Assessment of medium voltage PWM VSI topologies for multi-megawatt variable speed drive applications

Shakweh, Y.; Lewis, E.A.

doi:10.1109/pesc.1999.785628

Cited by 40 publications

(9 citation statements)

References 2 publications

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“…8 shows the voltage delay compensation at a vector control using a CHBM inverter and PSPWM. The CHBM inverter generates a delayed output voltage by equation (2), and the rotor flux angle angular ω e is shifted in the d-q synchronous reference frame by equation (3). Equation (4) can eliminate the instability of the current controller by using phase compensation.…”

Section: Control For High Performance a Voltage Delay Compensatmentioning

confidence: 99%

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Design of a Cascaded H-Bridge Multilevel Inverter Based on Power Electronics Building Blocks and Control for High Performance

Park¹,

Ryu²,

Lee³

et al. 2010

Journal of Power Electronics

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This paper proposes a practical design for a Cascaded H-Bridge Multilevel (CHBM) inverter based on Power Electronics Building Blocks (PEBB) and high performance control to improve current control and increase fault tolerance. It is shown that the expansion and modularization characteristics of the CHBM inverter are improved since the individual inverter modules operate more independently, when using the PEBB concept. It is also shown that the performance of current control can be improved with voltage delay compensation and the fault tolerance can be increased by using unbalance three-phase control. The proposed design and control methods are described in detail and the validity of the proposed system is verified experimentally in various industrial fields.

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Section: Control For High Performance a Voltage Delay Compensatmentioning

confidence: 99%

“…Fig. 1 shows the power circuit configuration of a Cascaded H-Bridge Multilevel (CHBM) inverter composed of multi-phases [3], [4].…”

Section: Introductionmentioning

confidence: 99%

Design of a Cascaded H-Bridge Multilevel Inverter Based on Power Electronics Building Blocks and Control for High Performance

Park¹,

Ryu²,

Lee³

et al. 2010

Journal of Power Electronics

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“…Generally, there are three ways to improve the rated voltage of the power electronic converter, which are employing transformers at the input and output of the converter, adopting a multilevel topology, and applying devices in series connection. Taking the topology complexity, control complexity, and cost of the converter into account, applying power semiconductor devices in series connection is the most direct, effective, and low-cost measure to increase the rated voltage of power electronic equipment [1].…”

Section: Introductionmentioning

confidence: 99%

Parameter Design of a Three-Level Converter Based on Series-Connected HV-IGBTs

Lü

Zhao

et al. 2014

IEEE Trans. on Ind. Applicat.

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Although the maximum collector-emitter voltage of a high-voltage insulated-gate bipolar transistor (HV-IGBT) reaches 3300 V or higher, it still cannot satisfy the requirements of some high-voltage high-power converters. Applying power semiconductor devices in series connection can effectively improve the voltage rating and power rating of a power electronic converter.The key issue of device series connection is voltage balancing in static switching state and dynamic switching state. In this paper, a three-level converter based on series-connected HV-IGBTs is presented, its voltage-balancing subcircuits are analyzed, and the parameter design method for the converter is proposed. During the design process, key performance indexes of the series connection circuit, such as the voltage-balancing effect, loss of the voltage-balancing circuit, switching loss, and switching time, are comprehensively considered. Moreover, component parameters of the three-level converter are calculated considering the influence of the voltage-balancing circuit. The proposed parameter design method is applied in the development of a three-level HV-IGBT (4500 V/600 A) series connection test platform with 10 000-V rated dc-link voltage. Experimental results verify the validity of the proposed method.Index Terms-High-voltage insulated-gate bipolar transistor (HV-IGBT), parameter design, series connection, three level, voltage balancing.

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“…Multilevel converters have found a wide acceptability in medium and high voltage applications thanks to the advantages of less distortion in the output voltages and easier connection of semiconductor devices in series/parallel [1][2]. However, multilevel converters have generated some unexpected problems, when they are used in electric drives, such as motor bearing currents due to common mode voltages which result in bearing damage.…”

Section: Introductionmentioning

confidence: 99%

Comparison of harmonics and common mode voltage in NPC and FLC Multilevel converters

Hoosh

Zaimeddine

Undeland

2010

Proceedings of 14th International Power Electronics and Motion Control Conference EPE-PEMC 2010

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Three-level converters are widely utilized by industries thanks to the advantages of less dv/dt and less frequency common mode voltage in comparison to conventional two-level PWM inverters. Since these converters utilize switches as fully on or fully off elements and they feed a floating output system, common mode voltage will be unavoidable. This paper presents a comprehensive analysis of common mode voltage in NPC and FLC Multilevel converters using different structures of sine-triangle pulse-width-modulation schemes. Simulations have been performed in Matlab/Simulink ® environment.

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Assessment of medium voltage PWM VSI topologies for multi-megawatt variable speed drive applications

Cited by 40 publications

References 2 publications

Design of a Cascaded H-Bridge Multilevel Inverter Based on Power Electronics Building Blocks and Control for High Performance

Design of a Cascaded H-Bridge Multilevel Inverter Based on Power Electronics Building Blocks and Control for High Performance

Parameter Design of a Three-Level Converter Based on Series-Connected HV-IGBTs

Comparison of harmonics and common mode voltage in NPC and FLC Multilevel converters

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