: The edition reclassifies certain special tests as type or routine tests and introduces a new clause for commissioning tests IEC Webstore Core Standard Features Error Limits
is the first part of the IEC 61869 series, titled “Instrument transformers – Part 1: General requirements.” It serves as the umbrella standard for all instrument transformers, including Current Transformers (CTs) and Voltage Transformers (VTs). iec 618691 pdf hot
Manufacturers must perform a battery of tests categorized by the standard: Type Tests : The edition reclassifies certain special tests as
The standard establishes critical baseline specifications for the entire product family: Accuracy and Metrology iec 618691 pdf hot