Results 21 to 30 of about 466 (144)
Use of an inertia-less virtual synchronous machine within future power networks with high penetrations of converters [PDF]
, 2016 Conventional converter models for wind turbines and Voltage Source HVDC links, as submitted to System Operators, typically use dq-axis controllers with current injection (DQCI).
Adam Dysko +7 more
core +1 more source
IET Generation, Transmission & Distribution, 2023 Power systems around the world are rapidly transitioning to much higher shares of inverter‐based resources (IBRs) with few synchronous generators remaining online.
Badrzadeh Babak +3 more
doaj +1 more source
ESBC: an enhanced modular multilevel converter with H-bridge front end [PDF]
, 2017 This paper presents the Enhanced Series Bridge Converter (ESBC), a hybrid modular multilevel converter with H-bridge front end suitable for high power grid applications.
Amankwah, Emmanuel +4 more
core +1 more source
Operation of a hybrid modular multilevel converter during grid voltage unbalance [PDF]
, 2016 The recently proposed parallel hybrid modular multilevel converter is considered to be a low loss, low component count converter with soft switching capability of the ‘main’ H-bridge.
Ainsworth J.D. +6 more
core +2 more sources
MMC impedance modelling and interaction of converters in close proximity [PDF]
, 2020 This paper develops a small-signal impedance model of modular multilevel converters (MMCs) using harmonic state-space (HSS) method and studies the stability in a multiple converter scenario.
Adeuyi, Oluwole D. +5 more
core +1 more source
A hybrid arm‐multiplexing MMC for DC fault ride‐through without blocking
IET Renewable Power Generation, 2023 Considering both the DC fault ride‐through (FRT) and lightweight requirements of modular multilevel converter (MMC), this paper proposes a hybrid arm‐multiplexing modular multilevel converter (HAM‐MMC).
Yi Wang, Yuwei Li, Chen Wang, Jianye Tao
doaj +1 more source
Microprocessor based system for the development of control and protection of HVDC convertors. [PDF]
, 1984 This project investigates aspects of microprocessor based control and protection schemes for high voltage direct current convertors. To enable this investigation to be carried out, a multiple microprocessor HVDC development system has been assembled ...
Casser, H. R. +4 more
core +1 more source
IET Power Electronics, 2023 In this paper, the problem of harmonic coupling between the converter transformer and the converter under the action of geomagnetically induced current (GIC) is proposed to be investigated.
Yang Peihong +6 more
doaj +1 more source
Analysis of ac/dc system disturbances. [PDF]
, 1980 This thesis describes the development of accurate transient equivalents for the efficient modelling of disturbances in interconnect a.c./d.c. power systems.
Grund, Justyna +2 more
core +1 more source
An overview of HVDC technology [PDF]
, 2020 There is a growing use of High Voltage Direct Current (HVDC) globally due to the many advantages of Direct Current (DC) transmission systems over Alternating Current (AC) transmission, including enabling transmission over long distances, higher ...
Watson, JD, Watson, NR
core +1 more source