This document specifies the terms and definitions, usage conditions, product classification and product models, basic parameters, technical requirements, test methods, inspection rules, nameplates, signs, lifting, packaging, transportation and storage of intelligent wind power box-type transformers. . This document is applicable to oil-immersed box-type transformers for intelligent wind power generation (hereinafter referred to as transformers) with rated voltages of 10 kV and 35 kV, rated capacities of 500 kVA to 10 000 kVA, and rated frequencies of 50 Hz. The maximum voltage of their equipment Not greater than 40.5 kV, and the operating voltage of at least one winding is greater than 1.1 kV. Note: Smart wind power box-type transformers with other voltage levels, rated frequencies or rated capacities can refer to this document.
T/ZZB 2972-2022 history
2022T/ZZB 2972-2022 Intelligent box transformer for wind turbine applications