Commissioning

• Inspection and pre-commission of newly installed equipment.
• High voltage AC & DC pressure testing of switchgear, busbars and cables.
• Circuit breaker, disconnector, earth switch inspection & function tests.
• Current transformer magnetization characteristics, ratios and polarity tests.
• Continuity tests on Busbar and earthing systems.
• Secondary injection of electro-mechanical and modular relays, including auxiliary and tripping relays, overcurrent and earth fault relays, transformer overall protection relays, under/over frequency relays, intertripping relays, feeder unit and distance protection relays.
• Overall transformer protection schemes including tap changer schemes and AVC schemes
• Generator protection schemes including differential protection.
• Metering schemes.
• Control, indication and alarm schemes.
• Remote telecontrol/SCADA systems.
• Electrical & mechanical interlocking schemes.
• Charge and discharge characteristics on DC battery systems including commissioning of battery charger and associated monitoring units.