by L Jiang · 2018 · Cited by 36 — The results show that the life cycle assessment of the gearbox is dominated by the manufacture process, and the reuse of components can reduce the impact around
by L Jiang · 2018 · Cited by 36 — For multi-megawatt wind turbines, the maintenance of blades and gearbox may increase environmental impact by 29.1% without reusing of any parts while 14.6% with
“Diagnostic Models for Wind Turbine Gearbox Components Using SCADA Time Series Data: Preprint.” Golden, CO: National Renewable Energy Laboratory. Diagnostic Models for Wind Turbine Gearbox Components Using SCADA Time Series Data Rafael Orozco Computer Science Bucknell University Lewisburg, Pennsylvania rao010@bucknell.edu Shuangwen Sheng National Wind Technology Center National Renewable Energy Laboratory Golden, Colorado, USA Shuangwen.Sheng@nrel.gov Caleb Phillips Computational Sciences National Renewable Energy Laboratory Golden, Colorado, USA Caleb.Phillips@nrel.gov Abstract—This paper presents a scalable, autonomous framework for diagnostics of wind turbine gearbox failures using a multi-feature supervisory control and data acquisition data set spanning multiple years. Keywords: diagnostic model; machine learning; big data; wind turbine; gearbox; component failures I. This study extends existing work by National Renewable Energy Laboratory (NREL) researchers on wind turbine gearboxes [4], which have been shown to be the most costly subsystem to maintain throughout a turbine’s 20-year design life, by using data-driven approaches to catalog and understand component failures in wind turbine gearboxes.
# How to Prevent Wind Turbine Gearbox Failures: Expert Insights from a Forensic Engineer. As a forensic engineer, I’ve spent much of my career studying the failures of mechanical systems and equipment, from wind turbines to large engines. In this blog, we’ll discuss some common reasons for wind turbine gearbox failure, how forensic analysis helps identify the root cause, and why early intervention is essential. ## What is a Wind Turbine Gearbox? The gearbox is one of the most important parts of a wind turbine. ## Common Causes of Wind Turbine Gearbox Failures. When a wind turbine gearbox failure occurs, a systematic forensic investigation is key to finding the root cause. While wind turbine gearbox failures are a large focal point in the renewable energy sector, they aren’t the only large mechanical systems prone to failure. Whether it’s a wind turbine gearbox, a large engine, or a solar installation, understanding the root cause of a failure is the first step to preventing it from happening again.
by A Bejger · 2021 · Cited by 29 — The article presents selected problems related to an analysis of damage to wind turbine planetary gear.
If you manage procurement, operations, or engineering, you already deal with the stress of sourcing reliability, controlling downtime, and avoiding repeat failures across your fleet. In this blog, we’ll explore where gearboxes fit in turbine setups, what drives lifetime, why failures occur, how sourcing choices affect risk, and the practices that support stable performance across wind assets. * **Gearbox reliability** is crucial for turbine uptime, reducing maintenance costs, and avoiding long downtimes. * **Proactive monitoring** and choosing the right supplier with strong support and reliable parts availability help minimize gearbox failures and extend turbine performance. Gearboxes influence how long turbines remain available, how predictable maintenance cycles are, and how well teams manage repair exposure during demanding operating conditions. * **Lead-Time Pressure:** Lead times for replacement units affect turbine availability, spare-parts planning, and the ability to maintain stable production targets across the fleet. * **Maintenance Load:** Poor gearbox performance increases the load on service teams, raising inspection frequency and creating pressure across lubrication, monitoring, and parts inventory planning.
Through a careful selection process, engineers aim to optimize these components to ensure maximum energy capture and conversion efficiency,
The methodology is applied and further validated on a NREL wind turbine gearbox dataset, focusing on the diagnostics of wind turbine rolling