⚠️ – The full PDF is copyrighted by the International Electrotechnical Commission (IEC) and national standards bodies (e.g., ANSI, BSI, DIN, SAC). Unauthorized distribution violates intellectual property law.
If there is a conflict between Part 1 and a specific part (like Part 2), the specific part takes precedence. However, Part 1 fills in the gaps for any general requirement not explicitly overridden.
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гост iec 61869-1-2015 трансформаторы измерительные
Instrument transformers act as the "eyes" of the power grid. They scale down high currents and voltages to levels that meters and protective relays can safely handle. Without the uniform testing and error limits defined in Part 1, the reliability of billing and the sensitivity of protection systems would vary wildly between manufacturers. Iec 61869-1 Pdf
: The most recent major revision, which updated technical requirements to align with digital power systems and modern materials.
IEC 61869-1 applies to newly manufactured instrument transformers intended for use with electrical measuring instruments, protection relays, and similar devices in 50/60 Hz AC power systems (typically rated up to 800 kV and above). It covers: ⚠️ – The full PDF is copyrighted by
Several special tests have been reclassified as type or routine tests, with a brand-new clause dedicated to commissioning tests Enhanced Harmonic Accuracy: