Ka litlhoko tsa ntshetsopele ya indasteri, e le ho fokotsa mojaro oa tsamaiso le ho boloka matla, palo e kholo ease feto-fetohang frequency inverter li sebelisoa liketsahalong tsa indasteri.Tšebeliso eafrequency converter ka sebele e ka finyella liphello tsa ho boloka matla, empa e boetse e tlisa mathata a mang a kang li-harmonics.Re ile ra kopana le sebaka se tloaelehileng haholo moo palo e kholo ea li-inverters tse matla tse sebelisoang ho laola pompo ea metsi.Ts'ebetso ea palo e kholo ea lisebelisoa tsa inverter e lebisa ho khopameng e tebileng ea harmonic tsamaisong, e amang haholo ts'ebetso e bolokehileng le e tsitsitseng ea sistimi.
Ho tloha sebopeho sa teko ea tšimo, taelo e kholo ea ho sotha ha harmonic ke 5, 7 harmonics.Pele ho ts'ebetso eaAPF, kakaretso ea ho sotha ha harmonic ea tsamaiso e fihlile ho 39,5%.Ka mor'a ts'ebetso easefa se sebetsang sa harmonic, tekanyo ea ho sotha ha harmonic ea tsamaiso e fokotsehile hoo e ka bang 6%, waveform e khutlisetsoa ho tloaelehileng, 'me li-harmonics tsa taelo e' ngoe le e 'ngoe li fokotsehile haholo.Ho tloha setšoantšong sa 1 ho ea ho setšoantšo sa 4, re ka bona ka ho hlaka hore phello ea taolo ea harmonic ka mor'a ho sebelisasefe e sebetsange hlakile haholo ebile e sebetsa.
Kotsi ea harmonics e tebile haholo.Harmonics e fokotsa ts'ebetso ea tlhahiso, phetisetso le ts'ebeliso ea matla a motlakase, ho chesa lisebelisoa tsa motlakase ho feta tekano, ho hlahisa ho thothomela le lerata, 'me ho etsa hore insulation e tsofale, e khutsufatse bophelo ba ts'ebeletso, esita le ho se sebetse hantle kapa ho chesa.Harmonics e ka etsa hore resonance ea lehae e bapelle kapa letoto la li-resonance tsamaisong ea matla, e holisang litaba tsa harmonic mme e etse hore capacitor le lisebelisoa tse ling li che.Harmonics e ka boela ea baka ts'ebetso e mpe ea ts'ireletso ea relay le lisebelisoa tsa othomathiki, e bakang pherekano tekanyong ea matla a motlakase.Ka ntle ho tsamaiso ea matla, li-harmonics li ka baka tšitiso e tebileng ho lisebelisoa tsa puisano le lisebelisoa tsa elektronike.
Thesetlhoa sa matla se sebetsange hokahane le sistimi ea matla ka ho ts'oana, ka transformer ea kantle ea hajoale ho etsa mohlala oa mekhahlelo e meraro ea hajoale.Setsi sa taolo se ka sehloohong se lekanya boleng ba mats'eliso bo hlokahalang hona joale 'me se romele taelo ho IGBT, IGBT e fetola ka matla lebelo la ho fetoha ho ntlafatsa ts'ebetso leAHFho fokotsa matla a motlakase.
Nako ea poso: Jul-28-2023