An electromechanical emulation-based study on the behaviour of wind energy conversion systems during short circuit faults
Sign Up to like & getrecommendations! Published in 2020 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2019.112401
Abstract: Abstract Short circuit faults are important phenomena and they may have severe effects on the power system components such as wind turbines (WTs). Although variable-speed WTs are taking the major share of new wind power… read more here.
Keywords: short circuit; wind; wts; circuit faults ... See more keywords
Model‐based strategy for open‐circuit faults diagnosis in n ‐level CHB multilevel converters
Sign Up to like & getrecommendations! Published in 2019 at "IET Power Electronics"
DOI: 10.1049/iet-pel.2018.5478
Abstract: Here, the authors study open-circuit faults (OCFs) in the power switches of multilevel converters with a model-based perspective. In specific, the authors address single-phase cascaded H-bridge (CHB) converters with n -levels in its output voltage… read more here.
Keywords: circuit faults; model based; open circuit; multilevel converters ... See more keywords
Inter-Turn Short-Circuit Faults Diagnosis in Synchronous Reluctance Machines, Using the Luenberger State Observer and Current's Second-Order Harmonic
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3109514
Abstract: Interturn short-circuit faults are one of the most (if not the most) harmful electrical machine failures, that if not detected and mitigated at a very incipient stage of development may involve serious consequences, both in… read more here.
Keywords: luenberger state; short circuit; reluctance machines; circuit faults ... See more keywords
Fault-Tolerant Operation of DC-Field Excited Modular Variable Flux Reluctance Machine Under Open-Circuit Faults
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3118383
Abstract: Dc-field excited modular variable flux reluctance machines (VFRM) are passive salient-pole rotor and independent stator winding, which makes it suitable for aerospace applications. Fault-tolerant operation is commonly required to improve its reliability. Hence, the performance… read more here.
Keywords: circuit faults; open circuit; fault; fault tolerant ... See more keywords
Fast Transistor Open-Circuit Faults Diagnosis in Grid-Tied Three-Phase VSIs Based on Average Bridge Arm Pole-to-Pole Voltages and Error-Adaptive Thresholds
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2017.2773130
Abstract: This paper presents a model-based method to diagnose single- and multiple-transistor open-circuit (OC) faults in grid-tied three-phase voltage-source inverters (VSIs). The method is based on calculated average bridge arm pole-to-pole (PTP) voltages and error-adaptive thresholds.… read more here.
Keywords: open circuit; transistor open; diagnosis; grid tied ... See more keywords
A Redundant Unit to Form T-Type Three-Level Inverters Tolerant of IGBT Open-Circuit Faults in Multiple Legs
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2019.2912177
Abstract: T-type multilevel (T2ML) inverters feature low total harmonic distortion and high efficiency. Reliability improvement is particularly important for T2ML inverters because they have high power device count. Methods that provide T2ML inverters with the ability… read more here.
Keywords: circuit faults; redundant unit; faults multiple; unit ... See more keywords
A Diagnosis Strategy for Multiple IGBT Open-Circuit Faults of Modular Multilevel Converters
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2020.2997963
Abstract: Multiple insulated gate bipolar transistor (IGBT) open-circuit faults severely affect the reliable operation of modular multilevel converters (MMCs). The existing literatures have not provided an effective diagnosis algorithm for MMCs when multiple IGBT open-circuit faults… read more here.
Keywords: igbt open; diagnosis strategy; circuit faults; open circuit ... See more keywords
A Method to Calculate Short-Circuit Faults in High-Voltage DC Grids
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Delivery"
DOI: 10.1109/tpwrd.2020.2978625
Abstract: Accurate fault calculation is vital for the parameter design and protection research of high-voltage DC (HVDC) grids. This paper proposes a general method to calculate short-circuit faults in HVDC grids, and the method is based… read more here.
Keywords: circuit faults; high voltage; method; calculate short ... See more keywords
Data-Driven Cyber-Attack Detection for PV Farms via Time-Frequency Domain Features
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Smart Grid"
DOI: 10.1109/tsg.2021.3136559
Abstract: The internetworking of grid-connected power electronics converters (PECs) in photovoltaic (PV) farms has inevitably expanded the cyber-attack surfaces. This paper presents a comprehensive study on cyber-attack detection and diagnosis for PEC-enabled PV farms via single… read more here.
Keywords: frequency domain; time; cyber attack; farms via ... See more keywords
Currents Analysis of a Brushless Motor with Inverter Faults—Part I: Parameters of Entropy Functions and Open-Circuit Faults Detection
Sign Up to like & getrecommendations! Published in 2023 at "Actuators"
DOI: 10.3390/act12060228
Abstract: In the field of signal processing, it is interesting to explore signal irregularities. Indeed, entropy approaches are efficient to quantify the complexity of a time series; their ability to analyze and provide information related to… read more here.
Keywords: circuit; circuit faults; open circuit; inverter ... See more keywords