Current Transformer Routine Tests - IEC 61869
The following items are the routine testing items of High Voltage Current Transformer according to
IEC 61869-1: 2007, IEC 61869-2: 2012
1.) Sealing Performance Test at Ambient Temperature
2.) Inspection of Terminal Markings
3.) Insulation Resistance Measurement
4.) D. C. Resistance Measurement
5.) Power Frequency Voltage Withstand Test of Secondary Terminal
6.) Power Frequency Voltage Withstand Test between Sections
7.) Primary Terminal Power Frequency Withstand Voltage Test
8.) Partial Discharge Measurement
9.) Capacitance and Dielectric Loss Factor Measurement
10.) Inter-turn Overvoltage Test
11.) Insulation Oil Performance Test
12.) Accuracy Test
13.) Test For Volt-ampere Characteristic