Design & Development of 138 KV Solid Dielectric Cable for Tests at Waltz Mill Station

This paper presents a thorough laboratory evaluation of cable design, construction and accessories for 138 kV operation. The work was done as part of the EEI sponsored Waltz Mill project for solid dielectrics. With the increasing use of these cables at higher voltages, it was necessary that complete cable circuits be properly evaluated to determine performance. The testing program disclosed several major problems which, when identified, led to improvement in both material and technique. Of special significance was the development of a system which controlled and recorded conductor temperature.