SOLAR GAS TURBINE - Mechanical Drive
Model
Power (HP)
Power (MW)
Efficiency (%)
Saturn 20
1,590
1.2
25
Centaur 40
4,700
3.5
28
Centaur 50
6,130
4.6
29
Taurus 60
7,700
5.7
30
Taurus 70
10,915
8.1
34
Mars 90
13,220
9.9
32
Mars 100
15,900
11.9
32
Titan 120
20,500
15.3
35
Titan 250
30,000
22.4
40


MAN TURBO - Mechanical Drive
Model
Power (HP)
Power (MW)
Efficiency (%)
MGT 6200
9,254
6.9
34
THM 1304-10N
14,081
10.5
30.4
THM 1304-12N
16,090
12
31


WAUKESHA GAS RECIPROCATING ENGINES
Model
Power (HP)
Power (MW)
Efficiency (%)
P9390GSI
1,980
1.5
33
P48 GL
1,065
0.8
37
AT 27 GL
3,130
2.3
38


ELECTRIC MOTOR EFFICIENCY GUIDELINE
Model
Power (kW)
Efficiency (%)
Small Electric Motor
3
80
Large Electric Motor
> 300
94
Large Electric Motor - VSD
> 300

91

TYPICAL DRIVEN EQUIPMENT PERFORMANCE
GAS COMPRESSORS
OPERATING EFFICIENCY
Centrifugal
70%
Screw
75%
Reciprocating
80%
PUMPS

Centrifugal
65%
Reciprocating
85%
Rotary
75%

TYPICAL TURNDOWN PERFORMANCE
LOAD
100%
75%
50%
40%
Efficiency of Gas Turbine (3MW)
28%
26%
21%
18%
Efficiency of Gas Recip Engine (2MW)
38%
36%
32%
30%
Motor (300kW)
94%
94%
93%
92%

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