This document stipulates the main technical principles for the planning and design of Hunan's 220kV and above power grids. This document is applicable to the planning and design of power grids with voltage levels of 220kV and above within the operating area of State Grid Hunan Electric Power Co., Ltd.
T/XDHX 003-2023 history
2023T/XDHX 003-2023 The guide of planning and design of Hunan 220 kV and above power network