The new Enertech^® E48 is the ideal wind turbine for smaller wind projects across North America. With a large 48m rotor, just two E48’s can rival the production of larger mW-class turbines.

The E48 is ideal for smaller projects for many reasons. First, it can be installed on crowded sites where mW machines often times can’t. Second, installation costs are generally lower because transport trucks, foundation requirements and installation cranes are smaller. A third advantage is modularity. A 1.2 mW project could be filled by one mW-sized turbine, or two E48’s. With a mW machine, you lose 100% production when the turbine is down for repairs or maintenance, but only 50% by shutting down one E48.

And don’t let the E48’s 600 kW rating fool you. It has an oversized rotor compared to 600 kW turbines of the past. This enables the E48 to produce more kW/hours per year than similar rated models. And kW/hours are what you are paid for.

The E48 is based on the latest technology, with full blade pitch control and our exclusive ASC (Active Stall Control). ASC offers both the advantages of pitch-controlled blades and the stall effect, used by classic stall-regulated wind turbines. Due to the pitch-controlled blades, the rated power level can be tuned precisely, eliminating effects of differences in air density, blade-surface contamination etc. This way, the uncertainties in the rated power level can be avoided.

This guarantees maximum power output for all environmental conditions without overloading the drive train of the turbine. Besides providing power control, the blade pitch system is also used to accelerate the blades from idling to operational speed and bring the rotor back to a safe idling situation in case of a grid loss or any other functional error.

In addition, the E48 has a double speed generator. In wind speeds up to 7 m/s, a 120 kW generator is in operation, assuring better performance in lighter winds, and with higher efficiency. Above 7 m/s, the 600 kW generator is employed. The result is optimum performance and increased production throughout the wind speed range.

This is only a brief summary of the E48’s capabilities. Contact us today and we’ll provide you with more technical details and information on this quality, mid-sized turbine with large-sized production possibilities.

• Installs where larger mW turbines can’t go

• Lower installation costs than mW machines

• Modular Strategy: Spread downtime risks with multiple units

• Large rotor for high kWh production

• Available for projects under 30 mW

• ASC - Active Stall Control; combines aerodynamic stall with blade feathering for full control and increased production

• Designed and engineered by professionals

• All components designed for a service life of at least 20—25 years

• Fail-safe blade feathering in the event of grid loss

• Independent over speed safety systems

• Utility-standard electrical system

• Specially designed soft start for smooth startup

• "Double speed" generator for more efficient operation in low wind speeds, resulting in increased kW/hour production

• Special designed microprocessor controls

• Optional remote control and monitoring via modem link

• In operation since 1998

• Over 70 units in successful operation

• Fully certified by various international organizations