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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 ...
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 ...
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' ...
Performance of a five-phase boost inverter-fed submersible induction machine
(2013 , Conference Paper)
An electrical submersible pump (ESP) motor is preferably fed from a low voltage variable-frequency drive (VFD) followed by a step-up transformer. The motor and drive connection through a long feeder usually causes over ...
HVDC shunt tap based on series-input parallel-output DC-AC multi-module VSCs with DC voltages balancing
(
Institution of Engineering and Technology
, 2014 , Conference Paper)
Conventionally, tapping-off a small amount of power from an HVDC transmission line to a three-phase local network can be achieved using a DC-to-AC voltage source converter (VSC) followed by a step down transformer. In order ...
Medium voltage flywheel energy storage system employing dual three-phase induction machine with machine-side series-connected converters
(
Institution of Engineering and Technology
, 2014 , Conference Paper)
Flywheels as energy storage systems are good candidates for numerous power system applications such as voltage support, serving fluctuating loads, frequency regulation and renewable energy utilization. Most of these ...
A cascaded boost inverter-based open-end winding three-phase induction motor drive for photovoltaic-powered pumping applications
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
Although PWM inverter-fed drives are now a well-established technology in industrial applications, the generation of common mode voltage associated with these modulation techniques results in undesired bearing current and ...
High voltage pulse generator based on DC-to-DC boost converter with capacitor-diode voltage multipliers for bacterial decontamination
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Conference Paper)
High voltage pulse generators can be used effectively in water treatment applications, as applying a pulsed electric field on the infected sample guarantees killing of harmful germs and bacteria. In this paper, a new high ...