38MW Fiat (Westinghouse) TG20 Gas Turbine Generators for Sale
2 units,  Dual Fuel,  50Hz.  10.5kV
Asking 2.2 million Euros Each

Two 37.8MW Fiat AVIO (Westinghouse) gas turbine generator sets and auxiliaries for sale.  As is where is, located in Europe.  Jeumont generator, 47.25MVA, 10.5kV, 0.8PF, 3000rpm.  Spare parts included.  Installed 1991.

Site survey on 9th April 2010

The two turbines are out of service and rotate on barring device.    GT1 was stopped on 3rd December 2008 with 134,271 total hour.  GT2 was stopped on 28th May 2009 with 135,027 total hours.  

Last Maintenances on turbines  
GT1 s/n 338:  

- major overhaul has been done at  97,790 hours (in August 2004) with rotor replacement  
- inspection of hot parts (PHPI) has been done at 127,503 hours (in August 2008)  

GT2 s/n 339:

- major overhaul has been done at 126,389 hours (in April 2008)
- inspection of hot parts (PHPI) at 134,000 hours (in April 2009)

 A) Control panels

1 -       Documentation and diagrams available

2-       Control panels have been disassembled and put on stock indoor

3-       MV panels unavailable, battery limits: generator terminals

4-       Manual electrical power control panel available. Parallel, power governing, cos fi (manual)

5-       Control panel (turbine control relays – there is no PLC)

6-       Generator protection panel

7-       Automatic parallel panel

8-       Panel “safety power” 110 V – 24 V battery + battery charger

9-       Inverter (cont – altern.)

10-    Firefighting control panel

 NB: The control panels are disassembled and put on storehouse. Graphical pages and controls are actually in Italian.

B) MCC

MCC panel engines 380volt for GT, excitation panel, protection panel, automatic electrical parallel control panel, gas turbine control panel (PLC and diagrams), conventional panel, safety power panel, enclosure complete with gas turbine auxiliaries (oil pumps, gas governing, and so on) are available. In Storehouse there are some spare parts before the beginning of the “global service”.

          Users 380 V

          Control 110 and 24 V (from 110 V)  

C) Generator – Jeumont

          Outside exciter

Generator of 47,25MVA of nominal power, 10,5KV of nominal voltage, I=2598°, nominal cosfi 0.8, frequency 50Hz., speed 3000rpm, U excitation 275volt, I excitation 667°

 D) Excitation panel, Protection panel, Control panel

Gas turbine package (FIAT AVIO)

E) Turbine  

-      Gas turbine, axial type, three expansion stages, integral with the compressor, named TG20 of Fiat Avio power max 39,6MW and speed ratio 4918/3000

-      Air flow 159 kg/sec

-      Turbine exhaust gas flow 167 kg/sec at 39,6MW

Turbine exhaust gas temperature at max 520°C

-      Air compressor at 18 stages with compression ratio 11/1

-      Static filters casing with channels

-      Exhaust flange

-      gas/gas train complete N.G: delivery pressure 18 bar

-      enclosure with fans, 3 compartments: firing diesel, generator, turbine + gearbox

-      gearbox 4918/3000

-      gas detection system, bottle CO2, firefighting (control to be redone)

-      water NOx abatement (150 mg NOx @ 15% O2 vol dry, 50 mg CO @ 15% O2 vol dry) (there is no electrical power panel with water e-pump control). Demi water e-pump Nox available

-      outside cooling air exchanger, turbine I° stage

 F) Auxiliaries  

-      oil cycle

·        hydraulic unit (enclosure)  

·        water oil cooling system 2x coolers ( 1 in stand-by)

·        starter (starting diesel)

·        compressor washing (on-line with tank and off-line with trolley)

·        diesel oil system unavailable

 G) Spare parts

2x turbines enclosure ventilation engines, 2x auxiliary enclosure ventilation engines, 1 starting oil pump engine, 1 emergency oil pump engine at 110volt c.c., 1 engine for barring device at 110volt c.c., 1 generator enclosure ventilation engine, 2 turbine oil smokes suction engine, 1 engine for duties air compressor,

Spare parts as per enclosed list

 - Special tool rotor (“half-moon”)

 H) Further information:

 - interlock diagrams included in the instruction manuals

- auxiliary plants included in the instruction manual

- Software in Italian

- Complete documentation  

TECHNICAL DATA  

Installation date of the plant (start)	: 1991
GAS TURBINE PACKAGE
Description	Technical Data and Scope of Supply
Turbine Manufacturer	FIAT  AVIO (Westinghouse license)
Turbine Type	TG20.B7.8U  (N°2)
Manufacturing date	1990
Power Rating ISO	37.8 MW
Efficiency	29%
Fuel composition	Natural gas 18 bar(g)  13.500 Sm3 /h  for each turbine
Assembly	In enclosure in axis
Sound	85 dB
Starting system	diesel
Emissions	CO = 10 mg / Nm3   NOx = 130 mg / nm3 control with H2O  (2 t/h)
	:
Main Gearbox
Manufacturer	GT1 BHS                           GT2 CITROEN
Manufacturing date	GT1 1982    (rev. 2004)           2005 (new)
l/min	4960 / 3000
Operation hours (hours to run)	32.000  and  24.000
Spare parts	CITROEN used and casing (without gears) BHS
Electrical generator
Manufacturer	Jeumont
Manufacturing date	1990
Developed power kVA	47.500
l/min	3.000
Hertz	50
Insulation class	F/B
Power factor	0,8
kW	37.800
Amps	2.598
Volts	10.500

 

Further technical data

 

Air flow	159 kg/sec
Turbine exhaust gas flow	164 kg/sec at 3000 l/min
Turbine exhaust gas flow	167 kg/sec at 39,6MW
Turbine exhaust gas temperature	max 520°C
Air compressor rating	Air compressor at 18 stages with compression ratio 11/1
Turbine rating	Gas turbine, axial type, three expansion stages, integral with the compressor, named TG20 of Fiat Avio power max 39,6MW Speed ratio 4918/3000
Generator rating	Generator of 47,25MVA of nominal power, 10,5KV of nominal voltage, I = 2598A, Nominal cosfi 0,8, frequency 50HZ, speed 3000 l/min U excitation 275volt, I excitation 667°.
Documentation	Complete copy “TURBINE INSTRUCTIONS TG20” delivered to Fiat Avio at the commissioning (1990)
List of engines to be fed	- nr. 2 turbine enclosure ventilation engines, - nr. 2 auxiliary enclosure ventilation engines, - nr. 1 starting oil pump engine, - nr. 1 emergency oil pump engine at 110volt c.c., - nr. 1 engine for barring device at 110volt c.c., - nr. 1 generator enclosure ventilation engine, - nr. 2 turbine oil smokes suction engines, - nr. 1 engine for duties air compressor.
Special tools for erection and maintenance	Existing and described at volume 1 of “TURBINE INSTRUCTIONS TG20”
Necessary water	Industrial water (river) with pressure from 1 to 1,5 bar and 750m3/h of flow for each turbine.
Weights different components	-      generator weight 73.844 kg (6820 x 2636 x 2620) -      turbine is disassembled in more parties and weights go from 1000 to 16000kg. -      The longest part is compressor turbine axis which measures 6.400 and weight 16.000kg. -      All enclosures and air filter cases are sectionable

 

 

Contact Milt Fyre    milt@rmaglobal.com

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