New Method of reducing the secondary arc duration time for E.H.V. Lines Case study on GIS defects and new possibilities for preventive maintenance Very Fast transient Synchronous closing control for shunt capacitors Controlling the switching operation for three phases reclosing in extra high voltage systems Application of point - on - wave controlled switching on the 750 KV circuit breakers used for shunt reactor switching off Very fast transients and theirs effect on transformer winding Use of neutral reactors for improving the successfulness of three phase reclosing An on-line fuzzy logic system for voltage/var control and alarm processing Controlled Switching of Condensers