Analysis of Wind Turbine Equipment Failure and Intelligent Operation
Power generation from wind farms is growing rapidly around the world. In the past decade, wind energy has played an important role in contributing to sustainable development. However, wind turbines are extremely susceptible to component damage under complex environments and over long-term operational cycles, which directly affects their maintenance, reliability, and operating costs. It is ...
Zeroing In on the No. 1 Cause of Wind Turbine Gearbox Failures
The gearbox of a wind turbine is responsible for converting the relatively slow rotations of a turbine's blades into the high speeds needed to generate electricity. These hard-working components often do not reach their expected 20-year lifetime, despite meeting industry standards, because of a failure mode called axial or "white-etch ...
Wind turbine failure prediction and health assessment based on adaptive
Some wind turbine failures, although frequent, have little impact on overall operation. Others, though occurring at longer intervals, can lead to lengthy periods of downtime when they occur. ... Case study. This section takes Wind Turbine 9 as an example to analyze the results of the health assessment and failure prediction for specific cases ...
A Comprehensive Analysis of Wind Turbine Blade Damage
The scope of this article is to review the potential causes that can lead to wind turbine blade failures, assess their significance to a turbine's performance and secure operation and summarize the techniques proposed to prevent these failures and eliminate their consequences. ... Kithi, R. Case Study of Lightning Damage to Wind Turbine Blade ...
Full article: The financial risks from wind turbine failures: a value
Many studies on wind turbine failures are limited by data quality and availability (Leahy et al. Citation 2019; J. Li et al. Citation 2016). This study addresses this problem by using Weibull distributions fitted to industry turbine failure data, enhancing precision over studies relying solely on average failure rates.
The Impact of LIDAR‐Assisted Pitch Control on Floating Offshore Wind
Due to the scale of the sites, and distance to shore, the case study utilised a service operation vessel (SOV)-based maintenance strategy. Each site had a dedicated SOV, which was supported by daughter craft. ... tower base and mooring system. Within the literature surrounding offshore wind turbine failure rates, there is a variety of ...
Wind Turbine Failures Review and Trends
This article presents a standardized analysis of failures in wind turbines concerning the main technologies classified in the literature, as well as identifies critical components and trends for the most modern wind farm facilities, which seek greater efficiency, robustness and reliability to mitigate failures and reduce wind turbine downtime. Through the application of Pareto's rule, a set ...
Condition monitoring of wind turbine faults: Modeling and savings
This paper presents a case study on condition monitoring of power generators at offshore wind turbines. Two fault detection models are proposed for detecting sudden changes in the sensed value of metallic debris at the generator. The first model uses an exponentially weighted moving average, while the second monitors first-order derivatives ...
A Novel Proposal in Wind Turbine Blade Failure Detection: An Integrated
This paper presents a novel methodology for detecting faults in wind turbine blades using computational learning techniques. The study evaluates two models: the first employs logistic regression, which outperformed neural networks, decision trees, and the naive Bayes method, demonstrating its effectiveness in identifying fault-related patterns. The second model leverages clustering and ...
Reasons for wind turbine generator failures: a multi-criteria approach
According to Lin et al. , their study considers three primary configurations and failure statistic analysis of wind turbines in China. This paper summarizes the failures of wind turbine components, such as frequency converters, generators, gearboxes, pitch systems, yaw systems, blades, braking systems and sub-synchronous machines.
Structural failure analysis of wind turbines impacted by super typhoon
In order to understand failure mechanisms of wind turbine structures under extreme wind conditions, this paper presented a study on structural failure of wind turbines damaged by super typhoon Usagi in 2013. A particular focus was placed on the effect of strong wind speed and large change of wind direction on tower collapse and blade fracture.
Data driven case study of a wind turbine main-bearing failure
Abstract. This paper presents a data driven case study of two outer-race spalling faults in double-row spherical roller main-bearings, with the purpose of identifying key features and relevant measurements associated with this failure mode in wind turbine main-bearings. Supervisory data is analysed for one fault case and vibration data for the ...
Wind turbine blade failure case analysis and control measures
[email protected] Abstract. In this paper, combined with the wind farm blade failure cases, the blade failure reasons are analyzed from the aspects of blade design, material performance, manufacturing quality, transportation and hoisting, online monitoring, wind farm oper. tion, and maintenance. In order to prevent blade operation failure, measures ...
PDF Analyzing the Aftermath: Common Wind Turbine Failures
ety concerns are likely to arise.Structural FailuresExtreme winds. can severely impact the structural integrity of WTGs. Whether it be a tower collapse or blade fracture, structural failures caused as a result of high-wind or weather-r. lated events, these incidents are often catastrophic. They can result in property dam.
Fracture of wind turbine blades in operation—Part I: A comprehensive
The structural integrity of rotor blades is crucial to ensuring continuous power production of wind turbines. Catastrophic blade fracture can cause significant economic loss and social impact and thereby should be prevented. It is important to understand the structural failure of rotor blades particularly during their normal operation.
Broken Blades, Angry Fishermen and Rising Costs Slow Offshore Wind
Some groups that have long opposed offshore wind turbines have seized on the failures as a reason regulators should be more reluctant to approve the use of these machines. Fishing industry ...
Analyzing a Decade of Wind Turbine Accident News with Topic Modeling
Despite the significance and growth of wind energy as a major source of renewable energy, research on the risks of wind turbines in the form of accidents and failures has attracted limited attention. Research that applies data analytics methodologically in this context is scarce. The research presented here, upon construction of a text corpus of 721 selected wind turbine accident and failure ...
Failure mechanisms of wind turbine blades in India: Climatic, regional
The age of wind turbines in parks varied from 1 to 14 years and even 18 years. Results of the survey are summarized below. Figure 1 shows the frequency of observing of various wind turbine blade failure mechanisms, depending on the age of wind turbines, in Europe (a) and India (b). The results were normalized according to the total failure ...
Root Causes and Mechanisms of Failure of Wind Turbine Blades: Overview
2.1. Methods of Analysis of Mechanisms of Wind Turbine Blade Failure. Wind turbine blade damage can be classified as surface damage (microcracks on the surface and coatings), resin and/or interface damage (delamination, defects in resin) and structural element damage (with broken or kinked fibers) [].The surface damage can be caused by erosion (rain erosion, sand, hail), or small object impacts.
Failure case study of reinforced-concrete foundations of wind turbine
Wind loads on wind turbine towers (WTTs) and fan blades are transferred to the reinforced-concrete (RC) foundations by embedded steel anchor bolts or circular steel tubes (CSTs). Understandably, the stability and bearing capacity of the RC foundations are important to the safety of WTTs. The design principle and operation of RC WTT foundations are analysed and discussed in this paper. The load ...
Wind Turbine Failure Case Study
Wind Turbine Failure, Ohio. Matthew Senn, PE 25 August 2019 Case Study. ... Case Study Wind Turbine Tower Failure - Orkney Islands, UK Envista mechanical and electrical engineers were retained to determine the root cause of several monopole wind farm tower failures. 01 February 2019.
Failures analysis of wind turbines: Case study of a Chinese wind farm
Up to now, few studies on reliability analysis of Chinese wind farms can be found. In this study, based on the field data of a wind farm in Jiangsu Province of China, the failure and maintenance ...
A Review on Failure Modes of Wind Turbine Components
According to figures [141], the primary breakdown components of a wind turbine in the last ten years have been the gearbox, engine, low-speed shaft, high-speed shaft, rotor, yaw mechanism, pitch and control mechanisms. As contrasted to the damages associated with other wind turbine crashes, gearbox failure usually results in the longest ...
Utility sues GE over turbine failures
Utility giant AEP has filed suit over turbine failures at a sprawling wind power project in Oklahoma. Only a few years after a $2 billion Oklahoma wind project started producing power, hundreds of turbines are having mechanical failures, pitting the large utility against a major U.S. turbine maker.
Root Causes and Mechanisms of Failure of Wind Turbine Blades ...
A review of the root causes and mechanisms of damage and failure to wind turbine blades is presented in this paper. In particular, the mechanisms of leading edge erosion, adhesive joint degradation, trailing edge failure, buckling and blade collapse phenomena are considered. Methods of investigation of different damage mechanisms are reviewed, including full scale testing, post-mortem analysis ...
The biggest problem facing offshore wind energy isn't broken blades. It
Case in point: Vineyard Wind did not respond to multiple inquiries for comment for this story. Orsted declined to comment. The development companies are also among those vying for another contract to supply more offshore wind power to Rhode Island, Connecticut and Massachusetts. Rhode Island Energy is expected to announce its tentative ...
Wind Turbine Failure Case Study
Wind Turbine Failure, Ohio. Matthew Senn, PE 25 August 2015 Case Study. ... Case Study Wind Turbine Tower Failure - Orkney Islands, UK Envista mechanical and electrical engineers were retained to determine the root cause of several monopole wind farm tower failures. 02 October 2014.
Fatigue Assessment of Wind Turbine Towers: Review of Processing ...
Wind turbines are structures predominantly subjected to dynamic loads throughout their period of life. In that sense, fatigue design plays a central role. Particularly, support structure design might be conservative with respect to fatigue, which may lead to a real fatigue life of considerably more than 20 years. For these reasons, the implementation of a fatigue monitoring system can be an ...
COMMENTS
Power generation from wind farms is growing rapidly around the world. In the past decade, wind energy has played an important role in contributing to sustainable development. However, wind turbines are extremely susceptible to component damage under complex environments and over long-term operational cycles, which directly affects their maintenance, reliability, and operating costs. It is ...
The gearbox of a wind turbine is responsible for converting the relatively slow rotations of a turbine's blades into the high speeds needed to generate electricity. These hard-working components often do not reach their expected 20-year lifetime, despite meeting industry standards, because of a failure mode called axial or "white-etch ...
Some wind turbine failures, although frequent, have little impact on overall operation. Others, though occurring at longer intervals, can lead to lengthy periods of downtime when they occur. ... Case study. This section takes Wind Turbine 9 as an example to analyze the results of the health assessment and failure prediction for specific cases ...
The scope of this article is to review the potential causes that can lead to wind turbine blade failures, assess their significance to a turbine's performance and secure operation and summarize the techniques proposed to prevent these failures and eliminate their consequences. ... Kithi, R. Case Study of Lightning Damage to Wind Turbine Blade ...
Many studies on wind turbine failures are limited by data quality and availability (Leahy et al. Citation 2019; J. Li et al. Citation 2016). This study addresses this problem by using Weibull distributions fitted to industry turbine failure data, enhancing precision over studies relying solely on average failure rates.
Due to the scale of the sites, and distance to shore, the case study utilised a service operation vessel (SOV)-based maintenance strategy. Each site had a dedicated SOV, which was supported by daughter craft. ... tower base and mooring system. Within the literature surrounding offshore wind turbine failure rates, there is a variety of ...
This article presents a standardized analysis of failures in wind turbines concerning the main technologies classified in the literature, as well as identifies critical components and trends for the most modern wind farm facilities, which seek greater efficiency, robustness and reliability to mitigate failures and reduce wind turbine downtime. Through the application of Pareto's rule, a set ...
This paper presents a case study on condition monitoring of power generators at offshore wind turbines. Two fault detection models are proposed for detecting sudden changes in the sensed value of metallic debris at the generator. The first model uses an exponentially weighted moving average, while the second monitors first-order derivatives ...
This paper presents a novel methodology for detecting faults in wind turbine blades using computational learning techniques. The study evaluates two models: the first employs logistic regression, which outperformed neural networks, decision trees, and the naive Bayes method, demonstrating its effectiveness in identifying fault-related patterns. The second model leverages clustering and ...
According to Lin et al. , their study considers three primary configurations and failure statistic analysis of wind turbines in China. This paper summarizes the failures of wind turbine components, such as frequency converters, generators, gearboxes, pitch systems, yaw systems, blades, braking systems and sub-synchronous machines.
In order to understand failure mechanisms of wind turbine structures under extreme wind conditions, this paper presented a study on structural failure of wind turbines damaged by super typhoon Usagi in 2013. A particular focus was placed on the effect of strong wind speed and large change of wind direction on tower collapse and blade fracture.
Abstract. This paper presents a data driven case study of two outer-race spalling faults in double-row spherical roller main-bearings, with the purpose of identifying key features and relevant measurements associated with this failure mode in wind turbine main-bearings. Supervisory data is analysed for one fault case and vibration data for the ...
[email protected] Abstract. In this paper, combined with the wind farm blade failure cases, the blade failure reasons are analyzed from the aspects of blade design, material performance, manufacturing quality, transportation and hoisting, online monitoring, wind farm oper. tion, and maintenance. In order to prevent blade operation failure, measures ...
ety concerns are likely to arise.Structural FailuresExtreme winds. can severely impact the structural integrity of WTGs. Whether it be a tower collapse or blade fracture, structural failures caused as a result of high-wind or weather-r. lated events, these incidents are often catastrophic. They can result in property dam.
The structural integrity of rotor blades is crucial to ensuring continuous power production of wind turbines. Catastrophic blade fracture can cause significant economic loss and social impact and thereby should be prevented. It is important to understand the structural failure of rotor blades particularly during their normal operation.
Some groups that have long opposed offshore wind turbines have seized on the failures as a reason regulators should be more reluctant to approve the use of these machines. Fishing industry ...
Despite the significance and growth of wind energy as a major source of renewable energy, research on the risks of wind turbines in the form of accidents and failures has attracted limited attention. Research that applies data analytics methodologically in this context is scarce. The research presented here, upon construction of a text corpus of 721 selected wind turbine accident and failure ...
The age of wind turbines in parks varied from 1 to 14 years and even 18 years. Results of the survey are summarized below. Figure 1 shows the frequency of observing of various wind turbine blade failure mechanisms, depending on the age of wind turbines, in Europe (a) and India (b). The results were normalized according to the total failure ...
2.1. Methods of Analysis of Mechanisms of Wind Turbine Blade Failure. Wind turbine blade damage can be classified as surface damage (microcracks on the surface and coatings), resin and/or interface damage (delamination, defects in resin) and structural element damage (with broken or kinked fibers) [].The surface damage can be caused by erosion (rain erosion, sand, hail), or small object impacts.
Wind loads on wind turbine towers (WTTs) and fan blades are transferred to the reinforced-concrete (RC) foundations by embedded steel anchor bolts or circular steel tubes (CSTs). Understandably, the stability and bearing capacity of the RC foundations are important to the safety of WTTs. The design principle and operation of RC WTT foundations are analysed and discussed in this paper. The load ...
Wind Turbine Failure, Ohio. Matthew Senn, PE 25 August 2019 Case Study. ... Case Study Wind Turbine Tower Failure - Orkney Islands, UK Envista mechanical and electrical engineers were retained to determine the root cause of several monopole wind farm tower failures. 01 February 2019.
Up to now, few studies on reliability analysis of Chinese wind farms can be found. In this study, based on the field data of a wind farm in Jiangsu Province of China, the failure and maintenance ...
According to figures [141], the primary breakdown components of a wind turbine in the last ten years have been the gearbox, engine, low-speed shaft, high-speed shaft, rotor, yaw mechanism, pitch and control mechanisms. As contrasted to the damages associated with other wind turbine crashes, gearbox failure usually results in the longest ...
Utility giant AEP has filed suit over turbine failures at a sprawling wind power project in Oklahoma. Only a few years after a $2 billion Oklahoma wind project started producing power, hundreds of turbines are having mechanical failures, pitting the large utility against a major U.S. turbine maker.
A review of the root causes and mechanisms of damage and failure to wind turbine blades is presented in this paper. In particular, the mechanisms of leading edge erosion, adhesive joint degradation, trailing edge failure, buckling and blade collapse phenomena are considered. Methods of investigation of different damage mechanisms are reviewed, including full scale testing, post-mortem analysis ...
Case in point: Vineyard Wind did not respond to multiple inquiries for comment for this story. Orsted declined to comment. The development companies are also among those vying for another contract to supply more offshore wind power to Rhode Island, Connecticut and Massachusetts. Rhode Island Energy is expected to announce its tentative ...
Wind Turbine Failure, Ohio. Matthew Senn, PE 25 August 2015 Case Study. ... Case Study Wind Turbine Tower Failure - Orkney Islands, UK Envista mechanical and electrical engineers were retained to determine the root cause of several monopole wind farm tower failures. 02 October 2014.
Wind turbines are structures predominantly subjected to dynamic loads throughout their period of life. In that sense, fatigue design plays a central role. Particularly, support structure design might be conservative with respect to fatigue, which may lead to a real fatigue life of considerably more than 20 years. For these reasons, the implementation of a fatigue monitoring system can be an ...