This document specifies the testing items, testing content, testing methods and judgment requirements for testing results of localized transformer protection devices with voltage levels of 110kV and below through conventional transformer sampling. This document is applicable to the type test of localized transformer protection devices with voltage levels of 110kV and below through conventional transformer sampling.
DL/T 2379.3-2023 history
2023DL/T 2379.3-2023 Specifications for testing of local protective devices Part 3: Transformer protection