With the construction of giant synchronous power grid of the central
eastern and northern China
and the development of Ultra-High Voltage DC transmission projects in Sichuan and Hunan
Sichuan power grid and four provinces of central China power grids together with eastern China power grids will form a structure of DC/AC operation in parallel
which will make the operation of power system become more and more complicated.The Wide Area Measurement System(WAMS) will provide effective technical means for the secure and stable operation of power grid.This paper addresses the construction proposal
configuration and functions of Wide Area Measurement System