Improving voltage sag tolerance of three-phase ASDs through addition of a neutral connection

Raju, N.R.

doi:10.1109/ias.2002.1042803

Cited by 4 publications

(1 citation statement)

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“…Single phase neutral linked Vienna rectifier is a combination of a single phase AC/DC boost converter and a neutral link [11]. The neutral in the Dc bus doubles the voltage and acts as a voltage doubler [12]. This modified topology of Vienna rectifier has n advantage of low harmonic injection, controlled output voltage and power factor improvement [10].…”

Section: Introductionmentioning

confidence: 99%

Comparative Study of Various Adjustable Speed Drives During Voltage Sag

Renukadevi¹,

Rathinakumar²

2016

IJPEDS

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This Paper compares the sensitivity of various adjustable speed drives to voltage sag for the process control applications. Three phase voltage sag of type B caused due to SLG fault is considered and four topologies of ASD's are compared in this paper. The comparison is done especially in speed, voltage, current and torque of the ASDs. Diode rectifier without z source inverter, diode rectifier with z source inverter, single phase two leg Vienna rectifier and single phase neutral linked Vienna with z source inverter are compared and the best one is highlighted. The circuits of various ASD's are simulated using Matlab /Simulink.

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Section: Introductionmentioning

confidence: 99%