Results 11 to 20 of about 239 (100)
IET Power Electronics, EarlyView., 2022 Abstract In this paper, a reduced switch count single‐phase hybrid multilevel inverter (MLI) is presented. Level generation unit (LGU) and polarity changing unit (PCU) are the two parts of the presented topology which are connected in series. Other advantages of the proposed topology include the reduced switch count, higher level generation with ...
Mohammad Wasiq +6 more
wiley +1 more source
IET Power Electronics, EarlyView., 2023 This paper proposes a new Double T‐type H‐bridge (DTH) module configuration that can produce 9, 13, 17, 19, 21, and 25 levels using reduced components. Abstract Renewable energy sources are subject to input source uncertainties, which can negatively impact output voltage THD.
Omid Zolfagharian +2 more
wiley +1 more source
IET Power Electronics, EarlyView., 2023 This article presents a Fifteen‐level inverter topology that has a lesser number of switches (12) and can accommodate isolated DC sources. The total harmonic elimination (THD) of the proposed topology using genetic algorithm is within the IEEE 519 standards. Further, the fifteen‐level inverter is implemented in Hardware and firing pulses were generated
Yogesh Joshi +4 more
wiley +1 more source
IET Generation, Transmission & Distribution, 2023 Modular Multilevel Converters (MMCs) are promising candidates for high‐voltage high‐power applications. The main challenge of the MMCs is the zero‐frequency operation.
Ahmed Elserougi +2 more
doaj +1 more source
High‐voltage direct current fault current interruption: A technology review
High Voltage, 2021 This review paper describes fault current interruption principles and various high‐voltage direct currrent (HVDC) circuit breaker technologies. First, fundamentals of HVDC fault current interruption and a generic set of requirements of HVDC circuit ...
Rene P. P. Smeets, Nadew A. Belda
doaj +1 more source
IET Energy Systems Integration, 2021 Modular multilevel converters (MMCs) are favoured in high voltage direct current (HVDC) systems because of huge energy transmission capacity and few harmonics. However, the complicated control and the intricate communication network introduce cyber delay
Jingming Cao +5 more
doaj +1 more source
High Voltage, 2021 A bipolar short‐circuit transient fault identification method for overhead transmission lines in modular multi‐level converter‐based high voltage direct current (MMC‐HVDC) grid based on the hybrid HVDC breaker is proposed.
Botong Li +5 more
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IET Power Electronics, 2023 It is very important to obtain high reliability in the high‐voltage direct current (HVDC) system operation because of extremely high and huge power capacity.
Chi‐Hwan Bae +2 more
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IET Generation, Transmission & Distribution, 2023 This paper presents a comprehensive assessment for the small‐signal voltage stability of voltage source converter (VSC)‐HVDC systems supplying industrial loads represented by the induction motors (IMs) and provides a stability enhancement control for the
Yicheng Xue +5 more
doaj +1 more source
IET Power Electronics, 2023 A modular multilevel converter‐based high voltage direct current (MMC‐HVDC) system involves a large number of cascading submodules (SMs). The failure of SMs may critically degrade the system performance.
Lixia Yang +4 more
doaj +1 more source