The SEC Power Forum

Wolfgang BraunCEO

Energy Transmission Middle East, SIEMENS

Session IV: Opportunities in Transmission & Distribution Related Industries

© Siemens AG, 2012

Wolfgang Braun

Head of Power Transmission,Siemens Energy Sector Middle East

Riyadh, May 11, 2013

Extending grids in a changing energy system

Page 3 May 11, 2013 © Siemens AGWolfgang Braun

Middle East: Installed capacity in GW

The future energy mix in Middle East becomes more different – Gas and Renewables

Installedcapacity 2030

New capacityadditions (’12-’30)

Retirements(’12-’30)

Installedcapacity 2011

Single Cycle Power Plant

Steam Power Plant

Nuclear Power Plant

Hydro

Renewables

Engines

758

41%

15%

17%

3%6%

11%

7%

576

41%

12%

14%

4%4%

14%

12%

151

14%28%

29%1%

26%

332

29%

26%

28%1%

8% 1%9%

Combined Cycle Power Plant

Page 4 May 11, 2013 © Siemens AGWolfgang Braun

The original linear energy system will evolve into a complex power matrix

Renewables calls for intermittency management

Growing share of distributed power generation – Higher demand for grid technology

Growing share of renewable energies – New challenges for the grid

Page 5 May 11, 2013 © Siemens AGWolfgang Braun

FACTS Static Var Compensator to control dynamically

the network

FACTS series compensation to stabilize long AC

transmission lines

HVDC for connecting and stabilizing grids

HVDC for long distance

transmission

Solutions for grid stabilization

1. 2.

3. 4.

Siemenssolutions

Page 6 May 11, 2013 © Siemens AGWolfgang Braun

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

HVDC: Bridging long distances highly efficient

HVDC is a unique solution for:

DC System

System 1 System 2

ACACACAC

1.

Page 7 May 11, 2013 © Siemens AGWolfgang Braun

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

HVDC Controllability is beneficial for:

HVDC: Connecting and stabilizing grids

2.

Page 8 May 11, 2013 © Siemens AGWolfgang Braun

Increased power transfer over long AC

lines

Damping of active power oscillations

Load flow control in meshed systems

Series Compensation Applications are beneficial for:

Flexible AC Transmission Systems: Stable power supply

3.

Thereby significantly

improving the stability and

performance of existing and

future transmission systems

Page 9 May 11, 2013 © Siemens AGWolfgang Braun

Fast voltage control

Reactive power control

Damping of power oscillations

Unbalance control

Static Var Compensator are beneficial for:

Static Var Compensator: Insurance for the Network

4.

Thereby significantly

improving the stability and

performance of existing and

future transmission systems

Page 10 May 11, 2013 © Siemens AGWolfgang Braun

Fast voltage control

Reactive power control

Damping of power oscillations

Unbalance control

Static Var Compensator are beneficial for:

Static Var Compensator: Insurance for the Network

4.

Thereby significantly

improving the stability and

performance of existing and

future transmission systems

Page 11 May 11, 2013 © Siemens AGWolfgang Braun

Our PortfolioTurnkey Substation Solutions

Turnkey Substation with AIS

Turnkey GIS in Urban Areas

Grid Access of Renewables

GIS in Special Buildings

Page 12 May 11, 2013 © Siemens LLCWolfgang Braun

The imperatives of Middle East Strategy …

… are embedded in the Siemens values

Middle East Strategy is based on the Siemens values and to secure long-term business success

Get closer

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Joining forces to consistently outperform our competitors

Focusing on innovation- and technology-driven growth markets

Maintaining a presence as a strong local partner to our customers

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performance and excellent results.

Being innovativeto create sustain-

able value.

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