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Case Studies

Case Study: Solving Installation Challenges During COVID-19 Pandemic

NRG is well-versed in navigating global projects, but when COVID-19 brought the world to a halt in March 2020, unforeseen challenges with travel, training, and installation emerged.

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Case Studies

Case Study: Wind Project Developer Prefers Using NRG Complete System Solution

Mexico Power Group is currently developing projects in nine Mexican states, spanning practically every significant wind area that has been identified in Mexico.

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White Papers

Characterization + Classification of the Class 1 Anemometer for IEC 61400‐12‐1 Compliance

This white paper documents the results and supporting work to characterize and classify the Class 1 Anemometer according to the guidelines documented in the DTU Wind Energy Department’s Accuwind reports and the IEC 61400‐12‐1 Standard.

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White Papers

Developing an Ultrasonic Acoustic Bat Deterrent System for the Wind Industry

Wind turbines have been shown to cause direct mortality to bat species, with bat deaths documented at wind energy facilities around the world. Building upon insights from nature and a great deal of previous research, NRG Systems developed its Bat Deterrent System to mitigate the wind industry's impact on bats. This white paper provides an overview of the development of this pioneering solution.

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White Papers

Efficacy of Acoustic Deterrence for Bat Occupancy of Highway Structures

In the following white paper, ICF discusses the use of acoustic deterrence to minimize harm to roosting bats at bridges. The paper covers a series of studies performed by ICF biologists for the Georgia Department of Transportation (GDOT) using NRG Systems’ bat deterrent technology.

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White Papers

Exploring How Attenuation Affects NRG Systems’ Bat Deterrent System

Certain environmental conditions contribute to the loss of sound over distance – a phenomenon known as attenuation – which can impact the effective range of the NRG Systems' Bat Deterrent System.

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White Papers

First European Trial of NRG's Bat Deterrent System Shows Promising Results

In 2019, ENGIE Laborelec conducted the first European trial of NRG’s Bat Deterrent System at a wind plant in Belgium. The promising results are outlined in a white paper available on the company's website.

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White Papers

Post Calibrating the 40C Anemometer in the SOH Wind Engineering (SOH WE) Wind Tunnel

Two procedures – one simplified, one rigorous – are provided in this white paper, defining the process of evaluating SOH WE post-calibrations of 40C Anemometers initially calibrated at Otech.

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White Papers

Power Performance Testing with Stand-Alone WINDCUBE® Lidar

It is well known that the IEC ‐12‐1:2005 methodology requires the use of a hub height meteorological mast to measure the wind conditions upwind of the turbine(s) being tested. In this white paper, it is argued that ground‐based WINDCUBE Lidar technology provides a very similar input for assessing wind turbine performance in simple terrain sites, mimicking the role of an IEC met mast but with a much higher degree of flexibility and at a much lower cost.

<p>Please complete the form below to request access to this white paper. We will email it to you as soon as possible.</p>

<p><em>NRG Systems | 110 Riggs Road, Hinesburg, VT 05461 | +1 802-482-2255</em></p>
White Papers

Summary of Cup Anemometer Classification - WindSensor P2546A-OPR + P2546C-OPR

Danish Technical University (DTU) Wind Energy Department has classified the WindSensor P2546A-OPR anemometer in compliance with the procedures outlined in IEC 61400-12-1:2005 Annex I.

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