H - Electricity – 02 – J
Patent
H - Electricity
02
J
321/24, 321/94
H02J 5/00 (2006.01) H02J 3/36 (2006.01) H02M 7/757 (2006.01)
Patent
CA 1313219
ABSTRACT OF THE DISCLOSURE A converter for interconnecting two electric networks to transmit electric power from one network to the other, each network being coupled to a respective power generator station. The converter, having an AC side and a DC side, includes a bridge of semiconductor switches with gate turn-off capability coupled to a control system to produce a bridge voltage waveform having a fundamental Fourier component at the frequency of the electric network coupled to the AC side of the converter. The control system includes three inputs for receiving reference signals allowing to control the frequency, the amplitude and the phase angle of the fundamental Fourier component with respect to the alternating voltage of the network coupled to the AC side of the converter. Through appropriate feedback loops, the converter may be used to maintain at a predetermined level the power flowing therethrough or to keep at a preset value the voltage across the DC terminals of the converter and, in both cases, to maintain the frequency synchronism between the fundamental Fourier component and the alternating voltage of the network coupled to the DC side of the converter.
579675
Na
Royal Institution For The Advancement Of Learning (mcgill Univer
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