POWER SYSTEM. Experiencia en el Proyecto Rio Madeira (Brasil), HVDC ± 600 kv. Felipe Nobre, 14/Oct/2015. ABB Group October 19, 2015 Slide 1

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1 POWER SYSTEM Experiencia en el Proyecto Rio Madeira (Brasil), HVDC ± 600 kv Felipe Nobre, 14/Oct/2015 ABB Group October 19, 2015 Slide 1

2 ABB en Brasil y en el mundo ABB Group October 19, 2015 Slide 2

3 Líder global em tecnologias de potência e automação Inovação nos mercados de energia e industria U$ 42 Bi ~ funcionários Faturamento (2013) Presente em +100 países 1988 fusão: Suíça (BBC 1891) com a Sueca (ASEA 1883)

4 Como estamos organizados 5 Divisões Globais

5 ABB Group October 19, 2015 Slide 5 ABB no Brasil Iniciamos no Brasil em 1912, fornecendo os equipamentos elétricos para o bondinho do Pão de Açúcar 2014 PS Colaboradores Volume (Mi USD) >1000 >350 Oficina central en City America São Paulo Sorocaba Guarulhos

6 ABB Group October 19, 2015 Slide 6 ABB no Brasil Cumbica Blumenau Betim Santos Rio de Janeiro Manaus

7 ABB y la inovacion ABB Group October 19, 2015 Slide 7

8 Moldando o mundo hoje por meio da inovação Pioneira em tecnologia desde 1883 Os fundadores 1900 Turbina a vapor Turbochargers Turbina a gás Sistema de acionamento elétrico para locomotivas Robôs industriais Painéis isolados a gás Motor sem redutor HVDC Acionamentos e inversores de frequência Sistemas de propulsão elétrica Sistemas de controle distribuído Ultra-alta tensão ABB Group 19 October de outubro 19, 2015 de 2015 Slide Slide 8 8

9 Projetos inovadores e de infraestrutura Ampliando as fronteiras da tecnologia Elevador de mina para a maior mina de potássio Primeira usina comercial de energia de ondas Maior conexão elétrica subaquática Primeira plataforma conectada à rede elétrica em terra firme Mais remota estação eólica em alto mar ligada à rede elétrica Maior usina de energia solar térmica da Europa Maior bateria Maior instalação de SVC Conexão elétrica mais longa e de maior capacidade Maior correia transportadora Automação da maior usina de alumina O maior moinho com acionamento sem redutor (para quebra de minério) Primeira conexão elétrica de 600 kv Maior usina de dessalinização por osmose reversa da água do mar Energia e automação da maior planta química de celulose Maior rede SCADA Maior conexão elétrica subterrânea Subestação no prédio mais alto do mundo ABB Group 19 October de outubro 19, 2015 de 2015 Slide Slide 9 9

10 ABB Group 19 de outubro de 2015 Slide 10

11 HVDC history History and Introduction Slide 11 (22) First commercial HVDC transmission in 1954 (100 kv, 20 MW) Gotland Swedish mainland Cable length: 100 km

15 Porque HVDC ABB Group October 19, 2015 Slide 15

16 HVDC characteristics Generator HVDC transmission system Load Why use HVDC instead of AC? Slide 16 (22) DC Decreases total cost for long distance power transmission with overhead lines and/or cables. DC enables connection between asynchronous AC networks. Gives fast and accurate control of the power flow.

17 Total cost DC vs. AC AC DC Investment Costs Total AC cost DC terminal Costs Total DC Cost Variables Cost of Land Cost of Materials Cost of Labour Time to Market Permits etc. AC Terminal costs Critical Distance Distance

18 Lower losses HVDC 2x500 kv Slide 18 (22)

25 Interconnection of power systems Slide 25 (22) Why use HVDC for interconnections? Exact power flow control Efficient use of generating capacity Stability control No increase of short circuit currents Less environmental impact Low losses for long distance transmissions Lower investment Conventional HVAC HVAC with FACTS HVDC DC

26 Thyristor Function + V thyr - Current direction Block high voltage in both directions Conduct current in forward direction Turn on when given firing pulse and positive voltage Turn off when the thyristor current crosses zero

27 Introdução: tipos básicos de Conversor HVDC e HVDC Light ABB Group October 19, 2015 Slide 27

28 HVDC Control Line-commutated converters Power direction: Power reversal: 1 1 ~ +100 V +99 V Rectifier 1A Inverter ~ ~ -99 V -100 V Inverter 1A Rectifier ~ +100 V +99 V 100 W 99 W 0 V 0 V Slide 28 (22) 99 W -99 V -100 V 100 W

29 HVDC Transmission Configurations Monopole, ground return Bipole 12-pulse groups 12-pulse groups Monopole, metallic return 12-pulse groups 12-pulse groups Capacity up to appr MW Monopole, midpoint grounded Back to -Back 6-pulse groups Slide 29 (22) 6-pulse groups Capacity up to appr MW Capacity up to appr MW Connection between Converter Stations can be Overhead Lines or Cables

30 Single-line diagram for a typical converter station 11th harmonic filter AC yard Converter Valve hall DC yard Pole line 13th harmonic filter DC filter Highpass filter Monopolar Converter Station To ground electrode or metallic return Slide 30 (22)

31 Single-line diagram for a typical converter station 11th harmonic filter AC yard Converter Valve hall DC yard Pole line 13th harmonic filter DC filter Pole 1 Highpass filter Highpass filter Electrode To electrode lines lines 13th harmonic filter DC Filter Pole 2 Pole line Slide 31 (22) 11th harmonic filter AC bus Bipolar Converter Station

32 Experiencia en el Proyecto Rio Madeira, HVDC ± 600 kv ABB Group October 19, 2015 Slide 32

33 Desafios da Transmissão Rio Madeira Distancia Potencia Duas usinas Geradores 2350 km 6450 MW 88 geradores 72 e 75 MW Desafios: Distancia muito grande. Múltiplas geradores de pequena porte. Interligação com sistema de 230 kv fraca. Soluções: Eficiência com uso de HVDC em ± 600 kv. Uso de controlabilidade de HVDC Flexibilidade usando de Back-to-Back com CCC Experiência: 25 anos de HVDC em ± 600 kv, Furnas/Itaipu Garabi 2200 MW Back-to-Back com CCC ABB Group March 2009

34 Sistema de Transmissão do Rio Madeira CPV station BtB 2x400 MW Lot A Bipole 2 ± 600 kv line Lot G Bipole 1 ± 600 kv line Lot D Bipole MW Lot F Bipole MW Lot C ABB Group March 2009

35 Razões de uso de HVDC no Brasil. Porque transmissão de energia elétrica em HVDC? Mais eficiente. Mais robusto. Menos impacto ambiental. Menor faixa de servidão 2 condutores vs 3 e Menos linhas Experiência: 25 anos de HVDC em ± 600 kv, Furnas/Itaipu Garabi 2200 MW Back-to-Back com CCC ABB Group March 2009

36 Sistema da transmissão Itaipu (Furnas) Duas sistemas de 6300 MW 3 EHVAC Lines 765 kvac About 70% Guyed Vee Average weight 8500 kg 16 m Phase spacing Conductor 4xBluejay 564 mm² 35 Insulators 2 HVDC Lines ± 600 kvdc About 80% Guyed Mast Average weight 5000 kg Conductor 4xBittern 644 mm² 32 Insulators 510 mm creep 16 m pole spacing Operação Comercial em 1984 Ainda hoje a tensão mais alta em HVDC ABB Group March 2009

37 Sistema da transmissão Itaipu (Furnas) ABB Group March 2009 Foz do Iguaçu Converter Station

38 Rio Madeira HVDC - Legal set-up ABB Group Slide 38 PowDoc id Ministry of Mining & Energy (MME) / ANEEL 30 years BOT agreement Lot A: Porto Velho Transmissora de Energia S.A. Lot C: Estação Transmissora de Energia S.A. Consórcio Integração Norte Brasil Abengoa-Eletronorte-Eletrosul Customer Instalaciones Inabensa S.A. Spain & Abengoa Construção Brasil Ltda. Two separate EPC contracts Converter Lot A and Lot C EPC Consortium Converter Station SEABB Lead BRABB/PSG Local Proj. Manag. Local engineering Local manuf. Equip. Local transport SEABB/PSG System Design Imported equipment Supervision& commission

39 Sistema de Transmissão do Rio Madeira The two Back-to-back blocks are each rated 400 MW, although maximum power transmission into the 230kV is limited to 600 MW due to the weakness of the system. In the system studied by EPE and defined as the Basic Configuration in the documents issued by ANEEL for the transmission concession auction [2], the 230 kv side is strengthened by three 100 Mvar synchronous compensators. ABB offered a solution using CCC converters for the Back-to-back, the only major deviation from the suggested Basic Configuration. ABB Group March 2009

40 Sistema de Conexão Acre Rondônia : Back-to-Back com CCC The two back-to-back blocks are each rated 400 MW, although maximum power transmission into the 230kV is limited to 600 MW, at least until To overcome the problems of feeding into such a weak system, the back-to-back uses Capacitor Commutated Converters (CCC), improving not only performance related to commutation failures, but also reducing the need for shunt reactive compensation. Although not strictly necessary from a performance point of view the 500 kv side of the back-to-back also uses CCC technology. This permits use of harmonic filters with a relatively low Mvar rating on both sides of these converters.

41 Sistema de Conexão Acre - Rondônia Operating modes The back-to-back has to operate in various considerably different configurations of the network: 1. Feeding weak 230 kv network synchronous with the Brazilian network. 2. As normal operation, but with a large gas fired thermal unit in operation locally in Porto Velho. 3. As normal operation initially, but separating from the Brazilian System (Isolated operation). 4. Start-up in isolated operation (Black start). 5. Feeding 500 kv converter bus from 230 kv (Reverse power direction). ABB Group March 2009

42 Bipolo 1, 3150 MW Rio Madeira Transmissão, Lote C Porto Velho Araraquara Y Y Notes: Includes metallic return, paralleling of bipoles and of lines Lot C includes Master Control of Back-to-Back and Bipole 2 ABB Group March 2009

43 Sistema de Transmissão do Rio Madeira LINE 1 POLE 1 NBS MRTB El Line BIPOLE 1 El Line NBS POLE 1 NBS GRTS NBS POLE 2 NBGS TO POLE 3 TO POLE 3 NBGS POLE 2 LINE 2 LINE 3 POLE 3 TO POLE 4 BIPOLE 2 TO POLE 4 POLE 3 El Line El Line POLE 4 POLE 4 PORTO VELHO COLLECTOR CONVERTER STATION LINE 4 ARARAQUARA 2 CONVERTER STATION

44 Conversoras da Transmissão em HVDC CPV Bipole 1 Valve Hall Quadrivalvulas Trafos de três enrolamentos ABB Group March 2009

45 Bipolo 1, 3150 MW Rio Madeira Transmissão, Lote C Salas de valvulas: Two winding trafo Height: 18 m Width: 53 m Depth: 25 m Three winding trafo Height: 23 m Width: 27 m Bi-valves em Araraquara Depth: 25 m Quadri-valves em Porto Velho ABB Group March 2009

46 Bipolo 1, 3150 MW Rio Madeira Transmissão, Lote C Estação Araraquara Rio Madeira ± 600 kv Junho 2012 ABB Group March 2009

47 HVDC transformers Largest HVDC transformer Single phase 3 winding Power: 621/310,5/310,5 MVA Connection: Yn/Y/D

48 Rio Madeira Transmission Transporte transformadores para Porto Velho, via Manaus ABB Group March 2009

49 Aneel 007/08 Base Coletora Porto Velho Future Lot LF-CC Lot LC-CC Lot LA-CC ABB Group March 2009

50 Aneel 007/08 ABB BR solution Coletora Porto Velho AC Filters Lot LF AC Filters Lot LC BtB Filters Future Lot LF-CC Lot LC-CC Lot LA-CC BtB Filters No Syn Cons

51 Rio Madeira HVDC Project Pictures from Site Porto Velho Back to Back station ABB Group October 19, 2015 Slide 51

52 Rio Madeira HVDC Project Pictures from Site ABB Araraquara Converter station (right) and Alstom station in the middle Two transformers moved into position ABB Group October 19, 2015 Slide 52

53 Rio Madeira Transmissão, Coletora Porto Velho ABB Group March 2009

54 BtB 1, 400 MW Rio Madeira Transmissão, Lote A Teste de tipo, Octo-Valvula CCC, Transformador de três fases, Octo-valvulas ± 50 kv ABB Group March 2009

55 Rio Madeira HVDC Project Pictures from Porto Velho Site Line Fault test ABB Group October 19, 2015 Slide 55

56 ABB Group October 19, 2015 Slide 56 Razões de aumentar o uso de HVDC no Brasil Porque usar Elos de Corrente Continua? 1. Menos custo de investimento 2. Distancias longas 3. Perdas menores 4. Interligações assíncronos 5. Flexibilidade pelo controle 6. Limitação de correntes de curto 7. Meio-ambiente Summario Mais eficiente Mais robusto Menos impacto ambiental

57 BRPSGS Future HVDC Projects EPE Studies Belo Monte N/SE N/SE and NE/SE Transmission Expansion HPP Tapajós Transmission System Transmission Line: Voltage: 1,500 km BP1 2,500 km BP2 ± 800 kv DC Transmission Line: Voltage: 2,100 km N/SE 1,500 km NE/SE ± 800 kv DC Power: 7,500 MW for 2 bipoles Expected Auction/Award: 2016/2017 Power: 8,000 MW for 2 bipoles Expected Auction/Award: 2017/2018 BP1 2019/2020 BP2

58 Felipe Nobre HVDC Systems and Services, Consulting and PS Services ABB Group October 19, 2015 Slide 58