(2) Mitsubishi Turbine Generators 32 mW each 64 mW total

Manufacturer

Mitsubishi Hitachi Power Systems (MHPS)

Mitsubishi Hitachi Power Systems (MHPS)

Model / Series

H-25 Series

H-25 Series

Unit Tag

GT1

GT2

Machine Type

Heavy-Duty Gas Turbine Generator Set

Heavy-Duty Gas Turbine Generator Set

Configuration

Simple Cycle GTG

Simple Cycle GTG

Gearbox

Hitachi reduction gearbox (confirmed)

Hitachi reduction gearbox (confirmed)

Installation Country

Japan

Japan

Serial Number

TBC

TBC

Year of Manufacture

TBC

TBC

Operating Hours (approx.)

~21,000 hrs

~21,000 hrs

Unit Status

Used / Ex-Service

Used / Ex-Service

ELECTRICAL SPECIFICATIONS

Rated Output (ISO, Simple Cycle)

~32 MW

~32 MW

Combined Output (GT1 + GT2)

64 MW  (2 x 32 MW)

Grid Frequency

60 Hz

60 Hz

Generator Terminal Voltage

13,800 V  (13.8 kV)

13,800 V  (13.8 kV)

Power Factor

~0.85 pf (typical)

~0.85 pf (typical)

Generator Speed

1,800 RPM

1,800 RPM

Turbine Speed

~7,250 RPM (via Hitachi gearbox)

~7,250 RPM (via Hitachi gearbox)

Phase / Connection

3-Phase, Synchronous

3-Phase, Synchronous

ISO Reference Conditions

15°C / 1,013 hPa / 60% RH

Simple Cycle Efficiency (approx.)

~34.8%  (LHV, natural gas)

Compressor Stages

17-stage axial flow compressor

Turbine Stages

3 impulse stages

Compressor Pressure Ratio

~16.5 : 1

Exhaust Gas Temperature

~540–550 °C

Exhaust Gas Mass Flow

~140 kg/s (approx.)

Combined Cycle Potential (each unit)

~60 MW with HRSG/ST  →  ~120 MW total (2 units CC)

NOx Emissions (DLN combustor)

≤25 ppm  (dry, natural gas)

Scope of supply

Gas Turbine Package

Yes – on-site

Yes – on-site

Hitachi Reduction Gearbox

Yes – labelled GT1-ガスタービン減速機

Yes – labelled GT2-ガスタービン減速機

Main Lube Oil Pumps (A+B)

Yes – dual pumps visible

Yes – dual pumps visible

Air Inlet Filtration System

Yes – visible on exterior

Yes – visible on exterior

Exhaust Stack / Silencer

Yes – visible on exterior

Yes – visible on exterior

Fuel Gas Control Valves

Yes – visible internally

Yes – visible internally

Control Compartment

Yes – T1 Control Compartment

Yes – T2 Control Compartment

Generator & Exciter

Yes (TBC detail)

Yes (TBC detail)

Step-Up Power Transformers

Yes – on-site (outdoor)

Yes – on-site (outdoor)

GT Enclosure / Building

Yes – weatherproof enclosure

Yes – weatherproof enclosure

CO2 Fire Suppression System

Yes – dedicated GT1 CO2 cabinet

Yes – manual activation GT2 panels

Ventilation / Blower System

Yes – visible on exterior

Yes – visible on exterior

Auxiliary Power Distribution

Yes – GT2-A TG panel visible

Yes – GT2-A TG panel visible

Operating History and condition

Approx. Operating Hours

~21,000 hrs

~21,000 hrs

Starts (approx.)

TBC from logbooks

TBC from logbooks

Last Major Inspection

TBC

TBC

Hot Gas Path Condition

TBC – records on request

TBC – records on request

Compressor Condition

TBC

TBC

Gearbox Condition

Hitachi – TBC

Hitachi – TBC

Generator Condition

TBC

TBC

Control System Status

Original OEM – TBC

Original OEM – TBC

Fuel System Condition

Gas control valves visible & intact

Gas control valves visible & intact

Fire Protection

CO2 system present & installed

CO2 system present & installed

Preservation / Storage

Indoor / covered – appears preserved

Indoor / covered – appears preserved

Documentation Available

Logbooks / O&M manuals (TBC)

Logbooks / O&M manuals (TBC)