NEW
1.8 MWe
(at
ISO conditions) Power
Plant
for sale
Contact Lane Kadel 503-239-5157
lane@rmaglobal.com
|
ST18 Base Ratings at ISO Conditions Natural Gas Fuel, Dry Operation: 18,900 Rpm |
||
|
Power Generation: 1,961 kW |
Thermal Efficiency: 30.2% |
Steam Production: 11,000 lb/hr @ 150 psig saturated |
|
Mechanical Drive: 2,629 shp |
Heat Rate: 11,715 Btu/kWh 8,515 Btu/shp-hr |
|
Contact Information:
Lane Kadel
Phone: (503) 239-5157 lane@rmaglobal.com
SCOPE OF SUPPLY
ST18 Electric Generation Package
Prices are quoted in 2001 US Dollars. $1,100,000.00
Basic Scope of Supply:
The following is noted as part of our offer:
1. Unit(s) are subject to prior sale. Gas turbine deliveries typically require a six month lead time after receipt of order or a limited notice to proceed. All unit deliveries are subject to further negotiation.
2. Unit(s) are quoted F.O.B. point of manufacture.
3. Offer is valid for 30 days from date of proposal.
4. All taxes, bonds, customs, duties, etc. are excluded from our quotation.
5. Equipment is warranted for a period of one (1) year from the date of start-up, or eighteen (18) months from the date of shipment, whichever occurs first.
6. Unit(s) are string-tested prior to shipment.
7. Customer Training and Technical Services during installation/commissioning are not included. Service(s) may be purchased at a per diem rate.
Basic Scope of Supply
The standard scope of supply for the ST18 Electric Generation Package comprises the following major equipment assemblies and services:
ONE ST18 ELECTRIC GENERATION PACKAGE including:
§ Pratt & Whitney Canada ST18 Industrial Gas Turbine equipped for natural gas fuel operation without water injection capability for NOx suppression
§ Reduction Gearbox and Coupling
§ Electric Generator – Direct Air Cooled, 60 Hz (see data sheet under: Estimated Performance) including:
- Exciter
- Neutral Grounding Resistor
- Terminal Box
a) Generator Differential Relay Protection CT’s
b) AVR CT (shipped loose for Customer installation)
c) Surge Arrestor Package (shipped loose for installation by Customer)
- Space Heater
- Nine Stator RTD’s (three per phase)
- Vibration Monitoring
- Bearing Drain Site Glasses
§ Lubrication Oil System for Gas Turbine, Gearbox and Generator
§ AC Motor Starting System
§ Inlet Filtration Air System and Silencer (Barrier Type Filters)
§ Gas Turbine/Generator Enclosure with Acoustic Protection
§ Fire Detection/Protection System for Gas Turbine/Generator Enclosure including:
- Main CO2 storage cylinders
- Detectors
- Control panel
§ Turbine Control System
§ AVR/synchronizing Panel
§ Finish painting of Gas Turbine/Generator package prior to shipment to Customer.
Basic Scope of Supply – Options
The following options for equipment and services can be offered and are not included as part of the standard scope of supply as described in the preceding sections.
Options for Equipment
GAS TURBINE OPTIONS
1. Natural Gas Only with water injection (1 pump)
2. Liquid Fuel Only (Dry)
3. Liquid Fuel Only with water injection (1 pump)
4. Dual Fuel with water injection (1pump)
5. Extra Pump for water injection system (2 pump total)
LUBRICATION OIL SYSTEM OPTIONS
1. Duplex Filters in lieu of standard simplex filters
WATER WASH CART
1. Supply of portable water wash cart for compressor cleaning
STARTING SYSTEM OPTIONS
1. Pneumatic Start System in lieu of AC starting system
2. Electro-hydraulic Start System in lieu of AC starting system
INLET AIR SYSTEM OPTIONS
1. Self Cleaning Air Filter (3 Stage) in lieu of barrier filter (excludes air compressor system and control)
2. Self Cleaning Air Filter (3 Stage) in lieu of barrier filter (includes air compressor system and control)
EXHAUST SYSTEM OPTIONS
1. Industrial grade exhaust stack (unsilenced) (21 ft)
GAS TURBINE/GENERATOR ENCLOSURE
1. Deletion of Standard Enclosure
2. Lightweight shell with Ventilation System (no acoustic protection provided)
FIRE DETECTION AND PROTECTION SYSTEM
1. Deletion of Gas Turbine/Generator Enclosure fire detection and protection system
TURBINE CONTROL SYSTEM OPTIONS
1. Supply of Remote Control Panel
2. Supply of TCS interconnecting cable (100 ft)
BATTERY SYSTEM FOR TURBINE CONTROL SYSTEM including:
§ 24V DC Batteries
§ Battery Charger
§ Inverter
§ UPS
§ DC Distribution Panel (to be located and installed by Customer)
Note: Customer must supply back-up power to AC driven lubrication oil pump
GENERATOR RELAY PROTECTION PANEL includes and as more specifically
defined by Single Line Diagram:
§ 25C, Sync. Check Relay
§ 27, Under Voltage Relay
§ 32, Reverse Power Relay
§ 51G, Generator Ground Overcurrent Relay
§ 51V, Generator Time Overcurrent Relay
§ 60, Voltage Balance Relay
§ 86, Lockout Relay
§ 87G, Generator Differential Relay
§ 87T, Transformer Differential Relay
MOTOR CONTROL CENTER FOR SUPPLIED COMPONENTS includes:
§ 480 VAC, 600 amp., 3 Phase, 3 Wire with Ground Bus
§ Main Circuit Breaker
§ All feeds for the ST18 Auxiliaries and Supplied Equipment
§ Metering, Current and Potential Transformers
5KV SWITCHGEAR
§ Vacuum or SF6 Type Generator Breaker
§ Current and Potential Transformer for Metering and Protective Relaying
CONTROL ROOM ENCLOSURE FOR SUPPLIED COMPONENTS includes:
§ Enclosure is sized to accommodate standard turbine control panel, synchronization panel, generator relay panel, generator breaker/switchgear, fire protection/detection panel, battery system inclusive of batteries, charger and panel, and motor control center
§ Enclosure is equipped with lighting, AC power receptacles, and air conditioning/heating unit
FUEL SYSTEM OPTIONS
1. Fuel Gas Regulating Valve (Utility Side)
2. Fuel Gas Metering
3. Fuel Gas Filtration (Duplex Filters)
4. Fuel Oil Metering
5. Fuel Oil Filtration Skid
INTERCONNECTING CABLE SYSTEMS OPTIONS
1. Supply of interconnecting cable supplied components standard equipment by Customer (excludes field installation hardware including provisions of conduit/cable trays, cable fasteners, electrical hardware, etc. required for proper installation)
INTERCONNECTING PIPING SYSTEMS OPTIONS
1. Supply of interconnecting piping by Customer
TOOLING-Supply of tools for turbine removal and re-installation
Estimated Performance
The following performance data is presented for planning purposes to show estimated
simple cycle performance of the ST18 Electric Generation Package. An estimate is also
provided to show the amount of steam that can be typically produced for cogeneration
applications.
|
Ambient Temp
(F) |
Fuel Type |
Fuel (lb/hr) |
Output (kW) |
Heat Rate
(Btu/kw-hr) |
GT Exhaust
Flow (lb/s) |
GT Exhaust
Temp. (F) |
Estimated
Steam Flow (lb/hr) |
|
0 |
Natural Gas Liquid Fuel |
1282 1388 |
2420 2365 |
10940 10885 |
20.46 20.34 |
932 933 |
11540 11340 |
|
59 |
Natural Gas Liquid Fuel |
1066 1142 |
1860 1780 |
11840 11900 |
17.48 17.17 |
991 996 |
10790 10550 |
|
100 |
Natural Gas Liquid Fuel |
917 979 |
1455 1380 |
13020 13160 |
15.21 14.89 |
1051 1056 |
10260 10000 |
Estimated
Emissions
|
|
Natural Gas |
Liquid Fuel |
||
|
|
(Dry) |
(Wet) |
(Dry) |
(Wet) |
|
NOx – ppm |
100 |
25 |
170 |
42 |
|
CO - ppm |
20 |
50 |
35 |
70 |
NOTES:
1.
Simple cycle performance data based on “dry” operating conditions,
water injection not included, sea level elevation, installed losses included.
2.
Output measured at generator terminals.
3.
Estimates for steam production based on “dry” operation conditions,
water injection not included, sea level elevation, typical installed losses
included for cogeneration applications, assumes steam to be produced at 150 psig
saturated.
4.
Fuels based specifications for Working Fluids with Lower Heating Values
of:
- Natural
Gas:
20650 BTU/lb (LHV)
- Liquid
Fuel:
18550 BTU/lb (LHV)
5.
Estimated emissions based upon a 59ºF
ambient. Wet emissions based on a
1:1 water to fuel ratio.
SYNCHRONOUS
GENERATOR DATA
|
|
kW |
2600 |
KVA |
3250 |
P.F. |
0.80 |
|
80ºC RISE |
VOLTS |
4160 |
AMPS |
451 |
RPM |
1800 |
|
REACTANCES |
PER UNIT ON |
3250 kVA BASE |
|
|
|
|
|
|
|
Direct Axis Synchronous |
(Unsaturated) |
Xd |
1.741 |
|
Direct Axis Transient |
(Rated Voltage) |
X’d |
0.231 |
|
Direct Axis Subtransient |
(Rated Voltage) |
X”d |
0.160 |
|
Quadrature Axis Synchronous |
(Unsaturated) |
Xq |
0.901 |
|
Quadrature Axis Subtransient |
(Rated Voltage) |
X”q |
0.205 |
|
Negative Sequence |
(Rated Voltage) |
X2 |
0.187 |
|
Zero Sequence |
(Rated Voltage) |
Xo |
0.066 |
|
Short Circuit Ration |
|
SCR |
0.684 |
|
TIME CONSTANTS |
|
|
|
Direct Axis Open Circuit Transient |
T’do |
4.240 Sec. |
|
Direct Axis Short Circuit Transient |
T’d |
0.563 Sec. |
|
Direct Axis Short Circuit Subtransient |
T”d |
0.030 Sec. |
|
Short Circuit Armature |
Ta |
0.061 Sec. |
|
RESISTANCES |
|
|
|
|
|
Armature (per phase at 25ºC) |
0.03152 Ohms |
|
Field (at 25ºC) |
0.560 Ohms |
|
Rotor Inertia |
2800 Lb-Ft2 |
|
EFFICIENCY |
|
|
|
|
|
Load |
Eff. At 0.80 P.F. |
|
4/4 |
96.5% |
|
3/4 |
96.3% |
|
1/2 |
95.5% |
Natural
Gas Fuel
ST18
Product Specifications
Natural Gas
Fuel Properties
|
PROPERTY |
MIN LIMIT |
MAX LIMIT |
TEST METHOD |
|
Net Calorific Value Btu/cu ft (MJ/m3) |
800 (29.8) |
1100 (41.0) |
ASTM D900 |
|
Specific Gravity |
0.57 |
0.62 |
ASTM D1070 |
|
Water Content lb/million cu ft (kg/million cu Meters) |
|
7.0 (112) |
ASTM D1142 |
|
Hydrocarbon Condensables and other Liquids lb/million cu ft (kg/million cu Meters) |
|
0.5 (8) |
See Note 3 |
|
Total Solids lb/million cu ft (kg/million cu Meters) |
|
0.08 (1.28) |
ASTM D1704 |
|
Hydrogen Sulphide, Mol % |
|
0.18 (See Note 4) |
See Note 3 |
|
Mercaptans, Mol % |
|
0.001 |
See Note 3 |
|
Particle size of solids |
|
3 microns |
|
|
Note
1.
All values to be reported at standard ISO conditions. Note 2.
Tests shall be carried out insofar as practical in accordance with
the listed ASTM Note 3.
Test method and procedure to be agreed upon between Customer and
vendor. Note 4.
A level of 0.18 Mol% max has shown no problems.
If higher levels are anticipated
consult P&WC for precautionary measures and comments. |
|||
Gas
Piping Interface Requirements
Interface requirements for natural gas fuel at the supply flange of the equipment
package are:
Design Pressure:
350 psig (24145 kPa)
Design Temperature:
-65ºF to 450ºF (-54ºC to 230ºC)
Design Flow:
1500 lb/hr (680 kg/hr)
Liquid Fuel
ST18 Product Specifications
Recommended
Liquid Fuels
The following liquid fuels can be used in the ST18 engine if the additional fuel property
requirements are satisfied.
(See following table for property requirements).
|
CATEGORY
A |
CATEGORY
B |
CATEGORY
C |
|
Light
virgin naptha and unleaded gasoline types Widecut
fuels of the JP-4 (MIL-T-5624) and Jet B (ASTM D1655) types |
JP-5
(MIL-T-5624) JET
A, A-1 (ASTM D1655) No.
1-D diesel fuel (ASTM D975) No.
1 fuel oil (ASTM D296) No.
1 GT gas turbine fuel oil (ASTM D2880) |
No.
2 diesel fuel (ASTM D975) No.
2 fuel oil (ASTM D396) No.
2 GT gas turbine fuel oil (ASTM D2880) Marine
diesel (MIL-F-16884) |
Liquid
Fuel Property Requirements
|
PROPERTY |
LIMIT |
|
Viscosity,
Cs at 40ºC (104ºF) |
3.5
max, 1.7 min |
|
Flash
Point, ºC (ºF) |
May
depend on legal limits and safety regulations |
|
Sediment,
% by volume |
<
6.34 mg/litre |
|
Free
water content |
<
0.01% by volume |
|
Carbon/Hydrogen
Ratio |
No
limit |
|
Sulfur,
% by weight |
0.4
max |
|
Ash,
% by mass |
0.005
max |
|
Metal
Contaminants, ppm by weight |
|
|
Vanadium (V) |
0.2
max |
|
Sodium (Na) + Potassium (K) |
0.2
max |
|
Calcium (Ca) |
0.1
max |
|
Lead (Pb) |
0.1
max |
|
Copper (Cu) |
0.02
max |
|
Category
A Fuel only |
|
|
Reid Vapor Pressure, lbs. |
12.5
max |
|
Lubricity |
Dependent
on pump characteristics |
|
Aromatic Content, % by volume |
25%
max |
|
Smoke Point |
20
mm min |
|
Category
B Fuel only |
|
|
Cloud Point, ºC (ºF) |
9.5ºC
(15ºF) below fuel temperature at pump inlet |
|
Aromatic Content, % by volume |
25%
max |
|
Smoke Point |
20%
max |
|
Category
C Fuel only |
|
|
Cloud Point, ºC (ºF) |
9.5ºC
(15ºF) below fuel temperature at pump inlet |
|
Carbon Residue (on 10% bottoms), % |
0.25%
max |
|
Aromatic Content, % by volume |
20%
max |
Liquid
Fuel Interface Requirements
Interface requirements for liquid fuel at the
supply flange of the equipment package are:
Maximum Fuel Flow:
16000 lb/hr (727 kg/hr)
Maximum Fuel Pressure:
950 psig (6545 kPa)*
Temperature Range:
-40ºF TO 175ºF (-40ºC to 79ºC)
*An
optional fuel oil forwarding/injection system can be provided
ST18
Product Specifications
Water used to suppress NOx emission levels, shall meet or exceed the following
requirements:
|
|
Limit |
Test
Method |
|
Sodium, ppm Silica, ppm Acidity, PH Particle size, microns Conductivity, Micromho/cm |
0.10 0.02 6.0-8.5 10.0 max 1.0 max |
ASTM-D1888 ASTM-D859 ASTM-D1293 |
Water
Injection Interface Requirements
Interface requirements for water at the supply
flange of the equipment package are:
Maximum Flow: 5 GPM (19 L/M)
Minimum Flow:
1 GPM (4 L/M)
Operating Pressure:
450 psig (4105 kPa)
Maximum Pressure:
500 psig (3450 kPa)
Water washing of the gas path components may be done with clean, clear, drinking
quality
water.
The oils listed below are fully
approved for use in the ST18 engine. Refer
to ST18 Maintenance Manual. This
list is for convenience only. If a
discrepancy exists between this list and the Maintenance Manual, the Maintenance
Manual takes precedence.
5 Centistoke Oils – PWA 521,
Type 1
§ Aero Shell Turbine Oil 500
§ Mobil Jet Oil II
§ Castrol 5000
§
Exxon Turbo Oil 2380
4 Centistoke Oils
§ Castrol 4000
5 Centistoke Oils – PWA, Type
II, (Third Generation)
The term “Third Generation” is one that oil companies use to describe turbine oils which they claim have superior thermal and oxidation stability when compared to Type II, 5 centistoke oils.
§ Aero Shell Turbine Oil 560 § Mobil Jet Oil 254
No other oils are
approved for use in ST18 and ST18A engines.
Should the use of an oil not listed be desired, contact manufacture for
consultation.
|
|
Item |
Estimated
Size (w
x l x h) (inches) |
Estimated
Weight (pounds) |
|
1) |
GT/Generator Skid with Enclosure
|
102
x 324 x 120 |
53,000
lbs. |
|
2) |
Neutral
Grounding Resistor |
38
x 38 x 32 |
325
lbs. |
|
3) |
Lube
Oil Cooler a)
Engine Oil Cooler b)
Reduction Gearbox Oil Cooler |
40
x 84 x 55 40
x 102 x 48 |
1,300
lbs. 1,450
lbs. |
|
4) |
Oil
Mist Eliminator |
30
x 31 x 78 |
600
lbs. |
|
5) |
AC
Motor Starting System |
12
x 10 x 20 |
55
lbs. |
|
6) |
Inlet
Filtration System with Ducting/Silencing |
102
x 190 x 83 |
5,000
lbs. |
|
7) |
Enclosure
Ventilation Equipment |
48
x 48 x 48 (2
Pallets) |
250
lbs. Each |
|
8) |
Exhaust
System a)
Expansion Joint b)
Diffuser c)
Hardware Kit |
12
dia x 39 40
dia x 80 12
x 12 x 24 |
300
lbs. 340
lbs. 100
lbs. |
|
9) |
Fire
Extinguishing Skid with Panel |
48
x 48 x 84 |
3,600
lbs. |
|
10) |
Turbine
Control System |
34
x 34 x 90 |
800
lbs. |
|
11) |
AVR/Synchronization
Panel |
36
x 12 x 48 |
300
lbs. |
|
12) |
Fuel
Oil Skid (optional) |
36
x 36 x 30 |
500
lbs. |
|
13)
|
Water
Injection Skid (optional) |
36
x 36 x 30 |
450
lbs. |
|
14) |
DC
System (optional) |
32
x 24 x 90 |
400
lbs. |
Notes:
1.
Shipping weights and sizes are estimated and may change with varying
scope options.
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