Welvnn Electric Energy Company is headquartered in Munich, Germany. Its main business areas involve military industry, aviation, energy nuclear power, transmission and distribution equipment, and cont···

The WDB23 serles ol muli-luncional power meters comply wih lEc 61557.12 standards, and can achieve ful power parameler measurement,power melering, harmonic moniloring, over-irmi dilarm and switch slal···

WBR-230 microcomputer prolection and sel-or device is a new generation of micocomputer proteclon eguipment specialy desianed anddeveloped by our company to meet the requlrements of relay proteclion in···

SVG carries out dynamic real-ime reactive power compensationby self-commutating power semiconduclor bridge converter, whichis a relalively advanced reactive power compensation method atpresent.lt no l···

The traditional passive filter can only filter out the limited harmonicand even amplify the other harmonic, which is difficult to deal withthe characteristies of harmonic change in the power grid, and···

The WEK power factor controller provides effective reactive powercompensation and system electrical parameter measurement andanalysis for the power grid, and can be applied to the automaticcontrol of ···