Thavasiraja Mariappan

• Operation & Maintenance of 110kV/11kV Transformer capacity of 20MVA Sub-Station with transformer Differential protection scheme.
Operation & Maintenance of 3150A SF6 Circuit breakers, Current Transformer, Potential Transformer, protective Relays, Earth Switch and Lighting arresters, Transformer, Capacitor banks, 110V DC station battery systems. 110KV / 11KV 20MVA oil cooled transformers, 11 KV/433 V, 2.5MVA x 2 & 1.6MVA x 2 Dry type transformers.
Maintaining of LT & HT Diesel generators, Transformers, operating of Transformers
Operation and maintenance L & T & Schneider make VCB circuit breaker 1250A & 630A. Air circuit breaker of 4000A..Operation and maintenance UPS 200KVA & 400KVA, UPS, battery bank. Make: Emersion, Operation & Maintenance of DG 5 x 2 MVA 11KV HT Self & separately excited Synchronous Generators Brushless excitation with Differential protection scheme.