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./01 2/345 210678

9/5:06 ;

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Nearly all electricity is generated by a turbinegenerator - Spinning a coil of wire inside a

magnetic field

90% of Electricity Generation is ThermoelectricHeat -> Spin a turbine -> Spin Generator

Exceptions: ???

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~ 1500 Units

~ 500 Plants

~ 336 GW

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Coal Property,wt. %

Bituminous Sub-bituminous

Lignite

Carbon 63.75 50.3 36.27

Hydrogen 4.50 3.4 2.4

Nitrogen 1.25 0.7 0.7

Oxygen 6.88 13.6 10.8

Sulfur 2.51 0.2 0.6

Ash 9.70 4.5 17.9

Moisture 11.12 27.4 31.2

Higher heatingvalue, Btu/lb

11,666 8,800 6,310

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Generator

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1,000 -1,100oF

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Gas Turbine Peaking Plants 2168 units largest 250 MW

GE 7FA Turbine 255MW

800-900oF

2,200 2,400 F

Generator

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~30%

~70%

Can achieve 55 - 60%Thermal Efficiency

GE 7FA Turbine390 MW

in Combined Cycle

Rated 56.7% Eff.

(GE 7FB 58%)

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!" $%&'( )*&+,+-.& /+,0.1%234+,0 ., 56% *7%&52.&.58 9%&5+2 !%735%1 5+ /32:+, ;%+2 95235%

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! ("B! 205CDE1074 F0G45 H2FI! #"B! F45DE5J! KL

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! (

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Chemistry:4NO + 4NH3+ O2!4N2+ 6H2O

2NO2+ 4NH3+ O2!3N2+ 6H2O

NO + NO2+ 2NH3!2N2+ 3H2O

! Z84 /U D0701J87 7/ 0

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Chemistry:4NO + 4NH3+ O2!4N2+ 6H2O

2NO2+ 4NH3+ O2!3N2+ 6H2O

NO + NO2+ 2NH3!2N2+ 3H2O

! #.) 3

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! #"> H.5

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! %HR08I h .0#"AH8/1"

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! L18/ D0114: !1E4 *08g48E1TOE5

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! L18/ D0114: !1E4 *08g48E1TOE5

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! )4Q/P01 /U 2F @? 06: 2F >&\! 2F @? q W473446 @? 06: >&\ Q&\ q 8Q01145 7O06 >&\ Q

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! Z848 0 T5488E54 :5/T 06:D4675

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! Z848 0 845

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! %05R4 D1/7O W0R8 7O07 l17452F U5/Q kE4 R08

! S0DdVTE184 /U R08 /5Q4DO06

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! LDCP074: D05W/6=7JT

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! F45DE5J 06: L

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! 205C011J /B

! .540748 #J67O48

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! 2OJ8U5/Q kE4 R08 07 OT5488E54 54:ED48 D/QT5488

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