This document specifies the test conditions, test items and requirements, and test data processing for evaporative cooling power transformers (hereinafter referred to as "transformers"). This document is applicable to transformer testing with voltage levels from 35kV to 220kV.
T/CEEIA 491.3-2020 history
2021T/CEEIA 491.3-2020 Evaporative cooling power transformers -Part3: Test