Results 181 to 190 of about 207,122 (239)
Seismic Exploration for Magmatic Brine Lenses: An Example From Soufrière Hills Volcano, Montserrat
Geophysical Research Letters, Volume 53, Issue 16, 28 August 2026.Abstract The majority of metallic ore deposits are related to processes associated with ancient or modern volcanic systems. Beyond geothermal energy production, volcanoes also represent a potential resource of critical metals, including those required for carbon‐neutral technologies. Geothermal metals occur in subsurface fluid reservoirs fed by surface
Petros Bogiatzis +4 more
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A Survey on Cascaded Multilevel Inverters
IEEE Transactions on Industrial Electronics, 2010 Cascaded multilevel inverters synthesize a medium-voltage output based on a series connection of power cells which use standard low-voltage component configurations. This characteristic allows one to achieve high-quality output voltages and input currents and also outstanding availability due to their intrinsic component redundancy.
Gopakumar K +2 more
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, 2021 Multilevel Inverters: Control Methods and Power Electronics Applications provides a suite of powerful control methods for conventional and emerging inverter topologies instrumentalized in power electronics applications.
Kabalcı, Ersan
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Multicarrier PWM strategies for multilevel inverters
IEEE Transactions on Industrial Electronics, 2002Analytical solutions of pulsewidth-modulation (PWM) strategies for multilevel inverters are used to identify that alternative phase opposition disposition PWM for diode-clamped inverters produces the same harmonic performance as phase-shifted carrier PWM for cascaded inverters, and hybrid PWM for hybrid inverters, when the carrier frequencies are set ...
B P McGrath, D G Holmes
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Applications of cascade multilevel inverters
Journal of Zhejiang University-SCIENCE A, 2003Cascade multilevel inverters have been developed for electric utility applications. A cascade M-level inverter consists of (M-1)/2 H-bridges in which each bridge's dc voltage is supported by its own dc capacitor. The new inverter can: (1) generate almost sinusoidal waveform voltage while only switching one time per fundamental cycle; (2) dispense with ...
Fang-zen, Peng, Zhao-ming, Qian
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Multilevel inverter by cascading industrial VSI
IEEE Transactions on Industrial Electronics, 2002In this paper the modularity concept applied to medium-voltage adjustable speed drives is addressed. First, the single-phase cascaded voltage-source inverter that uses series connection of IGBT H-bridge modules with isolated dc-buses is presented. Next, a novel three-phase cascaded voltage-source inverter that uses three IGBT triphase inverter modules ...
Remus Teodorescu +4 more
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Fault tolerant multilevel inverter
i-manager's Journal on Power Systems Engineering, 2022The steady rise in energy demand, combined with the loss of conventional resources, spurs research into environmentally benign renewable energy sources like solar and wind. These sources are appropriate for rural, urban, and offshore areas because to their ease of installation, low operating costs, and copious supply (sun light and wind).
Manjhi Sunil, Jhapte Rajkumar
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Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting., 2004
This paper presents a new class of multilevel inverters based on a multilevel dc link (MLDCL) and a bridge inverter to reduce the number of switches, clamping diodes, or capacitors. An MLDCL can be a diode-clamped phase leg, a flying-capacitor phase leg, or cascaded half-bridge cells with each cell having its own dc source.
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This paper presents a new class of multilevel inverters based on a multilevel dc link (MLDCL) and a bridge inverter to reduce the number of switches, clamping diodes, or capacitors. An MLDCL can be a diode-clamped phase leg, a flying-capacitor phase leg, or cascaded half-bridge cells with each cell having its own dc source.
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A Resonant hybrid multilevel inverter
2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), 2022A high efficiency resonant multilevel inverter for motor drive applications is proposed in this paper. It consists of an Open-end Winding AC machine connected from one side to a three-level inverter and on the other side to a resonant DC link inverter.
Foti S. +4 more
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ANALYSIS OF A GENERALIZED SYMMETRICAL MULTILEVEL INVERTER
Journal of Circuits, Systems and Computers, 2011The cascade multilevel converter requires the least number of main components among traditional multilevel converter. In this paper, comparison of main components between proposed and traditional converter is shown. In addition, a generalized symmetrical multilevel inverter is proposed.
Mohamad Reza Banaei, E. Salary
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