Avoiding Regeneration with a Matrix Converter Drive

Imayavaramban, M.; Wheeler, Patrick

doi:10.1109/pesc.2007.4342412

Cited by 6 publications

(10 citation statements)

References 48 publications

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“…The power circuit for the BDS method [18], regeneration control circuit (RCC) or electrical braking circuit, is shown in Figure 9. The regeneration control circuit (RCC) is introduced across the input filter capacitors (C AB , C BC , and C AC ).…”

Section: Bidirectional Switch (Bds) Methodsmentioning

confidence: 99%

“…In 2001, Yaskawa Electric in Japan made 5.5-kW and 11-kW matrix converters, and now it is developing higher rating of matrix converters such as 22 kW and 45 kW [10] and selling for lift applications. Because of potential advantages of the Matrix Converter, this has been considered for commercial, industrial [11] and aerospace applications [12].…”

Section: Low Harmonics Content Existmentioning

confidence: 99%

“…Both faster current control loop and speed control loop outputs [12] provide the reference voltages (V sd , V sq ) and hence (V a , V b , V c ) to SVM to get the stable operation of MC drive as shown in Figure 6.…”

Section: Closed-loop Ifovcmentioning

confidence: 99%

“…Two novel techniques [18] are used to identify regeneration when step is applied to reverse the MC drive. These are (1) power comparison technique (PC) and (2) input voltage reference (IVR) technique.…”

Section: Regeneration Detecting Techniquesmentioning

confidence: 99%

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Matrix Converter for More Electric Aircraft

Munuswamy¹,

Wheeler²

2019

Aerospace Engineering

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This proposed chapter discusses three methods that do not allow regenerative power from the matrix converter (MC) motor drive onto the aircraft power supply. According to aerospace power quality specifications, the regenerative power must be dissipated in the drive itself to avoid instability problem in aircraft power supply. These are bidirectional switch (BDS) method, input power clamp (IPC) method, and standard clamp circuit (SCC) method for aerospace applications. To identify regeneration in a matrix converter drive, two novel techniques are proposed. These are power comparison technique (PC) and input voltage reference technique (IVR). In both techniques, output power of MC and direction of speed, these factors are used to detect regeneration in MC drive. The electrical braking is important in many aerospace applications such as surface actuation and air-to-air (in-flight) refueling system. Therefore, the inherent regeneration capability of the matrix converter drive is not desirable for aerospace applications so it has to be avoided. The proposed methods are demonstrated through detailed simulation results and experimental verification. In order to prove the proposed methods with novel techniques, a 7.5-kW matrix converter fed 4-kW induction motor (IM) with inertial load has experimentally implemented. The obtained results using BDS method with PC technique proved avoiding regeneration with a matrix converter is feasible. This chapter is valuable for 150-kVA matrix converter for high-power application.

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Section: Bidirectional Switch (Bds) Methodsmentioning

confidence: 99%

Section: Low Harmonics Content Existmentioning

confidence: 99%

Section: Closed-loop Ifovcmentioning

confidence: 99%

Section: Regeneration Detecting Techniquesmentioning

confidence: 99%

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Matrix Converter for More Electric Aircraft

Munuswamy¹,

Wheeler²

2019

Aerospace Engineering

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“…With the conventional indirect space vector PWM (ISVPWM) technique, the duty cycles of MCs are computed using the concept of duty cycle sharing (DCS) between output voltage vector (OVV) duty cycle and input current vector (ICV) duty cycle, as stated in the literature [21][22][23][24][25].…”

Section: Analytical Treatment Of Didc Pwmmentioning

confidence: 99%

Decoupled indirect duty cycle PWM technique with carrier frequency adjustment for a matrix converter

Kullan¹,

Mahadevan²,

Johnson³

et al. 2018

Turk J Elec Eng & Comp Sci

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The conventional sinusoidal pulse width modulation (SPWM) and the space vector PWM (SVPWM) switching techniques are widely used for power converters due to their ability to control the harmonic content of the output voltage. The most popular PWM techniques used in matrix converters are direct space vector modulation (DSVM) and indirect space vector modulation (ISVM). Since these techniques are complex and difficult to implement, there is demand for a PWM technique with minimum computation to operate matrix converters continuously. In this paper, decoupled indirect duty cycle (DIDC) PWM technique is proposed for the conventional matrix converter (CMC). This technique eliminates the duty cycle computations required for every switching period. In addition, the carrier frequency adjustment technique (CFAT) is proposed to improve the quality of both output voltages and input currents. A MATLAB-Simulink-based simulation proves the efficiency of the proposed algorithms, and an experimental setup is developed to validate them.

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Elimination of common mode voltage using phase shifted dual source matrix converter with improved modulation index

Mahadevan¹,

Raju²,

Muthu

2013

COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

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Purpose -The high-frequency common-mode voltage introduced by power converters, using conventional modulation techniques, results in common-mode current that has the potential to cause physical damage to the shaft and bearings of electric drives as well as unwanted tripping of ground fault relays in motor drives and electrical networks. The paper aims to provide a complete elimination of common mode voltage using a matrix converter (MC) with a new modulation strategy that reduces the size of the power converter system considerably. Further, a new MC topology is proposed to eliminate the common mode voltage with improved voltage transfer ratio (VTR). Design/methodology/approach -The direct MC topology is selected, as it is the only converter topology that has the potential to eliminate common mode voltage in direct AC to AC systems. Using the rotating space vector technique, common mode voltage is eliminated but this reduces the VTR of the converter. To improve the VTR, a modified MC topology with a modified rotating space vector strategy is proposed. In addition, for improving the power factor at the input, the input current control strategy is developed. Findings -The use of rotating space vector technique eliminates the common mode voltage even under all input abnormalities like unbalance and harmonics. By applying positive and negative rotating space vectors, input power factor control can be achieved. However, the control range is limited from unity power factor to the output power factor. It is observed that in the current controlled technique the modulation index reduces further. It is also found that there is a reduction in switching stresses of individual switches in proposed topology compared to direct MC topology. Originality/value -In this paper, a modified rotating space vector technique is applied to the proposed converter topology for elimination of common mode voltage with an increased VTR. The topology can be used for common mode voltage elimination in existing electric drives without the need for modifying the drive system.

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Avoiding Regeneration with a Matrix Converter Drive

Cited by 6 publications

References 48 publications

Matrix Converter for More Electric Aircraft

Matrix Converter for More Electric Aircraft

Decoupled indirect duty cycle PWM technique with carrier frequency adjustment for a matrix converter

Elimination of common mode voltage using phase shifted dual source matrix converter with improved modulation index

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