Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 16 of 16 for “"modular multilevel converters."”.
-
Modeling, Control and Design Considerations for Modular Multilevel Converters
… thesis provides insight into state-of-the-art Modular Multilevel Converters (MMC) for medium and high voltage applications. Modular Multilevel Converters have increased in interest in many industrial applications, as they offer the following advantages: modularity, scalability, reliability, …
-
High Voltage Direct Current Energy Transmission Using Modular Multilevel Converters
… direct current (HVdc) energy transmission using modular multilevel converter (MMC) based terminals. It provides a brief comparison between different HVdc technologies, focusing on voltage source converters (HVdc-VSC) with the MMC-based terminal emerging as the topology of choice for ratings less …
-
DC Fault Current Analysis and Control for Modular Multilevel Converters
… be an optimal solution. On the other hand, the Modular Multilevel Converter (MMC) is an attractive converter topology choice, as it has advantages such as excellent harmonic performance, distributed energy storage, and near ideal current and voltage scalability. The fault response, on the other …
-
Modular multilevel converters for solar photovoltaic - battery energy storage system integration
… of electric grids. Due to their scalable and modular structure, modular multilevel converters (MMC) are suitable for grid integration of PV and battery energy storage system (BESS). This thesis proposes a novel half-bridge submodule MMC (HBMMC) solution to connect distributed PV systems using …
-
Modeling and Control Strategy for Capacitor Minimization of Modular Multilevel Converters
The modular multi-level converter (MMC) is the most prominent interface converter used between the HVDC grid and the HVAC grid. One of the important design challenges in MMC is to reduce the capacitor size. In the current practice, a rather large capacitor bank is required to store line-frequency …
-
Control, Topology and Component Investigations for Power-Dense Modular Multilevel Converters
… electrification, power-electronic converters play the crucial role of transforming electrical energy from one form to another. However, converters today face multiple challenges in meeting ever-growing demands for higher power density, broader operation ranges, and lower costs. The …
-
State Space Modeling and Power Flow Analysis of Modular Multilevel Converters
… Among the limited choices available, the modular multi-level converter (MMC) is the most prominent interface converter used between the DC and AC grids. This subject has been widely pursued in recent years. One of the important design challenges when using an MMC is to reduce the capacitor …
-
Control of Modular Multilevel Converters for Grid Integration of Full-Scale Wind Energy Conversion Systems
… on the generator/transformer. Although the multilevel converters including the neutral point clamped (NPC) converter and the active NPC converter meet most of the requirements, they fall short in reliability and scalability. Motivated by modularity/scalability feature of the modular …
-
Application of Modular Multilevel Converters (MMC) Using Phase-Shifted PWM and Selective Harmonic Elimination in Distribution Systems
… a power electronics based solution using the modular multilevel converter (MMC) topology to design the MPS system. The market-available power semiconductor devices are analyzed and suitable devices are selected to design the system. The phase-shifted pulse width modulation (PS-PWM) and …
-
Application of Neural Networks to Inverter-Based Resources
… network controller emulator for voltage-sourced converters. It delves into how neural networks could enhance cybersecurity of a component through multiple hardware and software implementations of the same component. This ensures that vulnerabilities inherent in one form of implementation do not …
-
Analysis and design of the modular multilevel converter for secure systems
… the operation, dynamics and design of modular multilevel converters (MMCs) for stable and reliable operation. The internal dynamics and control schemes of the conventional MMC is analysed with consideration of passive component tolerances. Detail qualitative and quantitative analysis of …
-
Modeling and Control of Modular Multilevel Converter
Due to modularity and easy scalability, modular multilevel converters (MMCs) are deemed the most suitable for high-voltage and medium-voltage power conversion applications. However, large module capacitors are usually required in MMCs to store large circulating power of line-frequency and its …
-
Design and Testing of a SiC-based Solid-State Bypass Switch for 1 kV Power Electronics Building Blocks
… efficient high-density medium-voltage (MV) power converters has increased to support flexible power distribution grids. The modular multilevel converters (MMC) became the most typical MV power converters in applications from 2010. This topology has many advantages, such as voltage scalability, …
-
Synchronized Communication Network for Real-Time Distributed Control Systems in Modular Power Converters
Emerging large-scale modular power converters are pursuing high-performance distributed control systems. As opposed to the centralized control architecture, the distributed control architecture features shared computational burdens, pulse-width modulation (PWM) latency compensation, simplified …
-
Topologies and control estrategies of multiport modular multinivel converters
… de media tensión. Entre ellos, los Convertidores Modulares Multinivel (MMC) constituyen una topología prometedora para aplicaciones que requieren un puerto de alta tensión DC. Los MMC, los cuales fueron presentados por primera vez hace una década, realizan una conversión DC/AC bidireccional. …
-
Communication and Control in Power Electronics Systems
… pieces of power electronics devices (such as converters) could offer benefits such as flexibility, abstraction, and modularity. This thesis provides insight into different communication techniques and protocols used in power electronics systems. A top-down approach presents three different …