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A current source inverter with series connected AC capacitors for photovoltaic application with grid fault ride through capability
By: Photong, C.; Wheeler, P.; Klumpner, C.;
2009 / IEEE / 978-1-4244-4648-3
This item was taken from the IEEE Conference ' A current source inverter with series connected AC capacitors for photovoltaic application with grid fault ride through capability ' The current source inverter (CSI) is preferred to interface a renewable source such photovoltaics (PV) to the AC power grid because it can provide smooth current source in the DC side, which fits to the PV behaviour and also steps-up the voltage from DC side to AC side, which allows smaller and safer DC voltage levels to be used. However, the CSI has the problem that during an AC grid fault, it cannot operate properly. In this paper, a single-stage power conversion approach based on a CSI inverter with series capacitors is proposed, proven to provide improved efficiency and smaller DC inductor size and the capability to ride through AC grid faults with full reactive power injection support when compared to a standard CSI.
Power System Faults
Full Reactive Power Injection Support
Current Source Inverter
Series Connected Ac Capacitors
Ac Grid Fault Ride
Single Stage Power Conversion Approach
Solar Power Generation
Dc-dc Power Converters
Power Transformer Insulation
Power Engineering And Energy
Photovoltaic Power Systems
Power System Protection