Evaluation for Application of Built-in Type Zinc Oxide Gapless Surge Arresters for Power System Equipments

This paper deals with the development and application of built-in type zinc oxide gapless surge arresters for power system equipments. Built-in type surge arresters developed by the authors have been in service within power equipments on power systems without any apparent problems. The technical problems for practical use, their solutions, and future applications of zinc oxide gapless surge arresters are described.