6BB44, 3RW4056-6BB44, 3RW4073-6BB44, 3RW4074-6BB44, 3RW4075-6BB44, 3RW4076-6BB44, 3RW4422-1BC44, 3RW4423-1BC44, 3RW4424-1BC44, 3RW4425-1BC44, 3RW4426-1BC44, 3RW4427-1BC44, 3RW4434-6BC44, 3RW4435-6BC44, 3RW4436-6BC44, 3RW4443-6BC44, 3RW4444-6BC44, 3RW4445-6BC44, 3RW4446-6BC44, 3RW4447-6BC44, 3RW4453-6BC44, 3RW4454-6BC44, 3RW4455-6BC44, 3RW4456-6BC44
Zovuta
Zoyambira zofewa za 3RW ziyenera kupangidwa nthawi zonse potengera momwe injini ikuyendera. Mavoti agalimoto omwe atchulidwa pakusankhira ndi kuyitanitsa deta ndi zolondolera movutikira ndipo amapangidwira zoyambira zoyambira (CLASS 10). Pazinthu zina zoyambira timalimbikitsa Chida Choyeserera cha Oyambira Ofewa (STS).
Zambiri zamagalimoto mu kW ndi hp zimatengera IEC 60947-4-1.
Pamalo okwera pamwamba pa 2 000 m, max. mphamvu yovomerezeka yogwira ntchito imachepetsedwa kukhala 480 V.
Chida Choyerekeza cha Oyamba Ofewa (STS)
Simulation Tool for Soft Starters (STS) imapereka njira yosavuta yopangira zoyambira zofewa pogwiritsa ntchito mawonekedwe osavuta, ofulumira komanso osavuta kugwiritsa ntchito. Kulowetsa data ya mota ndi katundu kudzatengera kugwiritsa ntchito ndikupangira malingaliro oyambira osavuta.
Lumikizani kutsitsa kwaulere kwa Simulation Tool for Soft Starters (STS)
Mawonekedwe osavuta, ofulumira komanso osavuta kugwiritsa ntchito
Zambiri komanso zaposachedwa za Nokia motor database, kuphatikiza ma IE3/IE4 motors.
Kutengera zolemetsa zoyambira mpaka CLASS 30
Zokhoza kusintha (monga ma motors, mitundu ya katundu, ntchito)
Zoyezera mwachangu zomwe zili ndi data yochepa yolowera
Ma tchati anthawi yomweyo, okhala ndi ma curve oyambira omwe ali ndi malire
Onani mu mawonekedwe a tebulo la zoyambira zofewa zoyenera kugwiritsa ntchito
Chilichonse pang'onopang'ono: Zoyeserera ndi mndandanda wazotsatira
Lingaliro lozungulira
Zoyambira zofewa za SIRIUS 3RW zoyendetsedwa ndi magawo atatu zitha kuyendetsedwa mumitundu iwiri yosiyana:
Kuzungulira kwapaintaneti
Zowongolera zodzipatula ndikuteteza mota zimangolumikizidwa mndandanda ndi choyambira chofewa. Galimoto imalumikizidwa ndi choyambira chofewa chokhala ndi mayendedwe atatu.
Dera lamkati-delta
Mawaya amafanana ndi a wye-delta oyambitsa. Magawo a choyambira chofewa amalumikizidwa motsatizana ndi ma windings amoto. Choyambira chofewacho chimangoyenera kunyamula gawo lapano, lomwe limakhala pafupifupi 58% yamagetsi apano (conductor current).
Dera liti?
Kugwiritsa ntchito chigawo chozungulira kumaphatikizapo kutulutsa kwa waya kotsika kwambiri. Ngati choyambira chofewa kupita kumayendedwe amagalimoto ndiatali, derali ndilabwino.
Kuvuta kwa mawaya kumakhala kokwera kawiri mukamagwiritsa ntchito dera lamkati-delta, koma chipangizo chaching'ono chingagwiritsidwe ntchito ndi mlingo womwewo. Chifukwa cha kusankha kogwirira ntchito pakati pa inline circuit ndi dera lamkati-delta, nthawi zonse ndizotheka kusankha njira yabwino kwambiri.
Ntchito ya braking imatheka kokha mumayendedwe ozungulira. Dera lamkati la delta silingagwiritsidwe ntchito pamagetsi a 690 V.
kasinthidwe
Zoyambira zofewa za 3RW zokhazikika zidapangidwa kuti ziziyambira bwino. Pakayambika kwambiri kapena kuchulukirachulukira koyambira, gawo lalikulu lingafunike kusankhidwa. Zoyambira zofewa za 3RW52 zitha kugwiritsidwa ntchito pamakina akutali (IT systems) mpaka 600 V AC ndi 3RW55 zoyambira zofewa ngakhale mpaka 690 V.
Kwa nthawi yayitali yoyambira, timalimbikitsa sensor ya PTC kapena kusintha kwa kutentha mugalimoto. Izi zimagwiranso ntchito pa "ma torque control", "pampu stop" ndi "DC braking" njira zoyimitsa, chifukwa panthawi yoyimitsa mumayendedwe awa, kutsitsa kwapano kumagwiranso ntchito mosiyana ndi kutsika pansi.
Palibe ma capacitive element omwe amaloledwa mu chowonjezera chamoto pakati pa SIRIUS 3RW choyambira chofewa ndi mota (mwachitsanzo, palibe zida zolipirira mphamvu zamagetsi). Kuphatikiza apo, palibe makina osasunthika a chipukuta misozi kapena mphamvu ya PFC (Power Factor Correction) yomwe iyenera kuyendetsedwa mofanana poyambitsa ndi kuyimitsa choyambira chofewa. Izi ndizofunikira kuti tipewe zolakwika zomwe zingachitike pazida zolipirira ndi/kapena zoyambira zofewa.
Zinthu zonse zamagawo akulu (monga ma fuse ndi zowongolera) ziyenera kukulitsidwa kuti ziyambike mwachindunji, potsatira kuchuluka kwanthawi yayitali. Ma fuse ndi zida zosinthira ziyenera kuyitanidwa padera. Katundu wa chigawo cha harmonic poyambira mafunde amayenera kuganiziridwa pakusankha zoteteza zoyambira zamagalimoto (kusankha kumasulidwa). Chonde onani kuchuluka kwa masinthidwe omwe akufotokozedwa muzofotokozera zaukadaulo.
Ndemanga:
Pamene ma motors atatu amayatsidwa, kutsika kwa magetsi kumachitika monga lamulo pa oyambitsa amitundu yonse (oyambira pa intaneti, oyambitsa wye-delta, oyambitsa zofewa). Transformer infeed iyenera kukhala yokulirapo nthawi zonse kotero kuti kuviika kwamagetsi poyambitsa mota kumakhalabe mkati mwa kulolera kovomerezeka. Ngati thiransifoma infeed ndi dimensional ndi malire ang'onoang'ono, ndi bwino kuti mphamvu voteji kuti aperekedwe osiyana dera (odziimira pa voteji yaikulu) kuti kupewa kuzimitsa zotheka kuzimitsa zoyambira zofewa.
Makina odyetsa ndi zoyambira zofewa
Mtundu wa kulumikizana molingana ndi momwe cholumikizira chamoto chokhala ndi choyambira chofewa chimayikidwa zimatengera zofunikira zomwe zimagwiritsidwa ntchito. Nthawi zambiri, kukwera kopanda fuseless (kuphatikiza zoteteza zoyambira zamagalimoto ndi zoyambira zofewa) ndikokwanira. Ngati mtundu wa mgwirizano "2" uyenera kukwaniritsidwa, ndiye kuti fusesi ya semiconductor iyenera kuikidwa mu chodyetsa galimoto.
Mtundu wa mgwirizano "1" malinga ndi IEC 60947-4-1:
Pambuyo pazochitika zazing'ono, chipangizocho ndi cholakwika ndipo sichiyenera kugwiritsidwa ntchito (kutetezedwa kwa anthu ndi dongosolo lotsimikizika).
Mtundu wa kulumikizana "2" molingana ndi IEC 60947-4-1: Pakachitika kanthawi kochepa gawolo ndiloyenera kugwiritsidwa ntchitonso (chitetezo cha anthu ndi dongosolo lotsimikizika).
Mtundu wogwirizanitsa umatanthawuza zoyambira zofewa kuphatikiza ndi zida zodzitchinjiriza zomwe zatchulidwa (choteteza choyambira chamoto / fuse), osati zigawo zina zilizonse mu feeder.
Mitundu yogwirizanitsa imasonyezedwa m'matebulo ofananira ndi zizindikiro zomwe zikuwonetsedwa pazithunzi zalalanje.
Mayeso odyetsa ndi zochitika
Kuti musunge kuchuluka kwa mayeso odyetsa ndi zoyambira zofewa za SIRIUS 3RW m'malire oyenera azachuma, mayeso adachitidwa ndi zida za feeder (zoteteza zoyambira zamagalimoto / zophulitsa ma circuit, ma fuse) omwe amaphimba kuchuluka kwa ogwiritsa ntchito (mitundu yoyambira yofewa kutengera, Mwachitsanzo, magetsi a mzere, mtundu wa dera, kapena kuwonjezereka kofunikira). Kwa mayesero ophatikizana omwe anachitidwa, zikhalidwe za mphamvu zowonongeka kwafupipafupi za Iq mu kA zinatsimikiziridwa ndi kulembedwa.
Ngati mphamvu yakuphwanyidwa kwafupikitsa ndi yofanana, inde, zowononga madera ang'onoang'ono kapena ma fuse angagwiritsidwenso ntchito poyambira zofewa zosankhidwa, malinga ndi kukula kwa zigawo zazifupi ndizoyenera kulumikiza magawo atatu agalimoto ndi mzere. chitetezo kwa zingwe ntchito. Pamtundu wa mgwirizano "2" (ndi chitetezo cha semiconductor), m'pofunikanso kufananitsa makhalidwe chifukwa ntchito yachitetezo sichingatsimikizidwenso ngati fuyusi yaying'ono idasankhidwa. Ngati choyambira chofewa chilibe ntchito yoteteza mota, chitetezo chagalimoto chiyeneranso kukulitsidwa moyenera.
Kukhazikitsa motor current
Ngati zotchingira zozungulira zokhala ndi zotulutsa mochulukira zikugwiritsidwa ntchito (mwachitsanzo SIRIUS 3RV20 motor starter protector), timalimbikitsa kuyambitsa ntchito yoteteza mota ya SIRIUS 3RW choyambira chofewa kuti chiteteze mota ndikuyika choyambira chofewa kumayendedwe apano agalimoto. Tikukulimbikitsani kuti muyike chodulira chigawocho kuti chitetezeke pamzere koma nthawi zambiri sichimayenda chisanachitike choyambira chofewa pamene kuchuluka kwa mota kumachitika.
Kutetezedwa kwa mzere ndi chitetezo chamoto
Chitetezo cha mzere ndi chitetezo chagalimoto sizimatsimikizidwa pazochitika zonse, kutengera:
Momwe chodyeramo chimapangidwira (monga ndi ma fuse kapena zoteteza zoyambira mota)
Kaya zoyambira zofewa za SIRIUS 3RW zimayendetsedwa mkati mwazofunikira pamayeso (IEC 60947-4-2)
Kapena ngati zoletsa zolembedwa (onani mawu omwe ali koyambirira kwa mutuwu) zawonedwa
Pali zigawo zogwirira ntchito za thyristors (zomwe zimayambitsidwa, mwachitsanzo, ndi maulendo oyambira kwambiri kapena kuyambira kolemetsa) zomwe sizimalola kuti kuchulukitsitsa kuchotsedwe ndi SIRIUS 3RW zoyambira zofewa. Milandu iyi ndi yosowa kwambiri koma sizingathetsedwe muzochitika zonse.
Mogwirizana ndi IEC 60947-4-2, zoyambira zofewa za SIRIUS 3RW zimayikidwa mozama ndikuwunika kuti zigwire ntchito mpaka ka 8 kuposa momwe zikuyendera pano. Kwa mafunde akulu kuposa awa, kulumikizidwa kodalirika kwa overcurrent ndi SIRIUS 3RW zoyambira zofewa sikutsimikizika. Zoterezi zazikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikuluzikulumbirimbirimbiri kuzimitsidwa ndi chipangizo chosinthira pamlingo wapamwamba(mwachitsanzo ndi chophwanyira dera kapena fuyusi molumikizana ndi cholumikizira chosankha).
Chitetezo chagalimoto ndi SIRIUS 3RW choyambira chofewa chimatsimikiziridwa kuti chikhale ndi mafunde mpaka kasanu ndi kawiri kuposa momwe amagwirira ntchito pano mulimonse. Chitetezo cha mzere chimaphimbidwa ndi chophwanyika cham'mbali kapena fuse. Zida zophatikizira zamagalimoto izi ziyenera kukulitsidwa moyenerera ndipo magawo a chingwe ayenera kusankhidwa kuti agwirizane.
Chitetezo cha Line
Kutetezedwa kwa mizere muzodyetsa zamagalimoto zokhala ndi zoyambira zofewa nthawi zonse kumaphimbidwa ndi fuse kapena chowotcha chozungulira ponseponse pakachulukidwa komanso pakangodutsa pang'ono. Wophwanyira dera ayenera kukhala ndi kutulutsa mochulukira. Ndi momwe zilili ndi zoteteza zoyambira injini (mwachitsanzo SIRIUS 3RV20).
Zowononga ma circuit popanda kutulutsa mochulukira (monga SIRIUS 3RV23 motor starter protector) zisagwiritsidwe ntchito chifukwa sizipereka chitetezo chochulukira. Kuyesa kwa feeder kwa izi sikunachitike. Ngati chowonjezera chamoto chokhala ndi zoyambira zofewa za SIRIUS 3RW chakonzedwa popanda fuse, zoteteza zoyambira zamagalimoto ziyenera kugwiritsidwa ntchito zomwe zimatsimikizira kugunda pakudzaza.
Kuteteza magalimoto
Ngati ma fuse amagwiritsidwa ntchito kuteteza kuchulukirachulukira komanso kufupikitsa kwa zingwe, injiniyo imatetezedwa ndi choyambira chofewa cha SIRIUS 3RW. Ngati zopinga (zoyambira zosavuta CLASS 10, zomwe zidalembedwa pazida zoyambira pano, nthawi yoyambira ndi kuchuluka kwa ola limodzi) ziwonedwa, zopatsa mphamvu zamagalimoto zitha kukhazikitsidwa molingana ndi IEC monga tafotokozera mgawo la zoyambira zofewa (mzere wosankha). contactor sikufunika). Ngati izi zikwaniritsidwa, zoyambira zofewa za SIRIUS 3RW zimatha kuyenda mochulukira kuti ziteteze mota mulimonse.
Muzochitika zina zoyambira komanso poyambira kwambiri, zotsatirazi ziyenera kuganiziridwa:
Maphunziro aulendo
Zoyeserera zopanda fuseless switchgear zomwe zimakhala ndi zoyambira zofewa za SIRIUS 3RW ndi zoteteza zoyambira zamagalimoto zimangotsatira CLASS 10.
Kukonza ma feed a mota oyesedwa, mwachitsanzo, a CLASS 20 kapena CLASS 30, ma fuse ayenera kugwiritsidwa ntchito limodzi ndi zoyambira zofewa za SIRIUS 3RW.
Line contactor
M'mapulogalamu okhala ndi ma frequency oyambira kapena olemetsa kuyambira pa CLASS 20, timalimbikitsa kuphatikiza ma fuse ndi kugwiritsa ntchito cholumikizira mzere kumbali ya mzere kuti kuchulukira kwa injini kumalumikizidwa ndi kulumikizidwa kolakwika kwa choyambira chofewa mulimonse (kuti ndi, ngakhale nthawi zina pamene kuchotsedwa ndi SIRIUS 3RW zoyambira zofewa sikungathekenso chifukwa cha ntchito ya thyristors).
Soft Starter ndi mtundu wa zida zowongolera zamagalimoto zomwe zimaphatikizira zoyambira zofewa, kuyimitsa kofewa, kupulumutsa mphamvu zopepuka komanso chitetezo chamitundu yambiri. Imatha kuzindikira kuyambika kosalala kwa mota popanda kugwedezeka panthawi yonse yoyambira, ndipo imatha kusintha magawo osiyanasiyana poyambira molingana ndi mawonekedwe amtundu wagalimoto, monga mtengo wamalire, nthawi yoyambira, ndi zina zambiri.
Gulu laulendo (chitetezo chamagetsi chochulukirapo)
Injini ndi zingwe ziyenera kukhala zazikulu pagulu laulendo lomwe lasankhidwa.
Zomwe zidavoteledwa zoyambira zofewa zimatengera kuyambika kwanthawi zonse (CLASS 10). Pakuyambira molemera (> CLASS1 0), choyambira chofewa chingafunike kuchulukitsidwa, popeza mphamvu yamoto yovotera yomwe ili yotsika kuposa yoyambira yofewa iyenera kukhazikitsidwa.
Kuteteza kwapafupi
SIRIUS 3RW Yoyambira yofewa ilibe chitetezo chachifupi. Ndikofunikira kupereka chitetezo chamfupi.
Chitetezo cha Line
Pewani kutentha kwa chingwe chapamwamba mosavomerezeka pokulitsa bwino magawo odutsa.
Chingwe chokwanira chokwanira chodutsa chiyenera kusankhidwa.
Mfundo yogwirira ntchito:
Choyambira chofewa (choyambira chofewa) ndi chida chowongolera ma mota chomwe chimaphatikiza zoyambira zofewa, kuyimitsidwa kofewa, kupulumutsa mphamvu zopepuka komanso ntchito zingapo zoteteza. Imatchedwa Soft Starter kunja. Choyambira chofewa chimagwiritsa ntchito ma thyristors atatu ofanana ngati chowongolera voteji, chomwe chimalumikizidwa pakati pa magetsi ndi stator yamoto. Dera loterolo ndi gawo la magawo atatu lomwe limayendetsedwa bwino ndi mlatho wowongolera. Pamene choyambira chofewa chimagwiritsidwa ntchito poyambitsa galimoto, mphamvu yotulutsa thyristor imawonjezeka pang'onopang'ono ndipo galimotoyo imathamanga pang'onopang'ono mpaka thyristor itatsegulidwa kwathunthu. Galimotoyo imagwira ntchito pamakina amagetsi ovotera kuti ikwaniritse bwino, kuchepetsa poyambira, ndikupewa kuyamba ulendo wopitilira muyeso. injini ikafika pa liwiro oveteredwa, ndondomeko poyambira umatha, zoyambira zofewa basi m'malo thyristor anamaliza ndi cholumikizira chodutsa kuti apereke voteji oveteredwa kwa ntchito yachibadwa ya galimoto, kuchepetsa imfa ya matenthedwe a thyristor ndi kuwonjezera utumiki. moyo wa zoyambira zofewa , Kuwongolera magwiridwe antchito ake, komanso kupewa kuipitsidwa kwa ma harmonic mu gridi yamagetsi. Choyambira chofewa chimaperekanso ntchito yofewa yoyimitsa. Mosiyana ndi njira yoyambira yofewa, kuyimitsidwa kofewa kumachepetsa pang'onopang'ono ma voliyumu ndipo kuchuluka kwa zosinthika kumatsika pang'onopang'ono mpaka ziro kuti tipewe kugwedezeka kwa torque komwe kumayambitsidwa ndi kuyimitsidwa kwaulere.
Mfundo yoyendetsera:
Choyambira chofewa chimawongolera mphamvu yotulutsa poyang'anira kondomu ya thyristor. Chifukwa chake, choyambira chofewa chimakhala choyambira chotsika chomwe chimatha kuwongolera. Popeza imatha kusintha ma voliyumu otulutsa mosasunthika pakuwongoleredwa kwaposachedwa, ndiyothandiza kwambiri kuposa njira zoyambira zoyambira (monga kuyambitsirana kwa mndandanda ndi kuyambitsa kwa auto-transformer). Etc.) ali ndi zabwino zambiri. Mwachitsanzo, kuyambitsa katundu wathunthu kuti muyambe kunyamula ma torque osiyanasiyana monga fani kapena pampu yamadzi, kupeza kuyimitsa kofewa kwa mota, ndikuyiyika pampope yamadzi kumatha kuthetseratu nyundo yamadzi.
Ntchito yayikulu
1. Ntchito yoteteza mochulukira: Choyambira chofewa chimayambitsa chipika chowongolera chapano, kotero chimatha kutsata ndikuwona kusintha kwa injini yamagetsi nthawi iliyonse. Powonjezera kukhazikitsidwa kwazomwe zikuchulukirachulukira komanso njira yowongolera malire a nthawi, ntchito yoteteza katundu imakwaniritsidwa. Pamene galimoto yadzaza kwambiri, thyristor imatsekedwa ndipo chizindikiro cha alamu chimaperekedwa.
2. Ntchito yoteteza kutayika kwa gawo: Pogwira ntchito, choyambira chofewa chimatha kuzindikira kusintha kwa mzere wa magawo atatu nthawi iliyonse. Pomwepo ikadulidwa, kuyankha kwa chitetezo cha gawo lotayika kumatha kupangidwa.
3. Ntchito yoteteza kutentha kwambiri: Kutentha kwa radiator ya thyristor kumadziwika ndi relay yamkati yamkati yoyambira yofewa. Pamene kutentha kwa radiator kumadutsa mtengo wovomerezeka, thyristor imazimitsidwa ndipo chizindikiro cha alamu chimatulutsidwa.
4. Ntchito yoyezera loop yoyezera: Pamene galimoto ikugwira ntchito, chojambulira mu choyambira chofewa chakhala chikuyang'anira momwe galimotoyo ikuyendetsedwera, ndipo magawo omwe amawunikira amatumizidwa ku CPU kuti iwonongeke. CPU imasanthula, kusunga, ndikuwonetsa magawo omwe amawunikidwa. Chifukwa chake, choyambira chofewa cha injini chimakhalanso ndi ntchito yoyezera magawo a loop.
5. Ntchito zina: Kupyolera mu kuphatikizika kwa mabwalo amagetsi, zotetezera zina zosiyana siyana zimatha kuzindikirika mu dongosolo.
zinthu zofunika:
1. Choyambira chofewa cha injini chimagwiritsidwa ntchito ngati chowongolera chowongolera mu kapangidwe kake, ndipo malingaliro owongolera amayendetsedwa ndi wowongolera wokhazikika wa PLC, zomwe zimapangitsa dongosolo la dongosolo kukhala losavuta komanso lomveka bwino. Kugwiritsa ntchito kuwunika kwa digito ndi makonzedwe a digito kumathandizira kudalirika kwadongosolo lowongolera komanso kumathandizira kusunga. Panthawi imodzimodziyo, ili ndi ntchito yolamulira kunja, yomwe imatha kulumikizidwa molingana ndi ntchito, yomwe ili yabwino kulamulira.
2. Choyambira chofewa cha injini chimapereka njira yoyambira yosalala komanso yapang'onopang'ono ya mota, kuchepetsa mphamvu yapoyambira pa gridi yamagetsi kapena zida zopangira magetsi, kuwongolera zoyambira mkati mwamtundu wotetezeka, ndikuwongolera dongosolo lowongolera loyambirira chifukwa cha Kuyamba kwakukulu komwe kumakhudza magetsi a fakitale. Zinthu zomwe zimakhudza magwiridwe antchito a zida zina.
3. Njira yoyambira imatengera bidirectional thyristor. Pambuyo poyambira-mmwamba ndondomeko yatha, contactor yochepa-mabwalo kulamulira akafuna thyristor, amene amapewa kulamulira mwachindunji galimoto ndi contactor kuti kulankhula mosavuta arc, kumamatira, kutentha kunja ndi kulephera zina Copyrighted by ENGINEERING China, imapulumutsanso mphamvu.
4. Njira zofewa zoyambira ndi zofewa zimatha kuchepetsa kugwedezeka kwa zida ndi phokoso, kuchepetsa kupsinjika kwamakina, ndikuwonjezera moyo wautumiki wa zida zopangira magetsi ndi makina otumizira makina.
5. Imakhala ndi ntchito zambiri zoteteza monga kuchulukirachulukira, kuchulukirachulukira komanso kuchepa kwa mphamvu. Panthawi imodzimodziyo, imatha kuzindikira zovuta zosiyanasiyana zogwiritsira ntchito machitidwe omwe akukhudzidwa ndi katundu (monga mpweya wa compressor), zomwe zimathandiza kuti zipangizo zotetezera zigwiritsidwe ntchito bwino.
6. Ntchito yowonetsera pazitsulo zowongolera zimapangitsa kuti zikhale zosavuta kumvetsetsa bwino ntchito ya zipangizo zomwe zili pa malo.
7. Kuyika kwa magawo a digito ndi ntchito zowonetsera ndizowoneka bwino, zosavuta komanso zopulumutsa nthawi.
Makhalidwe:
Kuyamba kofewa kumatengera njira yoyendetsera pulogalamu kuti iyambitse mota bwino. Njira yowongolera ndi yofewa (chidutswa) chowongolera mphamvu (magetsi). Zotsatira zowongolera zimawongolera mawonekedwe agalimoto kuyambira "zovuta" mpaka "zofewa", motero amatchedwa "kuyamba kofewa".
