Ayen Ostim Combined Cycle Natural Gas

Ayen Ostim Combined Cycle Natural Gas

AYEN Ostim Natural Gas Plant is a 41MW Natural Gas Plant Project built and operated by our subsidiary, Ayen Ostim Enerji Uretim A.S., in order to meet the power demand in the Ostim Organized Industry Area.

 

GUARANTEED SPECIFICATIONS OF POWER PLANT

A- AYEN-OSTIM POWER PLANT’S GUARANTEED SPECIFICATIONS

(Gas Turbine operating at 100% capacity and at site conditions)

Guaranteed net generation

:

34,455 kw

Gross generation under ISO conditions

:

40,967 kw

Net guaranteed heat consumption

:

7,213 kj/kwh

Power factor

:

0.8

B- GUARANTEED FUEL GAS EMISSION VALUES AS PER ENVIRONMENTAL REQUIREMENTS

Nox

:

25 ppm

Co

:

15 ppm

Fuel gas temperature

:

508 ºC

Feed water temperature

:

40 ºC

TECHNICAL SPECIFICATIONS OF POWER PLANT

A- GAS TURBINE

Manufacturer

:

GENERAL ELECTRIC – USA

Type

:

LM 2500 + DLE Aero derivative Gas Turbine

Power

:

Up to 31,077 KW under site conditions (Gen. Ter.)

Turbine exhaust temperature

:

508 ºC

Heat consumption (net)

:

9568 kj/kwh

efficiency

:

37.62%

Burner

:

75 nozzles

COMPRESSOR

Number of steps

:

17

Pressure rate

:

19

GT GENERATOR

Manufacturer

:

Brush Electrical Machines (UK)

Nominal Power

:

47,500 KVA

Output voltage

:

10,500 Volt

Frequency

:

50 Hz

Number of cycle

:

1500 d/d

Number of poles

:

4

Power factor

:

0.80

Cooling system

:

Air cooling

B- HEAT RECOVERY BOILER

Manufacturer

:

AALBORG ENGINEERING DENMARK

Type

:

Double pass

YB/AB steam flow rate

:

30 / 6,8 ton/hour

YB/AB Steam pressure

:

56 / 5,5 bar

YB/AB Steam temperature

:

480 / 260 ºC

Feed water temperature

:

40 ºC

Fuel gas temperature

:

105 ºC

C- STEAM TURBINE

Type

:

Low pressure condenser with water cooling

Manufacturer

:

THERMODYN France

Output power

:

9155 kw (generator terminal)

YB/AB Steam output

:

28,8 / 6,77 ton/hour

YB/AB Steam pressure

:

55 / 4,5 bar

YB/AB Steam temperature

:

460 / 258 ºC

Exhaust pressure

:

0,069 bar (abs)

CONDENSER

Pressure

:

0,069 bar abs.

Cooling water inlet temperature

:

25 ºC

Cooling water outlet temperature

:

33 ºC

Cooling water flow rate

:

2 x 1224=2448 m³ / hour

Condenser pumping capacity

:

2 x 40 ton/hour

BT GENERATOR

Manufacturer

:

Brush Electrical Machines (UK)

Nominal power

:

11940 KVA

Output voltage

:

10 500 Volt

Shaft rate

:

1500 d/min.

Number of poles

:

4

Power factor

:

0.80

Cooling system

:

Air cooling

D- COOLING WATER SYSTEM

Type

:

Forced-feed

Cooling tower

:

1

Manufacturer

:

Cenk, Turkey

Circulation water rate

:

2638 ton/hour

Circulation water pumps

:

3 pumps with 50% capacity

Cooling load (tower)

:

20,000,000 kcal/hour

Pump capacity

:

3 x 1224 ton/hour

Ambient temperature

:

15 ºC

Cooling water outlet temperature

:

25 ºC

Cooling water return temperature

:

33 ºC

E- ANCILLARY COOLING WATER SYSTEMS

Cooling Radiators

:

2

Cooling water inlet temperature

:

25 ºC

Cooling water outlet temperature

:

33 ºC

Cooling water pumps

:

2

Capacity of pumps

:

2 x 195 ton/hour

F- TRANSFORMERS

Main Transformers

GAS TURBINE TRANSFORMER

:

1

Type

:

External, Oil-cooled

Manufacturer

:

Best / Balıkesir

Power

:

36 MVA

Voltage level

:

10,5 / 34,5 (+/- 2 x 2,5%) kV

STEAM TURBINE TRANSFORMER

 

1

Type

 

External, Oil-cooled

Manufacturer

 

Best / Balıkesir

Power

 

12,0 MVA

Voltage level

 

10.5 / 34.5 (+/- 2 x 2.5%) kV

INTERNAL TRANSFORMER

Type

 

External, Oil-cooled

Manufacturer

 

Best / Balıkesir

Power

 

1600 MVA

Voltage level

 

34.5 / 0.4 kV