BigPatents India

An apparatus for performing operational type tests simultaneously on thyristor valves and capacitor banks of a Thyristor Controlled Series Capacitor (TCSC) scheme, the device comprising a test-installation source voltage (Vs), a series reactor ( Ls), a capacitor bank ( C') in parallel combination with at least one thyristor valve ( T I) and a reactor ( L' tcr) connected in series with said at least one thyristor valve (T I), the magnitude of source ( V s) being adjusted to force the required source current ( Is) , is trigerring of the thyristor valve (T I) is synchronized with the source current (Is) is adjusted to the hire current for which the operational type test being performed.