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