How does it work ? Higher altitude wind The company 30

WIND ENERGY 2.0
The company
Mechanical energy is generated by flying controlled cycles A and B
with Twings and transformed into electrical energy in a ground based
generator.
TwingTec develops and produces innovative wind energy
technology using tethered wings, or Twings.
The first product of TwingTec is the TT50, the first mobile 50 kW
renewable energy system.
Higher altitude wind
How does it work ?
150
Wind
Retraction phase
B
Low cost of energy
A
50
- Low investment and installation cost
- Efficient energy production
- More economical sites
Minimal environmental impact
- Minimal visibility and noise
- Saves 90% of the material of a comparable wind turbine
Operation altitude of TT50
Average wind speed
Wind power density
+ 45 %
+ 200 %
Wind
turbine
TT50
Wind
turbine
TT50
Power phase
More economical sites
0
A
Power phase: The Twing flies crosswind loops, and
pulls on the tethers that spin the drum. The generator
connected to the drum produces electrical power.
B
Retraction phase: Having reached a threshold altitude, the
Twing is depowered and reeled in with minimal energy. A
new power phase can then start.
Mobile renewable energy
- Compact system
- Transportable on a trailer
Typical hub height of a 50 kW wind turbine
100
Altitude [m]
Why Twing power?
30 m
150 m
Economical sites for a 50 kW wind
turbine in Switzerland
Economical sites for the TT50 in
Switzerland
Comparison
Product: the TT50
50
kW
180’000
kWh per year 1
45
Solar PV
Households
Partners
Wind
Turbine
Diesel
Generator
TT50
Twing
Power 2
Tethers
System size 3
Weight
Generator
Efficient Twing
- High power per wing area
- Access to higher wind
Generator
on the ground
- Easy maintenance
No tower
- 90% material saving compared
to wind turbine
- Easy transport
- Minimal environmental impact
No foundation
Autonomous
operation
No CO2
emission
Eligible for
Feed-in Tariff
Mobile
- Fast installation
- Transportable
2 Required installed power for equivalent annual energy production
1 Based on simulated results
3 Photovoltaic surface vs. Rotor area vs. Twing area
Contact
Applications and customers
Farmers Resorts Industries Communities
On-grid
- Energy cost savings
- Additional revenue through feed-in tariffs
Off-grid
- Energy cost savings for fuel generator users
- Only portable renewable energy system with
competitive cost of energy
Example: Developing countries with no established grid
TwingTec AG
c/o Empa
Überlandstrasse 129
CH-8600 Dübendorf
Switzerland
Dr. Rolf Luchsinger
Managing Director
[email protected]
+41 58 765 40 90
www.twingtec.ch