Kodi inverter ndi chiyani?

Chosinthira magetsi ndi chosinthira magetsi cha DC kupita ku AC, chomwe kwenikweni ndi njira yosinthira magetsi pogwiritsa ntchito chosinthira magetsi. Chosinthira magetsi chimasintha magetsi a AC a gridi yamagetsi kukhala mphamvu yokhazikika ya 12V DC, pomwe chosinthira magetsi chimasintha magetsi a 12V DC opangidwa ndi adaputala kukhala mphamvu yothamanga kwambiri; magawo onse awiriwa amagwiritsanso ntchito ukadaulo wa pulse width modulation (PWM) womwe umagwiritsidwa ntchito kwambiri. Gawo lalikulu ndi chowongolera cha PWM, chosinthira magetsi chimagwiritsa ntchito UC3842, ndipo chosinthira magetsi chimagwiritsa ntchito chip ya TL5001. Mphamvu yamagetsi yogwira ntchito ya TL5001 ndi 3.6~40V, ndipo chili ndi amplifier yolakwika, chowongolera, chowongolera, jenereta ya PWM yokhala ndi chowongolera cha dead zone, dera loteteza magetsi otsika komanso dera loteteza magetsi lalifupi.

Gawo lolowera: Gawo lolowera lili ndi zizindikiro zitatu, 12V DC input VIN, ENB yogwira ntchito yolola magetsi ndi chizindikiro chowongolera cha Panel current DIM. VIN imaperekedwa ndi Adapter, ndipo ENB voltage imaperekedwa ndi MCU pa bolodi la amayi, ndipo mtengo wake ndi 0 kapena 3V. Pamene ENB=0, inverter sigwira ntchito, ndipo pamene ENB=3V, inverter imakhala bwino; ndipo DIM voltage imaperekedwa ndi bolodi la amayi, ndipo kusiyana kwake kuli pakati pa 0 ndi 5V. Ma DIM osiyanasiyana amaperekedwa kumapeto kwa PWM controller, ndipo mphamvu yamagetsi yoperekedwa ndi inverter ku katundu idzakhalanso yosiyana. Mtengo wa DIM ukakhala wochepa, mphamvu yamagetsi yotulutsidwa ndi inverter imakhala yayikulu.

Chizunguliro choyambira magetsi: Pamene ENB ili yokwera, magetsi ambiri amatuluka kuti ayatse chubu cha magetsi chakumbuyo cha Panel.

Chowongolera cha PWM: Chili ndi ntchito zotsatirazi: mphamvu yamkati yowunikira, chowonjezera zolakwika, chowongolera ndi PWM, chitetezo cha overvoltage, chitetezo cha undervoltage, chitetezo cha short circuit, ndi transistor yotulutsa.

Kusintha kwa DC: Dera losinthira magetsi limapangidwa ndi chubu chosinthira cha MOS ndi chosinthira mphamvu. Mpweya wolowera umakulitsidwa ndi chowonjezera chokoka ndikuyendetsa chubu cha MOS kuti chichite kusintha, kotero kuti magetsi a DC amalipiritsa ndikutulutsa chosinthira, kotero kuti mbali ina ya chosinthira magetsi imatha kupeza magetsi a AC.

Kuzungulira kwa LC ndi kuzungulira kwa zotulutsa: onetsetsani kuti magetsi a 1600V akufunika kuti nyali iyambire, ndikuchepetsa magetsi kufika pa 800V nyali ikayambika.

Kuyankha kwa mphamvu yamagetsi yotuluka: pamene katundu akugwira ntchito, mphamvu ya sampuli imabwezeretsedwa kuti ikhazikitse mphamvu yamagetsi yotuluka ya I inverter.

Ntchito
Inverter imasintha mphamvu ya DC (batri, batri yosungira) kukhala mphamvu ya AC (nthawi zambiri 220v50HZ sine kapena square wave). Malinga ndi mawu a layman, inverter ndi chipangizo chomwe chimasintha mphamvu yamagetsi mwachindunji (DC) kukhala mphamvu yosinthira (AC). Imakhala ndi mlatho wamagetsi, njira yowongolera ndi dera losefera.
Mwachidule, inverter ndi chipangizo chamagetsi chomwe chimasintha mphamvu ya DC yamagetsi otsika (12 kapena 24 volts kapena 48 volts) kukhala mphamvu ya AC yamagetsi 220 volts. Chifukwa mphamvu ya AC yamagetsi 220 volts nthawi zambiri imasinthidwa kukhala mphamvu ya DC kuti igwiritsidwe ntchito, ndipo ntchito ya inverter ndi yosiyana, motero dzinalo. Mu nthawi ya "kuyenda", ofesi yam'manja, kulumikizana kwa mafoni, zosangalatsa zam'manja ndi zosangalatsa. Mukakhala paulendo, sikuti mphamvu yamagetsi yotsika yokha imangofunika kuchokera ku mabatire kapena mabatire osungira, komanso mphamvu yamagetsi yosinthira yamagetsi 220-volt, yomwe ndi yofunika kwambiri pamoyo watsiku ndi tsiku. Ma inverter amatha kukwaniritsa zosowa izi.