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R&D Center

NeXHS Renewables Private Limited Module 4, Seventh Floor – Block B – Phase II, IIT Madras Research Park, Kanagam Road, Taramani, Chennai – 600113, Tamil Nadu, India.

info@nexhs.com

+91 87544 34872

Innovation & Research

NeXHS has a designated R&D Centre with a lush green/ eco-friendly working environment located at IIT Madras Research Park, Chennai, which is the bee-hive of brilliant minds of India and it is also said to be the Home to India’s leading deep-tech start-ups. The office environment helps us to extract the most out of Industry Academia Collaboration – harnessing the expertise of 16 Departments, over 600 Globally acclaimed Faculty, 3,500 Research Scholars, Hitech Laboratories/ testing facilities, Innovation Centres and Students of IIT Madras.

NeXHS run research and development programs partnering with OEMs for standardization of foundations and concrete tower designs for an array of soil and wind conditions

Our Ongoing R&D Concepts

Optimising

Optimizing blade profiles significantly enhances wind turbine efficiency, maximizing energy capture and improving overall performance. This precision engineering minimizes aerodynamic losses, resulting in greater power output and operational stability.

Craneless Tower

Our Craneless Tower Solution streamlines wind turbine erection, significantly reducing construction costs, time, and improving overall efficiency. This innovative approach minimizes crane dependency, ensuring faster, safer, and more reliable installations.

Recycling and Reutilizing

Recycling and repurposing materials to create innovative, eco-friendly, and cost-effective construction solutions. This sustainable approach reduces waste, conserves valuable resources, and promotes environmental responsibility in the building industry.

Craneless Tower Solution

Cost Efficiency

Significantly reduces construction costs by eliminating the need for cranes, lowering labor expenses, and minimizing project timelines.

Enhanced Safety

Improves on-site safety by minimizing heavy machinery usage, reducing potential hazards, and allowing for safer installation procedures.

Increased Flexibility

Allows for installation in challenging locations where crane access may be restricted, making it suitable for diverse terrains and environments.

Autonomous Wind Turbine Inspection & Repair System

NeXHS is developing an AI-enabled autonomous inspection platform for wind turbines that integrates drones, machine learning, non-destructive testing (NDT), and robotic repair systems. The objective is to improve structural inspection accuracy, reduce operational risks, and enable predictive maintenance for wind energy assets

Technology Components

Autonomous Drone Inspection

  • High-resolution aerial inspection of wind turbine blades, towers, and external components.
  • Automated drone navigation for consistent and repeatable turbine inspection coverage.

AI Driven Defect Detection

  • Computer vision models for identifying cracks, coating damage, corrosion, and blade surface defects.
  • Automated defect detection, classification, and severity assessment.

Robotics-Enabled NDT

  • Integration of robotic platforms with non-destructive testing technologies for inspection of wind turbine components.
  • Localized NDT for structural validation of turbine blades, towers, and critical areas.
  • Robotic inspection solutions for complex and hard-to-access turbine locations.

Drone-Assisted Robotic Repair

  • Development of robotic tools for targeted repair of wind turbine blade and structural surface defects.
  • Localized surface treatment and repair of turbine blade damage.

Integrated Workflow

Inspection → AI Defect Detection → NDT Validation → Robotic Repair → Maintenance Report

R&D Objectives
  • Reduce human intervention in high-altitude wind turbine inspection activities.
  • Improve defect detection accuracy through advanced image analysis techniques.
  • Enhance the efficiency and consistency of turbine inspection workflows.
  • Minimize turbine downtime and maintenance costs.
  • Support scalable inspection operations across large onshore and offshore wind farms.
Research Focus
  • Autonomous drone navigation for inspection of utility-scale wind turbine structures
  • Computer vision methods for defect identification in turbine inspection imagery
  • Robotic NDT for structural assessment of turbine components
  • Drone-assisted robotic systems for repair operations on elevated turbine structures

This R&D initiative supports NeXHS’ mission to develop advanced engineering technologies for reliable and cost-optimized renewable energy infrastructure.

Testing of High Strength Non-shrink Grout

Our R&D team is conducting extensive research on grout materials that offer superior strength and dimensional stability compared to existing options. 

This innovative grout is poised to significantly benefit wind turbine generator (WTG) foundations, showcasing enhanced durability and a robust long-term response to damage. The high-strength grout developed in this study is particularly well-suited for offshore wind turbine foundations, exhibiting exceptional early-age strength, fatigue resistance, and fracture toughness, along with excellent workability. 

This groundbreaking project is a collaborative effort with CSIR-SERC in Chennai, leveraging combined expertise to advance the future of sustainable energy infrastructure.

Patents and Publications

01

How to tackle Grout Cracks in WTG Foundation?
Indian Wind Power October-November 2020

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02

Geosynthetic-Encased Granular Columns Subjected to Vertical and Shear Loads
Springer Link - Indian Geotechnical Journal 51, pages 137–153(2021)

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