A Note on Rudin’s Pathological Submodule in $$H^{2}({\mathbb {D}}^2)$$H2(D2)
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DOI: 10.1007/s00020-017-2380-z
Abstract: In Rudin (Function theory in polydiscs, Benjamin, New York 1969) constructed a submodule in $$H^{2}({\mathbb {D}}^2)$$H2(D2) that contains no nontrivial bounded functions. This paper shows that this type of submodules is Hilbert–Schmidt by selecting a… read more here.
Keywords: rudin pathological; rudin; submodule mathbb; note rudin ... See more keywords
On classical n-absorbing submodules
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DOI: 10.1007/s40065-019-0253-9
Abstract: Let R a commutative ring with identity and M be a unitary R-module. In this paper, we investigate some properties of n-absorbing submodules of M as a generalization of 2-absorbing submodules. We also define the… read more here.
Keywords: submodule; absorbing submodules; classical absorbing;
Thermal Estimation of Modular Multilevel Converter Submodule Using Deep Regression on GRU and LSTM Network
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DOI: 10.1109/access.2022.3191643
Abstract: This paper proposed a GRU/LSTM-based deep regression model for thermal estimation of modular multilevel converter submodule. The MMC is composed of many submodules with the power semiconductors such as IGBTs and MOSFETs. The switches are… read more here.
Keywords: regression; deep regression; submodule; gru lstm ... See more keywords
Hybrid Cascaded Multilevel Inverter (HCMLI) With Improved Symmetrical 4-Level Submodule
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DOI: 10.1109/tpel.2017.2726087
Abstract: This letter proposes an improved symmetrical 4-level submodule as a basic cell for generating multiple dc voltage levels. A hybrid cascaded multilevel inverter (HCMLI) topology is formed by the combination of n submodules and a… read more here.
Keywords: inverter; hcmli; improved symmetrical; symmetrical level ... See more keywords
Balancing of Submodule Capacitor Voltage of Hybrid Modular Multilevel Converter Under DC-Bus Voltage Variation of HVDC System
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2019.2896336
Abstract: A hybrid modular multilevel converter (MMC) consists of both half-bridge submodule (HBSM) and full-bridge submodule (FBSM) in each arm. It has several advantages over other MMC topologies, such as low system loss, reduced cost of… read more here.
Keywords: bus voltage; submodule; system; control ... See more keywords
Practical Submodule Capacitor Sizing for Modular Multilevel Converter Considering Grid Faults
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DOI: 10.3390/app10103550
Abstract: Submodule (SM) capacitors are key elements in the modular multilevel converter (MMC), the design of which influences the entire system performance. In practical cases, SM capacitor sizing must consider the abnormal system operation (e.g., grid… read more here.
Keywords: modular multilevel; multilevel converter; considering grid; capacitor sizing ... See more keywords
Submodule Capacitor Voltage Ripple Reduction of Full-Bridge Submodule-Based MMC (FBSM-MMC) with Non-Sinusoidal Voltage Injection
Sign Up to like & getrecommendations! Published in 2023 at "Energies"
DOI: 10.3390/en16114305
Abstract: The full-bridge submodule (FBSM)-based modular multilevel converter (FBSM-MMC) offers promising performance due to its ability to output negative FBSM voltage. This paper studies this ability of the FBSM-MMC under zero-sequence voltage injection (ZSVI) and second-order… read more here.
Keywords: injection; fbsm; voltage; submodule ... See more keywords