FAQ

Polytech offers complete, highly-tested LPS solutions tailored for OEM integration or retrofit, meeting the highest class (LPL1) IEC 61400-24 Ed2 standards and supporting major manufacturers globally.

All systems undergo electrical, environmental, and lifetime testing in line with (and often exceeding) IEC 61400-24 and global certification norms.

Yes, especially for fleet or multisite projects. Each project begins with an engineering assessment for site-specific adaptation.

LKDS® is a robust, real-time monitoring and reporting system that captures critical data for each lightning event (peak current, charge, energy, rise time, time stamp, blade info). Monthly reporting and targeted inspection recommendations are available to support efficient maintenance and minimize downtime.

Yes. The system is ideally suited for retrofit and is now available as a standard kit, making it highly practical for aftermarket upgrades. 

Typically, a main monitoring box is installed in the hub with sensors on each blade’s down conductor. Retrofitting often requires two technician visits for assessment and installation/commissioning.

For most turbine types known to Polytech, installation is straightforward and usually completed within one working day (per turbine). OEM integration is even simpler.

Data is delivered in SCADA-compatible formats, accessible via Polytech Insight™ and standard data files. Meta data files (XML) are readable by common office and text tools; full datasets can be analyzed via Polytech’s Plot Tool or exported by request. 

Yes, including regular status summaries, incident details, and maintenance advice.

Yes, with tools provided and open file compatibility; advanced analysis is possible with the Polytech Plot Tool.

No; besides rare replacements (such as UPS batteries every 6 years), LPS/LKDS are designed for low operational burden.

ELLE® is a DNV-verified polyurethane leading edge protection (LEP) shell system for wind turbine blades, protecting against rain, sand, hail, and UV-driven erosion, and used on >70% of all offshore turbines globally. 

ELLE® Onshore is Polytech’s universal-fit, rapid-install, continuous roll LEP for moderate onshore sites. Its simple installation requires no edge sealing or paint and no special training.

ELLE® is custom-fit for each blade profile and ideal for high/very-high risk (offshore/extreme) situations. ELLE® Onshore is a standard roll solution for most blade types in moderate onshore conditions, optimized for logistics and application speed. 

ELLE® and ELLE® Onshore are engineered for +10 years of field performance at even the harshest sites. ELLE®’s longevity is validated by DNV, and >4 years field use is confirmed in turbines around the world.

No. Leading edge erosion degrades blade efficiency and causes AEP losses—2–5% loss is realistic for eroded blades. ELLE® restores factory-standard aerodynamics, prevents further deterioration, and preserves production for the long term. 

The system is supplied as a complete set, with pressure-sensitive adhesive (PSA) and sealer. No specialist tools or capital equipment are required. Pre-casted shells fit perfectly and are installed quickly in the field or factory.

Work continues to expand the installation weather window, shorten turbine restart delay, and improve sealer formulations and application speed.

ELLE® has been successfully installed on nearly all major topcoats in the wind market and tested for many other top coat applications.

After 4+ years in operation, nothing has fallen off. Extensive field and lab testing show excellent adhesion.

Polytech does not disclose customer names. But we work with almost all OEM’s. 

Globally—onshore and offshore. Track record for ELLE shells is +70,000 blades. We have installed ELLE® Onshore at more than 25 sites across Europe, North and South America, India, Australia etc. and are currently rolling out to multiple OEM and aftermarket clients across the globe. 

LEP sections should be visually inspected during regular blade service. Missing or damaged sections (rare, usually from application error) can be easily replaced.

If a blade geometry is not already available, blade profile measurement must be done (on the ground or uptower). For ELLE® Onshore it is plug and play as it is universal. 

SENACT® is Polytech’s platform for blade monitoring, optimization, and advanced analytics, previously named Blade Monitoring (BMO). 

A rotor blade-based system, certified by DNV, using fiber optics to directly detect blade icing, supporting safe and efficient stop/restart cycles. 

A real-time, sensor-based load monitoring solution that collects, calibrates, and reports blade load and bending moment data for safer operations and proactive maintenance. 

Calibration is needed for accurate readings. SENACT® uses the Autonomous Bending Moment Calibration (ABMC) module, an automated, remote solution that minimizes downtime and costs. 

Yes, the hardware can be upgraded to add new monitoring functions by remote software updates. 

Yes, it is DNV certified and deployed on numerous wind farms internationally. 

To identify (for example) early-stage blade damage from lightning or fatigue, and to provide load history supporting insurance or life extension claims. 

TTP provides complete protection, configurable tracking, logistical management, and asset lifecycle control of wind turbine components during transport and storage, using rugged PUR interfaces, universal frames, and the digital Polytech Insight™ platform. 

With custom-engineered, recyclable PUR interfaces offering high-impact, UV, and thermal resistance, certified to strict industry standards. 

Universal storage frames, exchangeable PUR interfaces, and the Transport Insight Tracker Box for digital monitoring. 

By providing a digital and automated overview. Either as API delivered data or the online platform for real-time fleet tracking, asset status monitoring, digital inspections, and automatic repair/refurbishment workflows. 

All assets are marked with unique QR or RFID codes for easy, verifiable identification and full traceability in the digital ecosystem. 

All PUR interfaces are 100% recyclable, and Polytech promotes circular material use. 

Yes. Polytech engineers tailor both hardware and digital services to individual projects and can offer on-site integration and guidance. 

Every 1-2 years depending on configuration and working environment. It is designed for long-term use with automated battery status reporting to minimize interruptions. 

Tests replicate real-world conditions as closely as possible. If a material or system endures longer in the lab, it is expected to last longer in the field. 

Direct sharing of other customers’ results is not possible, but Polytech can comment on comparative trends if several tests are performed with similar parameters. 

Specimens must follow standard preparation methods to ensure consistent and valid results. 

Yes, Polytech can offer typical test durations based on product type and prior experience. 

Yes, the Test Center helps customers choose the most relevant testing procedures. 

It ensures that testing is performed to internationally recognized standards, providing confidence and global acceptance of test results. 

Both are rain erosion test standards, but they have different procedures, environmental controls, and assessment methods. 

Polytech offers a comprehensive suite of tests, including rain erosion, weathering, salt mist, combined climatic cycles, and more plus a series of tests related to the lightning phenomenon. We offer accredited as well as specialized tests.   

Yes, Polytech frequently performs non-standardized tests on new designs without standard test methods.  

A confidentiality barrier exists between Polytech’s two test centers and the rest of the company. The ordering customer owns all test results, and only employees of the test centers have access to this information. All employees have signed a confidentiality agreement that prohibits them from sharing information outside the test centers. 

Blade Performance Upgrades are a core focus at Polytech, the very foundation of the company since 1994. These solutions are purpose-designed to meet or exceed OEM specifications, ensuring optimal aerodynamic and structural performance and seamless integration into modern wind turbine blades.

We collaborate closely with OEM customers to develop customized, build-to-print solutions tailored to unique blade designs and operational requirements, guaranteeing every upgrade maximizes blade performance and long-term durability.

Polytech uses materials that are rigorously tested for extreme durability and high performance, engineered to endure the full lifetime of wind turbine operation. This dramatically reduces the need for frequent replacements and the risk of unexpected, costly maintenance.

All upgrade solutions undergo extensive laboratory and field testing (material and functional) to ensure they deliver robust, long-term value under real-life operating conditions.

BPUs are typically developed in close partnership with OEMs for specific projects. Solutions are customized and build-to-print rather than generic aftermarket products. 

The Bend Stiffener Latching Mechanism allows 100% automatic connection/release (subject to setup), requires no bespoke male/receptacle to attach to standard flange or bellmouth, contains no moving parts, and is unaffected by marine growth; it sharply reduces installation costs and risks. 

Custom simulation and modeling to determine electrical potential, stray current distribution, and optimize electrode siting and safety. 

Yes, all solutions are standardized for project scalability, tested to international standards, and can be tailored for project-specific requirements. 

Yes, Polytech project teams provide full technical guidance, customization, and installation support.