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

Pricing  

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 %