The basic characteristics of a new concept of combined transformers consisting of an inverse current transformer and a voltage transformer with open core are described. Thanks to its technological design and simplicity, the new concept allows the commercial manufacture of combined transformers for the highest equipment voltages up to 420 kV inclusive. The main advantages of combined transformer installation in power-system are described and explained.
Projekt / tema:
Scientific-Technical Monthly Magazine of Electrical Power Industry, Tanavir Co, Teheran Iran