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Showing 1 to 11 of 11 for “"space vector modulation (SVM)"”.
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Analysis, simulation and modeling of three-level VSIs
… high-power high-voltage applications. Complete Space Vector Modulation (SVM) algorithm is developed for a three-phase, three-level converter. Special attention is given to minimization of output ripple and voltage balance of the dc-link input capacitors. Verification of the proposed SVM …
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Development of a Testbed for Evaluation of Electric Vehicle Drive Performance
… The second test analyzes the difference between space vector modulation (SVM) and current-band hysteresis. The final test evaluates the effect of both soft-switching and SVM on drive performance. The tests begin with a steady state analysis of efficiency over a wide range of torque and speed. …
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Towards High Efficiency and High Power Density Converter: System Level Design, Modulation, and Active EMI Filters
… 3-L TNPC inverter also imposes challenge to its modulation and control, a propoer modulation and control shceme need to be chosen to enable better inverter performance in terms of efficiency, neutral point balancing and electromagnetic interference (EMI). Morever, to shrink the EMI filter size …
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New Modulation Method and Control Strategies for Power Electronics Inverters
… of the Selective Harmonic Elimination (SHE) and Space Vector Modulation (SVM) methods in conjunction with a slightly modified Fundamental Phase Shift Compensation (FPSC) technique to generate balanced voltages and manipulate voltage harmonics at the same time. The proposed strategies are …
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Modeling, Analysis, and Design of Distributed Power Electronics System Based on Building Block Concept
… are developed for half-bridge PEBB module and Space Vector Modulation (SVM). These models keep the exact information of the discontinuous SVM and the common mode component of the three-phase system. They can be used to construct the computer models of a power electronics system the same as the …
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Modeling and Control of Parallel Three-Phase PWM Converters
… control concept that uses variable zero-vectors in the space-vector modulation (SVM) of the converters. The control can be implemented within an individual converter and is independent from the other control loops for the converter. Therefore, it greatly facilitates the design and …
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Analysis of Inductor-Coupled Zero-Voltage-Transition Converters
… for restrictions of this concept, a modified space-vector modulation (SVM) scheme also is introduced. A soft-switching topology changes the duty ratios of the converter, which affects the controllability of the converter. Therefore, this dissertation selects resolution of this issue as one of …
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A Power Conditioning System for Superconductive Magnetic Energy Storage based on Multi-Level Voltage Source Converter
… Three-phase AC is implemented with a three-level space vector modulation (SVM) that can reduce the number of switching and harmonic contents from the output current. A closed-loop control system is also implemented for the VSC, and shows 600-Hz control bandwidth. The multi-level structure used …
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On the Circuit Oriented Average Large Signal Modeling of Power Converters and its Applications
… nonlinear transfer characteristics for standard Space Vector Modulation (SVM), which lead to high input current distortion and output voltage ripple inadmissible in telecommunications applications. Physical insight provided by this average model led to the development of a combined modified SVM …
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High Power High Frequency 3-level NPC Power Conversion System
… detail in the dissertation. The topologies and modulation techniques for multilevel converter are categorized at first by a thorough literature survey. The pros and cons for various multilevel topologies and modulation techniques are discussed. The 3-level neutral point clamped (NPC) topology is …
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Implementation of a 100kW Soft-Switched DC Bus Regulator Based on Power Electronics Building Block Concept
… the design freedom in the PWM modulator. A PWM modulation technique is proposed that can considerably reduce the switching events and further remove the associated loss while keeping THD low. Reduced switching events alleviate the thermal issue of the resonant capacitors. The same modulation …