摘要: A bidirectional 18-pulse voltage-source converter utilizing gate-turnoff thyristors (GTOs) is described. The converter, which rated 10 MVA, was placed in service early 1988 to connect an energy storage battery a utility grid. and controlled operate all four quadrants (discharge, charge, leading VAr, or lagging VAr) at the full MVA rating. It capable of independent rapid control real reactive power with transient response 16 ms changes commanded value power. Thus it usable as controller (static VAr control), voltage control, frequency system stabilizer, peaking station. For use only, no would be needed. design, construction, application are described, performance data taken factory test installation given. >