Pambuyo pazaka zingapo zachitukuko, zida zamagetsi zomwe sizingaphulike pogwiritsa ntchito mgodi zapita patsogolo kwambiri.Tekinoloje yamagetsi yamagetsi yamagetsi a malasha, makina owunikira chitetezo chamigodi ya malasha ndi zinthu zina zodzipangira okha zafika pamlingo wina.Ukadaulo wa Mechatronics ndi ukadaulo wowongolera kuthamanga kwamagetsi zamagetsi zagwiritsidwa ntchito m'migodi ya malasha.Makina oyendetsa pansi pa nthaka, makina okweza ndi makina amigodi ya malasha ayamba kugwiritsidwa ntchito kwambiri.Ziyenera kunenedwa kuti patatha zaka zambiri zachitukuko, njira yopangira makina opangira magetsi osaphulika apangidwa, omwe amakwaniritsa zofunikira zachitukuko za migodi ya malasha yapansi panthaka kuti apereke mphamvu ndi kugawa, kugwiritsira ntchito mobisa, kulamulira ndi kuteteza.
M'zaka zaposachedwa, zida zamagetsi zomwe sizingaphulike pamigodi zakulitsidwa m'mawonekedwe ndi machitidwe, monga zoyambira zofewa za migodi, zosaphulika komanso zotsika kwambiri za migodi, zida zowongolera kuthamanga kwa migodi zotsimikizira kuphulika kwa migodi, zosaphulika komanso zotsika. ma switch ophatikiza ma voltage amigodi ndi zinthu zina zaukadaulo zatsopano.Amagwiritsidwanso ntchito kwambiri pansi pa nthaka m'migodi ya malasha.Chifukwa cha kufunikira kosalekeza komanso kosasunthika, kupanga zinthu zamagetsi za migodi m'dziko langa kwapanga makampani akuluakulu opanga zinthu, ndipo mpikisano wa anzawo wakula kwambiri.Momwe mungapewere mpikisano wamitengo, kupewa kupanga mobwerezabwereza, ndikukulitsa mabizinesi kudzera muukadaulo waukadaulo lakhala funso kwa wopanga ndi wogwiritsa ntchito zida zamagetsi zamagetsi mumigodi.Kodi njira yotukula bwino bizinesi ili kuti?Kukonzekera kwaumisiri kokha ndi njira yokhayo yopezera msika popanga zida zamagetsi zamakono, zamtengo wapatali.Panthawi imodzimodziyo, ponena za ubwino wa anthu, kokha kupyolera mu luso lazopangapanga ndi chitukuko cha makina a migodi ya malasha, kuyika magetsi ndi makina opanga makina omwe tingalimbikitse kukhazikitsidwa kwa mgodi wamakono wotetezeka kwambiri.
Kusintha kwaukadaulo ndi chizindikiro chofunikira chowunikira ngati bizinesi yapita patsogolo, ngati ili ndi mpikisano wamsika, komanso ngati ingapitilize kukhala patsogolo paopikisana nawo.Ndi chitukuko chofulumira cha msika wa zida zamagetsi za migodi mdziko langa, kugwiritsa ntchito ndi kafukufuku ndi chitukuko chaukadaulo wopangira ukadaulo wokhudzana ndi izi kudzakhala chidwi cha mabizinesi pamsika.Kumvetsetsa zomwe zikuchitika pakufufuza ndi chitukuko, zida zamakina, kugwiritsa ntchito ukadaulo komanso momwe ukadaulo woyambira pakupanga zida zamagetsi zapanyumba ndi zakunja ndikofunikira kuti makampani apititse patsogolo luso lazogulitsa ndikuwongolera mpikisano wamsika.Ngakhale zinthu zatsopano monga zoyambira zofewa zapamwamba komanso zotsika, ma switch ophatikizira okwera ndi otsika, ndi zida zowongolera ma frequency akusinthidwa mosalekeza, chitukuko cha zinthuzi chimakhalabe ndi zoletsa zambiri.Zambiri mwazinthu zamagetsi zomwe sizingaphulike zimadalirabe ukadaulo wakunja.Pali kusiyana kwakukulu pakati pa kupanga kwa zigawo zazikuluzikuluzi ndi zinthu zakunja zofanana.Ukadaulo waukadaulo nthawi zambiri umadutsa magawo atatu kuyambira pakufufuza koyambirira ndi chitukuko mpaka kukhwima: nthawi yoyambira, nthawi yakukula ndi nthawi yakukhwima.Munthawi yoyambira, chitukuko chaukadaulo chimachepa kwambiri, ndipo nthawi zambiri chimatenga nthawi yayitali kuti chidutse;Mwachitsanzo, pafupifupi 50% ya siteji yathu panopa kutembenuka pafupipafupi kutembenuka liwiro kulamulira chipangizo, za 50% ya migodi kuphulika-umboni mabizinezi mwachindunji kugula yachilendo kayendedwe msonkhano kupanga;40 % Yamabizinesi amatengera ukadaulo wapakhomo kuti amwe ndikugwiritsa ntchito, ndipo pafupifupi 10% yokha yamabizinesi omwe amatha kupanga ndi kupanga paokha.Nthawi yomweyo, kafukufuku wa EMC wa inverter akadali pagawo loyambirira, koma siteji iyi imatipatsa zovuta.Momwe mungagonjetsere zotsatira za ma inverter linanena bungwe harmonics pa magetsi ndi kuwunika zida za gululi mphamvu wakhala chandamale cha makampani ambiri.Idzakhalanso gawo lotsatira la zolinga zachitukuko.Pamene luso lamakono lili mu kukula, luso lamakono likukula mofulumira, ndipo luso lamakono likukula mofulumira;mwachitsanzo, makina ometa pafupipafupi kutembenuka kwanthawi yayitali, pogwiritsa ntchito mawonekedwe a kutembenuka pafupipafupi pafupipafupi kuwongolera kuthamanga kwamphamvu ndi kuwongolera kwapakati kwa PLC, kumagwiritsidwa ntchito mochulukira pakumeta ubweya Wokhwima, kuwongolera magwiridwe antchito ndi kudalirika kwa wometa, ndikuchotsa ukadaulo wama hydraulic traction;Chitsanzo china ndi hydraulic winch, yomwe imagwirizanitsa magetsi, mafuta, ndi gasi.Ntchitoyi ndi yovuta, yakumbuyo, yaphokoso, komanso ntchito yokonza ndi yayikulu., Pambuyo potengera ukadaulo wosinthira ma frequency-proof frequency converter, njira yopangirayo yasinthidwa kotheratu, ndipo yadziwika ndi ogwiritsa ntchito mabizinesi amalasha.Pamene luso lazopangapanga likulowa m'nthawi yokhwima, luso lamakono limakhala lokhazikika, palibe kusintha kwakukulu komwe kudzachitike, ndipo kupita patsogolo kwaumisiri kumawonekera pakusintha pang'ono.Mwachitsanzo, kusintha kwamakono kwapamwamba ndi kutsika kwamagetsi kuli pafupi ndi mlingo womwe ulipo wakunja.Kugwiritsa ntchito ukadaulo wamagetsi monga PLC, DSP, ndi fieldbus kumapereka chithandizo chaukadaulo pakugwira ntchito kosasunthika kwa switch switch, ndipo zida zoyenera zolowera chingwe zafika popanga nyumba.Kapangidwe kagawo kakusintha kophatikizana nakonso kwapita patsogolo kwambiri.Pokhapokha pozindikira njira zitatu zachitukuko cha luso lazopangapanga komanso momwe tingakhazikitsire molondola malingaliro a chitukuko cha zinthu zathu.
Makampani ambiri amazindikiranso kufunikira kwaukadaulo waukadaulo, koma akuvutika kuti apeze zopambana.Poganizira momwe zinthu zilili pano, cholinga chathu chaukadaulo chili kuti?M'malo mwake, zoyambira zam'mbuyo, zosinthira chakudya, ndi mabokosi owongolera magetsi amatetezedwa makamaka ndi mabwalo amagulu, omwe amakhala ndi zovuta zamagulu osakhazikika komanso kugwedezeka kwakukulu.Kugwiritsa ntchito ukadaulo wa monolithic pachitetezo kumabweretsa magwiridwe antchito ndi magwiridwe antchito.Ubwino wokhazikika;Kugwiritsiridwa ntchito kogwirizana kwa mawonekedwe a makina a munthu kumapangitsa kuti ntchitoyi ikhale yomveka bwino, ndipo ntchito yokumbukira zolakwika imapereka maziko a mabizinesi a migodi ya malasha kuti afufuze zovuta.Ukadaulo waukadaulo umayang'ananso pakusintha kosalekeza kwa magwiridwe antchito ake.Mwachitsanzo, kampani ya GM series coal shearer isolation switch ili ndi gawo la msika la 90%, ndipo ntchito yake yokhazikika yadziwika ndi makampani omwewo;kampani ya miniaturized flameproof komanso yoyambitsa madzi otetezedwa mwachilengedwe yapambananso pamakampani Ndi kuzindikira kwa ogwiritsa ntchito mabizinesi a malasha.Milandu yambiri yopambana yamabizinesi ndiyoyenera kuti tiphunzire komanso kutchulidwa.Mabizinesi akuyenera kusintha mwachimbulimbuli kutsatira zomwe zikuchitika ndikufunafuna kukwanira pazogulitsa, ndikungoganizira za kufalikira, ndikunyalanyaza kuwongolera magwiridwe antchito awo.Ukatswiri waukadaulo ndi ufulu wodziyimira pawokha wazinthu zopanga nzeru ndi chitsimikizo cha chitukuko cha mabizinesi athu osaphulika migodi.
Kumvetsetsa momwe zinthu zikukulirakulira kumakhudzanso msika.Potengera momwe zinthu zamigodi zikuyendera, mfundo zitatu zotsatirazi zimaperekedwa pazida zamagetsi zomwe sizingaphulike migodi:
Choyamba, kufufuza kofunikira kwa zida zamagetsi
dziko langa linayamba kugwiritsa ntchito vacuum chubu kumayambiriro kwa zaka za m'ma 1980.Pakali pano, zosinthira zoteteza kuphulika kwa migodi zakhala zikugwiritsidwa ntchito kwambiri m'migodi yapansi panthaka.Kugwiritsa ntchito vacuum chubu kwathandiza kwambiri kuti magetsi azikhala otetezeka m'migodi ya malasha.Mwachitsanzo, zinthu zoyambira kuphulika za vacuum electromagnetic starter zamigodi zimakhala ndi mphamvu zotha kusweka, zomwe ndizoyenera kuyambitsa pafupipafupi ma mota apansi panthaka ndikukonza kochepa;Zopangira mgodi wosaphulika Nthawi yonse yosweka ya mtundu wa vacuum feed switch ndi yaying'ono, ndipo molumikizana ndi chitetezo chowotcha mwachangu, imathandizira chitetezo cha anti-shock ndi anti-gasi kuphulika.Kufunika kwa ma vacuum contactors ndi ma vacuum circuit breakers ndiakulu kwambiri, koma mtundu wa vacuum chubu pamsika wapano ndiwosiyana.Njira zambiri zopangira zikadali zoyambira kumayambiriro kwa zaka za m'ma 1980 ndipo zikadali zazikulu poyerekeza ndi zakunja.kusiyana.Mu ntchito vacuum machubu, palinso chikoka ntchito overvoltage ndi chitsimikizo vacuum.Kuchepa kwa vacuum kumatha kuyambitsa ngozi zotayikira pachitsime, zomwe zimakhudza kupanga ndi ngozi.Makampani ena ayambanso kudzipereka pa kafukufuku wa zida zamagetsi zamagetsi za vacuum chubu, ndipo Kafukufuku wokhudzana ndi chitetezo cha mpweya wotuluka wapita patsogolo pachitetezo cha kutayikira kwa mpweya ndi njira zodzitetezera ku ma chubu a vacuum.Ili ndiye tsogolo
Perekani chitsimikizo cha ntchito yotetezeka ya zida zamagetsi zapansi panthaka.Ndikukula kosalekeza kwaukadaulo wamagetsi, kugwiritsa ntchito zida zamagetsi zamagetsi m'malo mwa machubu a vacuum kuzindikira koyambira ndikuyimitsa kuwongolera kwagalimoto kudzakhala njira yachitukuko.Zakhala zikugwiritsidwa ntchito poyang'anira chitetezo chokwanira cha kubowola magetsi a malasha, monga kutsekedwa kosalumikizana kwa thyristors.Kuwongolera, kuwonjezera moyo wautumiki, otetezeka komanso odalirika.Kugwiritsa ntchito SCR yamphamvu kwambiri poyambira kwasinthanso magwiridwe antchito achikhalidwe.Ngakhale kugwiritsa ntchito zida zamagetsi zamagetsi kumapereka mphamvu zatsopano pakuchita komanso kudalirika kwazinthu zamagetsi zomwe sizingaphulike, kumabweretsanso nkhani zatsopano pachitetezo chaukadaulo komanso chitetezo chazinthu.
Chachiwiri, kusankha kutayikira kafukufuku wa otsika-voltage chakudya lophimba
Kuteteza kutayikira ndi chimodzi mwazinthu zazikulu zitatu zoteteza zida zamagetsi zapansi panthaka m'migodi ya malasha, ndipo kudalirika kwa chitetezo chake kumakhudza kupanga chitetezo cha migodi ya malasha.Mfundo yamakono yodzitchinjiriza yodzitchinjiriza ya switch yamagetsi otsika ikadali yozikidwa pachitetezo cha zero-sequence voltage ndi zero-sequence current;Kuphatikiza apo, DC yakunja imagwiritsidwa ntchito kuyang'anira mosalekeza kutsekemera kwa netiweki yamagetsi.Chifukwa cha kutalika kwa maukonde amagetsi ndi kugwiritsa ntchito zingwe zotetezedwa, komanso kugwiritsa ntchito zida zamagetsi zamagetsi monga ma frequency converter, maukonde apansi panthaka ndi ovuta.Pali zambiri zosokera pakusankha kutayikira kwachitetezo komanso kusatsimikizika kwamphamvu yogawidwa.Zofunikira pachitetezo cha kutayikira zimayikidwa patsogolo.Kugwiritsa ntchito luso digito kupeza, mmene kusanthula mkhalidwe wa capacitance anagawira mu chitsime, kukwaniritsa yeniyeni kusankha tripping ndi kudula nthambi zolakwika popanda kukhudza nthambi zina ntchito, ndi kuonetsetsa odalirika ndi otetezeka magetsi mobisa ndi latsopano. mutu womwe ukufunika kuphunziridwa mwachangu.
Chachitatu, chitukuko cha migodi AC inverter mankhwala
Chifukwa cha kupita patsogolo kopitilira muyeso ndi chitukuko cha sayansi ndiukadaulo, kugwiritsa ntchito zida zamagetsi zamphamvu kwambiri m'migodi yapansi panthaka kwakula mwachangu.Pakati pawo, chipangizo chowongolera liwiro la AC chimakhala ndi zabwino zambiri, kulephera kochepa, komanso magwiridwe antchito abwino, omwe amatha kusintha kwambiri kupanga.Ndi chidwi cha makampani kupanga malasha, mgodi pafupipafupi kutembenuka liwiro kuwongolera chipangizo ntchito makamaka ntchito kulamulira liwiro pafupifupi 100kW, monga malasha migodi electromechanical traction mbali.Kawirikawiri, siteji yakutsogolo imakhala ndi thiransifoma yapadera kuti ipereke mphamvu, yomwe imakhala yochepa kwambiri pa gridi yamagetsi.Komabe, pomwe ukadaulo wosinthira pafupipafupi ukupitilira kukula, kuyambira kugwiritsa ntchito bwino zida zometa magetsi m'zaka za m'ma 1980, zida zopangira migodi ya malasha monga ma ventilator, ma winchi, hoist, ma compressor air ndi zida zina zamakina zayamba kugwiritsa ntchito ukadaulo wowongolera pafupipafupi .Osati kusintha chikhalidwe kupanga ndondomeko, komanso makamaka ophatikizidwa mwachangu mkulu ndi kupulumutsa mphamvu.Mwachitsanzo, fani wamkulu wa mgodi amasankhidwa malinga ndi kuchuluka kwa mpweya wofunikira pa moyo wautumiki wa mgodi.Kuchokera pakupanga shaft mpaka kupanga mpaka mgodi utachotsedwa, mpweya wofunikira mu nthawi iliyonse ndi wosiyana, ndipo kusiyana kwake ndi kwakukulu kwambiri.Kugwiritsa ntchito makina kusintha kwa voliyumu ya mpweya kumayambitsa kuwonongeka kwamagetsi.Mafani amapulumutsa mphamvu pogwiritsa ntchito ukadaulo wosinthira pafupipafupi.Chitsanzo china ndi chakuti mafani a m'deralo mu nkhope ya migodi amaikidwa m'malo ambiri ndipo amathamanga kwa nthawi yaitali, yomwe imakhala yogwiritsa ntchito mphamvu zambiri.Chifukwa cha kukula kosalekeza kwa migodi ya malasha, mpweya wofunika kwa nthawi yaitali ndi wochepa kwambiri kuposa mpweya wabwino.Kutha kwa mpweya wa makinawo, poganizira momwe zinthu zilili panopa za trolley yaikulu yokokedwa ndi kavalo, mphamvu yopulumutsa mphamvu yogwiritsira ntchito ukadaulo wowongolera pafupipafupi kutembenuka ndi zoonekeratu.Chifukwa chakuchita bwino kwa ma frequency converter komanso magwiridwe antchito abwino, imatha kugwiritsa ntchito ma braking amagetsi komanso kuwongolera liwiro lopanda mayendedwe kuti apulumutse mphamvu.Ndichizoloŵezi chosapeŵeka chogwiritsa ntchito ukadaulo wosinthira pafupipafupi kwambiri m'migodi ya malasha.Koma pakali pano, palibe chitukuko cha mankhwala kapena teknoloji yoyesera yomwe ingagwirizane ndi zosowa za chitukuko cha kupanga.
Malinga ndi chidziwitso cha ntchito ya chipangizo chowongolera liwiro la kutembenuka kwapang'onopang'ono, ndikofunikira kugwiritsa ntchito bwino chipangizo chowongolera liwiro, ndi magetsi, makina osinthira pafupipafupi, ndi makina opanga ziyenera kuphatikizidwa ndiukadaulo wopanga ngati dongosolo kuti aphunzire, ndi njira zopondereza zoyenera zidzatengedwa ku ma harmonics a gridi yamagetsi.Kuti agwirizane ndi chitukuko cha ukadaulo wamagetsi osinthira pafupipafupi mgodi wa malasha, fufuzani momwe zida zosinthira ma frequency amphamvu kwambiri pamigodi, kafukufuku wa frequency converter EMC ndi momwe mafunde akuponderezedwa ndi zovuta zina zaukadaulo, ndikupereka zotsogola. ukadaulo wokhudza kafukufuku wasayansi, kupanga ndi kupanga ma converter pafupipafupi amigodi.Malo oyesera ali pafupi.
Momwe mungapangire kuzindikira kwa EMC kuti chosinthira pafupipafupi cha mgodi chigwiritsidwe ntchito mumgodi wa malasha "wobiriwira" ndikuchepetsa kuwonongeka kwa kupanga mgodi wa malasha wakhala mutu wofunikira ku dipatimenti yozindikira gawo lotsatira.
dziko langa ndi lalikulu kwambiri padziko lonse lapansi kupanga malasha, ndipo malasha ndi gwero lalikulu la mphamvu dziko langa.Poyang'ana pa chitukuko cha mfundo zitatu zomwe zili pamwambazi, chitukuko cha makina a migodi ya malasha ndi kuyika magetsi pogwiritsa ntchito luso lamakono ndizofunika kwambiri kuti migodi ya malasha ikhale yamakono.Kuti tikwaniritse zofunikira zaukadaulo wamabizinesi ndi chitukuko, bungwe lathu loyesa lipitiliza kupititsa patsogolo luso lake ndikupereka njira zapamwamba zoyesera ndi njira zoyesera.Poyankha zosowa za chitukuko chaukadaulo, National Safety Production Shanghai Mining Equipment Inspection Center yapitilizabe kuwongolera luso lake ndi magawo ake.Mwachitsanzo, thanki yaikulu yoyesa kuphulika kwa 3.4m yakhala ikuphatikizidwa mu polojekiti yomwe inakonzedwa kuti igwirizane ndi kuyang'anira zida zamagetsi zazikulu zamigodi.Kufunika: Kuwunika kwa ma inverters otsimikizira kuphulika kwa mgodi kudzakwezedwa mpaka 1000kW kuti akwaniritse zoyeserera zamagalimoto akulu akulu-voltage ndi ma inverter okwera kwambiri.Dipatimenti yathu yoyesera idzagwiritsa ntchito chithandizo chamakono choyesera ngati njira yolimbikitsira kusinthanitsa ndi mgwirizano ndi mabizinesi, ndikupereka chithandizo chaukadaulo paukadaulo waukadaulo ndi kasamalidwe ka chitetezo chazinthu zamagetsi zomwe sizingaphulike kumigodi.
Nthawi yotumiza: Oct-14-2021