Sesebelisoa sa puseletso ea matla, se tsejoang hape e le sesebelisoa sa tokiso ea matla, se bohlokoa haholo tsamaisong ea matla.Mosebetsi oa eona o ka sehloohong ke ho ntlafatsa matla a phepelo le tsamaiso ea phepelo, ka hona ho eketsa ts'ebeliso e ntle ea lisebelisoa tsa phetisetso le lisebelisoa, ho ntlafatsa ts'ebetso ea matla, le ho fokotsa litšenyehelo tsa motlakase.Ho phaella moo, ho kenya lisebelisoa tse matla tsa matšeliso a matla a sebetsang libakeng tse loketseng lithapong tsa phetisetso ea sebaka se selelele ho ka ntlafatsa botsitso ba tsamaiso ea phetisetso, ho eketsa matla a phetisetso, le ho tsitsisa motlakase qetellong ea ho amohela le grid. mekhahlelo e mengata ea tsoelopele.Mehleng ea pele, li-synchronous phase advances e ne e le baemeli ba tloaelehileng, empa butle-butle ba ile ba felisoa ka lebaka la boholo ba bona bo boholo le litšenyehelo tse phahameng.Mokhoa oa bobeli o ne o sebelisa li-capacitor tse tšoanang, tse neng li e-na le melemo e ka sehloohong ea litšenyehelo tse tlaase le ho kenya le ho sebelisoa habonolo.Leha ho le joalo, mokhoa ona o hloka ho sebetsana le litaba tse kang li-harmonics le mathata a mang a boleng ba matla a ka 'nang a e-ba teng tsamaisong,' me tšebeliso ea li-capacitor tse hloekileng e se e sa tloaeleha.Hona joale, lisebelisoa tsa matšeliso a letoto la capacitor ke mokhoa o sebelisoang haholo ho ntlafatsa matla a matla.Ha mojaro oa sistimi ea mosebelisi e le tlhahiso e tsoelang pele mme sekhahla sa phetoho ea mojaro ha se phahame, hangata ho khothaletsoa ho sebelisa mokhoa o tsitsitseng oa matšeliso ka li-capacitor (FC).Ntle le moo, ho ka sebelisoa mokhoa oa boiketsetso oa matšeliso o laoloang ke li-contactors le ho fetoha ha mohato ka mohato, o loketseng bakeng sa phepelo ea motlakase ea mahareng le e tlaase le tsamaiso ea ho fana. Mechini, moo tlhokahalo ea matla a sebetsang e fetohang ka potlako, mekhoa e tloaelehileng ea puseletso ea motlakase e sebetsang, e sebelisang li-capacitor, e na le mefokolo.Ha li-capacitor li khaotsoe ho marang-rang a matla, ho na le matla a setseng pakeng tsa lipalo tse peli tsa capacitor.Boholo ba motlakase o setseng bo ke ke ba boleloa esale pele mme bo hloka metsotso e 1-3 ea nako ea ho tsoa.Ka hona, nako e pakeng tsa ho hokela hape ho marang-rang a motlakase e hloka ho ema ho fihlela motlakase o setseng o fokotsehile ho ba ka tlase ho 50V, e leng se bakang khaello ea karabo e potlakileng.Ho phaella moo, ka lebaka la ho ba teng ha li-harmonics tse ngata tsamaisong, lisebelisoa tsa matšeliso a LC-tuned tse entsoeng ka li-capacitor le li-reactor li hloka bokhoni bo boholo ba ho netefatsa polokeho ea li-capacitor, empa li ka boela tsa lebisa ho overcompensation le ho etsa hore tsamaiso e be teng. e be capacitive.Ka hona, static var compensator (SVC) o hlahile.Moemeli ea tloaelehileng oa SVC o entsoe ka Thyristor Controlled Reactor (TCR) le capacitor e tsitsitseng (FC).Tšobotsi ea bohlokoa ea static var compensator ke bokhoni ba eona ba ho tsoela pele ho fetola matla a ts'ebetsong a sesebelisoa sa matšeliso ka ho laola lebelo le tsosang la ho lieha ha thyristors ho TCR.SVC e sebelisoa haholo-holo ho litsamaiso tsa kabo ea motlakase o phahameng ho isa ho tse phahameng, 'me e loketse haholo maemo a nang le boima bo boholo ba moroalo, mathata a matla a harmonic, meroalo e matla, le litheko tse phahameng tsa phetoho ea meroalo, joalo ka liloala tsa tšepe, liindasteri tsa rabara, metallurgy e seng ferrous, Ka nts'etsopele ea theknoloji ea elektronike ea matla, haholo-holo ho hlaha ha lisebelisoa tsa IGBT le tsoelo-pele ea thekenoloji ea taolo, ho hlahile mofuta o mong oa lisebelisoa tsa matšeliso a matla a sebetsang a fapaneng le li-capacitor tse tloaelehileng le lisebelisoa tse thehiloeng ho li-reactors. .Ena ke Static Var Generator (SVG), e sebelisang theknoloji ea taolo ea PWM (Pulse Width Modulation) ho hlahisa kapa ho monya matla a sebetsang.SVG ha e hloke ho baloa ha impedance ea sistimi ha e sa sebelisoe, kaha e sebelisa li-circuit inverter tsa borokho tse nang le mahlale a mangata kapa a PWM.Ho feta moo, ha e bapisoa le SVC, SVG e na le melemo ea boholo bo fokolang, boreleli bo potlakileng bo tsoelang pele le bo matla ba matla a sebetsang, le bokhoni ba ho lefella matla a ho kenya letsoho le a capacitive.
Nako ea poso: Aug-24-2023