The new Gas Turbine Portfolio to meet the market requirements for Distributed Generation

PowerGen Europe, 9-11 June 2015

The new Gas Turbine Portfolio to meet the market requirements for Distributed Generation Nicholas Muntz, Dr. Thorsten Krol Security classification © Siemens AG 2015 All rights reserved.

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Introduction 1. Centralized static system

2. Enhanced flexibility in centralized system

3. Highest flexibility in centralized system

4. Decentralized system per customer demand

Restricted © Siemens AG 2015 All rights reserved. Page 2

June, 2015

PowerGen Europe 2015 Amsterdam

N. Muntz, Dr. T. Krol

AL=N; ECCN=N

Operational market driver 1. Grid stability – country overview

2. Wind in Energy mix

Frequency peak statistics

Events / year

200000

Argentina Germany India Japan Nigeria Norway Philippines 60Hz Singapore South Korea 60Hz United Kingdom

150000

100000

50000

Frequency [ Hz ]

0

4. Profit situation LGT-driven power plants

3. No. of redispatches p.a. in local grid 1200

2010

2011

2013

2014

2012

1000 800

Source: TenneT

600 400 200 0 2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

Positive CSS

Example profit situation of large GTdriven power train

2010

2011

2012

2013

2014e

84,9 % 7.437 h

69,1 % 6.053 h

36,3 % 3.180 h

19,7 % 1.726 h

20,7 % * 1.813 h *

Restricted © Siemens AG 2015 All rights reserved. Page 3

June, 2015

PowerGen Europe 2015 Amsterdam

N. Muntz, Dr. T. Krol

AL=N; ECCN=N

Differences in operating regimes Base load operation conventional

Base load operation renewable

Peak load operation renewable Stand still Turning gear opreation

Operations statistics

Ac-/deceleration Operation

Active power

Active power Reactive power

Reactive power

Operation in capability diagram

Reactive power

Active power

Thermal rotor limit Power factor Thermal stator winding limit Step iron limit Steady state limit

active power share

< 60% 60% - 90% > 90%

Restricted © Siemens AG 2015 All rights reserved. Page 4

June, 2015

PowerGen Europe 2015 Amsterdam

N. Muntz, Dr. T. Krol

AL=N; ECCN=N

Differences in operating regimes Base load operation conventional

Base load operation renewable

Peak load operation renewable Stand still Turning gear opreation

Operations statistics

Ac-/deceleration

change rate [MW/min]

Operations summary

• >7000 operating hours • Defined loading points in power diagram • Low number of starts and load changes

No. Of load changes

No. Of load changes

Load changes and change rate

No. Of load changes

Operation

change rate [MW/min]

• >7000 operating hours • Defined loading points in power diagram • Low number of starts and high number of load changes

Decrease active power Increase active power

change rate [MW/min]

•