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Showing 1 to 20 of 43 for “"H-bridge"”.
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Integration of energy storage components with cascaded H-bridge multilevel converters
… diode-clamped, flying-capacitor, and cascaded H-bridge. A cascaded H-bridge multilevel converter is created when several H-bridge cells are placed in series. Each H-bridge cell must be fed by a stiff voltage source. In earlier implementations, every one of these voltage sources had to contribute …
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Evaluation of Active Capacitor Banks for Floating H-bridge Power Modules
… capacitor can be integrated with the floating H-bridge power modules to remove the effect of the ripple powers on the DC bus. The auxiliary circuit, which is much smaller in size compared to an equivalent passive capacitor, helps increase the power density of the system. This work focuses on the …
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Design and Analysis of a Novel Multilevel Single Phase Interconnected H-bridge Inverter
… topology called a single phase interconnected H bridge inverter. By utilizing reduced switching complexity, the multilevel inverter can lower the cost of a typical inverter without sacrificing the power quality. The design is developed and analyzed through simulation and hardware testing to …
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Comparative Study of Power Semiconductor Devices in a Multilevel Cascaded H-Bridge Inverter
… of a nine-level transformerless cascaded H-bridge (CHB) inverter with integrated battery energy storage system (BESS) using SiC power MOSFETs and Si IGBTs. Two crucial performance drivers for inverter applications are power loss and efficiency. Both of these are investigated in this thesis. …
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Control of an H-bridge modular multilevel converter for reliable operation of DC transmission systems
… improved modulation and control schemes for an H-bridge modular multilevel converter (MMC) that can be used to enhance the transient response of DC transmission systems. The schemes enable H-bridge MMC cell capacitor voltages to be regulated independent of the DC link voltage in a DC transmission …
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Performance Evaluation of a Cascaded H-Bridge Multi Level Inverter Fed BLDC Motor Drive in an Electric Vehicle
The automobile industry is moving fast towards Electric Vehicles (EV); however this paradigm shift is currently making its smooth transition through the phase of Hybrid Electric Vehicles. There is an ever-growing need for integration of hybrid energy sources especially for vehicular applications. …
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A Pseudo-Binary Cascaded H-bridge Converter for Solid-State Transformer Applications and Modulation Techniques for the Minimization of the Common-Mode Voltage
… Among these topologies, the cascaded H-bridge (CHB) has been extensively used in the industry for MV-high-power applications because of its cost and efficiency in this operation range. Thus, it is one of the prevalent topologies for MV solid-state transformers (SSTs) The asymmetrical …
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Addressing control and capacitor voltage regulation challenges in multilevel power electronic converters
… voltage regulation constraints in cascaded H-bridge multilevel converters with a staircase output voltage waveform. In the proposed method, the harmonic elimination technique is used to determine the switching angles. A constraint was then derived to identify modulation those indices that lead …
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Harmonic reduction of a single-phase multilevel inverter using genetic algorithm and particle swarm optimization
… diode-clamped, capacitor clamped and cascaded H-bridge multilevel inverter to be used for standalone application in term of total harmonics distortion and voltage boosting capability. The first part of research that is identify best topology multilevel inverter is applying sinusoidal pulse width …
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Modeling Ambient Temperature Affected Photovoltaic Inverter IGBT Lifetimes With Rainflow Analysis
… time to failures (MTTF) were calculated for an H-bridge topology inverter with four IGBTs for both cases as 7.27 and 1.22 years, respectively.
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Control, analysis, and design of distributed inverter systems
… This method is applied to series connected H-bridge inverters which interface a distributed system of dc sources to an ac load. The resulting system can employ a very low switching frequency and small output filter while maintaining a low distortion ac output. A control system is developed …
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Soft-Switching, Interleaved Inverter for High Density Applications
… while maintaining efficiency. Classic H-Bridge topologies have limited switching frequency due to hard switching. Soft switching allows inverters to operate at higher frequency while minimizing switching loss. Concurrently, interleaving can reduce current handling stress and conduction …
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Medium voltage petrochemical drives : soft start and adjustable speed systems
… study illustrates that new VSI Cascaded H Bridge (CHB) technology and the application concept is economically feasible. Ultimately the research illustrates how and where new VSI technology can economically be applied with a significantly lower risk level.
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Design of a modular motorcycle windshield wiper
… and a flip-flop circuit coupled with an h-bridge to achieve the desired oscillatory wiper motion. Throughout the design size, power, form, and manufacturing are taken into consideration. The objective of the paper is to lay the groundwork for a successful product innovation.
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Wide Bandwidth Control Electronics For Gan-Based Pebbs
… the design of a high speed power converter (an H-bridge) which is composed of the new driver ICs and GaN power HFETs. The design of the H-bridge make a wide bandwidth power converter available for the simulation/hardware interface in PHIL and hence provides frequency-agile wide-bandwidth power …
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Investigating Impact of Emerging Medium-Voltage SiC MOSFETs on Medium-Voltage High-Power Applications
… range. For this purpose the cascaded H-bridge, the modular multilevel converter and the 5-L active neutral point clamped converters are designed at 4.16-, 6.9- and 13.8 kV voltage ratings and 3- and 5 MVA power ratings. Selection of different voltage and power levels is done to elucidate …
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A Synchronous Distributed Control and Communication Network for High-Frequency SiC-Based Modular Power Converters
… impedance measurement unit (IMU) with cascaded H-bridge PEBBs. An improved synchronization method with additional analog circuits is further implemented and verified with sub-ns synchronization accuracy.
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Modelling and real-time simulation of a modular bidirectional solid-state transformer for ultra-fast charging of electric vehicles
… power conversion solution with a Cascaded H-Bridge (CHB) rectification stage followed by a Dual Active Bridge (DAB) conversion stage. Control strategies and modulation schemes are implemented to achieve voltage balance and unity power factor, and to mitigate current harmonics and voltage …
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