1.2 m/s
Cut-in wind speed
Against the 3-5 m/s threshold of conventional HAWTs
Distributed renewable energy system
Smart vertical-axis wind turbine.
The Wind Driver VAWT Smart vertical-axis wind turbine delivers distributed renewable energy generation with wind-direction-independent energy harvesting and a 1.2 m/s (4.3 km/h) cut-in speed - combinable with photovoltaic hybrid systems across a 1-10 kW rated output range.
Three application advantages. One turbine.
- 01
Urban and rooftop installation
A measured sound pressure level below 10 dB - well under every European urban noise standard reference threshold. The turbine is suitable for rooftop, industrial, public-space and residential installations.
- 02
Low maintenance requirement
No gearbox, no external braking system. The low, 80-100 rpm rated rotational speed reduces mechanical fatigue of components - maintenance requirements are a fraction of those for conventional turbines.
- 03
Verified return on investment
On-site generation supports a 3-5 year payback period; the 20-year design lifecycle and standard 2-year warranty ensure long-term predictability of the annual electricity balance.
Verified performance data
<10 dB
Sound pressure level
Below all European noise standard reference thresholds
20 years
Design lifecycle
Standard 2-year warranty
96 %
Generator efficiency
Permanent magnet generator
Technical characteristics
Nine engineering properties. One turbine.
Wind-direction-independent energy harvesting
The vertical axis provides 360° yaw-independent operation. Turbulent, multidirectional, upward-flowing and extremely low-speed airflows are harvested with equal aerodynamic efficiency, with no yaw system required.
Exceptionally low cut-in wind speed
1.2 m/s (4.3 km/h) cut-in wind speed - where conventional horizontal-axis turbines remain inactive, the Wind Driver VAWT is already operating at rated output. In urban, rooftop and low average wind-speed locations, this delivers materially more annual generation hours.
Passive aerodynamic speed regulation
Helical blading passively limits rotational speed through aerodynamic forces at high wind speeds; the rated operating value is 80-100 rpm. Overspeed and mechanical overloading of components are prevented without forced braking or forced shutdown.
Sound pressure level
Below 10 dB sound pressure level - equivalent to a silent natural background, well under all European urban noise standard thresholds. Suitable for installation in urban districts, on rooftops and near residential buildings.
Electrical grid integration
Direct-drive permanent magnet generator (electromechanical efficiency 96%); the generated alternating voltage is converted to DC by a rectifier stage, with output ranging from 24 V to 380 V DC depending on the model. A grid inverter converts this to AC for network injection.
Industry 4.0 intelligent control
Maximum Power Point Tracking (MPPT) algorithm with continuous load and wind-speed optimisation; integrates with building energy management systems and SCADA platforms via standard industrial protocols and wireless interfaces.
Installation flexibility
Rooftop and ground-level mounting; available as a containerised self-deploying portable unit compliant with road transport standards. Applicable to urban, industrial and agricultural sites.
Low environmental impact
The 80-100 rpm rated rotational speed minimises avian and fauna disturbance risk, reduces mechanical fatigue of components and vibration-induced structural loading, extending the turbine's service life.
Verified durability
-20 °C to +60 °C operating temperature range. In line with the minimum statutory conformity guarantee under Directive 2019/771/EU on the sale of goods; 2-year mechanical warranty.
Operating principle
How does it work?
The aerodynamics of the vertical-axis rotor, passive speed regulation, photovoltaic hybrid integration and intelligent energy management together ensure maximum annual capacity utilisation across variable operating conditions.
- 01 Wind energy harvesting
The rotor blades of the vertical-axis turbine harvest the kinetic energy of wind independently of wind direction. Start-up is automatic at the 1.2 m/s (4.3 km/h) cut-in wind speed - without a yaw system or wind-tracking mechanism, under any wind condition.
- 02 Passive aerodynamic self-regulation
Helical blading passively limits rotational speed through aerodynamic forces at high wind speeds. This mechanism independently prevents overspeed - without forced braking or forced shutdown, preserving continuity of electrical output.
- 03 Electrical power generation
The direct-drive permanent magnet generator produces alternating voltage, which a rectifier stage converts to DC. The DC output voltage ranges from 24 V to 380 V depending on the model; a grid inverter converts this to AC for network injection.
- 04 Photovoltaic hybrid integration
The photovoltaic and wind energy generation profiles are temporally complementary - their combination achieves significantly higher annual capacity utilisation than either source individually. The intelligent control unit coordinates power distribution between the two in real time.
- 05 Energy storage and grid flexibility
The battery system stores the production surplus exceeding instantaneous consumption demand; off-grid configuration provides up to 2-3 days of energy self-sufficiency. In on-grid mode, the surplus is fed back into the electricity network via a grid inverter.
- 06 Intelligent system monitoring
The control unit monitors generator output, rotor system operating condition, battery state of charge and grid connection parameters in real time. Automated fault detection and a multi-level alarm system enable immediate technical intervention.
Technical datasheet
Wind Driver VAWT - performance data
- Model variants
- WD-M1 · WD-M3 · WD-M5 · WD-M10
- Measured (rated) output power
- 1 / 3 / 5 / 10 kW
- Maximum output power
- 1.1 / 3.5 / 6 / 12 kW
- DC output voltage
- 24-48 V · 48 V · 48-380 V · 48-380 V
- Model-dependent configuration
- Blade height
- 1 / 1 / 1.4 / 2.08 m
- WD-M1 / M3 / M5 / M10
- Rotor diameter
- 0.7 / 0.8 / 1.2 / 2 m
- WD-M1 / M3 / M5 / M10
- Turbine weight
- 32 / 52 / 78 / 110 kg
- WD-M1 / M3 / M5 / M10
- Cut-in wind speed
- 1.2 m/s (4.3 km/h)
- Nominal wind speed
- 10 m/s (36 km/h)
- Maximum wind speed
- 45 m/s (162 km/h)
- Rated rotational speed
- 80-100 rpm
- Passive aerodynamic regulation
- Sound pressure level
- <10 dB
- Generator type
- Direct-drive permanent magnet generator
- Electromechanical efficiency
- 96%
- Operating temperature range
- -20 °C to +60 °C
- Grid connection
- On-grid or off-grid
- Via inverter unit
- Design lifecycle
- 20 years
- Warranty
- Standard 2 years
- Product standards
- CE · ISO 9001:2015 · ISO 14001:2015 · ISO 45001:2018 · ISO 10002:2018 · ISO 50001:2018
Parameter Specification Notes
Power range
Physical characteristics
Aerodynamic parameters
Generator
Operating conditions
Warranty and service life
Certifications
Independent verification 
Certifications and regulatory compliance
CE marking
Conformity with the EU Machinery Directive (2006/42/EC) and the Electromagnetic Compatibility Directive (2014/30/EU), independently assessed and declared.
ISO 9001:2015 · ISO 14001:2015
Quality Management System (ISO 9001:2015) and Environmental Management System (ISO 14001:2015) - accredited certification covering the complete manufacturing process.
ISO 45001:2018 · ISO 50001:2018
Occupational Health and Safety Management System (ISO 45001:2018) and Energy Management System (ISO 50001:2018) - accredited conformity assessment.
ISO 10002:2018
Quality management - customer satisfaction. Accredited certification covering the systematic management of customer-oriented complaint-handling processes.