IM Direct Torque Control with no flux distortion and no static torque error

Lokriti, Abdesslam; Salhi, Issam; Doubabi, Saïd

doi:10.1016/j.isatra.2015.08.014

Cited by 25 publications

(17 citation statements)

References 26 publications

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“…In DTC, the accuracy of electromagnetic torque and stator flux estimation is very important to ensure satisfactory performance [34,46]. So, several parameters must be determined, the stator current is measured while the stator voltage depends on the switching state (S a , S b and S c ) produced by the switching table and the DC link voltage U dc [47].…”

Section: Direct Torque Controlmentioning

confidence: 99%

Modern improvement techniques of direct torque control for induction motor drives - a review

Ouanjli¹,

Derouich²,

Ghzizal³

et al. 2019

Prot Control Mod Power Syst

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Conventional direct torque control (DTC) is one of the excellent control strategies available to control the torque of the induction machine (IM). However, the low switching frequency of the DTC causes high ripples in the flux and torque that leads to an acoustic noise which degrades the control performances, especially at low speeds. Many direct torque control techniques were appeared to remedy these problems by focusing specifically on the torque and flux. In this paper, a state of the art review of various modern techniques for improving the performance of DTC control is presented. The objective is to make a critical analysis of these methods in terms of ripples reduction, tracking speed, switching loss, algorithm complexity and parameter sensitivity. Further, it is envisaged that the information presented in this review paper will be a valuable gathering of information for academic and industrial researchers.

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Section: Direct Torque Controlmentioning

confidence: 99%

Modern improvement techniques of direct torque control for induction motor drives - a review

Ouanjli¹,

Derouich²,

Ghzizal³

et al. 2019

Prot Control Mod Power Syst

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“…Actually, in the stationary reference frame (α, β)s, it is possible to achieve stator flux control through hysteresis controllers as detailed in [28]. The diagram of the DRFOC could be illustrated as given by figure 3, where, Table I presents the switching table and the two chosen controllers are shown respectively in figures 4 and 5.…”

Section: Elimination Of the Pwm Generatormentioning

confidence: 99%

“…In fact, according to the effect brought by each voltage vector to the stator flux components in the (α, β)s reference frame, a switching table I is summarized as follow [28]: Eφsα =1 (Eφsβ=1) means that φsα (φsβ) should increase, Eφsα =-1 (Eφsβ=-1 ) means that φsα (φsβ) should decrease, and Eφsβ =0 means that φsβ should be kept unchanged. While Hφsα and Hφsβ represent respectively the half of the desired φsα and φsβ hysteresis bounds.…”

Section: Elimination Of the Pwm Generatormentioning

confidence: 99%

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DSPace Based Implementation of DRFOC Using Hysteresis Stator Flux Controllers for IM

Lokriti¹,

Salhi²,

Doubabi³

2019

EJEE

Self Cite

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The purpose of this paper is to prove that Induction Motor (IM) torque drive based on Direct Rotor Field Oriented Control (DRFOC) could be achieved using no currents controllers and no PWM block. In fact, we propose, after an inverse Park rotation applied on direct and quadratic stator flux components, to control both stator flux components, real and imaginary, through two hysteresis controllers. Therefore, a switching table is established. It's independent from sector determination, does not introduce zero voltage vectors and with reduced size compared to Takahashi's switching table. Thus, a new approach to realize DRFOC is provided. The proposed DRFOC is validated by practical implementation on a DSPace 1104 board, for a 1.5 kW IM.

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“…However, DTC is a more popular and widely adopted choice due to various reasons, explored by researchers. [22][23][24][25][26][27] The effect of such voltage disturbance condition can be catastrophic for multiphase drives, implemented for sensitive applications. Thus, a proper control function with an appropriate converter configuration for such drive systems accounting the mitigation of such adverse supply effects is of prime importance.…”

mentioning

confidence: 99%

Performance evaluation of controlled QZSI fed five‐phase induction motor under voltage sag and interruption

Panda

Pandey

2019

Int Trans Electr Energ Syst

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Summary This paper proposes a dynamic evolution control (DEC)–based quasi‐Z‐source inverter (QZSI) fed five‐phase induction motor (IM) drive system for nonideal supply voltage conditions. Since, multiphase drives are mostly applicable for sensitive applications, disturbances in the form of voltage sag and interruption is a serious issue. A QZSI offers significant advantages over conventional inverter, such as boost in output direct current (DC) voltage (VO), utilization of shoot‐through state of inverter switches, and delay time avoidance between switches of inverter's each leg. These advantages are effectively utilized with proposed DEC (a nonlinear control function) based duty cycle “D” generation method. “D” is then integrated with space vector modulation (SVM) scheme for direct torque control (DTC) of five‐phase IM drive. A comparative experimental analysis of proposed drive system is presented under different voltage sag conditions, ie, types A, B, and C. Also, a simulation approach is presented for the drive system with an independent external source under voltage interruption condition, which is mostly a follow up phenomena for voltage sag.

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IM Direct Torque Control with no flux distortion and no static torque error

Cited by 25 publications

References 26 publications

Modern improvement techniques of direct torque control for induction motor drives - a review

Modern improvement techniques of direct torque control for induction motor drives - a review

DSPace Based Implementation of DRFOC Using Hysteresis Stator Flux Controllers for IM

Performance evaluation of controlled QZSI fed five‐phase induction motor under voltage sag and interruption

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