Control of Double Output Induction Machine Based stand alone Variable Speed Constant Frequency generator with nonlinear and unbalanced loads

Pattnaik, Monalisa; Kastha, Debaprasad

doi:10.1109/pes.2010.5589837

Cited by 15 publications

(16 citation statements)

References 16 publications

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“…The quadrature-axis reference current of the machine is calculated from the torque reference, as depicted in Equation (17). The bandwidths of inner current loops are taken as three times of the outer speed control loop.…”

Section: Machine Side Convertermentioning

confidence: 99%

Control of a stand‐alone distributed generation system with unbalanced and nonlinear load

Mishra

Saha

2020

Int Trans Electr Energ Syst

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Control of a stand‐alone squirrel cage induction generator‐based distributed generation system with variable linear, nonlinear, and unbalanced loads is developed in this paper. The combined control developed in the work is using both the load and machine side converter to meet the required objectives. The control structure is intended to get rid of the harmonic component for the duration of nonlinear loading, and to confiscate the negative (backward) sequence component during unbalance loading. The magnitude and frequency of output voltage are maintained during these conditions, as well as with step increment in linear load. A back‐to‐back converter is used to implement the combined control in this work. The control algorithm of generator side converter is to match the input power level with the demand. The major operations performed with the control covers (a) 100% increment of linear load, (b) 47.2% unbalanced load, and (c) complete shift to nonlinear load.

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Section: Machine Side Convertermentioning

confidence: 99%

Control of a stand‐alone distributed generation system with unbalanced and nonlinear load

Mishra

Saha

2020

Int Trans Electr Energ Syst

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“…The basic operation and control of this system is described in detail in [15]. Poor load voltage regulation of the system [14] against unbalanced/nonlinear loads is mitigated in the proposed scheme by connecting the DFIG stator and the load terminals together at the filter capacitor junction and controlling the capacitor voltages in closed loop.…”

Section: Sensorless Control Of the Stand-alone Vscf Generatormentioning

confidence: 99%

Comparison of MRAS based speed estimation methods for a stand alone Doubly Fed Induction Generator

Pattnaik

Kastha

2011

2011 International Conference on Energy, Automation and Signal

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In this paper, different Model Reference Adaptive System (MRAS) based speed estimation methods are presented for a stand-alone Doubly Fed Induction Generator (DFIG) operating in the Variable Speed Constant Frequency (VSCF) mode. Among different MRAS based speed estimation techniques, stator flux based, rotor current based and reactive power based methods are compared in terms of their speed tracking capability during load and speed transients and also with parameter variation. Simulation results are presented to show the performance of each method.

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“…The whole set up including voltage build up process and control algorithm for doubly operated induction generator (DOIG) fed to standalone load is discussed [8]. Design of Controller design by considering filter of DOIG based standalone variable speed constant frequency generator is provided in [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Operation in distributed power generation scheme with transition of control between stand-alone and grid connected modes

Mishra¹,

Saha²

2018

MMC_A

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This paper presents flexible control strategy of a squirrel cage induction generator (SCIG) featuring transition between stand-alone and grid-connected systems. The consistent load voltage supply in both the modes is ensured with smooth transition of the controls of standalone and grid connected modes. In the proposed technique, dc bus voltage controller of the stand-alone system is maintaining the input power same as the demand by controlling the speed. On the other hand, the same dc bus voltage controller of the grid-connected system maintains the output power at same level as input power. The transient performances of different variables of the system, during this flexible control are found to be satisfactory and THD remains within 3% throughout the study. The flexible control for both the modes is presented for the first time in available literature. The model is helpful for interfacing into wind-energy system.

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Control of Double Output Induction Machine Based stand alone Variable Speed Constant Frequency generator with nonlinear and unbalanced loads

Cited by 15 publications

References 16 publications

Control of a stand‐alone distributed generation system with unbalanced and nonlinear load

Control of a stand‐alone distributed generation system with unbalanced and nonlinear load

Comparison of MRAS based speed estimation methods for a stand alone Doubly Fed Induction Generator

Operation in distributed power generation scheme with transition of control between stand-alone and grid connected modes

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