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Extending grids in a changing energy system

Extending grids in a changing energy system. Wolfgang Braun Head of Power Transmission, Siemens Energy Sector Middle East Riyadh, May 11, 2013. The future energy mix in Middle East becomes more different – Gas and Renewables. Middle East: Installed capacity in GW. 576. 758. 7%. 12%.

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Extending grids in a changing energy system

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  1. Extending grids in a changing energy system Wolfgang Braun Head of Power Transmission,Siemens Energy Sector Middle East Riyadh, May 11, 2013

  2. The future energy mix in Middle East becomes more different – Gas and Renewables Middle East: Installed capacity in GW 576 758 7% 12% Engines 11% Renewables 14% 4% 6% Hydro 4% 3% Nuclear Power Plant 14% 17% Steam Power Plant 12% 15% Single Cycle Power Plant 332 151 9% 26% 1% 41% 1% 8% 29% 1% 28% 28% 14% 41% Combined Cycle Power Plant 26% 29% Installedcapacity 2011 Retirements (’12-’30) New capacityadditions (’12-’30) Installedcapacity 2030

  3. Growing share of renewable energies – New challenges for the grid Growing share of distributed power generation – Higher demand for grid technology Renewables calls for intermittency management The original linear energy system will evolve into a complex power matrix

  4. Solutions for grid stabilization HVDC for long distance transmission HVDC for connecting and stabilizing grids 1. 2. Siemens solutions 3. 4. FACTS Static Var Compensator to control dynamically the network FACTS series compensation to stabilize long AC transmission lines

  5. AC AC DCSystem System 1 System 2 HVDC: Bridging long distances highly efficient 1. HVDC is a unique solution for: • Long Overhead Lines with high Trans-mission Capacity and limited Right-of-Way • Long Cable Transmissions • Asynchronous Interconnections • New Links in Grids where Short-Circuit Currents are at upper Limits • Fast Control of Power Flow • Reduction in Transmission Losses for long Distances

  6. HVDC: Connecting and stabilizing grids 2. HVDC Controllability is beneficial for: • Exact Control of Power Flow in either Direction • Enhancement of AC System Stability • Reactive Power Control / Support of AC Voltage • Frequency Control • Overload Capability • Emergency Power Functions • Power Oscillation Damping • HVDC is a Firewall against Cascading Disturbances

  7. Flexible AC Transmission Systems: Stable power supply 3. Series Compensation Applications are beneficial for: • Increased power transfer over long AC lines • Damping of active power oscillations • Load flow control in meshed systems Thereby significantly improving the stability and performance of existing and future transmission systems

  8. Static Var Compensator: Insurance for the Network 4. Static Var Compensator are beneficial for: • Fast voltage control • Reactive power control • Damping of power oscillations • Unbalance control Thereby significantly improving the stability and performance of existing and future transmission systems

  9. Static Var Compensator: Insurance for the Network 4. Static Var Compensator are beneficial for: • Fast voltage control • Reactive power control • Damping of power oscillations • Unbalance control Thereby significantly improving the stability and performance of existing and future transmission systems

  10. Our PortfolioTurnkey Substation Solutions Grid Access of Renewables Turnkey Substation with AIS Turnkey GIS in Urban Areas GIS in Special Buildings

  11. Leading market and technology positions Sustainability – Our guiding principle Middle East Strategy is based on the Siemens values and to secure long-term business success The imperatives of Middle East Strategy … … are embedded in the Siemens values Joining forces to consistently outperform our competitors Get closer • The pioneer in Focusing on innovation- and technology-driven growth markets Be thepioneer • Energy efficiency • Industrial productivity • Affordable and personalized healthcare • Intelligent infrastructure solutions Maintaining a presence as a strong local partner to our customers Be local Responsible Innovative Excellent Committedto ethical and responsible actions. Achieving high performance and excellent results. Being innovativeto create sustain-able value.

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