Title :
The Judgment of Voltage Weak Point: Method Based on Eigenvalue Structure Analysis
Author :
Xiong Hu ; Xiang Tieyuan
Author_Institution :
Sch. of Electr. Eng., Wuhan Universit, Wuhan, China
Abstract :
This paper uses concepts of eigenvalue structure analysis, and defines disturbance variables sensitivity and load sensitivity of PQ bus to determine voltage weak point and find the reason of voltage collapse. It provides numerical method of calculating disturbance variables sensitivity and load sensitivity of PQ bus, and verifies the numerical method with WSCC 9-bus system.
Keywords :
eigenvalues and eigenfunctions; load flow; numerical analysis; power system stability; sensitivity analysis; PQ bus; WSCC 9-bus system; disturbance variables sensitivity; eigenvalue structure analysis; load sensitivity; voltage collapse; voltage weak point; Jacobian matrices; Numerical stability; Power system stability; Sensitivity; Stability criteria;
Conference_Titel :
Power and Energy Engineering Conference (APPEEC), 2011 Asia-Pacific
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-6253-7
DOI :
10.1109/APPEEC.2011.5748591
