Recent Siemens HVDC Activities Yuriy Kazachkov Siemens PTI

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1 IEEE PES 2008 HVDC & FACTS Subcommittee Recent Siemens HVDC Activities Yuriy Kazachkov Siemens PTI

2 660MW 500kV in operation since July 2007 Commercial Operation Neptune RTS Costumer Project Name Location Power Rating Type of Plant Voltage Levels Type of Semiconductors Neptune RTS Neptune RTS Sayreville, NJ Long Island, NY 660MW HVDC Classic Monopole, metallic return 67 mi (51 mi Submarine Cable) 500kV DC 230kV/ 345 AC, 60Hz LTT 8kV (1872) LIPA saved over $20 million last summer by using the new Neptune HVDC cable to bring power to Long Island during the peak summer season in July, August, and September. 2 Power Transmission and Distribution

3 Sayreville HVDC Converter Station 3 Power Transmission and Distribution

4 2500MW 500kV awarded March 2007 Power Grid Corp. of India Costumer Project Name Location Power Rating Type of Plant Voltage Levels Type of Semiconductors Power Grid Corp. of India Ltd. Ballia-Bhiwadi Uttar Pradesh Province Rajasthan Province 2500MW HVDC Classic Bipole 800km Long ± 500kV DC 400kV AC, 50Hz LTT 8kV (3600) 4 Power Transmission and Distribution

5 600MW 400kV awarded May 2007 Energinet/ Storebælt HVDC Costumer Project Name Location Power Rating Type of Plant Voltage Levels Type of Semiconductors Energinet.dk Storebælt The Island Funen and Zealand in Denmark 600MW HVDC Classic Monopole 56km Submarine Cable ± 400kV DC 400kV AC, 50Hz LTT 8kV (1440) 5 Power Transmission and Distribution

6 5000MW 800kV awarded June 2007 China Southern Grid Company Costumer Project Name Location Power Rating Type of Plant Voltage Levels Type of Semiconductors China Southern Power Grid Yunnan - Guangdong Chuxiong City/ Yunnan Zengcheng City/ Guangdong 5000MW Long Distance Bipole 1418km ± 800kV DC 525kV AC, 50Hz LTT 8kV (5760) 6 Power Transmission and Distribution

7 1000MW 450kV awarded June 2007 National Grid and TenneT Costumer Project Name Location Power Rating Type of Plant Voltage Levels Type of Semiconductors BritNed Development Ltd BritNed Isle of Grain, UK Maasvlakte, NL 1000MW HVDC Classic Bipolar 260km Submarine Cable ± 450kV DC 400kV AC, 50Hz LTT 8kV (3360) 7 Power Transmission and Distribution

8 400MW 250kV awarded October 2007 Red Eléctrica de Espana (REE) Costumer Project Name Location Red Eléctrica de Espana Cometa Spain Mallorca Power Rating Type of Plant Voltage Levels Type of Semiconductors 2 x 200MW HVDC Classic Bipole 250km Submarine Cable ± 250kV DC 400kV / 230kV AC, 50Hz LTT 8kV 8 Power Transmission and Distribution

9 400MW 200kV awarded September 2007 Trans Bay Cable Project, USA Costumer Project Name Location Power Rating Type of Plant Voltage Levels Type of Semiconductors Trans Bay Cable LLC Trans Bay Cable Project Pittsburg, CA San Francisco, CA 400MW 59-mile HVDC PLUS Submarine Cable ± 200kV DC 230kV/ 138kV AC, 60Hz IGBT (5184) 9 Power Transmission and Distribution

10 10 Power Transmission and Distribution Trans Bay Cable Project, USA World s 1 st VSC HVDC with Modular Multilevel Converter (MMC) Technology 10 PTD H 1 MT/Re Power Transmission Division P 400 MW, ± 200 kv DC Cable 2010 Q +/ MVAr Dynamic Voltage Support No Increase in Short-Circuit Power Energy Exchange by Sea Cable

11 Benefits of Trans Bay Cable Project: by-passing existing O/H Transmission Transmission Constraints after TBC Trans Bay Cable Transmission Constraints before TBC Significant Improvements HVDC PLUS makes it feasible PTD H 1 MT/Re Power Transmission Power Transmission and Distribution Division

12 Trans Bay Cable Project, USA World s 1 st VSC HVDC with ± 200 kv XLPE DC Cable Converter: Modular Multilevel HVDC PLUS Converter Rated Power: 400 AC Terminal receiving End DC Voltage: ± 200 kv Submarine Cable: Extruded Insulation DC Cable PG&E Potrero Substation San Francisco Pittsburg PG&E Pittsburg Substation < 1 mile 1 mile 53 miles 1 mile < 3 miles San Francisco San Pablo Suisun Bays 115 kv Substation AC Cables AC/DC Converter Station Submarine DC Cables AC/DC Converter Station AC Cables 230 kv Substation PTD H 1 MT/Re Power Transmission Power Transmission and Distribution Division

13 The Evolution of HVDC PLUS and VSC Technology Three-Level Multilevel GTO / IGBT in PP Power IGCT Electronic Devices: GTO /IGCT IGBT in Power Pack IGBT Module 13 Power Transmission and Distribution

14 VSC Technology 2 or 3 Level +U d /2 0 ) -U d /2 Desired voltage Achieved voltage High harmonic Distortion High Stresses resulting in HF Noise 14 Power Transmission and Distribution

15 The Advanced Multilevel Approach: MMC Modular Multilevel Converter Small Converter AC Voltage Steps Low Rate of Voltage Rise Low Generation of Harmonics Low Level of HF Noise Low Switching Losses 15 Power Transmission and Distribution

16 Features and Benefits of HVDC PLUS Module 1 Module 2 Module n Multilevel Topology Modular Concept 1 2 Module 1 Module 2 Module n SM electronics IGBT1 IGBT2 D1 D2 Standard Power Electronics Compactness of Station Design Low Switching Frequency Elimination of high Frequency Stresses Conventional AC Transformers Proven Siemens WinTDC core hardware 16 Power Transmission and Distribution

17 HVDC PLUS 17 Power Transmission and Distribution

18 Benefits of HVDC PLUS Space Saving HVDC PLUS Example 400 MW HVDC Classic PTD H 1 MT/Re Power Transmission Power Transmission and Distribution Division

19 Many Thanks.. Questions?

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