Advanced Photovoltaic Inverter Functionality Verification using 500 kW Power Hardware-in-Loop Complete System Laboratory Testing

Barry A. Mather, Matthew A. Kromer, Leo Casey

Research output: Contribution to conferencePaperpeer-review

11 Scopus Citations

Abstract

With the increasing penetration of distribution connected photovoltaic (PV) systems, more and more PV developers and utilities are interested in easing future PV interconnection concerns by mitigating some of the impacts of PV integration using advanced PV inverter controls and functions. This paper describes the testing of a 500kW PV inverter using Power Hardware-in-Loop (PHIL) testing techniques. The test setup is described and the results from testing the inverter in advanced functionality modes, not commonly used in currently interconnected PV systems, are presented. PV inverter operation under PHIL evaluation that emulated both the DC PV array connection and the AC distribution level grid connection are shown for constant power factor (PF) and constant reactive power (VAr) control modes. The evaluation of these modes was completed under varying degrees of modeled PV variability.

Original languageAmerican English
Number of pages6
DOIs
StatePublished - 2013
Event2013 IEEE PES Innovative Smart Grid Technologies Conference, ISGT 2013 - Washington, DC, United States
Duration: 24 Feb 201327 Feb 2013

Conference

Conference2013 IEEE PES Innovative Smart Grid Technologies Conference, ISGT 2013
Country/TerritoryUnited States
CityWashington, DC
Period24/02/1327/02/13

Bibliographical note

See NREL/CP-5500-56833 for preprint

NREL Publication Number

  • NREL/CP-5500-58915

Keywords

  • advanced PV inverter functionality
  • high power photovoltaic (PV) inverter testing
  • power factor control
  • Power hardware-in-loop (PHIL)
  • reactive power control

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