Results 21 to 30 of about 187,076 (262)

Open-Circuit Fault Diagnosis for Permanent Magnet Synchronous Motor Drives Based on Voltage Residual Analysis

open access: yesEnergies, 2023
With the widespread application of permanent magnet synchronous motor (PMSM) drives, the demand for safety and reliability has increased. Inverter open-circuit fault is a frequent and severe failure that requires reliable detection and remedial measures.
Bo Wang, Xiaobao Feng, Rongxin Wang
doaj   +1 more source

A new fault-tolerant flux-reversal doubly-salient magnetless motor drives with four-phase topology [PDF]

open access: yes, 2015
Paper no. YD-014184The proposed fault-tolerant flux-reversal doubly-salient (FT-FRDS) magnetless motor drive consists of armature winding for driving and DC-field winding for field excitation.
Chau, KT, Lee, CHT, Liu, C
core   +1 more source

Performance Evaluation of FMOSSIM, a Concurrent Switch-Level Fault Simulator [PDF]

open access: yes, 1985
This paper presents measurements obtained while performing fault simulations of MOS circuits modeled at the switch level. In this model the transistor structure of the circuit is represented explicitly as a network of charge storage nodes connected by ...
Bryant, Randal E., Schuster, Michael D.
core   +1 more source

Open circuit fault diagnosis for a five-level neutral point clamped inverter in a grid-connected photovoltaic system with hybrid energy storage system

open access: yesElectrical engineering & Electromechanics, 2023
Introduction. Recently, the number of high and medium voltage applications has increased dramatically. The connection between these different applications requires series-parallel combinations of power semiconductors.
A. Abdellah, M. Larbi, D. Toumi
doaj   +1 more source

A Fault-Tolerant T-Type Multilevel Inverter Topology With Increased Overload Capability and Soft-Switching Characteristics [PDF]

open access: yes, 2017
he performance of a novel three-phase four-leg fault-tolerant T-type inverter topology is introduced in this paper. This inverter topology provides a fault-tolerant solution to any open-circuit and certain short-circuit switching faults in the power ...
Demerdash, Nabeel   +4 more
core   +2 more sources

Robustness analysis and experimental validation of a fault detection and isolation method for the modular multilevel converter [PDF]

open access: yes, 2016
This paper presents a fault detection and isolation (FDI) method for open-circuit faults of power semiconductor devices in a modular multilevel converter (MMC).
Clare, Jon C.   +3 more
core   +2 more sources

Study on fault diagnosis of three-phase four-switch active power filters

open access: yesGong-kuang zidonghua, 2016
In order to solve problem of fault diagnosis of IGBT open-circuit of three-phase four-switch active power filter system, a fault diagnosis method of IGBT open-circuit based on voltage detection was put forward.
ZHANG Man, WANG Tao, LI Zhixi
doaj   +1 more source

Experimental assessments of a triple redundant 9-phase fault tolerant PMA SynRM drive [PDF]

open access: yes, 2017
Fault tolerant machine drives are key enabling technologies in safety critical applications. The machine drives are expected to exhibit high performance in healthy conditions and accommodate as many faults as possible, namely open circuit or short ...
Griffo, A., Sen, B., Wang, B., Wang, J.
core   +1 more source

Open‐circuit fault diagnosis method for three‐level neutral point clamped inverter based on instantaneous frequency of phase current

open access: yesEnergy Conversion and Economics, 2020
Because the three‐level neutral point clamped (NPC) inverter has the advantages of a large output capacity and high output voltage, it is widely used in wind energy and solar energy power generation.
Shuiqing Xu, Juxing Wang, Mingyao Ma
doaj   +1 more source

Fault detection for modular multilevel converters based on sliding mode observer [PDF]

open access: yes, 2013
This letter presents a fault detection method for modular multilevel converters (MMC) which is capable of lo¬cating a faulty semiconductor switching device in the circuit.
Clare, Jon C.   +3 more
core   +1 more source

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