Nkhaniyi ikufanizira kwambiri matekinoloje oyambira ndi mawonekedwe ogwiritsira ntchito ophwanya madera amitundu itatu yapadziko lonse lapansi: Schneider, Siemens, ndi ABB. Powunikira mndandanda wamakhalidwe monga Masterpact MTZ, Compact NSX (Schneider), 3WL, 3VA (Siemens), ndi Emax 2, Tmax XT DC (ABB), zabwino zamtundu uliwonse zimawululidwa kuchokera ku magawo atatu: magawo aukadaulo, ukadaulo wazidziwitso, ndi kugwiritsa ntchito wamba: Schneider ndi yabwino pakupanga ma digito ndi maukadaulo a Nokia. ntchito, ndipo ABB yapanga zopambana mu ma aligorivimu anzeru ndi ukadaulo wa DC. Kafukufukuyu adawonetsa kuti mitundu ikuluikulu itatu ikulimbikitsa kusinthika kwa ophwanya madera kuti agwirizane kwambiri, kusinthika kwa chilengedwe, ndi luntha kudzera pakuphatikiza intaneti ya Zinthu, zatsopano zakuthupi, komanso kukweza kasamalidwe ka mphamvu, kupereka mayankho osinthika kuti azitha kupeza mphamvu zatsopano komanso zosowa zovuta za gridi yamagetsi.