Comparative Evaluation of Three-Phase AC–AC Matrix Converter and Voltage DC-Link Back-to-Back Converter Systems

Friedli, Thomas; Kolar, Johann W.; Rodríguez, José; Wheeler, Patrick

doi:10.1109/tie.2011.2179278

Cited by 334 publications

(145 citation statements)

References 32 publications

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“…This is done using turn-on times and averaging conduction current over individual sectors of the space vector hexagon [17]. For a fixed converter modulation index and power factor angle , the NSC current values are calculated using (3) Worst-case steady-state RMS current ripple going through the DC-link capacitor is calculated using (11) and (12) [18].…”

Section: Steady-state Analysismentioning

confidence: 99%

“…It is based on the Semiconductor Area Comparison (SAC) method proposed in [17]. This non-conventional approach aims to first find the minimum ℎ and subsequently to keep the device junction temperature within limits.…”

Section: Semiconductor Area Based Heat-sink Sizingmentioning

confidence: 99%

“…Empirical relationships derived in [17] are employed to quantify the relationship between ℎ and corresponding chip , and ℎ( ) .…”

Section: Semiconductor Area Based Heat-sink Sizingmentioning

confidence: 99%

See 2 more Smart Citations

Integrated Design of Motor Drives Using Random Heuristic Optimization for Aerospace Applications

Cheong

Giangrande

Wheeler

et al. 2017

SAE Technical Paper Series

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High power density for aerospace motor drives is a key factor in the successful realization of the More Electric Aircraft (MEA) concept. An integrated system design approach offers optimization opportunities, which could lead to further improvements in power density. However this requires multi-disciplinary modelling and the handling of a complex optimization problem that is discrete and nonlinear in nature. This paper proposes a multi-level approach towards applying random heuristic optimization to the integrated motor design problem. Integrated optimizations are performed independently and sequentially at different levels assigned according to the 4-level modelling paradigm for electric systems. This paper also details a motor drive sizing procedure, which poses as the optimization problem to solve here. Finally, results comparing the proposed multi-level approach with a more traditional single-level approach is presented for a 2.5 kW actuator motor drive design. The multi-level approach is found to be more computationally efficient than its counterpart.

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Section: Steady-state Analysismentioning

confidence: 99%

Section: Semiconductor Area Based Heat-sink Sizingmentioning

confidence: 99%

See 1 more Smart Citation

Integrated Design of Motor Drives Using Random Heuristic Optimization for Aerospace Applications

Cheong

Giangrande

Wheeler

et al. 2017

SAE Technical Paper Series

View full text Add to dashboard Cite

show abstract

“…However, matrix converters (MCs) do not utilize intermediate energy storage elements. MC topologies have many desirable features, such as a high power factor, a sinusoidal input current, a bi-directional power flow, and a compact design because of the lack of DC-link energy storage components [1], [2]. Conventional direct matrix converters (DMCs), which have an array of m × n bi-directional power switches to connect an m-phase source to an n-phase load, achieve voltage and current conversion in a single stage.…”

Section: Introductionmentioning

confidence: 99%

Fault-Tolerant Strategy to Control a Reverse Matrix Converter for Open-Switch Faults in the Rectifier Stage

Lee¹,

Lee²

2016

Journal of Power Electronics

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Reverse matrix converters, which can step up voltages, are suitable for applications with source voltages that are lower than load voltages, such as generator systems. Reverse matrix converter topologies are advantageous because they do not require additional components to conventional matrix converters. In this paper, a detection method and a post-fault modulation strategy to operate a converter as close as possible to its desired normal operation under the open-switch fault condition in the rectifier stage are proposed. An open-switch fault in the rectifier stage of a reverse matrix converter causes current distortions and voltage ripples in the system. Therefore, fault-tolerant control for open-switch faults is required to improve the reliability of a system. The proposed strategy determines the appropriate switching stages from among the remaining healthy switches of the converter. This is done based on reference currents or voltages. The performance of the proposed strategy is experimentally verified.

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“…It consists of a rectifier stage, inverter stage, and DC-link stage as energy storage elements. Therefore, a B2B converter is an AC-DC-AC indirect power conversion system; furthermore, it has disadvantages such as a bulky size and short lifetime because of the DC-link capacitors [6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Balanced Current Control Strategy for Current Source Rectifier Stage of Indirect Matrix Converter under Unbalanced Grid Voltage Conditions

Bak

Lee

2016

Energies

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This paper proposes a balanced current control strategy for the current source rectifier (CSR) stage of an indirect matrix converter (IMC) under unbalanced grid voltage conditions. If the three-phase grid connected to the voltage source inverter (VSI) of the IMC has unbalanced voltage conditions, it affects the currents of the CSR stage and VSI stage, and the currents are distorted. Above all, the distorted currents of the CSR stage cause instability in the overall system, which can affect the life span of the system. Therefore, in this paper, a control strategy for balanced currents in the CSR stage is proposed. To achieve balanced currents in the CSR stage, the VSI stage should receive DC power without ripple components from the CSR stage. This is implemented by controlling the currents in the VSI stage. Therefore, the proposed control strategy decouples the positive and negative phase-sequence components existing in the unbalanced voltages and currents of the VSI stage. Using the proposed control strategy under unbalanced grid voltage conditions, the stability and life span of the overall system can be improved. The effectiveness of the proposed control strategy is verified by simulation and experimental results.

show abstract

Comparative Evaluation of Three-Phase AC–AC Matrix Converter and Voltage DC-Link Back-to-Back Converter Systems

Cited by 334 publications

References 32 publications

Integrated Design of Motor Drives Using Random Heuristic Optimization for Aerospace Applications

Integrated Design of Motor Drives Using Random Heuristic Optimization for Aerospace Applications

Fault-Tolerant Strategy to Control a Reverse Matrix Converter for Open-Switch Faults in the Rectifier Stage

Balanced Current Control Strategy for Current Source Rectifier Stage of Indirect Matrix Converter under Unbalanced Grid Voltage Conditions

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