Chiyambi chaChosinthira
Chosinthira magetsi ndi chipangizo chamagetsi chomwe chimasintha magetsi osinthasintha kukhala magetsi olunjika, makamaka omwe amagwiritsidwa ntchito kupereka mphamvu ku katundu. Chosinthira magetsi ndi chipangizo chomwe chimasintha magetsi a DC kukhala magetsi a AC. Chingagwiritsidwe ntchito mu microcomputer kapena single-chip microcomputer system komanso zida zogwiritsira ntchito zizindikiro.
ZosinthiraZingagawidwe m'magulu a inverters a gawo limodzi, atatu ndi full-bridge kutengera mphamvu. Ma inverters a gawo limodzi ndi atatu amapangidwa ndi ma transformer, ma filters ndi ma LC filters, ndipo output waveform ndi sine wave; ma full-bridge inverters amapangidwa ndi rectifier filter circuit, Schottky diode (PWM) circuit ndi drive circuit, ndipo output waveform ndi square wave.
ZosinthiraZingagawidwe m'magulu atatu: mtundu wokhazikika wokhazikika, mtundu wolamulira wa dead-zone (njira ya sine wave) ndi mtundu wolamulira switch (njira ya sikweya). Ndi chitukuko cha ukadaulo wamagetsi amphamvu, ma inverter amagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana.
Mfundo zoyambira
Inverter ndi chipangizo chamagetsi champhamvu chomwe chimasintha mphamvu yolunjika kukhala mphamvu yosinthira. Inverter imakhala ndi dera losinthira magetsi, dera la Schottky diode (SOK) ndi dera loyendetsera magetsi.
Inverter ikhoza kugawidwa m'magulu awiri: active inverter ndi passive inverter, passive inverter, yomwe imadziwikanso kuti inverter circuit kapena voltage regulator circuit, nthawi zambiri ndi gawo lolowera, gawo lapakati (LC), gawo lotulutsa (rectifier), ndi zina zotero, ndipo active inverter ndi kusintha kwa chizindikiro cha voltage yolowera kuti ipeze DC voltage yokhazikika.
Chosinthira magetsi nthawi zambiri chimakhala ndi chosinthira magetsi mu mlatho wokonzanso magetsi, pomwe chosinthira magetsi chogwira ntchito chimakhala ndi chosinthira magetsi mu mlatho wokonzanso magetsi.
Chigawo cha inverter chili ndi ubwino wa kukula kochepa, kulemera kopepuka, kugwira ntchito bwino kwambiri ndi zina zotero. Ndi gawo lofunika kwambiri pa mitundu yonse ya zida zamagetsi zamagetsi.
Kugawa
Malinga ndi topology ya inverter, inverter imatha kugawidwa m'magulu awiri: inverter ya mlatho wonse, inverter ya push-pull.
Ikhoza kugawidwa m'magulu awiri: inverter ya PWM (pulse width modulation), inverter ya SPWM (quadrature signal modulation) ndi inverter ya SVPWM (space voltage vector modulation).
Malinga ndi dera loyendetsa, gululi lingagawidwe m'magulu awiri: theka la mlatho, mtundu wa push-pull.
Malinga ndi mtundu wa katundu, ikhoza kugawidwa m'magulu awiri: magetsi a inverter a gawo limodzi, magetsi a inverter a gawo limodzi, DC converter, magetsi a inverter ogwiritsira ntchito fyuluta, ndi zina zotero.
Malinga ndi njira yowongolera, njira yowongolera imatha kugawidwa m'magulu awiri: njira yamagetsi ndi njira yamagetsi.
Munda Wofunsira
Ma inverter amagwiritsidwa ntchito kwambiri mu automation yamafakitale, zida zankhondo, ndege ndi zina. Mwachitsanzo, mu automation yamafakitale, zida zolipirira mphamvu zosinthika zomwe zimagwiritsidwa ntchito makamaka mumakina amagetsi zimatha kusintha magetsi amphamvu kwambiri, kukonza magwiridwe antchito, kusunga mphamvu zamagetsi ndikupereka magetsi okhazikika opangira mafakitale; polankhulana, zida zolipirira mphamvu zosinthika zingagwiritsidwe ntchito kusintha magetsi amakina otsika mphamvu kuti azikhazikitse bwino mkati mwa nthawi yoyenera ndikukwaniritsa kulumikizana kwakutali; poyendera, zitha kugwiritsidwa ntchito mumakina oyambira injini yamagalimoto ndi makina ochapira batire yamagalimoto; mu zida zankhondo, zitha kugwiritsidwa ntchito mumakina oyendetsera zida zankhondo ndi zida zowongolera zokha; mumlengalenga, zitha kugwiritsidwa ntchito mumagetsi oyambira injini ya ndege ndi magetsi ochapira batire.
Nthawi yotumizira: Marichi-06-2023