Results 1 to 10 of about 187,076 (262)

Open Circuit Fault Detection of T-Type Grid Connected Inverters Using Fast S Transform and Random Forest [PDF]

open access: yesEntropy, 2023
To detect open circuit faults of grid-connected T-type inverters, this paper proposed a real-time method based on fast S transform and random forest.
Li You   +4 more
doaj   +2 more sources

Open circuit fault diagnosis and fault classification in multi-level inverter using fuzzy inference system [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2023
Multi-level inverters (MLIs) have been successfully used to integrated the renewable energy sources (RES) into microgrids. However, the operation of MLI is affected when an open circuit fault (OCF) or a short circuit fault occurs.
Singh Vikram   +2 more
doaj   +1 more source

Impedance-Based Short Circuit—Short Circuit Fault Location Method in Coaxial Cables

open access: yesIEEE Access, 2023
The paper presents the results of the assessment and verification of a non-destructive method of fault location in coaxial cables with a local weakening of insulation.
Aneta Bugajska, Tomasz Desaniuk
doaj   +1 more source

Power switch open circuit fault diagnosis strategy for novel fault-tolerant electric drive system based on fuzzy logic

open access: yesEnergy Reports, 2022
A novel fault-tolerant electric drive system based on dual-winding permanent magnet motor (DWPMM) has been proposed to enhance the reliability of electric drive system.
Kaiwen Wang   +3 more
doaj   +1 more source

Fault Detection and Identification in MMCs Based on DSCNNs

open access: yesEnergies, 2023
Fault detection and location is one of the critical issues in engineering applications of modular multilevel converters (MMCs). At present, MMC fault diagnosis based on neural networks can only locate the open-circuit fault of a single submodule.
Guanyuan Cheng, Shaojian Song
doaj   +1 more source

Fault diagnosis of T-type three-level inverter based on bridge voltages [PDF]

open access: yesArchives of Electrical Engineering, 2021
Multilevel inverters have been widely used in various occasions due to their advantages such as lowharmonic content of the outputwaveform. However, because multilevel inverters use a large number of devices, the possibility of circuit failure is also ...
Danjiang Chen   +2 more
doaj   +1 more source

Analysis and fault-tolerant control of inter-turn short-circuit fault for five-phase permanent-magnet synchronous machine

open access: yesEnergy Reports, 2022
For the demand of high reliability in the aerospace field, multi-phase electric machines have become a research hotspot for the fault-tolerant ability. Inter-turn short-circuit fault is one of the main fault forms in the electric machine.
Zaiping Zheng   +5 more
doaj   +1 more source

Localization for MMC submodule open-circuit fault based on Pauta criterion

open access: yes电力工程技术, 2023
The modular multilevel converter (MMC) is widely used in the field of high-voltage and high-power transmission due to its advantage of modular structure.
WANG Bao'an, ZHANG Hanlu, DENG Fujin
doaj   +1 more source

Sensorless Fault-Tolerant Control of Dual Three-Phase Permanent Magnet Synchronous Motor

open access: yesWorld Electric Vehicle Journal, 2021
Dual three-phase permanent magnet synchronous motors (DTPMSM) are used in the steer-by-wire system of electric vehicles that require high reliability.
Fan Cao   +3 more
doaj   +1 more source

Open-circuit fault diagnosis method for switching tube of mine NPC three-level inverter

open access: yesGong-kuang zidonghua, 2022
The inverter of the motor drive system in the mine hoist and belt conveyor mostly adopts neutral point clamped (NPC) three-level inverter. This inverter has a large number of switching tubes and high running frequency.
LIANG Hong
doaj   +1 more source

Home - About - Disclaimer - Privacy