Grid access of Wind Farms - Siemens Energy Sector€¦ · · 2008-05-07Grid Access of Wind Farms...
Transcript of Grid access of Wind Farms - Siemens Energy Sector€¦ · · 2008-05-07Grid Access of Wind Farms...
Grid access of Wind FarmsFocus on Offshore
Life Needs Power 2008VDE and ZVEIHannover Fair21. April 2008
Page 9 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Development Wind Power Generation in Germany
GermanWind Power Plants1990
Wind Turbine/ Wind Farm Sites
Page 10 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
GermanWind Power Plants1995
Wind Turbine/ Wind Farm Sites
Development Wind Power Generation in Germany
Page 11 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
GermanWind Power Plants2000
Wind Turbine/ Wind Farm Sites
Development Wind Power Generation in Germany
Page 12 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
18,428 MWInstalled capacity
GermanWind Power PlantsDecember 2005
Wind Turbine/ Wind Farm Sites
Development Wind Power Generation in Germany
Page 16 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Utilization of Wind Energy
330 kW
Rotor33m
900 kW
Rotor44m
2000 kW
Rotor82m
3600 kW
Rotor107m
5000 kW
Rotor126m
10 kW
Rotor11m
1957
Page 19 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Market Development
World Wide Installed Wind Power Generation in Dec. 200793,881 MW (ref. GWEC)
Germany 22,247 MW (1)U.S.A. 16,971 MW (3) Spain 15,145 MW (2)India 7,844 MW (4)China 5,906 MW (6)Denmark 3,124 MW (5)Italy 2,726 MW (7)U.K. 2,425 MW (8)France 2,370 MW Canada 1,846 MW
In 2007:Growth ~25% (~30% in 2006)Total Investment >EUR 22“
Too much Wind?
Page 20 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Electrical Configuration of a Windpark
G
Feeder 2
0,69/36 kV
36 kV
Netz
150/36 kV
Feeder n
0,69/36 kV
G
Gear box Gear box
Page 22 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Grid Access of Wind FarmsMain Aspects
Studies
Engineering
Procurement
Construction
Training &Maintenance
Cable and Laying
Civil Works
Road Works
Platform construction
Project Financing
AIS, HIS, GIS
FACTS, HVDC
MV Switch Gear
Transformer
Control, Communication
and Protection
Technology
Service
Partnership
Page 23 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Turnkey Responsibilityfrom Studies to Commercial Operation
Procurement, Transport, ErectionCommissioning
Commercial Operation
System and Design Studies
538 m538 m
538 m538 m
538 m538 m
538 m538 m
538 m
73 A219 A
8010
m
219 A219 A
219 A438 A
438 A
657 A
Page 24 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Offshore Windpark
Economic wind park network and grid connection;
Flow studies and short circuit calculations, as well as system grounding concept and perform insulation coordination;
Static and dynamic performance - reactive power compensation;
Resonance behaviors driven by the power grid, cables, transformers, reactors, capacitor banks, wind turbines and SVC;
Prove the conformity with the GRID CODE;
Protection, control (SCADA) and communication system;
Evaluate the overall losses for various scenarios.
Page 27 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
System and Design Studies
Substation
Substation MV
G_15
G_05
G_25
G_35
. . .G_01
G_10. . .G_06
G_20
G_40
G_30
G_55
G_45
G_65
G_75
G_50
G_60
G_80
G_70
G_15
G_05
G_25
G_35
. . .G_01
G_10. . .G_06
G_20
G_40
G_30
MV
Page 28 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
System and Design StudiesComplex Modeling of a Number of Wind Farms
Page 29 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Grid Access of Offshore Windparks -the Technology
G~
G~
G~
G~ G~ G~G~
G~
G~
Page 31 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Cable
Up to 1.000 kVUp to 2.500 mm2
Up to 230 kVUp to 1.200 mm2
Up to 230 kVUp to 2.500 mm2
Isolation: Oil impregnated Paper (low viscosity)
Isolation: ExtrudedXLPE
Page 32 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Cable
Up to 500 kVUp to 2.500 mm2
Up to 300 kVUp to 2.000 mm2
Up to 600 kVUp to 2.500 mm2
Isolation: ExtrudedPolyethylenkompound
Isolation: Oil impregnated Paper (high viscosity)
Isolation: Oil impregnated Paper (high viscosity)
Page 33 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Cable
Rotating disk contactor for 7.000 t
Guilio Verne
Page 39 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Components: Auxiliary Transformer,Control & Protection
Page 40 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Substation for Grid Access: HIS & Transformer
Page 41 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Substation for Grid Access: HIS & Transformer
Solutions for Wind Energy
Page 42 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Substation for Grid Access: HIS & Transformer
Page 43 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
WindparkTechnical Challenges
Power Grid:2001, Workingday
System Voltage:400 kV 220 kV
Outage
170 MW1,130 MW2,160 MW2,700 MW
≤ 40 %≤ 50 %≤ 60 %≤ 70 %
Voltage
Loss of 2,700 MW Wind-Energy Generation High Voltage Drop - Blackout
1 puVoltage
Page 44 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
44 06-2007 Power Transmission and DistributionPTD H 1 MT/Re
Major Grid Failure *
AC Voltages stabilized
* Remote Fault (110 km)
cap.
ind.
Windpark and SVC
Page 47 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Offshore Windpark (OWP)Grid Access Concept – Future Perspectives
Offshore AC Busbar and Converter Platform
Converter Station Onshore and access to the Transmission Grid
DC Sea- and Onshore Cable
AC-Sea Cable to the OWP
OWP
Page 48 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Offshore Windpark and HVDCPerspectives
AC L1
AC L2
AC L3
AC L1
AC L2
AC L3
+200kV DC
-200kV DC
Page 49 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Power electronic devices: GTO /IGCT IGBT in PP IGBT Module
Topology of VSC: Two level Three Level Multi Level
ϑ
Vac
ϑ
Vac
ϑ
Vd
2
Vd
2
Vac
ϑ
Vd
2
Vd
2
Vac
ϑ
Vd
2
Vd
2
Vac
ϑ
Vd
2
Vd
2
Vac
Vac
+
Vd2
–
Vd2 Vac
+
Vd2
–
Vd2
M
+
–
Vd
2
Vd
2Vac
M
+
–
Vd
2
Vd
2Vac
HVDC VSC - Technology
Page 51 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Design WorksLayout of an Offshore Platform
Page 55 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
Offshore Windpark: Erection / Construction
Page 65 March 2008 Energy TransmissionPTD H 1M3 / H.Gangl
110 MW Offshore Windpark Lillgrund / Sweden
Bunkeflo 132 kV
Lillgrund110 MW
48x 2.3 MW