Fault Detection and Condition Monitoring of PMSGs in Offshore Wind Turbines

Freire, Nuno M. A.; Cardoso, António J. Marques

doi:10.3390/machines9110260

Cited by 14 publications

(10 citation statements)

References 144 publications

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“…To regulate the generator shaft's speed, a chopper is necessary. One noteworthy advantage of PMSG-based WECSs is the ability to use a diode rectifier without relying on self-exciting capacitors, making them a cost-effective and flexible alternative in wind turbine design [33]. Despite proposals for the use of VRGs in WECSs dating back to the 1990s, their performance evaluation has been limited to simulations and a few research studies, with no actual deployment.…”

Section: Permanent Magnet Synchronous Generator (Pmsg)mentioning

confidence: 99%

“…To regulate the generator shaft's speed, a chopper is necessary. One noteworthy advantage of PMSG-based WECSs is the ability to use a diode rectifier without relying on self-exciting capacitors, making them a cost-effective and flexible alternative in wind turbine design [33]. The presence of permanent magnets in a PMSG eliminates the need for a magnetizing current to maintain a constant flux in the air gap.…”

Section: Permanent Magnet Synchronous Generator (Pmsg)mentioning

confidence: 99%

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Exploring the Potential of Hybrid Excitation Synchronous Generators in Wind Energy: A Comprehensive Analysis and Overview

Mseddi,

Dhouib,

Zdiri

et al. 2024

Processes

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Due to the unpredictable nature of the wind, uncertainty in the characteristics of wind electrical conversion systems (WECSs), and inefficient management tactics, wind turbines have historically had operational inefficiencies. In order to overcome these drawbacks, the hybrid excitation synchronous generator (HESG), an alternative to traditional generators, is presented in this study along with the suggestion to use robust regulators to regulate HESGs. This research begins with a thorough review of the literature on generators often seen in modern wind systems. Next, a simulation platform that merges a WECS with a HESG tied to an isolated load is built using the MATLAB Simulink environment. Pitch angle control investigation shows a new experimental approach to determine the link between turbine output and the reference pitch angle. Furthermore, an evaluation of the mechanical stability of the WECS is conducted by a comparison of the performance of a H∞ controller and a CRONE controller. The simulation results demonstrate the efficiency of the CRONE controller in reducing mechanical vibrations in the WECS. By reducing vibrations, the proposed control technique enhances the overall performance and efficiency of the wind turbine system. The field is extended by the demonstration of how HESGs and reliable control systems can enhance wind turbine performance while eliminating inherent limitations.

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Section: Permanent Magnet Synchronous Generator (Pmsg)mentioning

confidence: 99%

“…To regulate the generator shaft's speed, a chopper is necessary. One noteworthy advantage of PMSG-based WECSs is the ability to use a diode rectifier without relying on self-exciting capacitors, making them a cost-effective and flexible alternative in wind turbine design [33]. The presence of permanent magnets in a PMSG eliminates the need for a magnetizing current to maintain a constant flux in the air gap.…”

Section: Permanent Magnet Synchronous Generator (Pmsg)mentioning

confidence: 99%

Exploring the Potential of Hybrid Excitation Synchronous Generators in Wind Energy: A Comprehensive Analysis and Overview

Mseddi,

Dhouib,

Zdiri

et al. 2024

Processes

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show abstract

“…In the near future, both the power capacity and size of a single commercial wind turbine are expected to increase [1]. However, if there is a severe fault in a large wind turbine, it often requires complex and costly maintenance works [2]. This is particularly the case for offshore wind turbines, which are much more difficult to access to than their onshore counterparts.…”

Section: Introductionmentioning

confidence: 99%

In‐depth investigation of inter‐turn short‐circuit faults of surface‐mounted permanent magnet machines with series‐parallel coil connections

Mei

Zhu

et al. 2023

IET Electric Power Appl

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A general analytical model is developed in a concise block matrix form for surface‐mounted permanent magnet (SPM) machines with series‐parallel coil connections under inter‐turn short circuit (ITSC) fault. In the model, branch currents are used as state variables and inductances of different series‐parallel coil connections are calculated using an analytical method, namely winding function approach (WFA) together with slot permeance method. Based on the characteristics of the calculated inductances and the developed fault model, the multiphase Clarke transformation has been proposed to simplify the fault model. In the process of model simplification, the healthy machine model using branch currents as state variables have been proven to be equivalent to that using 3‐phase currents as state variables. The proposed fault models of a 3kW 96‐slot 32‐pole SPM machine with different series‐parallel coil connections have been built in Matlab/Simulink and validated by time‐stepping 2D FE simulations. Simulation results show that different series‐parallel coil connections have little influence on the amplitude of the ITSC current. Finally, a small scale 24‐slot 8‐pole SPM machine prototype has been built to further validate the accuracy of the proposed fault model.

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“…Electric motors are fundamental in today's industrialized world. There are several electrical machine types [1][2][3]. However, one that is considered very interesting for many applications is the switched reluctance machine.…”

Section: Introductionmentioning

confidence: 99%

Fault-Tolerant Multilevel Converter to Feed a Switched Reluctance Machine

et al. 2022

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The switched reluctance machine (SRM) is one of the most interesting machines, being adopted for many applications. However, this machine requires a power electronic converter that usually is the most fragile element of the system. Thus, in order to ensure high reliability for this system, it is fundamental to design a power electronic converter with fault-tolerant capability. In this context, a new solution is proposed to give this capability to the system. This converter was designed with the purpose to ensure fault-tolerant capability to two types of switch faults, namely open- and short-circuit. Moreover, apart from this feature, the proposed topology is characterized by a multilevel operation that allows improvement of the performance of the SRM, taking into consideration a wide speed range. Although the proposed solution is presented for an 8/6 SRM, it can be used for other configurations. The operation of the proposed topology will be described for the two modes, fault-tolerant and normal operation. Another aspect that is addressed in this paper is the proposal of fault detection and diagnosis method for this fault-tolerant inverter. It was specifically developed for a multilevel SRM drive. The theoretical assumptions will be verified through two different types of tests, firstly by simulation and secondly by experiments with a laboratory prototype.

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Fault Detection and Condition Monitoring of PMSGs in Offshore Wind Turbines

Cited by 14 publications

References 144 publications

Exploring the Potential of Hybrid Excitation Synchronous Generators in Wind Energy: A Comprehensive Analysis and Overview

Exploring the Potential of Hybrid Excitation Synchronous Generators in Wind Energy: A Comprehensive Analysis and Overview

In‐depth investigation of inter‐turn short‐circuit faults of surface‐mounted permanent magnet machines with series‐parallel coil connections

Fault-Tolerant Multilevel Converter to Feed a Switched Reluctance Machine

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