Harmonics e ama IT, mekhoa ea puisano / ea banka ka litsela tse peli: conduction le radiation.Boemo ba phetisetso bo bolela matla a harmonic a kentsoeng marang-rang a phepelo ea motlakase ka mehloli ea hajoale ea pulse joalo ka li-converter.Boemo ba mohloli oa mahlaseli ke hore maqhubu a harmonic a kenngoa tsamaisong ea puisano.Joalo ka ha ho boletsoe kaholimo ho tlhaloso, "Morero oa litlhaloso ke ho fokotsa motlakase oa "harmonic" oa sistimi ea phepelo ea motlakase ho isa boemong (boemo bo feto-fetohang) bo ke keng ba baka litlamorao tse mpe ho lisebelisoa tse bobebe.Litlamorao tse tloaelehileng tsa batho ke haholo-holo tsa li-harmonics Tšusumetso ea leqhubu la hona joale le ts'usumetso ea sebopeho ho matla a sebetsang a harmonic a bakoang ke software ea sistimi ea phetisetso.
Tšenyo ea li-harmonics tsa boenjiniere ba matla ho grid ea matla e ipapisitse le kotsi ea matla a sebetsang a harmonic ho mochini le lisebelisoa ho grid ea matla, ke hore, voltage ea ho sebetsa ea harmonic e feta boemo boo mochini le lisebelisoa li ka bo jarang.Mokha oa phepelo ea motlakase o ikarabella bakeng sa matla a motlakase a sebetsang hona joale a marang-rang a phepelo ea motlakase, 'me moreki oa motlakase o ikarabella bakeng sa ho hlahisa maqhubu a matla a software ea sistimi.
E le ho fokotsa kotsi ea li-harmonics ho tsamaiso ea motlakase le ea ho aba, mohopolo oa motheo ke ho qala ka mohloli oa harmonic, leka ho qoba hona joale ho pota-pota mohloli oa harmonic, ebe o fokotsa motlakase oa harmonic.Tsela ea ho qoba tšenyo ea hona joale ea harmonic ke ho kenya filthara ea AC, e ka thibelang hona joale ea harmonic, ea fokotsa ho feto-fetoha ha motlakase oa motlakase oa marang-rang, le ho ntlafatsa boleng ba phetisetso le kabo ea matla.Ntle le moo, e ka sebelisa ts'ebetso e phahameng ea matla a matla, 'me bophelo ba ts'ebeletso bo batla bo le telele.Ho eketsoa, sefa se fana ka mojaro oa capacitive reactive, o nang le phello e itseng ea matšeliso a matla, ka tsela eo e ntlafatsa matla a tsamaiso.Ho latela hore na loop e kholo e kenyelletsa lisebelisoa tsa mohloli, li-filters li ka aroloa ka li-filters tse sebetsang le li-filters tse sa sebetseng.
Ka mokhoa oa nts'etsopele ea theknoloji ea tlhahisoleseling, khoebo ea puisano / ea mekoloto, molemong oa ho fihlela litlhoko tsa ts'ebetso ea kamore e kholo ea komporo ea litsi tsa data tse kholo le tse mahareng, palo ea ts'ebeliso ea mejaro ea harmonic joalo ka phepelo ea motlakase e pharalletseng lisebelisoa tsa kabo ea matla. software ea tsamaiso ea theknoloji ea tlhahisoleseding, litsi tsa puisano / tsa lichelete li eketsehile haholo.Mehloli e ka sehloohong ea harmonic ea tsamaiso ea matla a tlaase a motlakase oa theknoloji ea tlhahisoleseding, mekhatlo ea puisano / ea lichelete e kenyelletsa phepelo ea matla a UPS, motlakase oa motlakase, mochine oa ho fetola maqhubu a moea, joalo-joalo. ka kakaretso e phahame.Ha tekanyo ea ho sotha ha harmonic THDi ea hona joale e feta 50% (ka kakaretso e ka holimo ho 30%), ea 5, ea 7, le ea 11 ea li-harmonics Hona joale e matla, ka linako tse ling e na le li-harmonics tse fetang 3.
Boleng ba mosebedisi ba Harmonic Governance
Ntlafatsa ho tšepahala ha mekhoa ea puisano ea bareki le software ea tsamaiso ea lisebelisoa tsa matla, eketsa bophelo ba tšebeletso ea lisebelisoa tsa puisano tsa bareki le boenjiniere ba matla;ho ntlafatsa boleng ba phetiso ea matshwao a data a puisano, ho netefatsa phetiso e tlwaelehileng ya matshwao a datha tsa kgokahano le matshwao a tshebetso a disebediswa tsa puisano;ho felisa likotsi tse fapaneng tsa polokeho tse kang ho futhumala ho feteletseng ha lisebelisoa tsa motlakase, ho futhumala ho feteletseng ha likhoele tsa phepelo ea motlakase, ho fokotseha ha matla a ho tsamaisa hona joale, le tahlehelo ea maqhubu a motlakase e bakoang ke maqhubu a matla a lisebelisoa tsa elektroniki joalo ka phepelo ea motlakase ea UPS;eketsa tšebeliso ea matla ea moea o pholileng o bohareng le lisebelisoa tse ling ka tlung, le ho ntlafatsa tsamaiso Karolo ea matla ea software e finyella sepheo sa ho boloka matla le ho fokotsa mocheso.
Mathata ao o ka kopanang le ona?
1. Thepa ea mats'eliso ea matla a hajoale e ke ke ea sebetsa ka mokhoa o tloaelehileng kapa hangata ea cha;
2. Litsamaisong tsa puisano, li-harmonics li kena-kenana le mekhoa ea puisano e haufi.Ha lerata le fokotseha, boleng ba puisano bo bobe le ho feta, k'homphieutha e ke ke ea sebetsa hantle, 'me boima bo boima, boitsebiso bo tla lahleha, ho etsa hore tsamaiso e senyehe.
3. Relay ea tšireletso ha e sebetse kapa ha e sebetse hantle, sesebelisoa sa ho metha sa motlakase ha se lekanye ka nepo, 'me lihlahisoa tsa elektronike tse nepahetseng li tla ameha haholo kapa hona ho senyeha.
Tharollo ea rona:
1. Sebelisa lisebelisoa tsa filthara ea Hongyan ho fana ka mocha o tlase oa impedance bakeng sa li-harmonics tsa maqhubu a itseng, 'me u tlose li-harmonics ho fihlela litlamorao tsa mehato e matla le puseletso ea matla a sebetsang.
2. Sebelisa filthara e sebetsang ea Hongyan APF ho laola li-harmonics, le sesebelisoa sa matšeliso a tsitsitseng a ts'ireletso ho lefella matla a sebetsang a tsamaiso, e le hore litaba tsa harmonic le matla a tsamaiso li ka finyella litekanyetso tsa k'hamphani ea rona.
3. Sefate se sebetsang sa Hongyan APF se amoheloa, boholo ba li-capacitor tsa filthara e sebetsang li tlosa filthara ea harmonic, 'me karolo ea capacitor e lefella matla a sebetsang, e ntlafatsa matla a matla,' me e laola ka katleho li-harmonics le matla a sebetsang a tsamaiso. .
Nako ea poso: Apr-13-2023