Title :
Single-bridge unit-connected HVDC generation with increased pulse number
Author :
Villablanca, M. ; Arrillaga, J.
Author_Institution :
Canterbury Univ., Christchurch, New Zealand
fDate :
4/1/1993 12:00:00 AM
Abstract :
A true unit-connected generator-high-voltage direct-current-(HVDC) converter scheme that eliminates the need to use two bridges in series to achieve twelve-pulse operation is proposed. Moreover, the combination of a single main bridge and an auxilliary feedback DC ripple reinjection bridge is shown to increase the pulse number from 6 to 18. This is achieved purely by natural commutation and is equally valid for rectification and inversion. The theoretical waveforms are validated by extensive experimental verification
Keywords :
DC power transmission; bridge circuits; commutation; feedback; power convertors; rectification; auxilliary feedback DC ripple reinjection bridge; inversion; natural commutation; rectification; single main bridge; twelve-pulse operation; unit-connected HVDC generation; AC generators; Bridge circuits; Converters; HVDC transmission; Inverters; Power harmonic filters; Pulse generation; Pulse transformers; Turbines; Valves;
Journal_Title :
Power Delivery, IEEE Transactions on
