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Second-kind energy function of power system and its applications

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4 Author(s)
Young-Hyun Moon ; Dept. of Electr. Eng., Yonsei Univ., Seoul, South Korea ; Heon-Su Ryu ; Byoung-Hoon Cho ; Baik Kim

This paper presents a second-kind energy functions for power systems. The previously introduced complex integral approach yields two kinds of energy integral expressions for its real and imaginary parts. The former provides a second-kind energy function while the latter the conventional energy function. It has been shown that a series of energy functions can be generated by taking the weighted sum of the conventional energy function and the second-kind one. By taking appropriate weights, a well-defined energy function can be derived to reflect the transfer conductances when the system has uniform R/X ratios for all transmission lines with separation of generator reactances

Published in:

Power Engineering Society Summer Meeting, 2001  (Volume:3 )

Date of Conference: