Peter Lundberg, Product Manager HVDC Light, Guangzhou, Sept New Solutions for Transmission Systems HVDC Light ( 轻型直流 )

Transcription

1 Peter Lundberg, Product Manager HVDC Light, Guangzhou, Sept New Solutions for Transmission Systems HVDC Light ( 轻型直流 ) September 13, 2013 Slide 1

2 Content Introduction HVDC Light features and capabilities Applications Examples transmission solutions - projects Future transmission solutions Summary September 13, 2013 Slide 2

3 HVDC is a fast growing technology with several applications Slide 3 PowDoc id

4 And more applications to grow Remote sun power AC/DC conversion Mega-city in-feed Power from shore Slide 4 PowDoc id

5 VSC technology break through More than one qualified supplier 3,5% 3,0% 2,5% 2,0% 1,5% Losses Gen. 1 Gen. 2 Capacity HVDC Light Gen MW Losses in the level of classic Only solution for offshore Asymmetric solution opens up for >500 kv solutions and >2,000 MW for bipoles 1,0% 0,5% HVDC Classic Gen. Gen VSC properties valued Net stability 0,0% Black-start capability Compactness DC grid enabled Slide 5 PowDoc id

6 ABB, HVDC Light Experience 17 HVDC Light projects in total, since 1999 We have delivered more than km HVDC Light Cables Whereof 10 are in full operation, with more than 63 years of operation All HVDC Light projects delivered on time, according to contract 10 of the projects are full Turn Key HVDC Light Systems, including all cables Three of the projects are 100% land cable projects Advanced applications; gas platforms, wind park platforms and VSC OH-line Slide 6 PowDoc id

7 HVDC Light Technical development 2500 MW kv Hällsjön 3 MW ± 10 kv Slide ABB 7 Group September 08MR , 2013 Slide 7 Gotland 50 MW ± 80 kv Cross Sound 330 MW ± 150 kv Estlink 350 MW ± 150 kv BorWin1 400 MW ± 150 kv Caprivi 300 MW kv East-West Interconnector 500 MW ± 200 kv Dolwin MW ± 320 kv Skagerrak MW 500 kv

8 HVDC Light applications Market and technology trends - renewables Offshore wind Hydro Europe needs a new transmission network due to: Landing-point for offshore wind and solar power will be at the out-skirts of the Grid Close down of the German nuclear power Increased energy trading Solar The transmission grid must be re-designed to meet the new needs: Long distance bulk power Low losses Minimum environmental impact Slide ABB 8 Group September PowDoc id 13, 2013 Slide 8

9 HVDC Light applications Market and technology trends - European HVDC Grid Slide ABB 9 Group September PowDoc id 13, 2013 Slide 9

10 What is a HVDC grid? A HVDC grid that can operate: Independent of one or several disturbances (isolate a failure) In different operation modes in the connected AC- & DC-systems Technology gaps for the full realization includes: DC breaker Power flow control Automatic network restoration High voltage DC/DC converters Global rules/regulations for operation required for market acceptance September 13, 2013 Slide 10

11 HVDC Grids Why? Regional to continental HVDC Grids Why HVDC Grids vs HVDC single links or AC Only relevant offshore solution Loss reduction Increased power capacity vs. AC Less visual impact Offshore wind Hydro Why now: Offshore wind, remote solar, grid constraints HVDC Light systems and components mature Solar Challenges: HVDC Breakers & DC/DC Converters Regulatory framework September 13, 2013 Slide 11

12 HVDC Light applications Market and technology trends - interconnection / offshore setup VSC 700 MW HVDC Submarine Cable VSC 700 MW VSC 700 MW AC S/S 350 MW AC S/S 350 MW Slide ABB 12Group September PowDoc id 13, 2013 Slide 12

13 Project example NordBalt, Lithuania/Sweden Customers: Svenska Kraftnät and LITGRID turtas Year of commissioning: 2015 Customer s need Strengthen security of supply in Baltic region and southern Sweden Integrate electricity markets of the Baltic and Nordic countries ABB s response Turnkey 700 MW HVDC Light system Designed for integration into a future pan- European DC grid Customer s benefits Low losses and high reliability Network stability through active AC voltage support Quick grid restoration with black-start capability Slide ABB 13Group September PowDoc id 13, 2013 Slide 13

14 HVDC Light applications Market and technology trends - hybrids Slide ABB 14Group September PowDoc id 13, 2013 Slide 14

15 Project example Skagerrak 4, Norway - Denmark Customer: Energinet.dk & Statnett Year of commissioning: 2014 Customer s need Boost transmission capacity with 700 MW Use electricity more efficiently Enable networks to add more renewable energy ABB s response Two 700 MW HVDC Light converter stations 500 kv new voltage record for the HVDC Light technology Customer s benefits Network stability Low losses and high reliability Quick grid restoration with black-start capability Slide ABB 15Group September PowDoc id 13, 2013 Slide 15

16 HVDC Light applications Market and technology trends - system expansion AC Converter station HVDC Transmission - DC Converter station AC AC Filter 2*22 Mvar AC Filter 2*22 Mvar AC Filter 2*22 Mvar + DC AC Filter 2*22 Mvar Slide ABB 16Group September PowDoc id 13, 2013 Slide 16

17 Project example Caprivi Link, Namibia Customer: NamPower Commissioning: 2009 Customer s need Connect the Zambian and Namibian grid ABB s response Turnkey +350 kv, 300 MW HVDC Light transmission system Option for another 300 MW First HVDC Light with overhead lines (except Hällsjön) Customer s benefits Stability in two very weak a.c. networks Enables future power trading in the expansive region of southern Africa Black start of isolated grids Slide ABB 17Group September PowDoc id 13, 2013 Slide 17

18 OHL clearance in commissioned VSC-link Single pole diagram: x ~ = The Caprivi link, Namibia: First commercial application of VSC with overhead lines: In case of a DC line earth fault Opening of AC breakers (x) Source: SMHI.se OHL = ~ x Fault arc de-ionization Closing of AC breaker and sequencial fast re-start In SVC - mode 500 ms after the fault detection Back to pre-fault power transmission additional ms Two level converter - Asymmetric monopole (Bipole) - Power diodes September 13, 2013 Slide 18

19 Project references HVDC Light technology East West Interconnector, 2012, 500 MW Cross Sound 2002, 330 MW Mackinac 2014, 200 MW Eagle Pass 2000, 36 MW BorWin1 2009, 400 MW DolWin1 2013, 800 MW DolWin2 2015, 900 MW Tjäreborg 2000, 7 MW Troll, X40 MW Troll, X50 MW Skagerrak , 700 MW Valhall, MW Åland, MW Estlink, MW Hellsjön 1997, 3 MW NordBalt 2015, 700 MW Gotland 1999, 50 MW Directlink 2000, 3X60 MW Caprivi Link 2009, 300 MW Murraylink 2002, 220 MW

20 Summary VSC HVDC Technologies Light (VSC) since 1999 longest experience Technology portfolio supporting major applications Applications to support future transmission needs Turn-key solutions for optimal project solutions Key features for HVDC Light Higher ratings Lower losses More compact, particularly offshore Multi terminal Control features ABB has the longest experience in developing HVDC Light ABB is by far the most experienced in delivering reliable HVDC Light systems September 13, 2013 Slide 20

21 September 13, 2013 Slide 21