Development of real time Wind Turbine Emulator based on DC Motor controlled by hysteresis regulator

Kouadria, Selman; Belfedhal, S.; Messlem, Youcef; Berkouk, El Madjid

doi:10.1109/irsec.2013.6529649

Cited by 18 publications

(11 citation statements)

References 10 publications

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“…When both external disturbances (changes in the velocity reference ω re f and load torque T L ) are presented simultaneously in step form, the control input acts to steer the velocity error variable towards the origin and the armature current i a changes suddenly to achieve the steady state, as can be analyzed in the second equation of the DC motor model (1). Figure 4c displays the constant shunt field current i f and the effective field current i e f f , which is defined by the total effect of the magnetomotive forces of both shunt and series windings, that are connected in accumulative form (2). i e f f varies from 0.30 to 0.33 A following armature current i a changes, and the shunt field current i f holds a constant value of 0.28 A.…”

Section: Proportional Integral Velocity Controllermentioning

confidence: 99%

“…In this regard, a robust, fast, reliable and cheap controller is needed for the DC motor. A closed-loop hysteresis regulator for emulating a wind turbine is illustrated in [2], where the armature current is controlled to regulate the DC motor electromagnetic torque. Here, if the error between the reference and the output exceeds the hysteresis upper limit, a negative voltage is applied to the DC motor armature.…”

Section: Introductionmentioning

confidence: 99%

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A Real-Time SOSM Super-Twisting Technique for a Compound DC Motor Velocity Controller

Morfin

Castañeda

Valderrabano‐Gonzalez

et al. 2017

Energies

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Abstract:In this paper, a real-time robust closed-loop control scheme for controlling the velocity of a Direct Current (DC) motor in a compound connection is proposed. This scheme is based on the state-feedback linearization technique combined with a second-order sliding mode algorithm, named super-twisting, for stabilizing the system and achieving control goals. The control law is designed to track a periodic square reference signal, being one of the most severe tests applied to closed-loop systems. The DC motor drives a squirrel-cage induction generator which represents the load; this generator must work above the synchronous velocity to deliver the generated power towards the grid. A classical proportional-integral (PI) controller is designed for comparison purposes of the time-domain responses with the proposed second-order sliding mode (SOSM) super-twisting controller. This robust controller uses only a velocity sensor, as is the case of the PI controller, as the time derivative of the velocity tracking variable is estimated via a robust differentiator. Therefore, the measurements of field current and stator current, the signal from a load torque observer, and machine parameters are not necessary for the controller design. The validation and robustness test of the proposed controller is carried out experimentally in a laboratory, where the closed-loop system is subject to an external disturbance and a time-varying tracking signal. This test is performed in real time using a workbench consisting of a DC motor-Alternating Current (AC) generator group, a DC/AC electronic drive, and a dSPACE 1103 controller board.

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Section: Proportional Integral Velocity Controllermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Real-Time SOSM Super-Twisting Technique for a Compound DC Motor Velocity Controller

Morfin

Castañeda

Valderrabano‐Gonzalez

et al. 2017

Energies

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“…The development of wind turbine emulators has been discussed through laboratory setups that are under controlled environments and under conveniently controlled electrical setups in various literature [15], [8], [16], [17], [18]. In other related literature, wind speed was programmed based on historical wind speed data, based on a manual set up and/or based on the Van der Hoven spectrum [19], [20].…”

Section: Innovativenss Of the Approachmentioning

confidence: 99%

Development of a real time wind turbine emulator based on RTDS using advanced perturbation methods

Gokhale

Mahajan

Abegaz

et al. 2015

2015 IEEE 15th International Conference on Environment and Electrical Engineering (EEEIC)

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This paper presents the development of a fixed speed wind turbine emulator using the Real Time Digital Simulator (RTDS). The wind turbine emulator consists of a wind turbine modeled in an RSCAD software environment. The software model for the wind turbine generates appropriate torque signals based on wind speed profiles using auto-regressive moving average and perturbation methods. These torque signals were fed to a servo motor emulating the wind turbine and were connected to an induction machine that emulated the generator. The response of the emulator shows that it closely matches the performance of the software model under various wind speed profiles. Thus, it can be used as an effective research and experimental tool in several wind energy based renewable energy projects. Keywords--wind turbine emulator (WTE), real time simulation, hardware-in-the-loop (HIL), perturbation theoryI.

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“…Therefore, using such a system, different control systems can be implemented and verified. In addition, WT emulators can be used as an educational tool in the study of the behavior of a real WT [3].…”

Section: Introductionmentioning

confidence: 99%

“…There are several approaches for wind emulators that are used in different situations depending on the desired requirements. DC motors are used in the construction of wind emulators because of their great ease for implementation and due to their direct relationship between armature current and the torque produced by the machine, as shown in references [3] and [5]. However, they demand higher maintenance requirements and these are costly when compared to other electrical machines in the same power range.…”

Section: Introductionmentioning

confidence: 99%

Emulation of Wind Turbines

Martinello¹,

Carati²,

Costa³

et al. 2016

Wind Turbines - Design, Control and Applications

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This chapter presents the modeling, simulation, and emulation for small wind turbine (WT) systems. The main objective of the emulation system is to reproduce the WT torque dynamic behavior in the generator shaft, which must be similar to one of real horizontal WTs used for distributed generation. The aerodynamic, mechanical, and electrical models for horizontal axis wind turbines (HAWTs) are presented in detail. The models are used for simulation analysis and emulation synthesis. The emulator consists a (i) computational platform, which is based on LabVIEW ® environment and runs the model of the WT and (ii) an induction motor (IM) with AC power drive with torque control. The IM shaft is directly coupled with the real small wind generator and corresponding load. Experimental waveforms are also presented to demonstrate the functionality of the system.

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Development of real time Wind Turbine Emulator based on DC Motor controlled by hysteresis regulator

Cited by 18 publications

References 10 publications

A Real-Time SOSM Super-Twisting Technique for a Compound DC Motor Velocity Controller

A Real-Time SOSM Super-Twisting Technique for a Compound DC Motor Velocity Controller

Development of a real time wind turbine emulator based on RTDS using advanced perturbation methods

Emulation of Wind Turbines

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