┌─────────────────────────────────────────┐ │ IEC 61869-1 │ │ General Requirements │ └────────────────────┬────────────────────┘ │ ┌─────────────────────────────┼─────────────────────────────┐ ▼ ▼ ▼ IEC 61869-2 IEC 61869-3 IEC 61869-5 Current Transformers Voltage Transformers Capacitor VTs General requirements (The foundation).
The standard outlines standard operating conditions, such as ambient temperature, altitude, and vibration, and defines how transformers should perform under abnormal conditions. 3. Requirements for Construction and Design Iec 61869-1 Pdf