60076-5: Iec

While both standards aim to ensure short-circuit withstand, key differences exist:

The standard divides transformers into three categories based on their rated power, which determines how they are tested: Up to 2,500 kVA. Category II: 2,501 kVA to 100,000 kVA. Category III: Above 100,000 kVA (100 MVA). 3. How Verification Works iec 60076-5