MIL-HDBK-1003/7
21.6.3
Power to Heat Ratio................................268
21.6.4
Economic Variables.................................269
21.6.5
Economic Evaluation................................269
FIGURES
Figure
1
Typical Steam and Electric Load Curves...............6
2
Typical Load Duration Curve--All Export Steam
from Power Plant...................................7
3
Typical Load Duration Curve--Portion of Export
Steam on Central Heating Plant.....................8
4
Typical Load Duration Curve--Load Priority ..........9
5
Typical Load Duration Curve--All Power Purchased....19
6
Typical Extraction Condensing Cycle.................20
7
Typical Back Pressure Cycle.........................21
8
Typical Automatic Extraction Condensing Cycle.......22
9
Typical Extraction Condensing Cycle Heat Balance....23
10
Pulverizer - Burner Coordination Curves.............36
11
Typical Uncontrolled Extraction - Condensing Cycle..45
12
Typical Controlled Extraction - Condensing Cycle....46
13
Typical Back Pressure Cycle.........................47
14
Typical Topping Cycle...............................48
Page
15
Typical Small 2-Unit Power Plant (Less than 5 MW)
Condenser on Same Level as Turbine................51
16
Typical 2-Unit Power Plant Condenser Below
Turbine...........................................52
17
Critical Turbine Room Bay Clearances................53
18
Turbine Efficiency vs. Capacities...................58
19
Typical Automatic Extraction Cycle..................62
20
Oil Purification System with Centrifuge.............68
21
Oil Purification System with Multistage Conditioner.69
22
Station Connections, 2-Unit Stations Common
Bus Arrangement...................................81
23
Station Connections, 2-Unit Stations, Unit
Arrangement Generation at Distribution Voltage....83
24
Station Connections, 2-Unit Stations, Unit
Arrangement Distribution Voltage Higher than
Generation........................................84
25
One-Line Diagram Typical Station Service Power
Systems...........................................85
26
Typical Synchronizing Bus...........................91
27
Typical Main and Transfer Bus.......................93
28
Typical Ring Bus....................................94
29
Typical Breaker and a Half Bus......................95
30
Heat Transfer Through Condenser Tubes..............104
31
Galvanic Series of Metals and Alloys in
Flowing Seawater.................................110
32
Typical Steam Plant Flow Diagram...................115
33
Deaerator Functions................................119
34
Typical Pressure Reducing and
Desuperheating Stations..........................121
35
Typical Auxiliary Cooling Water Station............123
36
Arrangement of Continuous Bucket Ladder for
Unloading Barges.................................126
37
Typical Combustion Control System..................135
38
Electro-Hydraulic Control System...................143
39
Typical Control Loops..............................146
40
Typical Controls...................................151
xvii
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