2017 IEEE Power &Amp; Energy Society General Meeting 2017
DOI: 10.1109/pesgm.2017.8274414
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Operational inductance of DFIG-based wind turbines for fault current analysis during LVRT

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Cited by 7 publications
(4 citation statements)
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“…The fault current of the DFIG-based WT had been analysed in the authors' previous work [16][17][18]. Since the fault results in a severe dip to the stator voltage, the crowbar is typically activated for the first 20 ms to help DFIG-based WT ride through the fault.…”
Section: Fault Current Of Dfig-based Wt and Its Impact On Apparent Impedance Trajectoriesmentioning
confidence: 99%
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“…The fault current of the DFIG-based WT had been analysed in the authors' previous work [16][17][18]. Since the fault results in a severe dip to the stator voltage, the crowbar is typically activated for the first 20 ms to help DFIG-based WT ride through the fault.…”
Section: Fault Current Of Dfig-based Wt and Its Impact On Apparent Impedance Trajectoriesmentioning
confidence: 99%
“…As a result, the measured impedance can be expressed as Z m = V I ∞ e jω 1 t + λI′e − jω s t − (t/τ G2 ) (16) Owing to the impact of the rotor frequency component, the calculated current phasor I as well as the measured impedance Z m oscillates intensively. It also means that, due to the impact of DFIG-based WT's fault current, the measured impedance Z m , on the one hand, cannot directly reflect the practical location of the fault, on the other hand, tends to result in the overreach as shown in Fig.…”
Section: Fault Current Of Dfig-based Wt and Its Impact On Apparent Impedance Trajectoriesmentioning
confidence: 99%
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“…2, the voltage drop between EMF and RSC control voltages is composed of voltage in rotor resistance and transitory inductance of rotor. As a result, since the controllability of RSC is limited by the DC‐link voltage, the required RC cannot be achieved until the natural stator flux is damped to a certain value [23], or else this EMF and its corresponding overcurrent will destroy the RSC immediately. Namely, in a severe fault condition, a time gap between voltage dip and the injection of RC is unavoidable and results in a worst LVRT response.…”
Section: Lvrt Responses Analysismentioning
confidence: 99%