This standard specifies the product structure and classification, product model, usage conditions, technical requirements, deviations, test items and methods, nameplates, signs, packaging, transportation and storage of connecting transformers for flexible DC transmission (referred to as flexible DC transformers). This standard applies to the following oil-immersed products connected to modular multi-level voltage source converters:
——Symmetrical unipolar flexible-to-direct transformers;
——Bipolar flexible-to-direct transformers.
T/CSEE 0066-2017 history
2018T/CSEE 0066-2017 Connecting Transformer for Flexible DC Transmission