Linear State Estimation of Power Grid Based on State Decoupling
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DOI: 10.23977/EECTM2020.015
Author(s)
Keke Ren, Chunxi Zhang, Chao Li, Yong Zhang, Jing Liu and Zhiqin Qin
Corresponding Author
Keke Ren
ABSTRACT
Aiming at the relative decoupling of active and reactive power in power grid, a linear phase estimation model based on active voltage measurement for voltage phase estimation and a linear voltage estimation model for voltage amplitude estimation using voltage amplitude measurement and zero injection measurement are proposed. The performance test of the node system shows that the algorithm has a faster calculation speed, can effectively save memory, and has high efficiency.
KEYWORDS
Regional power grid, linear phase estimation, state estimation
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