Real-Time Photovoltaic Plant Maximum Power Point Estimation for Use in Grid Frequency Stabilization

Anderson Hoke, Eduard Muljadi, Dragan Maksimovic

Research output: Contribution to conferencePaperpeer-review

54 Scopus Citations

Abstract

As the amount of solar photovoltaic (PV) generation connected to electric grids grows, PV displaces conventional rotating machines whose inertia stabilizes the grid frequency on fast time scales. Therefore, especially in low-inertia grids, it may be desirable for PV inverters to control their output power to emulate the inertial response of conventional generators. This paper presents and validates through dynamic simulation a method of providing primary frequency regulation and inertia-like response from PV without energy storage by operating somewhat below maximum power. A novel method of ensuring sufficient power reserve in real time using measured irradiance and temperature is presented and validated against experimental data.

Original languageAmerican English
Number of pages7
DOIs
StatePublished - 1 Sep 2015
Event16th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2015 - Vancouver, Canada
Duration: 12 Jul 201515 Jul 2015

Conference

Conference16th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2015
Country/TerritoryCanada
CityVancouver
Period12/07/1515/07/15

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

NREL Publication Number

  • NREL/CP-5D00-64638

Keywords

  • Active power control
  • Electric power systems
  • Frequency regulation
  • Maximum power point estimation
  • Photovoltaics
  • Synthetic inertia

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