Izihluzi zamandla asebenzayoinokusetyenziswa ngokubanzi kwimizi-mveliso, yorhwebo kunye nothungelwano losasazo lweziko, njengale: iinkqubo zamandla, amashishini e-electrolytic plating, izixhobo zokucocwa kwamanzi, amashishini epetrochemical, iivenkile ezinkulu zokuthenga kunye nezakhiwo zeofisi, amashishini achanekileyo ombane, isikhululo seenqwelomoya/izibuko, amaziko onyango. , njl. Ngokwezinto ezahlukeneyo zesicelo, ukusetyenziswa kweisihluzo samandla asebenzayoiya kudlala indima ekuqinisekiseni ukuthembeka konikezelo lwamandla, ukunciphisa ukuphazamiseka, ukuphucula umgangatho wemveliso, ukwandisa ubomi bezixhobo kunye nokunciphisa umonakalo wezixhobo.
1.Ishishini loNxibelelwano
Ukuze kuhlangatyezwane neemfuno zokusebenza kwamaziko eenkcukacha ezinkulu, amandla e-UPS kwinkqubo yonxibelelwano kunye nokusabalalisa ayanda kakhulu.Ngokophononongo, izixhobo eziphambili ze-harmonic zonxibelelwano lwe-low-voltage distribution system yi-UPS, ukunikezelwa kwamandla okutshintsha, ukuguqulwa kwe-air conditioning rhoqo njalo njalo.Umxholo we-harmonic uphezulu, kwaye amandla okufuduka kwezi zixhobo zomthombo we-harmonic aphezulu kakhulu.Ngokusetyenziswa kweisihluzo esisebenzayoinokuphucula ukuzinza kwenkqubo yonxibelelwano kunye nenkqubo yokuhambisa amandla, ukwandisa ubomi benkonzo yezixhobo zonxibelelwano kunye nezixhobo zamandla, kwaye wenze inkqubo yokusabalalisa amandla ngokuhambelana neenkcukacha zoyilo lwe-harmonic.
2.Ishishini leSemiconductor
I-harmonic ye-3 kumashishini amaninzi e-semiconductor inzima kakhulu, ngokukodwa ngenxa yenani elikhulu lezixhobo zokulungiswa kwesigaba esisodwa ezisetyenziswa kumashishini.I-harmonic yesithathu yeye-zero yolandelelwano lwe-harmonics, eneempawu zokuqokelela kumgca ongathathi hlangothi, okukhokelela kuxinzelelo olugqithisileyo kumgca ongathathi hlangothi, kunye nesiganeko sokutshisa, esinobungozi obukhulu obufihliweyo kukhuseleko lwemveliso.IiHarmonics zinokubangela ukuba abaphuli beesekethe bahambe, balibazise ixesha lokuvelisa.I-harmonic yesithathu yenza ukujikeleza kwi-transformer kwaye ikhawuleza ukuguga kwe-transformer.Ukungcoliseka okunzulu kwe-harmonic kuya kuchaphazela ngokuqinisekileyo ukusebenza kakuhle kwenkonzo kunye nobomi besixhobo kwinkqubo yokuhambisa amandla.
3.Ishishini lepetrochemical
Ngenxa yeemfuno zemveliso, kukho inani elikhulu lomthwalo wempompo kwishishini le-petrochemical, kwaye imithwalo emininzi yepompo ixhotyiswe nge-inverters.Ukusetyenziswa kwe-frequency converter kwandisa kakhulu umxholo we-harmonic kwinkqubo yokuhambisa amandla kwishishini lepetrochemical.Uninzi lwamakhonkco okulungiswa kwe-inverter kukusetyenziswa kwee-pulses ezi-6 ukuguqula i-AC kwi-DC, ngoko ke i-harmonics eveliswayo ngokuyininzi i-5, 7, 11 amaxesha.Iingozi zayo eziphambili ziingozi kwizixhobo zamandla kunye nokutenxa kumlinganiselo.Ukusetyenziswa kwesihluzo esisebenzayo sinokuba sisisombululo esilungileyo kule ngxaki.
4.Ishishini lefayibha zeChemical
Ukuze kuphuculwe kakhulu izinga lokunyibilika, ukuphucula umgangatho wokunyibilika kweglasi, kunye nokwandisa ubomi beziko kunye nokugcina amandla, izixhobo zokufudumeza zombane ezinyibilikayo zisetyenziswa ngokuqhelekileyo kwishishini lemichiza yefayibha, kwaye umbane uthunyelwa ngokuthe ngqo kwitanki yeglasi. ifudunyezwe ngamafutha ngoncedo lwee-electrode.Ezi zixhobo ziya kuvelisa inani elikhulu le-harmonics, kwaye i-spectrum kunye ne-amplitude ye-harmonics yesigaba sesithathu ihluke kakhulu.
5.Steel / medium frequency ukufudumeza ishishini
Iziko eliphakathi lamaxesha amaninzi, ilitye lokusila, i-arc yombane kunye nezinye izixhobo eziqhelekileyo ezisetyenziswa kwishishini lentsimbi ziya kuba nefuthe elibalulekileyo kumgangatho wamandla wegridi yamandla, ukuze imbuyekezo yembuyekezo ye-capacitor inyathelo lokukhusela umthwalo ogqithisiweyo rhoqo, i-transformer kunye namandla Ubushushu bomgca wonikezelo bunzulu, i-fuse ivuthelwa rhoqo, kwaye ide ibangele ukwehla kwamandla ombane, i-flicker.
6.Ishishini lokwenziwa kweemoto
Umatshini wokuwelda sisixhobo esiyimfuneko kwishishini lokuvelisa iimoto, kuba umatshini wokuwelda uneempawu zokungakhethi, ngokukhawuleza kunye neempembelelo, ukuze inani elikhulu lomatshini wokuwelda libangele iingxaki ezinzulu zomgangatho wamandla, okukhokelela kumgangatho ongazinzanga wokuwelda, iirobhothi ezinomgangatho ophezulu. iqondo lokuzenzekelayo alikwazi ukusebenza ngenxa yokungazinzi kombane, inkqubo yembuyekezo yamandla asebenzayo ayinakusetyenziswa ngokuqhelekileyo.
Ulawulo lwe-7.Harmonic yemoto ye-DC
Izikhululo zeenqwelomoya ezinkulu ze-DC kufuneka ziguqule i-AC ibe yi-DC ngezixhobo zokuhlaziya kuqala, kuba umthamo womthwalo wezo projekthi mkhulu, ngoko kukho ungcoliseko olubi lwe-harmonic kwicala le-AC, olukhokelela ekugqwethekeni kwamandla ombane, kunye neengozi ezimandundu.
I-8.Ukusetyenziswa kwemigca yokuvelisa ngokuzenzekelayo kunye nezixhobo ezichanekileyo
Kumgca wokuvelisa ngokuzenzekelayo kunye nezixhobo ezichanekileyo, i-harmonics iya kuchaphazela ukusetyenziswa kwayo ngokuqhelekileyo, ukwenzela ukuba inkqubo yokulawula ingqiqo, inkqubo ye-PLC, njl., ukungaphumeleli.
9.Inkqubo yesibhedlele
Izibhedlele zineemfuno ezingqongqo kakhulu ekuqhubekeni nokuthembeka konikezelo lwamandla.Ixesha elizenzekelayo lokubuyisela umbane weendawo zeKlasi ye-0 yi-T≤15S, ixesha lokubuyisela umbane oluzenzekelayo kwiindawo ze-Class 1 yi-0.5S≤T≤15S, ixesha lokubuyisela umbane oluzenzekelayo lweendawo zeklasi ze-2 yi-T≤0.5S, kwaye ireyithi ye-harmonic yokuphazamiseka kombane we-THDu ngu-≤3%.Oomatshini beX-reyi, oomatshini be-CT, kunye nencasa yemagnethi yenyukliya yimithwalo enomxholo ophezulu kakhulu we-harmonic.
10.Ithiyetha/Ijimnaziyam
I-Thyristor dimming system, izixhobo ezinkulu ze-LED kunye nokunye ziyimithombo ye-harmonic, kwinkqubo yokusebenza iya kuvelisa inani elikhulu le-harmonic yesithathu, kungekhona nje ukuba kubangele inkqubo yokusabalalisa amandla okungasebenzi kakuhle kwezixhobo zamandla, kodwa kubangele ukukhanya kwe-strobe, unxibelelwano, i-cable TV. kunye nezinye ingxolo yesekethe yombane ebuthathaka, kwaye kwanokuvelisa ukusilela.
Ixesha lokuposa: Jul-17-2023