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Boost inverter-based HVDC transmission system with inherent blocking capability of AC side contribution during DC side faults
(
Elsevier Ltd
, 2014 , Article)
Semiconductor advancements in the past three decades have positioned the voltage source converter-based HVDC (VSC-HVDC) solution as a practical and popular alternative to its line-commutated converter high voltage DC ...
A static three-phase to five-phase transformer based on Scott connection
(
Elsevier B.V.
, 2014 , Article)
Multiphase machines have become challenging candidates for safety-critical applications that require wide fault tolerant capabilities and higher system reliability. However, this adds more complexity to the adopted power ...
Hybrid-boost modular multilevel converter-based medium-voltage multiphase induction motor drive for subsea applications
(
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, ...
Investigation of sensorless capacitor voltage balancing technique for modular multilevel converters
(
IEEE
, 2014 , Conference Paper)
Modular Multilevel converters (MMC) have become one of the most promising topologies for DC-AC conversion in recent years. Capacitor voltage balancing is a vital issue for proper operation of the MMC. Generally, conventional ...
An interline dynamic voltage restoring and displacement factor controlling device (IVDFC)
(
IEEE
, 2014 , Article)
An interline dynamic voltage restorer (IDVR) is invariably employed in distribution systems to mitigate voltage sag/swell problems. An IDVR merely consists of several dynamic voltage restorers (DVRs) sharing a common dc ...
A dual three-phase induction machine based flywheel storage system driven by modular multilevel converters for fault ride through in HVDC systems
(
IEEE Computer Society
, 2016 , Conference Paper)
One of the main challenges of voltage source converter based high voltage direct current (VSC-HVDC) transmission systems is the AC faults at the grid side. This work introduces the integration of multiphase induction machine ...
Sensor-less operation of hybrid boost modular multilevel converter for subsea multiphase medium voltage drives
(
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 ...
Series-Connected Multi-Half-Bridge Modules Active Front-End Rectifier for Medium Voltage Variable Speed Drives
(
Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
Medium-Voltage Variable Speed Drives (VSDs) are the backbone of several critical industries. Providing the proper dc-link voltage to support the VSD's converter is crucial. Conventionally, dc-link voltage is supplied either ...
Exploitation of additional degrees of freedom of multiphase drives in low-frequency operation of modular multilevel converters
(
Institute of Electrical and Electronics Engineers Inc.
, 2019 , Conference Paper)
MMC encounters serious limitations in the zero and low-frequency operation of variable-speed motor drives. In MMC, the voltage ripples of SubModule (SM) capacitor is inversely proportional to the phase current frequency. ...
An H-Bridge Modular DC-DC Converter with Bidirectional Flyback-Based Energy Equalization Modules
(
Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
Conventional Modular Multilevel Converter (MMC) is a promising candidate in high-voltage high-power applications. Unfortunately, operating the conventional MMC with DC output voltage results in unbalanced capacitors' ...