COMMISSIONING ACTIVITIES

Testing of, Generator Short Circuit and Open Circuit Test, Interlock Testing between Excitation System, Generator, GCB, SFC, Unit Auxiliary Transformer, Unit Transformer and 400KV UCB.

Testing of Current Transformer & Voltage Transformer Insulation Resistance, Winding Resistance, and Polarity Test, Ratio Test & Magnetic characteristics Curve Test.

Calibration of Voltmeters, Ammeters, Energy Meter & Transducer

Testing of Protection Relay Such as Under Voltage, Earth Fault, Restricted Earth Fault, Synchrony check, Synchronizing, Bus bar Protection Motor Protection (N-DIN-M) & Generator Protection Relay (SYMAP) by Secondary and Primary Injection

Testing of Breakers Open & Closing Timing, Contact Resistance in micro ohms & Trip test by Secondary and Primary Injection for such as VCB, ACB, MCCB & MCB

Testing of Switchgear Bus bar and Cables Hi-pot test

Testing of Transformer Winding Resistance, Insulation Resistance, Impedance, Oil Temperature Gauge, Winding Temperature Sensor (RTD), Vector Group & Sensitivity & Stability Test with Restricted Earth Fault and Earth Fault Relay

Functional and Interlock Testing of Switchgears such as Two Incomers with Bus Tie and Two Incomers without Bus Tie

Functional Testing of Essential Switchgears with Emergency Diesel Generator (4 x 2500 KVA), such as Auto Start Sequence during main failure & Test Run Synchronizing with main, Controlled by PLC (SIEMENS S7-400) and Switchgear Interface, Control Interface Checking between Switchgear and DC