Results 51 to 60 of about 687 (187)
Modified Space Vector Pulse Width Modulation for Three-Phase High Voltage Gain Switched-Inductor Split-Source Inverter [PDF]
Renewable energy sources, such as photovoltaic (PV) and fuel cells, have been given attention during the latest decades due to the limitations of non-renewable sources. Therefore, it is essential to improve the structure of voltage source inverters (VSIs)
Mohammad Salehizadeh +3 more
doaj +1 more source
A predictive control method for switching sequence selection based on SVPWM for five‐level converter
Aiming at the problems of complex realization, single control target and difficulty in selecting the optimal zero sequence voltage when the traditional space vector PWM (SVPWM) algorithm is adopted in five‐level active neutral‐point‐clamp (5L‐ANPC ...
Zhan Liu +4 more
doaj +1 more source
An improved SVPWM method for multilevel inverters
This paper proposes a new general Space Vector PWM (SVPWM) method for Multi-Level Inverters (MLI) based on a generalization of dwell-times calculation. The presented scheme is developed for Cascaded H-Bridge (CHB) inverter. In the proposed strategy, the sectors are defined by two parameters serving for the easy calculation of dwell-times. A very simple
Trabelsi, M. +5 more
openaire +2 more sources
To address DC‐side voltage imbalance in star‐connected cascaded H‐bridge STATCOMs under unbalanced grids, a hybrid‐frequency power loop is introduced to enable interphase power transfer. A hybrid‐frequency PWM (HFPWM) method based on voltage vector superposition is proposed, which maintains superior output characteristics for the intermediate‐frequency
Zhendong Ji +4 more
wiley +1 more source
Practical core losses in electrical machines differ significantly from those experimental results using the standardized measurement method, i.e. Epstein Frame method.
Hezhe Gao +6 more
doaj +1 more source
This paper investigates the loss‐of‐excitation characteristics of full‐power converter variable‐speed pumped storage units under different field‐orientated control strategies, revealing that their post‐fault impedance trajectories deviate substantially from conventional synchronous generators.
Qixian Huang +6 more
wiley +1 more source
Neural Network based Direct Torque Controller of SRM for EV Application [PDF]
the control aspects of the elecytric vehicle are presented in this paper. The electric car which is driven by a 6/4 Switched Reluctance Motor (SRM) powered by four battery banks is presented in this paper.
D Ganesh +3 more
doaj +1 more source
We present a safety‐filtered, distributionally robust Bayesian optimisation (DR‐BO) framework for autotuning disturbance‐rejection active disturbance rejection control (ADRC) controllers in inverter‐based microgrids, targeting fast voltage–frequency regulation under islanding, load swings and harmonic stress while satisfying grid‐code total harmonic ...
Ali Asghar Poorat +3 more
wiley +1 more source
Modeling a Pluse-Width Modulation(PWM) Rectifier in 3D Space [PDF]
Power electronics pertains to a category of devices that convert electrical power from one form to another. Semiconductor devices act as switches in power electronics circuits, serving as the central components responsible for voltage regulation.
Prasad Reddy M. Ram +5 more
doaj +1 more source
Research on the Simplified SVPWM for Three-Phase/Switches Y-Type Two-Level Rectifier
The three-phase/switch Y-type two-level rectifier is widely used in the unidirectional power-flowing applications such as LED illumination, communication and uninterruptible power supply.
Hui Ma +3 more
doaj +1 more source

