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Hybrid-boost modular multilevel converter-based medium-voltage multiphase induction motor drive for subsea applications
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Korean Institute of Power Electronics
, 2019 , Article)
This paper proposes a hybrid-boost Modular Multilevel Converter (MMC) for the Medium-Voltage (MV) Variable Speed Drives (VSDs) employed in subsea applications, such as oil and gas recovery. In the presented architecture, ...
Simulation studies of non-toxic tin-based perovskites: Critical insights into solar performance kinetics through comparison with standard lead-based devices
(
Academic Press
, 2019 , Article)
We have simulated the operation and functionality of a working Sn-based perovskite solar cell device using GPVDM and compared it against a Pb-based device. The results are extremely promising in that they showcase comparable ...
Sensor-less operation of hybrid boost modular multilevel converter for subsea multiphase medium voltage drives
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Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
This paper introduces Hybrid Boost Modular Multilevel Converter (Hybrid Boost MMC) as a suitable candidate for subsea drive systems. The investigated drive system is based on a five-phase Induction Machine (IM) in order ...
Nine-Phase Six-Terminal Induction Machine Modeling Using Vector Space Decomposition
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Institute of Electrical and Electronics Engineers Inc.
, 2019 , Article)
The nine-phase six-terminal induction machine (IM) has been recently proposed as a promising contender to the conventional asymmetrical six-phase type in terms of torque density, stator winding simplicity, and fault-tolerant ...
Hybrid and modular multilevel converter designs for isolated HVDC-DC converters
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Institute of Electrical and Electronics Engineers Inc.
, 2018 , Article)
Efficient medium and high-voltage dc-dc conversion is critical for future dc grids. This paper proposes a hybrid multilevel dc-ac converter structure that is used as the kernel of dc-dc conversion systems. Operation of the ...
Nine-phase six-terminal pole-amplitude modulated induction motor for electric vehicle applications
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Institution of Engineering and Technology
, 2019 , Article)
In electric drive applications that are based on high-speed induction motors (IMs) with an extended speed range, stator winding pole-changing is a possible technique to avoid oversizing the driving motor. The electronic ...
Quasi two-level PWM operation of a nine-arm modular multilevel converter for six-phase medium-voltage motor drives
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Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
This paper proposes a hybrid converter for medium-voltage six-phase machine drive systems that mixes the operation of a traditional two-level voltage-source inverter and the modular multilevel converter (MMC) to enable ...
Diagnostic value of bronchoalveolar lavage in the subset of patients with negative sputum/smear and mycobacterial culture and a suspicion of pulmonary tuberculosis
(
Elsevier B.V.
, 2019 , Article)
Background: The diagnostic value of bronchoalveolar lavage in patients with negative sputum/smear for tuberculous bacilli has been well studied. However, its value in the subset of patients with both negative sputum/smear ...
Power angle control of grid-connected capacitor-tapped multi-module voltage source converter
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Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
HVDC transmission suits transmitting large amounts of renewable energy power over long distances with low transmission losses. The Capacitor-Tapped Multi-module Converter (CT-MC) can be employed effectively to integrate ...
A Grid-Connected Capacitor-Tapped Multimodule Converter for HVDC Applications: Operational Concept and Control
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Institute of Electrical and Electronics Engineers Inc.
, 2018 , Article)
In this paper, a dc-ac buck converter is proposed as a grid-side converter in high voltage dc (HVdc) transmission systems for high-power renewable energy source grid integration. The proposed architecture consists of ...