A5025908147- Wind Energy Research and Development
- Wind and Air Flow Studies
- Microgrid Control and Optimization
- Smart Grid Energy Management
- Structural Health Monitoring Techniques
- Remote Sensing and LiDAR Applications
- Spacecraft Design and Technology
- Aerospace Engineering and Energy Systems
- Smart Grid Security and Resilience
- Social Acceptance of Renewable Energy
- Offshore Engineering and Technologies
- Marine and Offshore Engineering Studies
- Energy Load and Power Forecasting
- Turbomachinery Performance and Optimization
- Fluid Dynamics and Vibration Analysis
- Mechanical and Thermal Properties Analysis
- Optical measurement and interference techniques
- Fiber-reinforced polymer composites
- Power System Optimization and Stability
- Spacecraft Dynamics and Control
- Cellular and Composite Structures
- Optimal Power Flow Distribution
- Computational Physics and Python Applications
- Structural Analysis and Optimization
- Icing and De-icing Technologies
Sandia National Laboratories California
2015-2022
Sandia National Laboratories
2014-2022
IBM (United Kingdom)
2022
University of California, Santa Barbara
2003-2007
High-resolution lidar wake measurements are part of an ongoing field campaign being conducted at the Scaled Wind Farm Technology facility by Sandia National Laboratories and Renewable Energy Laboratory using a customized scanning from Technical University Denmark. One primary objectives is to collect experimental data improve predictive capability wind plant computational models represent response turbine varying inflow conditions operating states. The present work summarizes setup...
In the past decade wind energy installations have increased exponentially driven by reducing cost from technology innovation and favorable governmental policy. Modern turbines are highly efficient, capturing close to theoretical limit of available in rotor diameter. Therefore, continue reduce through a broadening scope individual complex interaction within farm is needed. Some estimates show that 10 40% lost due underperformance turbine-turbine interaction. The US Department Energy has...
This paper describes a detailed field-test campaign to investigate yaw-based wake steering. In steering, an upstream turbine intentionally misaligns its yaw with respect the inflow deflect away from downstream turbine, goal of increasing total power production. first phase, nacelle-mounted scanning lidar was used verify deflection misaligned and calibrate models. second these models were within controller achieve desired deflection.
Abstract Technology development and design decisions in wind energy are often based on results from simulations performed for individual turbines or entire plants. It is therefore critical to ensure that the models being used research industry applications be thoroughly validated against measurements. A full-system validation of plant must consider atmospheric inflow, response turbines, their wakes. This task complicated by lack freely available, quality-controlled, high-quality Here, such...
Sandia National Laboratories and the Renewable Energy Laboratory conducted a wake-steering field campaign at Scaled Wind Farm Technology facility. The included use of two highly instrumented V27 wind turbines, an upstream met tower, high-resolution wake measurements turbine using customized scanning lidar from Technical University Denmark (DTU). present work investigates impact on downstream power blade loads as swept across rotor in various waked conditions. position was tracked DTU...
Toroids comprised of silica‐coated 10 nm diameter nickel–zinc (Ni–Fe) ferrite nanoparticles (Ni 0.5 Zn Fe 2 O 4 ) have been fabricated by careful control both the coating process and subsequent densification viscous sintering. A narrow processing window is identified between a maximum temperature at which coarsen, losing their super‐paramagnetic properties, lower required for flow densification. Key to successful fabrication was drying cold isostatic pressing nanoparticles; other routes...
This paper investigates the ability of a Type-4 wind turbine generator (WTG) to provide frequency regulation and damping support in an isolated microgrid. The selected system has set diesel generators comparatively large WTG that define its dynamics. is representation grid serves community St. Mary's, Alaska. In this system, loss single can generate oscillations be worsened by use traditional droop control for regulation. work characterizes using probing technique coupled with identification...
Remote communities are increasingly adopting renewable energy, such as wind, they transition away from diesel energy generation. It is important to understand the benefits and costs of wind isolated systems so that decision-makers can optimize their choices in these communities. There few examples valuation a distributed resource numerous differences approaches, especially inclusion environmental economic impacts. We apply framework calculate St. Mary’s, Alaska, local electric cooperative...
Abstract The American Wind Energy Association (AWEA), as a standards development organization, sponsored the of recommended practices (RP) for offshore wind turbine facilities and published its RP report in 2012. challenges faced by emerging energy industry parallel many that were oil gas infancy. These are documented addressed AWEA described this paper. paper discusses how more mature Petroleum Institute interfaced with International Electrotechnical Commission other to provide guidance...
As renewable energy sources are becoming more dominant in electric grids, particularly micro new approaches for designing, operating, and controlling these systems required. The integration of devices such as photovoltaics wind turbines require system design considerations to mitigate potential power quality issues caused by highly variable generation. Power simulations play an important role understanding stability performance electrical systems. This paper discusses the modeling Global...
The rapid adoption of Software Defined Networking (SDN) and Network Function Virtualization (NFV) in 5G telecommunication networks has made network slicing possible, where different customers with varying requirements latency, bandwidth, reliability quality service can co-exist isolated virtual on the same infrastructure. To enable rapid, reliable scalable management orchestration (MANO) these slices, there is a need for embedding intelligence optimization into all aspects lifecycle...
response of the inverter is much faster than synchronous condenser. In a system with multiple DEs performing local voltage regulation, interaction between studied. The simulation results show relationship voltages in and reactive power required for regulation. Also, integrated regulation (multiple regulation) can increase capability reduce capital operating costs.