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A Droop Control Design for Multiterminal HVDC of Offshore Wind Farms With Three-Wire Bipolar Transmission Lines
(
IEEE
, 2015 , Article)
Converting existing ac transmission lines to an extended multiterminal three-wire bipolar HVDC system can be considered a cost-effective way to interconnect dispersed offshore wind farms to onshore ac grids instead of ...
A series flywheel architecture for power levelling and mitigation of DC voltage transients in multi-terminal HVDC grids
(
Institution of Engineering and Technology
, 2014 , Article)
This study proposes a new architecture of flywheel energy storage system (FESS) which can be implemented at generating unit (GU) level (e.g. wind turbine) or scaled up for application in grid-side converter (GSC) stations ...
Three-wire bipolar high-voltage direct current line using an existing single-circuit high-voltage alternating current line for integrating renewable energy sources in multiterminal DC networks
(
Institution of Engineering and Technology
, 2016 , Article)
When compared with conventional point-To-point high-voltage direct current (HVDC) systems, multiterminal HVDC (MTDC) systems are more economical and flexible. MTDC systems can tie distributed high power renewable energy ...
New tri-switching state non-isolated high gain DC-DC boost converter for microgrid application
(
Institution of Engineering and Technology
, 2019 , Article)
High efficiency is an important requirement from DC-DC converter in DC microgrid system when integrated with renewable energy sources. This study proposes a new tri-switching state non-isolated high gain boost converter ...
A Pulsewidth Modulation Technique for High-Voltage Gain Operation of Three-Phase Z-Source Inverters
(
Institute of Electrical and Electronics Engineers Inc.
, 2016 , Article)
Z-source inverter (ZSI) was recently proposed as a single-stage buck-boost dc-ac power conversion topology. It augments voltage boost capability to the typical voltage buck operation of the conventional voltage source ...
A boost converter-based ringing circuit with high-voltage gain for unipolar pulse generation
(
Institute of Electrical and Electronics Engineers Inc.
, 2016 , Article)
High-Voltage pulse generators are commonly used in biotechnology, medicine, industrial applications, food processing and drinking water purification. The dc-dc boost converter has been used before in pulsed applications ...
Modular Multilevel Converter-Based Bipolar High-Voltage Pulse Generator with Sensorless Capacitor Voltage Balancing Technique
(
Institute of Electrical and Electronics Engineers Inc.
, 2016 , Article)
In order to generate bipolar high-voltage (HV) pulses across certain load from HV dc (HVdc) power supply, a voltage source inverter (VSI) stage should be inserted between the load and the supply. In order to meet the ...
A non-isolated quasi-Z-source-based high-gain DC-DC converter
(
John Wiley and Sons Ltd
, 2022 , Article)
To overcome the problems associated with Z-source-based DC-DC converters, a quasi-Z-source (QZS)-based high-gain DC-DC boost converter with switched capacitors is proposed in this work. Z-source-based DC-DC converters have ...
A hybrid switched inductor with flexible high voltage gain boost converter for DC micro-grid application
(
John Wiley and Sons Inc
, 2021 , Article)
A hybrid switched inductor with flexible high voltage gain boost converter for 400 V DC microgrid application is presented in the paper. The three operating modes of the converter are controlled using three switches by ...
A Novel Converter Station Structure for Improving Multiterminal HVDC System Resiliency Against AC and DC Faults
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Article)
In an effort to minimize the power disruption between a dc grid and ac grids that host power converters during ac and dc network faults, this paper proposes a novel converter station structure to improve ac and dc fault ...