... operation volatge up to 6-35KV. CKSC, CKSG iron core series-wound reactors is suitable for powersystem of AC 50HZ, rated operation ... up to 6-35KV. With high voltage capacity(group)in series, it can restrain from he high subharmonic, closing surge, and ... , and make power net work economically. Dry Type Iron Core Series-wound Reactors