Andrew Dicke GE Energy

8/20/2019 Andrew Dicke GE Energy

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A new standard ofhigh efficiency and

FlexEfficiency* 60FlexEfficiency* 60operational flexibility

* Trademark of General Electric Company

© 2012, General Electric Company. Proprietary. All Rights Reserved.


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Overview

• Industry Dynamics

• FlexEfficiency 60 Portfolio

• Combustion

•

A new standard ofhigh efficiency and

FlexEfficiency 60FlexEfficiency 60operational flexibility



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Industr D namics



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Customer requirementsIndustry changes

• Bigger role for natural gas generation• Evolving emission requirements

• Developing industry structuresfor variable power

• Deployment of renewables

Volatility of grid capacity• Regional diversity

T ical Combined C cle Gas Turbine CCGT o eratin rofile

Steady state AutomaticGeneration

Control (AGC)Load

Spinning reserveoff-peak

turndown

Baseline

FlexEfficiency 60 Customer PresentationSlide 6 2/28/2013



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FlexEfficienc 60 Portfolio



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FlexEfficiency 60 Portfolio of products

7F 5-SeriesGas Turbine

2x

7F 7-SeriesGas Turbine

D-17Steam 1x

Turbine

H26

Generator x Mark* VIeMark* VIeIntegrated ControlIntegrated Control

System (ICS)System (ICS)

FlexEfficiency 60 Customer PresentationSlide 8 2/28/2013


Wide range of products to meet customers needs



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Plant capabilities

• High efficiency: >61% for reduced fuel burn and lower CO2

• Right sized plant: 750 MW for Independent Powerro ucers an me um u es

• Rapid start up: Full load 100 MW/minute ramp rate

within emission guarantees• Larger operating range: P ant turn own

to 14% baseload

• Low stack emissions: 2 m NO and CO with

Selective Catalytic Reduction (SCR) and CO catalyst

FlexEfficiency 60 Customer Presentation

Slide 9 2/28/2013

A new stan ar in e iciency an exi i ity



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Plant start-up capability

Benefits with Rapid Response

• Full load


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Ramp rates … within emissions compliance

Automated Generation Control (AGC)

• 5 minute market

• Range x Ramp = Va ue

• Requires emissions compliance

• Capture price spikes

Enhanced Emissions Compliant Ramping

7F 5-series capability

•


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Economic and environmental benefits

Emissions

• 62% less CO2 emissions/MWh than average U.S.coa p an

Environmental impact

…• FlexEfficiency 60 Plant operating 5,800 hours/year

Impacts …

*

• 2 re uc on o , ons year … equ va ento annual emissions of more than 11,000 cars2

• Natural gas fuel savings of 950 million cubic

ee year … equ va en o annua consump onof 13,000 U.S. households2


Slide 12 2/28/2013© 2012, General Electric Company. Proprietary. All Rights Reserved.

2Based on Dec-11 EPA Data



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Plant footprint and access

• Access road between units …enhanced constructability,Operations & Maintenance (O&M)and Environmental Health & Safety(EHS) f t

• Construction crane access for

major components

5 3 5

• Eliminated fuel gas compressorspace … lower natural gaspressure requirement 200 ft

535 ft



Maintainable, compact plant arrangement


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Improved 7F 5-series gas turbine- ,

Flexibility

• Highest flexibility in class

• Fast start capability• Wide operating range

Configuration MW Output EfficiencySC 216 >38.7%

2xCC 3xCC 655 980 >59%•

Reliability

GT turndown 36% GT baseload

GT ramp rate 40 MW/minute per GT

• Proven componentsFuel flexibility +/- 5% MWI

Fast start capability 11 minutes to baseload

NOx mvd @ 15% O 9/2 with SCR

CO ppmvd 9/2 with catalyst

Coupling 7F gas turbine heritage with advanced



compressor for greater customer value

Comparative statements refer to GE technology unless otherwise stated.


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Introducing the 7F 7-series gas turbine,

Performance• A new level of air-cooled turbine

Configuration MW Output Efficiency

SC 250 >40%

2xCC/3xCC 750/1125 >61%

efficiency >61%

• Lower specific CO2 emissions

GT turndown 20% GT baseload

GT ramp rate 50 MW/minute per GT• Highest flexibility in class

• Faster startup, ramping and wider-

Fast start capability 10 minutes to baseload

NOx ppmvd @ 15% O2 20/2 with SCR

operating range

Reliability•

Delivers improved performance and flexibility

CO ppmvd 9/2 with catalyst

• World-class validation process




wit continue ig re ia i ity avai a i ity


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Combustion



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Combustion fundamentals

Operational BoundariesNOx

DynamicsClean Fuel

Conversion

Operability

CO

Stable

Combustion

Turndown


LA DLN Customer Presentation

Slide 17 10/11/2012

u p e oun ar es requ re ro us con ro me o o ogy


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OpFlex Balance: AutoTune

Benefits

Before

O u t p

u t• s cus omer-a us a e x … cope

with emissions-reporting equipmentvariation

Ambient temperature

• na es con nuous, re a e gasturbine operation

• Reduces combustion retuning due to Afterue var a ons

• Reduces combustion dynamics andnon-compliance events, provides

expan e ean- ow-ouprotection


OpFlex

Slide 19


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DLN 1 1+



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DLN1/1+ emissions reduction evolution42 PPM

- y e a r

15 PPM

Water InjectedWater Injected DLN1+ 5ppmintroduced in 2005

o n

s ) / M

DLN1DLN15 PPM

DLN1+ 3.5ppm

introduced in 2008

N O

x (

DLN1+DLN1+

Frame DLN1 DLN1+

6B 220+ 3

7C-EA 420+ 18

3.5 PPM

‘90 ‘95 ‘06‘00

9E 195+ soon

‘09



Slide 21 10/11/2012

Over 30 Million DLN-Fired Hours


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DLN1+ system configuration

DLN1

DLN1+ Transition pieces with stagedilution optimization

p m ze ueair mixing Optimized

venturi

Class C TBC

Accessories:Redesigned secondary fuel nozzle

Robust fuelSealing



Slide 22 10/11/2012

Control (CLEC) or CEMS

Monitoring (CDM)

Tuning Valves


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DLN 2.0 2.6 2.6+



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Dry Low NOx 2.x combustion history

DLN 2.0

• 137 units, 10 million hours (7F)•

• Turndown to 50% gas turbine load

DLN 2.6

• 750 units, 15 million hours (7F)

• 9 ppm NOx• Turn own to 64 units, >810k hours (9FB)• 9-25 ppm NOx



Slide 24 10/11/2012

• urn own o gas ur ne oa


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DLN 2.6+AFS (Axial Fuel Staged) combustor .

Advanced remixin1

• Low NOx at high Tfire• Fuel Flex – LNG and MWI

van ages

• Faster Installation• Im roved coolin

• Low NOx at high Tfire• Improved turndown

• Lower turndown



Slide 25 10/11/2012



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SCR OpFlex * NH3 Controller con ro ver ca on e es , Model Based Control (MBC)

technology includes

catalyst characterizationoutsi e t e norma

operating envelope

Factors not reviousl

included in SCR controlsuch as adsorption are

active features

Dual mode operation, NOxor NH3 slip setpoint,

adapts to changing

conditions during startup

MBC + fast & accurate combined measurement + dual mode set oint

© 2012, General Electric Company. Proprietary information. All rights reserved.

26* Trademark General Electric Company


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Emission To ics



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Start-Up and Shutdown Emissions

Gas Turbine NOx Emissions Across Load-

• Emissions rapidly change throughstart combustion modes

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100

Gas Turbine Load

• Operation an temperature ynamics

• Inherent variability and uncertainty

• Challenging to predict and measure

Rapid Response

With Purge CreditRapid ResponseLite L

O A DBenefits with Rapid Response

• Full load


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Particulate Matter (PM/PM10/PM2.5)

- Filterable and condensable

- Primar versus secondar

Ambient Air Standards

- . ,

- Develop baseline for ambient and sources

- Few offsets available

- Test methods (revised 2010)

Turbine Emissions

- True emissions – very low

- Test uncertainty/compliance risk

FlexEfficiency 60 Permitting


Typical data spread


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Permitting CO2 emissions

New Source Performance Standard

= 2

- 1000 lbs CO2/MW-hr Efficiency based standard

- 12 Month rolling average

Best Available Control Technology Evaluation

- Heat rate = CO2 Emissions

- A operat ng scenar os an con t ons Degra at on

- Technology choice

- –

- Testing complications

FlexEfficiency 60 Permitting



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Andrew Dicke GE Energy