HVDC and VSC technology, an enabler for integration … · HVDC and VSC technology, ... What is an...
17
Olof Heyman Emerging Era of 100% Renewables & Challenge CEO Heyman Power Consulting HVDC and VSC technology, an enabler for integration of renewables in the North Europe/Scandinavian Energy System
Transcript of HVDC and VSC technology, an enabler for integration … · HVDC and VSC technology, ... What is an...
Olof Heyman
Emerging Era of 100% Renewables & Challenge
CEO
Heyman Power Consulting
HVDC and VSC technology, an enabler for integration of renewables in the North Europe/Scandinavian Energy System
What is an HVDC transmission system?
Why HVDC ?Long cables
Stabilize networks
Low losses for long power transport
Connecting countries or regions
HVDC converter station
Overhead lines
Two conductors
Cables HVDC converter stationC
us
tom
er’s
Grid
Cu
sto
me
r’s
Gri
d
HVDC Technology
HVDC VSC-Converter stations (Voltage
Source Converter), for power levels up to
1.800 MW at ±500 kV using IGBT technology.
HVDC LCC-Converter stations (Line
Commutated Converter), for power levels up
to more than 8.000 MW at ±800 kV using
thyristor technology.
HVDC Classic HVDC VSC
HVDC Applications
Interconnecting
grids
Power from shoreConnecting remote
generation
Offshore wind
connections
DC links in AC grids
European development
6
Existing
HVDC
Planned/discu
ssed
European development
HVDC a future solution for
Energy trading
Security of supply
Integration of renewables
Balancing of intermittent power
Closing nuclear and fossil
Optimizing total grid efficiency
7
Nordpool
The Nordic transmission system operators areStatnett TSO for Norway, Svenska Kraftnät TSO for Sweden, Fingrid TSO for Finland, Energinet dk TSO for Denmark, Elering TSO for Estonia, Litgrid TSO for Lithuania and AST TSO for Latvia
8
Denmark (1)
• Installed Windpower end 2014: 5 GW
• Projected windpower end 2024: 7 GW
• Total Peak power: 5,4 GW
• Total installed power: ≈ 15 GW
33%
7%
16%7%3%
34%
MW
Coal Oil Gas Bio Mass&Gas Waste Wind *) energinet.dk
9
European development
Swedish Energy Production 2014Wind
7%CHP bio7%
CHP fosil1%
Hydro43%
Nuclear42%
Nuclear CHP Wind Hydro Export
Swedish Power, Typical 2014
10
Norway
MWh Production and Consumption Water level in magazines
Export 15 TWh last 12 months Jan May Sept Dec
> 90% hydro
11
Nordpool
The Nordic transmission system operators areStatnett TSO for Norway, Svenska Kraftnät TSO for Sweden, Fingrid TSO for Finland, Energinet dk TSO for Denmark, Elering TSO for Estonia, Litgrid TSO for Lithuania and AST TSO for Latvia
12
Example 2
Medium winter load and high wind
13
Example 3
Winter Sunday with low load and good wind
14
European development
High load and no wind
Example 4
15
Daivis Virbickas, Litgrid CEO:
16
Outcome of Litpol link:
“THANK YOU”
