IEC standards download IEC 60076-24:2020 pdf download – Power transformers – Part 24: Specification of voltage regulating distribution transformers (VRDT IEC 60076-24:2020 pdf download - Power transformers – Part 24: Specification of voltage regulating distribution transformers (VRDT. 5.3 Voltage steps Unless otherwise specified, voltage steps are 1,0 % up to 3,0 % and shall be agreed between... 03-03 Download Now