A Fast and Generalized Space Vector Modulation Scheme for Multilevel Inverters

Deng, Yi; Teo, Koon Hoo; Duan, Chunjie; Habetler, T.G.; Harley, R.G.

doi:10.1109/tpel.2013.2293734

Cited by 111 publications

(53 citation statements)

References 28 publications

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“…Thus, it has not yet been well studied when it is applied to MMCs. In a three-phase n-level converter, there are usually n 3 switching states and 6 × (n − 1) 2 triangles in the space vector diagram [23]. Figure 3 shows the space vector diagram for a six-level converter.…”

Section: Svmmentioning

confidence: 99%

A Comparison of Modulation Techniques for Modular Multilevel Converters

et al. 2016

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This work presents a comparison of three different modulation techniques applied to modular multilevel converters (MMCs). The three modulation strategies studied in this paper are the phase-shifted sinusoidal pulse width modulation (PS-SPWM), the space-vector modulation (SVM) and the nearest level modulation (NLM). This paper focuses on analysing the particularities and implementation of each modulation technique. The modulation technique largely defines the generated harmonic content, making this is a key point that must be studied in depth. The paper briefly describes the three modulation techniques and analyses the harmonics generated by each one of the methods. In addition, the paper presents and compares the digital implementation of the three modulation methods in a Field Programmable Gate Array (FPGA). The proposed approaches are validated using a real processing platform and experimentally evaluated in a real high-power six-level MMC.

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Section: Svmmentioning

confidence: 99%

A Comparison of Modulation Techniques for Modular Multilevel Converters

et al. 2016

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“…Lascu [8], adopted two PI regulators to realize voltage vector calculation of the space vector modulation (SVM_DTC) of asynchronous motor. At present, the research of this algorithm focuses on verifying the validity of the algorithm through MATLAB model and is based on the simple implementation of DSP platform [9][10][11][12][13][14][15][16][17][18]. Ref [10][11] verified the excellent control effect of the algorithm by MATLAB/Simulink simulation, but it does not give PI adjustment parameters and does not consider the limit of switching frequency in the actual system.…”

Section: Introductionmentioning

confidence: 99%

“…However, due to the limitations of the prediction method, it has not been applied to the engineering field yet. Ref [16][17][18] proposed a sigma incremental modulation scheme based on space vector for multistage voltage source inverter. At the same time, the reference space vector is quantized directly and the results show that it has good practicability.…”

Section: Introductionmentioning

confidence: 99%

An Optimization Algorithm for Direct Torque Control of Industrial Robot Servo Motors

Xin-hua¹,

Yan²,

Zhang³

2019

International Journal of Simulation: Systems, Science &Amp; Technology

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To solve the problem of complexly modeling control system in the conventional, a method for direct torque control driving system of industrial robot asynchronous motor is proposed based on MATLAB/ Simulink by employing the space vector pulse width modulation (SVPWM). The structure and blocking modeling method are employed. Meanwhile, the stator flux linkage control of the principle of direct torque control (DTC) system is analyzed and improved. Finally, through MATLAB/Simulink simulation, the effectiveness of the algorithm is verified. Simulation results show that the introduction of space vector modulation combined with direct torque control (SVM_DTC) control system model achieve good control effect and make the magnetic linkage more accurate.

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“…However, it also shows an increased complexity with high level numbers. Different approaches attempting to reduce the complexity of space vector based control are presented in [13], [16]- [18].…”

Section: Introductionmentioning

confidence: 99%

Direct Current Control for Grid-Connected Diode-Clamped Inverters

Schaefer

Goetze

Hofmann

et al. 2017

IEEE Trans. Ind. Electron.

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Abstract-The accurate control of the line current, robust and dynamic behavior even under distorted grids and other system faults are the most important requirements for grid connected inverters. Applying direct current control to multilevel inverters combines the advantages of both and is an enabling step towards improved inverter performance. Direct current controllers suffer from high complexity at increased level count, which is resolved using geometrical principles and simple analytical calculations for switching vector selection within the space vector diagram. The simplified, novel parametric controller concept is scalable to inverters with arbitrary level count, does not require any switching tables and the new fully symmetric setup guarantees equal switching frequencies among the three phases. The hypotheses are further confirmed on a real hardware test setup on the example of a 3-level NPC inverter hardware and a Xilinx development platform. Experimental results prove the expected behavior of the direct current control under various conditions, shows a general approach to balance the DC-link capacitors of diode-clamped inverters within the theoretical limits and demonstrates the benefits of using Field Programmable Gate Arrays (FPGA) as a controller platform.

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A Fast and Generalized Space Vector Modulation Scheme for Multilevel Inverters

Cited by 111 publications

References 28 publications

A Comparison of Modulation Techniques for Modular Multilevel Converters

A Comparison of Modulation Techniques for Modular Multilevel Converters

An Optimization Algorithm for Direct Torque Control of Industrial Robot Servo Motors

Direct Current Control for Grid-Connected Diode-Clamped Inverters

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