APPENDIX_A,_05-02-05.pdf
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- Solicitation number
- 70Z085-19-Q-P45C6200
About this file
This document contains technical specifications and diagrams for propulsion control system modifications on Coast Guard cutters. The solicitation seeks proposals to upgrade the propulsion control systems on 140-foot Coast Guard cutter vessels. Offerors should provide designs and equipment to modernize the diesel speed function generator, bus voltage controller, motor field reference generator, motor flux function generator, and power limiting functions based on the parameters and diagrams specified. The solicitation also requires integration and testing of upgraded components in the automatic and manual propulsion control modes. Proposals are due by August 15, 2019. The Coast Guard intends to award a firm-fixed price contract for the design, equipment, integration and factory acceptance testing for propulsion control modifications on multiple cutter vessels.
Appendix A, referenced in the Attachment 2 Specification
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Text version
Figure 3.3.1 Definition Chart
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
0 1 2 3 4 5 6 7 8 9 10
TIME
PR
O
PE
LL
ER
S
PE
ED
A
R M
A
TU
R E
VO
LT
A G
E
Rise Time, TR Rise time is defined as the time from when the throttle input changes to when the waveform reaches 0.9 of its final value.
Settling Time, TS is defined as the time from when the throttle input changes to when the response reaches, and stays within, 5% of its final value.
Percent Overshoot, %OS is defined as the amount that the waveform overshoots the steady-state or final value at the peak time, expressed as a percentage of the staedy-state value.
Percent Overshoot = (CMAX - CFINAL) X 100
C FINAL
TR
TS
CMAX
1.05Cfinal
0.95Cfinal
Cfinal
Throttle Input
TGarland
FIGURE 3.4.9.2 CENTER THROTTLE CONTROL CONSOLE.
FIGURE 3.2.1.1, DIESEL SPEED FUNCTION GENERATOR
(15, 428) y = 7.6727x + 312.91 y = 5.6267x + 343.6 y = 0.5333x + 420
0 10 20 30 40 50 60 70 80 90 100
THROTTLE COMMAND INPUT%
O U
TP
U
T R
PM
Slope 1a
Performance
Economy
Limit
FIGURE 3.2.1.2, BUS VOLTAGE FUNCTION GENERATOR
y = 7.0482x y = 18x - 900
0 10 20 30 40 50 60 70 80 90 100
Throttle Command Input %
G en er at or A rm at ur e
O ut pu t V ol ta ge
Linear (Slope 1)
Linear (Slope 2)
(82.18, 579.2)
900VDC
FIGURE 3.2.1.3, BUS VOLTAGE REFERENCE CONTROLLER
One Engine
0 200 400 600 800 1000 1200 1400 1600
Generator Armature Current Input (Amps)
O ut pu t V ol ta ge (D
C V ol ts
Bus Voltage
(1111, 900)
(1333, 750)
FIGURE 3.2.1.4, BUS VOLTAGE REFERENCE CONTROLLER
Two Engine
0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000
Generator Armature Current Input (Amps)
O ut pu t V ol ta ge (D
C V ol ts
Bus Voltage (2666, 750)
(2222, 900)
FIGURE 3.2.1.5, AUTO MOTOR FIELD REFERENCE GENERATOR ONE ENGINE OPERATION
(Current Mode)
55.6
(1111, 48.3)
(1154.3, 55.6)
48.3
45.0
47.0
49.0
51.0
53.0
55.0
57.0
0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600
Armature Current
Fi el d C ur re nt O ut pu t
One Engine I Mode
FIGURE 3.2.1.6, AUTO MOTOR FIELD REFERENCE GENERATOR TWO ENGINE OPERATION
(Current Mode)
51.8
(1111, 39)
(1154.3, 51.8)
39.0
35.0
37.0
39.0
41.0
43.0
45.0
47.0
49.0
51.0
53.0
55.0
0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600
Armature Current
Fi el d C ur re nt O ut pu
Two Engine I Mode
FIGURE 3.2.1.7, AUTO MOTOR FIELD REFERENCE GENERATOR ONE ENGINE OPERATION
(Voltage Mode)
52.3
(90.0, 48.3)
48.3
45.0
47.0
49.0
51.0
53.0
55.0
0 10 20 30 40 50 60 70 80 90 100
Throttle Input %
Fi el d C ur re nt O ut pu
One Engine V Mode
FIGURE 3.2.1.8, AUTO MOTOR FIELD REFERENCE GENERATOR TWO ENGINE OPERATION
(Voltage Mode)
43.0
(90.0, 39.0)39.0
37.0
38.0
39.0
40.0
41.0
42.0
43.0
44.0
0 10 20 30 40 50 60 70 80 90 100
Throttle Input %
Fi el d C ur re nt O ut pu
Two Engine V Mode
FIGURE 3.2.1.9, MOTOR FLUX FUNCTION GENERATOR
0 6 12 18 24 30 36 42 48 54 60
Motor Field Input (A)
O ut pu t (
A
Linear (SLOPE 2)
Linear (SLOPE 3)
Linear (SLOPE 4)
Linear (SLOPE 1)
(17.4,27.8) y = 27.8 y = 1.6x y = 0.8x + 16.68 y = 0.5x + 27.8
(20.9,33.6)
(37.1,46.3)
(55.6,55.6)
FIGURE 3.2.1.10, FORWARD GENERATING POWER LIMIT
1444.3 A 1444.3 A
0 100 200 300 400 500 600 700 800 900 1,000
Power (kW)
A rm at ur e C ur re nt (A
Slope 1
FORWARD GENERATING
FIGURE 3.2.1.11, REGENERATION, FORWARD REGENERATING POWER LIMIT
457.8 A
731.8 A
1005.9 A
183.8 A 183.8 A
1444.3 A
-200 -180 -160 -140 -120 -100 -80 -60 -40 -20 0
Power (kW)
A rm at ur e C ur re nt (A
Slope 1
Slope 2
Slope 3
FORWARD REGENERATING
y = 0.0331x + 5664.2
(-127387, 1444.3) 1444.3 A
(-165438, 183.8)
FIGURE 3.2.1.12, REGENERATION, REVERSE REGENERATING POWER LIMIT
-457.8 A
-731.8 A
-1005.9 A
-1279.9 A
-183.8 A
-229.0 A
-1444.3 A-1444.3 A
-1600
-1400
-1200
-1000
-800
-600
-400
-200
-200 -180 -160 -140 -120 -100 -80 -60 -40 -20 0
Power (kW)
A rm at ur e C ur re nt (A
Slope 1
Slope 2
Slope 3
REVERSE REGENERATING
y = -0.0331x - 5664.2
(-127387, 1444.3)
(-165438, FIGURE 3.2.1.13, REVERSE GENERATING POWER LIMIT
-1444.3 A-1444.3 A
-1600
-1400
-1200
-1000
-800
-600
-400
-200
0 100 200 300 400 500 600 700 800 900 1,000
Power (kW)
A rm at ur e C ur re nt (A
Slope 1
REVERSE GENERATING
| Equipment Block Diagram |
| Figure 3.1.6.1 Block Diagram |
| Automatic Mode |
| Figure 3.2.1 Auto Mode |
| Figure 3.2.1.1 Diesel Speed |
| Figure 3.2.1.2 Bus Voltage Function Generator |
| Figure 3.2.1.3 Bus Voltage Reference Controller1 |
| Figure 3.2.1.4 Bus Voltage Reference Controller2 |
| Figure 3.2.1.5 Auto Motor Field Reference Gen C1 |
| Figure 3.2.1.6 Auto Motor Field Reference Gen C2 |
| Figure 3.2.1.7 Auto Motor Field Reference Gen V1 |
| Figure 3.2.1.8 Auto Motor Field Reference Gen V2 |
| Figure 3.2.1.9 Motor Flux Function Generator |
| Figure 3.2.1.10 Power Limit Q1 |
| Figure 3.2.1.11 Power Limit Q2 |
| Figure 3.2.1.12 Power Limit Q3 |
| Figure 3.2.1.13 Power Limit Q4 |
| Manual Mode |
| Figure 3.2.2 Manual Mode |
| Automatic Generator, Manual Motor |
| Figure 3.2.3 Auto Gen, Man Motor |
| Armature Circuits |
| Figure 3.2.4.1 Armature Circuits |
| Propulsion Control Cabinets |
| Figure 3.4.2.1 PCC |
| Pilothouse Control Station |
| Figure 3.4.9.1 PHC Station |
| Figure 3.4.9.2 PHC Station |
Factory Acceptance Test
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