A comparative study between field oriented control and direct torque control of AC traction motor

Garg, Rachana; Mahajan, Priya; Gupta, Nikita; Saroa, Harsha

doi:10.1109/icraie.2014.6909201

Cited by 14 publications

(5 citation statements)

References 7 publications

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“…There is a variety of advanced methods of control of such drives [4,12,15,16] but they mainly fall into two categories: Field Oriented Control (FOC) and Direct Torque Control (DTC). Both these methods require similar computation effort and yield comparable results [1,3,5,11]. This result does not come as a surprise since a 3-phase single level converter offers 8 switching states only.…”

Section: Introductionmentioning

confidence: 59%

Archives of Electrical Engineering

Wach¹

2018

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Maximum Torque Control (MTC) is a new method applied for control of induction motor drives. The drive is controlled by dc voltage supplying a converter in the range below nominal speed and by a field that weakens for a speed range above the nominal speed. As a consequence, the control is quite similar to the control of a classical separately excited dc motor. This control method could be explained as a kind of simplification of Direct Torque Control (DTC), because the switching scheme is the same as for the DTC, but the variable responsible for a torque control is constantly set for "torque increase". This kind of control of induction motor drive is simpler than DTC because torque values need not be estimated. The proposed control method offers very good performance for 3-phase induction motors and requires smaller switching frequency in comparison to DTC and Field Oriented Control (FOC). The application of the control is widely demonstrated for a 3-phase 315 kW, 6 kV motor drive by use of computer simulation.

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Section: Introductionmentioning

confidence: 59%

Archives of Electrical Engineering

Wach¹

2018

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“…field oriented control and direct torque control for induction motor drive used in electric traction have been simulated in MATLAB Simulink R2007a on Intel Core 2 Duo Processor 2.4 GHz Window Vista Home basic (32-bit) Laptop [12].…”

Section: Simulation Results and Analysismentioning

confidence: 99%

“…If the stator flux modulus is kept constant and the angle ρs is changed quickly, then the electromagnetic torque is directly controlled [12]. The same expression can be obtained for the electromagnetic torque as in (4):…”

Section: IIImentioning

confidence: 99%

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Design and simulation of H-bridge fed direct torque controlled electric traction drive

Mahajan

Garg

Gupta

et al. 2014

2014 IEEE 6th India International Conference on Power Electronics (IICPE)

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This paper presents the performance of electric traction motor drive consisting of an AC-DC converter fed vector controlled induction motor drive. The variable frequency induction motor drives used in AC traction system consist of uncontrolled ac-dc converters and voltage source inverters feeding the induction motor. Such converters induce power quality issues in the distribution system such as injecting harmonics which leads to voltage fluctuation, reactive power and low power factor issues. The converter topology discussed in this paper provides the constant dc link, keeps the input power factor close to unity and also reduces the THD of AC mains current. Direct torque control method is used to control H-bridge fed traction motor drive. Modelling and simulated results are presented to demonstrate the features of electric traction drive. The necessary modelling and simulations are done in MATLAB Simulink.

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“…It makes it possible to control the induction machine like the control of a separately excited DC machine, and hence it enables the use of induction motors in applications requiring high-dynamic performance, where traditionally only DC drives were applied. The concept of FOC applied to induction motor drives, allows us to perform fast and fully decoupled control of torque and flux [18]. To obtain such a decoupled control, FOC algorithms need to know the rotor flux angular position to correctly align the stator current vector.…”

Section: Principle Of Dfoc Strategy For Induction Machine Using Two L...mentioning

confidence: 99%

Assessment of field oriented induction machine control strategy using new generation of inverters in BB36000 locomotive

Chaikhy

Es-Saadi²,

Khafallah³

2022

IJPEDS

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Due to their excellent characteristics; Reaching high voltage inverters by using lower voltage switches, reduced output current distortion, dv/dt, and switching losses decrease, efficiency rise, multilevel inverters are an interesting alternative to the two-level inverters especially in traction applications. Many studies compared both topologies, but this work compare performances of Field oriented control strategy using two levels and neutral point piloted three levels inverter supplied by space pulse width modulation. Based on real parameters, this work shows that this efficient multilevel inverter reduces current distortion and torque ripples in a manner to reduces the size and cost of all railway traction systems chosen for this work

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A comparative study between field oriented control and direct torque control of AC traction motor

Cited by 14 publications

References 7 publications

Archives of Electrical Engineering

Archives of Electrical Engineering

Design and simulation of H-bridge fed direct torque controlled electric traction drive

Assessment of field oriented induction machine control strategy using new generation of inverters in BB36000 locomotive

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