Title :
Screening for HVDC system core saturation instability
Author :
Hasegawa, Taizo ; Matsushita, Joukichi ; Oue, Yasushi ; Tomiyama, Katsuyuki ; Ihara, Satoru ; Pratico, Elizabeth R. ; Walling, Reigh A. ; Zhu, Wenchun
Author_Institution :
Kansai Electr. Power Co. Inc., Osaka, Japan
fDate :
10/1/2000 12:00:00 AM
Abstract :
Core saturation instability is a condition resulting from excess low-order harmonic AC/DC system interactions, amplified by increasing transformer flux offset which, in turn, is driven by the interaction between the harmonics and the converter. A small signal analysis method has been successfully applied to efficiently screen a variety of conditions for core saturation instability. The screening measures have been defined in terms of the DC system driving point impedances
Keywords :
HVDC power transmission; electric impedance; magnetic flux; power conversion harmonics; power transformers; stability; transformer cores; DC system driving point impedances; HVDC system; converter/harmonics interaction; core saturation instability; harmonic amplification; harmonic stability; low-order harmonic AC/DC system interactions; small signal analysis method; transformer flux offset; Analog-digital conversion; Circuit faults; Circuit simulation; HVDC transmission; Impedance; Power harmonic filters; Power system harmonics; Power system simulation; Signal analysis; Transformer cores;
Journal_Title :
Power Delivery, IEEE Transactions on
