Implementation of Space Vector Two-Arm Modulation for Independent Motor Control Drive Fed by a Five-Leg Inverter

Talib, Hairul Nizam; Ibrahim, Zulkifilie; Rahim, N.A.; Hasim, Ahmad Shukri Abu

doi:10.6113/jpe.2014.14.1.115

Cited by 12 publications

(7 citation statements)

References 21 publications

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“…The stator windings are distributed over pole pairs, with phase axis spaced by 2 3 ⁄ electrical radians. The PMSM mathematical model in rotor reference frame is illustrated in the following equations [5][6][7].…”

Section: A Pmsm Mathematical Modelmentioning

confidence: 99%

Plugging Braking of Two-PMSM Drive in Subway Applications with Fault-Tolerant Operation

Obed¹,

Abdulabbas²,

Chasib³

2016

IJEEE

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The Permanent Magnet Synchronous Motor (PMSM) is commonly used as traction motors in the electric traction applications such as in subway train. The subway train is better transport vehicle due to its advantages of security, economic, health and friendly with nature. Braking is defined as removal of the kinetic energy stored in moving parts of machine. The plugging braking is the best braking offered and has the shortest time to stop. The subway train is a heavy machine and has a very high moment of inertia requiring a high braking torque to stop. The plugging braking is an effective method to provide a fast stop to the train. In this paper plugging braking system of the PMSM used in the subway train in normal and fault-tolerant operation is made. The model of the PMSM, three-phase Voltage Source Inverter (VSI) controlled using Space Vector Pulse Width Modulation technique (SVPWM), Field Oriented Control method (FOC) for independent control of two identical PMSMs and fault-tolerant operation is presented. Simulink model of the plugging braking system of PMSM in normal and fault tolerant operation is proposed using Matlab/Simulink software. Simulation results for different cases are given.

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Section: A Pmsm Mathematical Modelmentioning

confidence: 99%

Plugging Braking of Two-PMSM Drive in Subway Applications with Fault-Tolerant Operation

Obed¹,

Abdulabbas²,

Chasib³

2016

IJEEE

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“…Fig. 3 shows a control block diagram of the induction machine [20]. The q-axis current reference is produced from the outer speed control loop.…”

Section: Control Of Im Drives For Esr Estimation Of Dc-link Capamentioning

confidence: 99%

Estimation of ESR in the DC-Link Capacitors of AC Motor Drive Systems with a Front-End Diode Rectifier

Nguyễn¹,

Le²,

Lee³

2015

Journal of Power Electronics

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In this paper, a new method for the online estimation of equivalent series resistances (ESR) of the DC-link capacitors in induction machine (IM) drive systems with a front-end diode rectifier is proposed, where the ESR estimation is conducted during the regenerative operating mode of the induction machine. In the first place, a regulated AC current component is injected into the q-axis current component of the induction machine, which induces the current and voltage ripple components in the DC-link. By processing these AC signals through digital filters, the ESR can be estimated by a recursive least squares (RLS) algorithm. To acquire the AC voltage across the ESR, the DC-link voltage needs to be measured at a double sampling frequency. In addition, the ESR current is simply reconstructed from the stator currents and switching states of the inverter. Experimental results have shown that the estimation error of the ESR is about 1.2%, which is quite acceptable for condition monitoring of the capacitor.

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“…The equivalent control model for the VSC is generally achieved by neglecting the influence of the series resistance R [8], [25], [27]. However, through the observation of (3) and Fig.…”

Section: Calculation Methods Of the Reference Voltagementioning

confidence: 99%

“…However, obtaining a high-frequency chatter free switching frequency on the sliding surface requires prior knowledge of the upper bounds of the system uncertainties [6]. Space vector modulation (SVM) is a widely used PWM strategy due to its constant switching frequency, and because its chosen switching sequence can be easily implemented with Park transformation [7], [8]. Meanwhile, this voltage oriented control divides alternating current into two parts, active and reactive segments, and then controls them separately with linear PI regulators, which achieves a good dynamic response by the inner current control loop with accurate decoupling calculations and proportional-integral regulating [9].…”

Section: Introductionmentioning

confidence: 99%

“…Sinusoidal current regulation with low total harmonic distortion (THD) of a 3-phase bidirectional power flowing PWM voltage source converter (VSC) is an aspect of paramount importance to obtain good performance in many different applications, such as active power filters, motor drives, variable-speed wind turbines and photovoltaic inverters [1]- [8]. As a result, the research and development of various methods in the field of current regulators have been put forward to realize good power quality for VSCs.…”

Section: Introductionmentioning

confidence: 99%

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An Inductance Voltage Vector Control Strategy and Stability Study Based on Proportional Resonant Regulators under the Stationary αβ Frame for PWM Converters

Sun¹,

Wei²,

Gao³

et al. 2016

Journal of Power Electronics

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The mathematical model of a three phase PWM converter under the stationary αβ reference frame is deduced and constructed based on a Proportional-Resonant (PR) regulator, which can replace trigonometric function calculation, Park transformation, real-time detection of a Phase Locked Loop and feed-forward decoupling with the proposed accurate calculation of the inductance voltage vector. To avoid the parallel resonance of the LCL topology, the active damping method of the proportional capacitor-current feedback is employed. As to current vector error elimination, an optimized PR controller of the inner current loop is proposed with the zero-pole matching (ZPM) and cancellation method to configure the regulator. The impacts on system's characteristics and stability margin caused by the PR controller and control parameter variations in the inner-current loop are analyzed, and the correlations among active damping feedback coefficient, sampling and transport delay, and system robustness have been established. An equivalent model of the inner current loop is studied via the pole-zero locus along with the pole placement method and frequency response characteristics. Then, the parameter values of the control system are chosen according to their decisive roles and performance indicators. Finally, simulation and experimental results obtained while adopting the proposed method illustrated its feasibility and effectiveness, and the inner current loop achieved zero static error tracking with a good dynamic response and steady-state performance.

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Implementation of Space Vector Two-Arm Modulation for Independent Motor Control Drive Fed by a Five-Leg Inverter

Cited by 12 publications

References 21 publications

Plugging Braking of Two-PMSM Drive in Subway Applications with Fault-Tolerant Operation

Plugging Braking of Two-PMSM Drive in Subway Applications with Fault-Tolerant Operation

Estimation of ESR in the DC-Link Capacitors of AC Motor Drive Systems with a Front-End Diode Rectifier

An Inductance Voltage Vector Control Strategy and Stability Study Based on Proportional Resonant Regulators under the Stationary αβ Frame for PWM Converters

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