2019
DOI: 10.1016/j.egypro.2019.01.161
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An adaptive control strategy of crowbar for the low voltage ride-through capability enhancement of DFIG

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Cited by 9 publications
(8 citation statements)
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“…The crowbar was used to improve the relationship between wind farms and interconnected grid. Most of these articles were based on using crowbar as inner protection to stator of doubly fed induction generators (DFIG) such as in [12][13][14]. In Ref.…”
Section: Literature Surveymentioning
confidence: 99%
“…The crowbar was used to improve the relationship between wind farms and interconnected grid. Most of these articles were based on using crowbar as inner protection to stator of doubly fed induction generators (DFIG) such as in [12][13][14]. In Ref.…”
Section: Literature Surveymentioning
confidence: 99%
“…At the same time, the stator flux will also produce some AC (alternating current) components with small amplitude, so the stator flux can be shown in Equation (10).…”
Section: Transient Analysis Of Stator and Rotor Under Three-phase Sho...mentioning
confidence: 99%
“…The stator current is multiplied by the appropriate coefficient as the instruction value of the rotor current to reversely track the stator current for eliminating the electromagnetic torque ripple. The crowbar hardware protection circuit was proposed in H. Jiang et al [10][11][12]. However, in the case of severe voltage sag, increasing the resistance value of the protection circuit to suppress the rotor current will raise the DC bus voltage.…”
Section: Introductionmentioning
confidence: 99%
“…i. The protection system monitors the following anomalies: overcurrent in the rotor circuit or an overvoltage in the DC bus [4] to determine the switching order from the normal to LVRT operation. ii.…”
Section: Simulationswith the Proposed Control Strategymentioning
confidence: 99%
“…However, the main disadvantage of DFIG is its sheer sensitivity towards grid disturbances [4,5]. An abrupt change of the voltage at its terminals, particularly a voltage dip, could cause overcurrent and overvoltage in the rotor terminals and the DC link, which may lead to the activation of the protection system to disconnect the WT d [5,6].…”
Section: Introductionmentioning
confidence: 99%