GVDA tsom rau kev muab DC cov cuab yeej ntsuas thiab cov kev daws teeb meem ntse rau cov neeg siv khoom thoob ntiaj teb
Cov khoom siv hluav taws xob tswj tau yog cov khoom siv hluav taws xob uas tuaj yeem muab cov khoom siv hluav taws xob ruaj khov AC lossis DC fais fab mov rau lub nra, uas yog hais tias, nws tuaj yeem muab faib ua ob pawg, DC tswj fais fab mov thiab AC tswj fais fab mov.
Hom kev ua haujlwm ntawm DC tswj fais fab mov feem ntau muab faib ua peb lub ntsiab lus:
1. Hom rectifier controllable kho cov zis voltage los ntawm kev hloov lub sij hawm conduction ntawm thyristor.
2. Chopping hom, cov tswv yim yog qhov tsis ruaj tsis khov DC voltage, hloov qhov ntawm -tawm piv ntawm qhov hloov pauv kom tau txais DC unidirectional pulsating, thiab tau txais qhov ruaj khov DC voltage tom qab lim.
3. Hloov hom, qhov tsis ruaj tsis khov DC voltage yuav tsum xub hloov mus rau hauv siab - zaus hloov tam sim no los ntawm inverter, thiab tom qab ntawd DC cov zis hluav taws xob tshiab yuav tau txais tom qab DC stabilized fais fab mov, transformer, rectification thiab filtering, thiab pub rov qab los tswj kev ua haujlwm zaus ntawm lub inverter. Txhawm rau ua tiav lub hom phiaj ntawm qhov tso zis ruaj khov DC voltage.
