Requirements are specified for operation up to 1,000 meters; higher altitudes require derating of insulation levels.

Understanding IEC 61869-1:2023 - General Requirements for Instrument Transformers

Specifically focuses on equipment for high-voltage (HV) applications, defined as a nominal voltage

Among these standards, serves as the foundational document. Searching for an IEC 61869-1 PDF is common among electrical engineers, grid operators, and manufacturers who need to understand the general requirements for all instrument transformers. What is IEC 61869-1?

The standard replaces the previous IEC 60044-1 and IEC 60044-2 standards.

How is your team handling the transition to the 2023 revision? Let’s discuss in the comments! 👇

The transition to the IEC 61869 series represents a shift toward more integrated power system standards. By adhering to Part 1, manufacturers and utilities ensure that instrument transformers are compatible with modern digital substations while maintaining the safety and precision required for high-voltage infrastructure.

Preparing for the shift from traditional inductive units to electronic and low-power sensors.

: Specifies the levels of electrical stress the equipment must withstand without failure. Testing Procedures : Detailed protocols for: Type Tests : To prove the design meets the standard. Routine Tests : Performed on every individual unit before shipping. Special Tests : Performed at the request of the purchaser. Where to Find the PDF

Review the IEC 61869 Standards Overview on Scribd for a comparison between the old 60044 and new 61869 series.