بحث بسيط
السجلات المعروضة 21 -- 30 من 71
A generalized approach for design of contingency versatile DC voltage droop control in multi-terminal HVDC networks
(
Elsevier Ltd
, 2021 , Article)
The non-deterministic nature of power fluctuations in renewable energy sources impose challenges to the design of DC voltage-droop controller in Multi-Terminal High-Voltage DC (MTDC) systems. Fixed droop control does not ...
Optimal power flow in multi-terminal HVDC networks with embedded high-power DC-DC converters for voltage matching and flexible DC transmission
(
Institution of Engineering and Technology
, 2020 , Article)
High-power DC-DC converters are integrated into multi-terminal high-voltage DC (MTDC) networks, typically for voltage matching or flexible DC transmission. This study addresses droop-controlled radial and mesh MTDC networks ...
Multi-terminal Hvdc system with offshore wind farms under anomalous conditions: Stability assessment
(
Institute of Electrical and Electronics Engineers Inc.
, 2021 , Article)
Droop control is widely adopted to control Multi-Terminal high-voltage Direct Current (MTDC) systems with offshore wind farms. During permanent faults, the faulty line should be isolated promptly to preserve a high reliability ...
Development of a three-phase interleaved converter based on SEPIC DC-DC converter operating in discontinuous conduction mode for ultra-fast electric vehicle charging stations
(
John Wiley and Sons Inc
, 2021 , Article)
One of the main challenges that impact transportation systems electrification is their batteries' charging process. This work presents the development of a three-phase ultra-fast Electric Vehicle (EV) charger based on the ...
A modular multilevel DC-DC converter with self-energy equalization for DC grids
(
John Wiley and Sons Inc
, 2021 , Article)
Medium-/High Voltage DC grids are interesting for the integration of renewable energy sources. DC-DC conversion systems are highly needed for the development of DC grids. Recently, Modular Multilevel Converter (MMC) is the ...
Modular isolated DC-DC converters for ultra-fast EV chargers: A generalized modeling and control approach
(
MDPI AG
, 2020 , Article)
Electric Vehicles (EVs) play a significant role in the reduction of CO2 emissions and other health-threatening air pollutants Accordingly, several research studies are introduced owing to replacing conventional gasoline-powered ...
Impact of forced and unforced system parameter variations on network stability and system economics of radial MTDC networks
(
Elsevier Ltd
, 2020 , Article)
This paper focuses on investigating the impact of system parameters uncertainty on voltage droop-controlled Multi-Terminal High-Voltage DC (MTDC) networks. The voltage droop typically controls the power-sharing among the ...
Multimodule Boost-Converter-Based Pulse Generators: Design and Operation
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Article)
In this article, three different types of pulse generators based on multimodule boost converter ringing circuit are presented, namely, interleaved, stacked, and interleaved-stacked with full design and operational concept. ...
Postfault control of scalar (V/f) controlled asymmetrical six-phase induction machines
(
Institute of Electrical and Electronics Engineers Inc.
, 2018 , Article)
With the accelerated development in semiconductor power devices along with the dictated rigorous reliability standards in some industrial sectors, the application of a medium-voltage high-power multiphase induction machine ...
A high voltage pulse-generator based on DC-to-DC converters and capacitor-diode voltage multipliers for water treatment applications
(
Institute of Electrical and Electronics Engineers Inc.
, 2015 , Article)
Pulsed electric field (PEF) can be used effectively in water treatment applications by passing infected water through two electrodes excited from a high voltage pulsed power supply which guarantees killing the harmful ...