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Wind Energy – Problems and Solutions for the modern electrical
energy systems
Andrey Nikishin (Russia)
Presentation from Tino and George
Structure
1. Introduction with market analysis
2. How does a wind turbine work
3. Energy systems
4. Power system and Generators
Annual installed power
EU Germany
0
3.000
6.000
9.000
12.000
2001 2003 2005 2007 2009 2011 2013
0,00
3,25
6,50
9,75
13,00
2000 2002 2004 2006 2008 2010 2012 2014
Manufactures
65,1%
20,5%
6,6%
5,0%
0,9% 0,7% 0,5%
0% 0% 0% 0%
Siemens
MHI Vestas
Senvion
BARD
Areva
WinWind
Other
GE
Samsung
Gamesa
Alstrom
Current Wind Turbines 2014 (Germany)
• Double fed induction
asynchronus generator
• Permanent magnet
synchronus generator
Current Wind Turbines 2014 (Germany)
• Synchronus ring generator
• Double fed induction
asynchronus generator
Wind Turbine
Power systems
• Ultra high voltage power supply system with 220 ore 380 kV, for Offshore-Windparks, nuclear power station ore big coal power plant
• High Voltage power supply system with 60 ore 110 kV, for gas-, coal-, water power plants and windparks, used from industriell bulk purchaser
• Medium voltage power supply system with 3 to 30 kV, for Windturbines, CHp´s, biomass- and solarpower plants, used from industriell and commercial custumer
• Low voltage power supply system with 230 ore 400 Voltage – City power supply system, for little solar systems, industriell and commercial costumer and the public
Generation
Transmission (Germany)
Low voltage power supply
system – 1.156.800 km
Medium voltage power
supply system –
509.900km
High Voltage power
supply system –
96.300km
Ultra high voltage power
supply system –
35.000km
Consumption
Load curve
Resumé