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Power angle control of grid-connected capacitor-tapped multi-module voltage source converter
(
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 ...
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 ...
Investigation of three-phase capacitor-tapped multi-module voltage source converter with selective harmonic elimination
(
Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
In conventional Two-Level Voltage Source Converters (2L-VSCs), connecting between high/medium dc voltage and medium/low ac voltage requires semiconductor devices rated at the high/medium dc-voltage, which negatively affects ...
Model-predictive control for common-mode voltage reduction and third-harmonic current injection techniques with five-phase inverters
(
Institute of Electrical and Electronics Engineers Inc.
, 2018 , Conference Paper)
This paper employs a Model Predictive Control (MPC) technique to reduce the Common-Mode-Voltage (CMV) in five-phase inverters when third harmonic current injection is applied. According to the inverter space vector model, ...
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' ...
A design example of an 8-pole radial AMB for flywheel energy storage
(
IEEE
, 2012 , Conference Paper)
High speed flywheel energy storage systems normally use magnetic bearings to reduce friction loss. Bearing load consists of radial forces with or without axial forces according to drive configuration and requirements. The ...
On the development of flywheel storage systems for power system applications: A survey
(
IEEE
, 2012 , Conference Paper)
Energy storage systems cannot be considered energy sources but having the ability of storing and discharging energy. They have a vital rule in the reliability and power quality of power systems. There are several energy ...