innovative concepts for efficient electrical distribution grids torsten hammerschmidt, project...
TRANSCRIPT
Innovative Concepts for Efficient Electrical Distribution Grids
Torsten Hammerschmidt,Project Manager
RWE Deutschland AGEssen, Germany
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
The Project: Grids for Future Electricity Suppy
Project Consortium
Project Leader RWE Deutschland AG
Timeline July 2009 – June 2011
Identification of Efficient Distribution Grid Concepts
Further Development of Evaluation Methods Further Development of Equipment Realisation of a Demonstration Grid
Objective
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
0
10
20
30
40
50
60
70
2000 2003 2006 2009 2012 2015 2018 2021 2024 2027 2030
Wind offshore
Wind onshore
Solar power
GW
+ 21 GW / 10 aWind Power in the Past
+ 33 GW / 10 aSolar Power in the Future
Photovoltaics will Exceed Growth Rates of Wind Power in Germany
Demonstration Grid Area:130 km² Covered Area4,100 Inhabitants1,900 Service Connections6.0 MW Ren. Generation2.5 MW Max. Load
Source: BMU Pilot Study (Dec 2010)
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Smart Grid Demonstration in a Rural German Area
Use of Information- and Communication Technology (ICT)
1
2
3
4
Disposition of Storage Devices
Local Voltage Control to exploit Grid Transportation Capacity
Hierachical Supply Layers in Medium Voltage Level
- Reconstitution of Grid Observability under high Ren. Generation- Wide Area Control
- Biogas Storage in Coordination with PV Generation works as a Virtual Electricity Storage
- Inside Medium Voltage Grid, at Substations and Service Connections
- Strong Cable Line with Electronic Sectionalizers
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Local Voltage Control to exploit Grid Capacity
12.20 m
Grid
LoadS=8 MVAP=7.2 MW
Q=3.5 Mvarcosφ=0.9
AC / DC /AC
P=7.4 MWQ=3.2 Mvar
P=0.7 MWQ=0.3 Mvar
P=6.5 MWQ=3.2 Mvar
P=0.9 MWQ=0.0 Mvar
ΔU = 20%
SVoltage-Regulation=0.8 MVA(approx. 10% throughput load)
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Medium Voltage
3 ~
Fermenter
BiogasStorage
3 ~
Source:Ceno Tec
3.0 MWhel
PV
AC
DC
Biogas Storage in Coordination with Photovoltaics Generationworks as a Virtual Electricity Storage
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Thank you for your Attention
Photovoltaics Windpower
Biogas Generation
Authors:• Torsten Hammerschmidt, RWE Deutschland, Essen• Dr. Thorsten Borchard, ABB, Mannheim• Dr. Jörg Feldmann, Consentec, Aachen• Dr. Astrid Petermann, RWE Rhein-Ruhr Netzservice GmbH, Siegen• Prof. Dr. Christian Rehtanz, TU Dortmund
www.zukunftsnetze.de
Biogas Storage(Under Construction)
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Backup
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Innovative Concepts help to Reduce the Increase in Grid Cost
Max. Load:Generation:Grid Length:
135 MW110 MW2,070 km
Max. Load:Generation:Grid Length:
120 MW210 MW2,060 km
Lines Continuedto Use:1,800 km
New Lines:260 km
Dispensable Lines:270 km
50 % RegulatedSubstations
18 % exceeding grid
2010 2030