Dynamic Model Validation of PV Inverters Under Short-Circuit Conditions: Preprint

Eduard Muljadi

Research output: Contribution to conferencePaper

Abstract

Photovoltaic (PV) modules have dramatically decreased in price in the past few years, spurring the expansion of photovoltaic deployment. Residential and commercial rooftop installations are connected to the distribution network; large-scale installation PV power plants (PVPs) have benefited from tax incentives and the low cost of PV modules. As the level penetration of PV generation increases,the impact on power system reliability will also be greater. Utility power system planners must consider the role of PV generation in power systems more realistically by representing PV generation in dynamic stability analyses. Dynamic models of PV inverters have been developed in the positive sequence representation. NREL has developed a PV inverter dynamic model in PSCAD/EMTDC. This papervalidates the dynamic model with an actual hardware bench test conducted by Southern California Edison's Distributed Energy Resources laboratory. All the fault combinations -- symmetrical and unsymmetrical -- were performed in the laboratory. We compare the simulation results with the bench test results.
Original languageAmerican English
Number of pages9
StatePublished - 2013
EventIEEE Green Technologies Conference - Denver, Colorado
Duration: 4 Apr 20135 Apr 2013

Conference

ConferenceIEEE Green Technologies Conference
CityDenver, Colorado
Period4/04/135/04/13

NREL Publication Number

  • NREL/CP-5500-57341

Keywords

  • dynamic models
  • National Renewable Energy Laboratory (NREL)
  • NREL
  • photovoltaic
  • PV
  • renewables
  • solar PV inverter
  • validation

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