Low voltage ride through capability of a 5 kW grid-tied solar inverter

Distributed power generation systems (DPGS) such as wind and solar become more and more widely spread. As a consequence grid operating companies demand system services. As part of the general fault ride through (FRT) requirements this paper deals with low voltage ride through (LVRT) capability of a...

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Bibliographic Details
Main Authors: Benz, C H, Franke, W.-T, Fuchs, F W
Format: Conference Proceeding
Language:English
Subjects:
3 phase 4 wire
dq0
Fault Ride Through
FRT
Grid Codes
Harmonic analysis
Inverters
Low voltage
Low Voltage Ride Through
LVRT
P+Resonant
Phase locked loops
Photovoltaik
Power quality
Reactive power
Solar Inverter
three-phase-four-wire
Voltage control
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Summary:Distributed power generation systems (DPGS) such as wind and solar become more and more widely spread. As a consequence grid operating companies demand system services. As part of the general fault ride through (FRT) requirements this paper deals with low voltage ride through (LVRT) capability of a three-phase-four-wire grid-tied solar inverter. The standard system will be described and necessary changes to the control such as positive (PS), negative (NS) and zero sequence (ZS) separation, a stable phase-locked-loop (PLL) as well as voltage support by means of reactive current as well as stress factors to the hardware will be identified.
DOI:10.1109/EPEPEMC.2010.5606829