· Measurement of Winding Resistances (IEC 60076-1 Clause 11.2) |
· Measurement of Voltage Convertion Ratio and Control of Phase Displacemenent (IEC 60076-1 Clause 11.3) |
· Measurement of Short Circuit Impedance and load Loss (IEC 60076-1 Clause 11.4) |
· Measurement of no-load loss and current (IEC 60076-1 Clause 11.5) |
· Tests on tap changer under load, if applicable (IEC 60076-1 Clause 11.7) |
· Leakage Test under Pressure for Liquid Immersed Transformers (Sealing Test) (IEC 60076-1 Clause 11.8) |
· Sealing Tests and Pressure Tests for Tanks for Gas-Filled Transformers (IEC 60076-15) |
· Conversion Rate and Polarity Control of Internal Current Transformers |
· Control of Core or Body Insulation for oil immersed transformers (IEC 60076-1 Clause 11.12) |
· Determination of Capacitances Between Windings and Between Windings and Ground |
· Measurement of D.A. Insulation Resistance Between Each Winding and Ground and Between Windings |
· Measurement of Loss Factor (tan δ) of Insulation System Capacitances |
· Measurement of Loss and Current at 90% and 110% of the Rated Voltage at No Load (IEC 60076-1 Clause 11.5) |
· Temperature Rise Test (IEC 60076-2) |
· Determination of the Sound Level for Each Cooling Method for Which a Guaranteed Sound Level is Specified (IEC 60076-10) |
· Measurement of Power consumed by Fan and Liquid Pump Motors |
· Determination of Transient Regime Voltage Transfer Characteristics (IEC 60076-3:2000 Annex B) |
· Measurement of Zero Component Impedance in Three Phase Transformers (IEC 60076-1 Clause 11.6) |
· Shape Change Test under Vacuum in Liquid Immersed Transformers (IEC 60076-1 Clause 11.9) |
· Shape Change Test under Pressure in Liquid Immersed Transformers (IEC 60076-1 Clause 11.10) |
· Measurement of Frequency Response (Frequency Response Analysis, FRA) |
· Measurement of Paint Thickness |
· Paint Quality Control Experiment |
· Checking Core and Body Insulation |
· Isolation of Auxiliary Circuits (IEC 60076-3 Clause 9) |
· Applied Voltage Test (IEC 60076-3 Clause 10) |
· Induced Voltage Withstand Test (IEC 60076-3 Clause 11.2) |
· Induced Voltage Test with Partial Discharge Measurement (IEC 60076-3 Clause 11.3) |
· Line Connection End A.A. Voltage Withstand Test (IEC 60076-3 Clause 12) |
· Full Wave Lightning Impact Test (IEC 60076-3 Clause 13.2) |
· Intermittent Wave Lightning Impact Test (IEC 60076-3 Clause 13.3) |
· Lightning Impact Test at Neutral Connection End (IEC 60076-3 Clause 13.4) |
· Switching Impact Test (IEC 60076-3 Clause 14) |
· Radio Interference Voltage (RIV) Experiment |
· DIRANA (Determination of the amount of water in the transformer insulator) experiment |
· Measurement of Warning Currents |
· Measurement of Idle Current and Voltage Harmonics |