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Transcript of Jerker Roos, HVDC/MP, ExpoPower, 2010-05-19 HVDC …FILE/...Jerker+Roos+_ENG.pdf · © ABB Group...
© ABB Group May 28, 2010 | Slide 1
HVDC Light Wind farm connection by DC
Jerker Roos, HVDC/MP, ExpoPower, 2010-05-19
© ABB Group May 28, 2010 | Slide 2
Agenda
HVDC lead center
General introduction HVDC Light (VSC technology)
HVDC Light reference projects
HVDC Light – integrating offshore renewable energy
Project film
DC grids
© ABB Group May 28, 2010 | Slide 3
Power Systems in Sweden
Karlskrona
LudvikaVästerås
© ABB Group May 28, 2010 | Slide 4
Welcome to ABB in Ludvika A world center of high voltage
© ABB Group May 28, 2010 | Slide 5
ABB’s operations in Ludvika
ABB and world center for power technologies
Products and systems for transmission of electricity over long and short distances
Research and development
Approx. 2,500 employees
Access to two world class laboratories and two unique test halls
More than 100 years of experience
All within the same geographical area
© ABB Group May 28, 2010 | Slide 6
Agenda
HVDC lead center
General introduction HVDC Light (VSC technology)
HVDC Light reference projects
HVDC Light – integrating offshore renewable energy
Project film
DC grids
© ABB Group May 28, 2010 | Slide 7
Market drivers for HVDC transmission Environmentally friendly grid expansion
Integration of renewable energy Remote hydro Offshore wind Solar power
Grid reinforcement For increased trading Share spinning reserves To support intermittent renewable energy
© ABB Group May 28, 2010 | Slide 8
HVDC Technologies HVDC Light
150 m x 100 m
Voltage source converters Self-commutated IGBT valves Requires no reactive power compensation (15% HF) Standard transformers No minimum short circuit capacity, black start
© ABB Group May 28, 2010 | Slide 9
HVDC Light Improved grid reliability
System with converters and cables Embedded link incl. SVC functionality Easier permit procedure - low project risk Short installation and implementation time Low operation and maintenance cost
Grid improvement Voltage and reactive power control Loss reduction in connected AC network Increased transfer capability in AC lines Connection in weak network points Passive load operation (Black Start)
Environmentally adapted Short permitting time Small footprint and low profile of converters Oil free cable Reduced magnetic fields “Invisible” transmission
© ABB Group May 28, 2010 | Slide 10
HVDC Light Extended range
Base – symmetrical 617 1233 1850
Udc A dc A dc A dc
+/- 80 kV 99 197 296
+/- 150 kV 185 370 555
+/- 320 kV 395 789 1184
Cable or OH line
Bipolar 617 1233 1850
Udc1 Udc2 A dc A dc A dc
160 160 kV 197 395 592
320 320 kV 395 789 1184
500 500 kV 617 1233 1600
640 640 kV 789 1579 2368
Extruded Cable Mass Impregnated OH line
Power in MW (BtB)
Power in MW (BtB)
© ABB Group May 28, 2010 | Slide 11
Agenda
HVDC lead center
General introduction HVDC Light (VSC technology)
HVDC Light reference projects
HVDC Light – integrating offshore renewable energy
Project film
DC grids
© ABB Group May 28, 2010 | Slide 12
Project references HVDC Light and SVC Light technology
Murraylink 2002, 220 MW
Directlink 2000, 3X60 MW
Gotland1999, 50 MW
Tjäreborg 2000,7 MW
Estlink2006, 350 MW
Troll 2004 2X40 MW
Eagle Pass 2000, 36 MW
Holly 2004, ±95 MVAT
Cross Sound 2002, 330 MW
Ameristeel 2006, ±32 MVAr
Evron2003, ±16 MVAr
Mosel 2000, ±38 MVAr
Hagfors1999, ±22 MVA
NordE.ON 12009, 400 MW
Polarit 2003, 164 MVA
Valhall 2009 75 MW
Martham2009, ±0.6 MVAr
Mesnay2009, ±15 MVAr
Liepajas 2009, ±164 MVAr
Siam Yamoto2009, ±120 MVAr
Caprivi link2009, 300 MW
ZPSS 2006, ±82 MVAr
HVDC Light
SVC Light
Hellsjön1997, 3 MW
EWIP 2012 500 MW
© ABB Group May 28, 2010 | Slide 13
Gotland HVDC Light®
Sweden
Customer’s need Connect wind power on the southern tip of
Gotland to the Gotland main grid, and to improve power quality
ABB’s response Turnkey 50 MW 80 kV HVDC Light® system
Customer’s benefits The HVDC Light® underground cable
technology made it easy to obtain permits for the new link
The superb controllability of HVDC Light®
also contributes to improve the voltage stability of the entire AC network
Customer: GEAB
Year of commissioning: 1999 Bäcks
Näs
© ABB Group May 28, 2010 | Slide 14
Troll A Precompression project Norway
Customer’s need
Enable power supply from mainland to platform to minimize emission of large amounts of CO2 and unnecessarily high fuel consumption
ABB’s response
Turnkey 2x40 MW ±60 kV HVDC Light®
offshore transmission system
Customer’s benefits
With electric power supplied from shore, for power supply as well as compressor drivers, CO2 emissions from offshore installations are eliminated
Customer: Statoil
Year of commissioning: 2005
© ABB Group May 28, 2010 | Slide 15
Estlink HVDC Light®
Finland - Estonia
Customer’s need Create a common open electricity market in
the enlarged European Union
ABB’s response Turnkey 350 MW HVDC Light® transmission
system
Customer’s benefits Environmentally adapted to sensitive coastal
region by compact converters and totally under sea/ground system
Increased security of supply and loss reduction in existing network through voltage and VAR control
Delivery time: 19 months!
Customer: Nordic Energy Link AS
Year of commissioning: 2006
© ABB Group May 28, 2010 | Slide 16
Valhall Norway
Customer’s need Expansion increases need for power
Alternatives Gas turbines on platform Supply from land - 310 km. Only possible
with DC transmissionABB response HVDC Light system – 150 kV, 78 MW
Customer’s benefits Compact and low weight design reduces
investments on platform Reliable power supply Reduced CO2 emissions Reduced operation and maintenance cost
Valhall
Lista
Customer: BP
Year of commissioning: 2009
© ABB Group May 28, 2010 | Slide 17
East West Interconnector Ireland – Wales, UK
Customer’s need
Connect the grids of Ireland and Wales to enable power trade
ABB’s response
Turnkey 500 MW HVDC Light®
186 km sea cable + 70 km land cable
First HVDC Light® with ±200 kV cables
Customer’s benefits
Security of supply
“Black start"
Active AC voltage support
Customer: EirGrid
Year of commissioning: 2012
© ABB Group May 28, 2010 | Slide 18
Agenda
HVDC lead center
General introduction HVDC Light (VSC technology)
HVDC Light reference projects
HVDC Light – integrating offshore renewable energy
Project film
DC grids
© ABB Group May 28, 2010 | Slide 19
Offshore Wind Power Connectors ABB Offerings
System studies including grid code compliance solutions and advise on connection to onshore main grid
Offshore and onshore AC or DC stations including buildings and platforms (HVDC for longer distances – large wind farms)
HV-Cables including land and subsea cable laying
Reactive compensation systems (FACTS)
Protection and Controls systems (SCADA)
Training and advise on operation Maintenance contracts
© ABB Group May 28, 2010 | Slide 20
Offshore Wind Power Connectors Experience - Both AC and DC wind references
Nysted sea cable Denmark 2003 54 km 36 kV AC sea
Horns Rev land cable Denmark 2001 106 km 150 kV ACBurbo Bank sea cable Great Britain 2006 40 km 36 kV AC
Q7 sea cable Netherlands 2006 46 km 24 kV AC 28,5 km 170 kV AC
Gotland land cable Sweden 1999 2x70km +/-150 kV DC
Yttre Stengrund Sweden 2000 8 km 24 kV AC 4,5 km 24 kV AC
Utgrunden sea cable Sweden 2000 11 km 24 kV AC
Lillgrund Sweden 2006 20 km 36 kV AC 7,5 km 145 kV AC 6 km 145 kV AC
Enertrag land cable Germany 2002/2004 76 km 110 kV AC
Röd Sand 2 land cable Denmark 2007 9,5 km 145 kV AC
Thornton Bank sea cable Belgium 2007 38 km 150 kV AC 4,3 km 33 kV AC
BorWin 1 Germany 2009 117x2 km 150 kV DC 75x2 km 150 kV DC 1 km AC
© ABB Group May 28, 2010 | Slide 21
BorWin1 The first HVDC project to connect offshore wind
Customer transpower offshore gmbh , Germany
Customer’s need Connection of 400 MW from offshore wind farm to
the German transmission grid 125 km distance to coast 75 km from coast to connection point Delivery within two years - in operation end of 2009 Robust grid connection
Customer’s benefits Environmentally friendly power transport
Reduce CO2 emissions by nearly 1.5 million tons per year by replacing fossil-fuel generation
Supports wind power development in Germany
© ABB Group May 28, 2010 | Slide 22
BorWin1 The first HVDC project to connect offshore wind
ABB’s response 400 MW HVDC Light® system at
±150 kV
125 km sea cable route
75 km land cable route
Turnkey delivery including platform
Full grid code compliance
© ABB Group May 28, 2010 | Slide 23
BorWin1 The offshore challenges
Environmental conditions
Weather, salt, water
Recreation areas
Naturally protected areas, Wadden Sea (magnetic fields, oil)
Low weight
Reliability
Maintenance
Passive offshore grids
Weak AC grids on the coast line
© ABB Group May 28, 2010 | Slide 24
BorWin1 Single Line Diagram
© ABB Group May 28, 2010 | Slide 25
BorWin1 Onshore HVDC Light station at Diele, Germany
Cooling Units
ReactorsValves
Chopper
AC Filter Yard
DC Filter Yard
Power Transformer
© ABB Group May 28, 2010 | Slide 26
BorWin1 Diele Converter Station
© ABB Group May 28, 2010 | Slide 27
BorWin1 Platform layout
Topside weight approx 3.300 t (incl. 800 t ABB equipment)
Size approx 52 x 35 x 22 m Jacket 1.500 t
(Height 62 m, sea level to topside approx 20 m)
Topside and jacket verified, witnessed and approved by Germanische Lloyd according to the German rules & regulations
Permits for the platform obtained from BSH before start of installation & operation
© ABB Group May 28, 2010 | Slide 28
BorWin1 Platform and jacket ready for sail-out
© ABB Group May 28, 2010 | Slide 29
BorWin1 The last steps until completion of the installation
© ABB Group May 28, 2010 | Slide 30
BorWin1 BorWin alpha – installation of additional cables
© ABB Group May 28, 2010 | Slide 31
Offshore power supply Performance driver
Increased reliability (Forced Outage Rate)
5 per year 3 per year 1 per year
Increased availability (Maintenance intervals)
1 per year 1 every 2 years 1 every 5 years
Reduced start-up time (Commissioning time)
Months Weeks Days
© ABB Group May 28, 2010 | Slide 32
BorWin1 Cable – Scheme
© ABB Group May 28, 2010 | Slide 33
BorWin1 BorWin alpha
© ABB Group May 28, 2010 | Slide 34
Agenda
HVDC lead center
General introduction HVDC Light (VSC technology)
HVDC Light reference projects
HVDC Light – integrating offshore renewable energy
Project film
DC grids
© ABB Group May 28, 2010 | Slide 35
Agenda
HVDC lead center
General introduction HVDC Light (VSC technology)
HVDC Light reference projects
HVDC Light – integrating offshore renewable energy
Project film
DC grids
© ABB Group May 28, 2010 | Slide 36
What is needed to build future DC grids?
DC grids should be able to operate during different operation modes in the connected AC-systems as well as in the DC-system, i.e. Normal operation Alert state Emergency state Failure state
DC grids can be divided into Regional DC grids Interregional DC grids
© ABB Group May 28, 2010 | Slide 37
Regional DC grids Can be built now with existing, proven technology
A DC regional grid is defined as a system that constitutes of one protection zone
Characteristics
It can be realized today with proven technology. There are no technology gaps to be closed.
DC breakers are not needed
Normally radial or star network configuration
Regulatory issues such as how to manage such new grids need to be solved
© ABB Group May 28, 2010 | Slide 38
Trans-European or interregional DC grids
A DC interregional DC grid is defined as a system that needs several protection zones
There are existing technology gaps to be closed before realization (ongoing), for example
DC breakers are required
Power flow control is needed
Automatic network restoration
DC/DC converters for connecting different regional systems can be used
Regulatory issues such as how to manage such new grids need to be solved
© ABB Group May 28, 2010 | Slide 39
HVDC Light Connecting wind farms
System with converters and cables Easier permit procedure in coastal areas Low project risk Short installation and implementation time Low operation and maintenance cost
Grid improvement Voltage and reactive power control Loss reduction in connected AC network Increased transfer capability in AC lines Connection in weak network points Passive load operation (Black Start)
Environmentally adapted Short permitting time Small footprint and low profile of converters Oil free cable Reduced magnetic fields “Invisible” transmission
© ABB Group May 28, 2010 | Slide 40