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PREVENTIVE MAINTENANCE
TEST & COMMISSIONING
• WINDING INSULATION RESISTANCE TEST
• WINDING INSULATION POWER FACTOR TEST
• WINDING RESISTANCE TEST
• TRANSFORMER TURN RATIO TEST
• EXCITING CURRENT ( HV & LV ) TEST
• LEAKAGE REACTANCE TEST
• THREE PHASE SHORT CIRCUIT ( % Z ) TEST
• TRANSFORMER SELF PROTECTION TEST
• TRANSFORMER OIL INSULATION TEST
• TRANSFORMER OIL PURIFY
• REPAIR OIL LEAKAGE
115 kV SF6 GAS CIRCUIT BREAKER
• INSULATION RESISTANCE TEST
• INSULATION POWER FACTOR TEST
• OPERATING TIMING TEST
• CONTACT RESISTANCE TEST
• SF6 GAS MEASURMENT
• OPERATING FUNCTION TEST
115 kV CURRENT TRANSFORMER
• INSULATION RESISTANCE TEST
• CONTACT RESISTANCE TEST
115 kV VOLTAGE TRANSFORMER
• INSULATION RESISTANCE TEST
• AC HIGH POTENTIAL TEST
• INSULATION POWER FACTOR TEST
• SURGE COUNTER OPERATION TEST
115 kV DISCONNECTING SWITCH
• RELAY CHARACTERISTIC TEST
• OPERATION FUNCTION TEST
115 kV DISCONNECTING SWITCH
• INSULATION RESISTANCE TEST
• INSULATION POWER FACTOR TEST
• RATIO AND POLARITY TEST
• CT EXCITATION CURVE TEST
• WUNDUNG RESISTANCE TEST
• CT BURDEN TEST
• PRIMARY & SECONDARY LOOP TEST
115 kV LIGHTNING ARRESTER
• INSULATION RESISTANCE TEST
• INSULATION POWER FACTOR TEST
• RATIO AND POLARITY TEST
• WUNDUNG RESISTANCE TEST
• VT BURDEN TEST
• PRIMARY & SECONDARY LOOP TEST