T/CSEE 0280-2021 The specification for the integrated design of flexible direct current distribution networks at medium voltage
T/CSEE 0280-2021 The specification for the integrated design of flexible direct current distribution networks at medium voltage
Basic Information
Scope
Main technical content: This document specifies the general requirements, design conditions, design requirements, overvoltage and insulation coordination, primary equipment parameters and requirements, control and protection systems of converter stations, and interface and auxiliary system requirements for the design of ±1.5 kV to ±50 kV medium-voltage flexible DC distribution networks. This document is applicable to the system research and complete design of flexible DC distribution networks based on modular multilevel converter structures, and does not include the design of DC lines and grounding electrode lines. Flexible DC distribution projects with other topologies can refer to and implement this standard. For the special requirements of certain projects, further research and determination can be carried out based on the specific functional specifications on the basis of this standard.