• Pioneering passive RF sensing technology for rotating turbomachinery applications.
Get in touch

Wind Turbine Blade Condition Monitoring with Sensatek’s Vision AI and Vibration Monitoring

11.26.2024 | Test Studies

New York Power Authority
Hydroelectric plants face an evolving challenge: balancing operational reliability with the increased flexibility demanded by the rise of renewable energy sources. With renewables like solar and wind increasing by 18% since 2019, hydro plants are required to rapidly adjust their output to stabilize the grid. This flexibility, while crucial, places additional stress on plant equipment, particularly the turbine’s wicket gates and distributor mechanisms, driving up operations and maintenance costs.

The Challenge: Rising Costs and Limited Monitoring

Wicket gates play a vital role in controlling water flow into the turbine, but their health is rarely monitored effectively. Shear pins, crucial for gate operation, often go untracked. Faulty wicket gates can prevent turbines from shutting down properly, leading to unplanned outages or inefficient operations.

Expanding traditional monitoring to individual gates is cost-prohibitive and reactive—it provides little to no early warning of impending failures. Coupled with increased operational cycles due to renewable energy integration, these challenges escalate maintenance costs and equipment downtime, straining the plant’s reliability and budget.

The Solution: Video-Based Vibration Monitoring

Enter ViDeoMAgic, a revolutionary video-based vibration measurement and analysis system that transforms the way hydroelectric plants monitor wicket gates. By leveraging Vision AI and pixel-level vibration sensing, this system provides unparalleled insights into turbine performance and health, all with minimal disruption to operations.

Key Advantages of ViDeoMAgic for Wicket Gate Monitoring

  1. Multi-Gate Monitoring with a Single Camera:
    • ViDeoMAgic uses a NIST-calibrated camera to monitor the vibration and movement of multiple wicket gates simultaneously. Each pixel in the video acts as a vibration sensor, offering a comprehensive view of gate dynamics without the need for individual sensors on each gate.
  2. Rapidly Deployable, Non-Intrusive:
    • Installation is quick and non-invasive, requiring no physical contact with the equipment. This eliminates the need for prolonged downtimes, allowing plants to continue operations during deployment.
  3. Early Anomaly Detection for Predictive Maintenance:
    • By trending gate behavior over time, ViDeoMAgic identifies early warning signs of anomalies, such as irregular gate movements or shear pin stress. These insights enable maintenance teams to prioritize repairs before minor issues escalate into costly failures.
  4. Comprehensive Data for Enhanced Machine Health:
    • Beyond monitoring wicket gates, the system captures critical machine data, including shaft runout, rotational frequencies, and gate passing frequencies. This additional layer of information aids in diagnosing and addressing broader turbine performance issues.

How It Works

ViDeoMAgic uses a high-resolution camera to record turbine operations. Its advanced algorithms process the captured video, translating pixel-level vibrations into meaningful data. This includes displacement time histories, natural frequencies, and mode shapes. Maintenance teams can use this data to:
  • Detect and track anomalous behaviors.
  • Evaluate the impact of increased operational demands on equipment health.
  • Optimize maintenance schedules to minimize unplanned downtime.

Real-World Impact

By integrating ViDeoMAgic into their condition monitoring programs, hydro plants can reduce the time and cost associated with managing distributor mechanisms. Operators gain actionable insights into the health of wicket gates and other critical components, enabling smarter maintenance decisions. This ensures turbines remain operational and flexible to meet the demands of a renewable-powered grid while mitigating the risks of downtime.

Transforming Maintenance with Vision AI

The future of hydroelectric turbine monitoring lies in smart, scalable, and non-invasive solutions like ViDeoMAgic. It empowers operators to monitor multiple assets simultaneously, providing the flexibility and reliability needed in today’s energy landscape.

As renewables continue to grow, the demand for resilient hydroelectric plants will only increase. ViDeoMAgic offers a practical, cost-effective way to meet this demand, ensuring hydro plants remain the backbone of a cleaner, more dynamic energy grid.