A New Shunt Reactor Principle Proved: Designed Data and Factory Test Results for Units Built on The Insulated Core Principle

Effective control of electrostatic as well as electromagnetic field distribution within EHV transformer-type equipments significantly enhances their on-line performance. This paper describes the first application of the insulated core principle for management of fields of a 765 kv shunt reactor installed on the AEP System. Design techniques and ta are presented and the modular concept of reactor construction in an oil-filled device is described. Results of feasibility studies of reactors for future UHV systems are included.