NDLI: Power quality surveys of photovoltaic power plants: characterisation and analysis of grid-code requirements

Content Provider	IET Digital Library
Author	Escribano, Andres Honrubia Sánchez, Tania García Lázaro, Emilio Gómez Muljadi, E. García, Angel Molina
Abstract	In the past few years, grid-code requirements for grid-connected photovoltaic power plants have experienced a continuous evolution in different countries to ensure a reliable power system operation as the level of renewable energy penetration increases to high levels. According to several European grid-codes, PV power plants must be able to ride through specific and severe disturbances without disconnections. Under this new framework, the present study analyses intensive power quality surveys carried out from 2008 to 2011 in three different Spanish PV power plants: a fixed array installation with 4 MW PV power capacity, a PV power plant including dual axis–trackers with 1 MW PV power capacity, and one more fixed array PV power plant with 5 MW PV power capacity. Voltage dips and supply interruptions have been collected, discussing several methods to characterise the monitored disturbances and to compare these events to current Grid-Code requirements. Furthermore, the time interval around the residual voltage is proposed and defined by the authors as an additional parameter to provide a complete characterisation of the severity of the disturbances. Results from both characterisations of collected data and comparison with current requirements are also included in the study.
Starting Page	466
Ending Page	473
Page Count	8
ISSN	17521416
Volume Number	9
e-ISSN	17521424
Issue Number	Issue 5, Jul (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/9/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2014.0215
Journal	IET Renewable Power Generation
Publisher Date	2015-01-30
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Dual Axis-trackers European Grid-code Requirements Fixed Array Installation Graphical Representations Harmonics Photovoltaic Power Plant Photovoltaic Power System Power 1 MW Power 4 MW Power 5 MW Power Capacity Power Generation Reliability Power Grid Power Quality Surveys Power Supply Quality Power System Operation Reliability Reliability Residual Voltage Solar Power Stations Spanish PV Power Plant Supply Interruptions Tabular Representations Time Interval Voltage Dips
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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