1. Gwero la ulamuliro wogwirizana
Mawu akuti pulse current adayamba ndi kusanthula masamu a pulse pano okhudzana ndi zida zamayimbidwe.Yakhazikitsa maziko abwino m'zaka za zana la 18 ndi 19.Fourier et al.adalongosola momveka bwino njira yowunikira ya harmonic, yomwe imagwiritsidwabe ntchito kwambiri pamakina operekera magetsi.Vuto la kugunda kwa mtima lilipo kale kwambiri m'zaka za zana la 20.Nthawi ndi 1930s adakopa chidwi cha aliyense.Panthawiyo, ku France kugwiritsira ntchito makina osinthira a mercury arc omwe amasinthasintha kunapangitsa kuti mafunde asinthe ma voltage ndi apano.Mu 1945, JCRead idasindikiza mafunde osinthira ma pulse.M'zaka za m'ma 1950 ndi 1960, chifukwa cha chitukuko cha teknoloji yamagetsi yamagetsi yamagetsi, otembenuza okhudzana anamasulidwa, zomwe zinayambitsa mavuto ambiri amakono pamagetsi.Kuyambira m'ma 1970, chifukwa cha chitukuko chofulumira cha teknoloji yamagetsi yamagetsi, zipangizo zamagetsi zamagetsi zamagetsi zamagetsi zamagetsi, kupanga mafakitale, kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kakeZotsatira zoyipa za ma pulse mafunde zikuchulukirachulukira.Padziko lonse lapansi apereka chisamaliro chokwanira ku vuto la kugunda kwamtima.Misonkhano ingapo yamaphunziro yokhudzana ndi zovuta zomwe zikuchitika pano yachitika padziko lonse lapansi.Mabungwe onse akuluakulu ofufuza zamaphunziro apanga malamulo ndi zofunikira zochepetsera mphamvu yamagetsi ndi zida zogwiritsira ntchito mphamvu.Zipangizo zamagetsi zimatenthedwa kwambiri, zomwe zimapangitsa kugwedezeka ndi phokoso, ndikupangitsa kuti gawo la insulating likhale lolimba.Moyo wautumiki umafupikitsidwa, ndipo ngakhale zolakwika kapena kuwonongeka kumachitika.Kuthamanga kwamphamvu kumapangitsa kuti gawo lina lamagetsi limveke motsatizana kapena mofanana.Zidzapangitsa kuti chipangizo choteteza ma relay ndi chida choteteza zisagwire bwino, kupangitsa kuti muyeso wa mphamvu yamagetsi ndi kutsimikizira kuyende molakwika, ndipo mphamvu yakunja yamagetsi imayambitsa kusokoneza kwakukulu kwa zida zolumikizirana ndi zinthu zamagetsi.
Kodi mungayendetse bwanji pulse current?Makamaka pankhani yosinthira magetsi ndi kukonza magalimoto, ndikuwongolera makina owongolera mafakitale, kuteteza chilengedwe ndi kupulumutsa mphamvu, njira zopulumutsira mphamvu ndi kuchepetsa utsi, ma motors sakhala olumikizidwa mwachindunji ndi gridi yamagetsi ndipo amagwiritsidwa ntchito mwachindunji.Kawirikawiri, amayendetsedwa ndi zoyambira zofewa.Inverter imatha kuwongolera mosinthika kuchuluka kwa mphamvu ndi liwiro la mota, kukwaniritsa zofunikira za ntchitoyi, ndipo imakhala ndi zotsatira zochititsa chidwi pakuteteza chilengedwe komanso kupulumutsa mphamvu.Monga aliyense akudziwa, choyambitsa chofewa chayambitsa vuto la harmonic panopa ku gridi yamagetsi.Makampani onse amagetsi samalola makasitomala kuti awonetse kuchuluka kwa ma harmonic panopa ku gridi yamagetsi.Makasitomala amakakamizika kuthetsa mphamvu ya harmonic yomwe imayambitsidwa ndi choyambira chofewa.Ndi choyambira chofewa Kugwiritsa ntchito kwakukulu ndi kuteteza ma motors, MTE imaphatikizapo ma reactors angapo, zotulutsa zotulutsa, zosefera za dv/dt ndi zinthu zina, mapangidwe apadera a dV Sentry amapereka chitetezo chakumbali cha katundu, kulola ma mota a AC, zingwe ndi zoyambira zofewa kutetezedwa. kuchokera ku ma spikes ogwiritsira ntchito magetsi komanso kusokonezedwa ndi ma voltages omwe amagwiritsidwa ntchito wamba.
Fyuluta yopangidwa bwino imaphatikiza kuchepetsedwa kwa 50% mumachitidwe wamba, chitetezo chamagetsi a m'chigwa ndi kuchepetsa nthawi yokwera.
2. Kuwongolera kwa Harmonic kumasunga cholinga chopulumutsa mphamvu ndi kufunika kwake
Musaganize kuti kukhalapo kwa pulse current kudzangokhudza mphamvu ya gridi yamagetsi.Ndipotu, zimagwirizananso ndi mphamvu yogwiritsira ntchito mphamvu komanso kuchuluka kwa madzi ndi magetsi.Mwa kuyankhula kwina, ngati mphamvu ya harmonic mu dongosolo la gridi yamagetsi ikhoza kuthetsedwa, zidzakuthandizani kukhalabe ndi cholinga chopulumutsa magetsi.
Ndi kusintha kwa malamulo a dziko opulumutsa mphamvu ndi kuchepetsa mpweya, njira zosiyanasiyana zopulumutsira mphamvu zidzatengedwa ndi mizinda ikuluikulu, ndipo kulamulira kwa harmonic kudzakhalanso malo abwino kwambiri opambana.
Ngakhale kukhazikitsa ulamuliro wa harmonic nthawi zambiri kumangowonjezera mphamvu zamagetsi, koma kuonetsetsa kuti zida zimagwiritsidwa ntchito bwino, koma ndikusintha kwapang'onopang'ono kwaukadaulo, sikuli koyipa kwambiri kuti mugwiritse ntchito ngati imodzi mwazinthu zosungira mphamvu zopulumutsa mphamvu. zotsatira zotheka.
Pali njira ziwiri zokwaniritsira cholinga chopulumutsira magetsi, imodzi ndiyo kuchepetsa ntchito yamagetsi yochuluka, ndipo ina ndiyo kupititsa patsogolo mphamvu ya ntchito ya mphamvu.
Mafunde a Harmonic amatha kuwononga kuwonongeka, chimodzi mwazomwe zimayambitsa kuwononga mphamvu, kapena kutentha kwa dera.Kutayika kwa kutentha kumeneku kumawonekera mu mphamvu yogwira ntchito ya mita imodzi yamagetsi yamagetsi.Ngati kutaya kwa harmonic panopa mu mzere kungachepe, cholinga chopulumutsa magetsi chingapezeke.
Koma bwanji za zotsatira zenizeni za ntchito yeniyeniyo?Ponena za njira yapano ya harmonic control, kusankha kwakukulu ndi fyuluta yogwira ntchito ndi notch power circuit type passive fyuluta.Zosefera zamtunduwu zimayikidwa pamzere pamzere, ndipo zotsatira zenizeni zomwe zapezedwa sizabwino kwambiri.
Mosiyana ndi zimenezi, zotsatira za kulamulira kwa harmonic pa pulse current source load zidzakhala zabwino kwambiri.Ngati pulse panopa fyuluta waikidwa pa aliyense zimachitika panopa gwero katundu, osati zabwino mphamvu zopulumutsa mphamvu, komanso Ikhoza kuonetsetsa khalidwe la kampani mphamvu netiweki mkati, amene ali dongosolo Kukwezeleza izi.
Nthawi yotumiza: Apr-13-2023