Results 201 to 210 of about 179,404 (241)

Association of Seasonal Hyperacute Panuveitis Syndrome with <i>S. pneumoniae</i> Endophthalmitis. [PDF]

open access: yesOphthalmol Sci
Nakamichi K   +13 more
europepmc   +1 more source

Negative-Sequence Current Injection of Transmission Solar Farms

IEEE Transactions on Power Delivery, 2020
Integrating solar generation brings about unique challenges in power system protection. Previous studies have found inverter-based resources featuring distinct fault responses compared to conventional generators. The reduction in fault current magnitude and lack of negative and zero sequence currents can fundamentally impact the way that the power ...
Gefei Kou   +2 more
exaly   +2 more sources

Impact of negative sequence current injection by wind power plants

2013 IEEE Power & Energy Society General Meeting, 2013
This paper presents an analysis of the impact from negative sequence current injection by wind power plants in power systems under steady-state and short-term unbalanced conditions, including faults. The separate positive and negative sequence current control capability of the grid-side converters of full scale converter type wind turbines may be ...
Sanjay K Chaudhary   +2 more
exaly   +4 more sources

Negative-Sequence Current Injection for Fast Islanding Detection of a Distributed Resource Unit

IEEE Transactions on Power Electronics, 2008
This paper presents an active islanding detection method for a distributed resource (DR) unit which is coupled to a utility grid through a three-phase voltage-sourced converter (VSC). The method is based on injecting a negative-sequence current through the VSC controller and detecting and quantifying the corresponding negative-sequence voltage at the ...
Houshang Karimi   +2 more
exaly   +3 more sources

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