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GPB70D
GPB70DGPB70D Ideal for facilities requring reliable base load power ranging from 6 to 7 Mw's in areas requiring a "green" engine generator; providing low engine emissions. Ideal for use in cogeneration CHP applications, with thermal and electrical loads
The GPB70D includes Kawasaki's proven M7A-02 GT heavy duty industrial gas turbine engine that offers electrical efficiency of 30.2% and an overall cogeneration efficiency of 78%.  This engine utilizes Kawasaki's multi burner DLE  Dry Low Emissions combustion system and is tailored for use in areas requring reduced engine emissions to the environment in the 6 to 7 MW power range.  It is  ideal for use in:  Hospitals, universities,  institutions, high rise apartment buildings, office parks and shopping malls with district heating and cooling loads, Pharmaceuticals, subway / electric train systems, and other facilities with significant thermal and electrical loads.

The design of the GPB70D incorporates engine cold end generator drive which assures better RAM and greater durability. This unit enjoys reliability and availability ratings of 97 to 98%.  See our photo gallery for recent crane lift to building roof top installation in Manhattan NYC
A Closer Look
The GPB70D is ideal for use in areas requiring reduced engine emissions.  It is designed for us in cogeneration and:  Electric Utilities, Data Centers, process plants, Hospitals, universities, institutions, ethanol plants, high rise apartment buildings, office complexes, and shopping malls where  heating and cooling back end loads exist, pharmaceuticals, City subway and light rail systems, and other facilities with significant thermal and electrical loads.
  • Offers electrical efficiency of 32% and an overall CHP efficiency of 78%
  • Excellent overall heat rate
  • Design assures better RAM (reliability, availability, maintainability) and greater durability with 30,000HRS TBO (Time Between Overhauls)
  • Low NOx emissions of 15 to 25 ppm and CO emissions of 50 ppmv (O2=15%) - without the use of an SCR system
  • Split case design allows for ease of inspection and maintenance on site, minimizing costly downtime
  • Cold end drive optimized for higher unit reliability and reduced maintenance
  • Dual fuel capability allows flexibility buring either natural gas or liquid fuels
  • Offers less weight and a smaller foot print compared with comparable sized diesel gen sets.
  • Quite operation;  sound less than 85 dBA at 3 ft from unit
More GPB Series Gas Turbines
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CHP / Cogeneration Performance - US Customary Units (Switch To Metric)
Amb. Temp Electric Output Fuel Consumption Steam Production* Steam Production* Electrical Efficiency Recovery Efficiency Overall Efficiency
°F kWe MMBtu/hr lb/hr MMBtu/hr % % %
32 7,070 80.5 37,900 37.9 30.0 47.0 77.0
59 6,530 74.9 37,100 37.1 29.8 49.5 79.3
86 5,670 67.9 35,900 35.9 28.5 52.9 81.4
104 5,040 63.2 35,200 35.2 27.2 55.8 83.0

Gas Turbine Package Performance - US Customary Units (Switch To Metric)
Inlet Air Temp. Air Flow Electric Output Fuel Flow Exhaust Flow Exhaust Temp inlet air flow
F lb/sec kWs E lb/hr lb/s deg;F scfm
32 60.81 7,050 3,790 61.1 952 47,000
59 58.42 6,505 3,524 58.70 961 47,000
86 54.81 5,670 3,193 55.03 981 47,000
106 52.17 5,040 2,973 52.36 999 47,000


Fuel:
Performance above based on: Natural Gas  @ 905 BTU/scf, NOx Reduction: Dry Low Emissions, NOx: 25 ppm, CO: 50 ppm, VOC: 2.0 ppm  sea level site.

Note:
4/14" intake/exhaust pressure loss
DLE is available from 50-100% load
Sea level

Required gas fuel supply pressure: 300 psig

Dimensions :
English units  feet    34 ft L x 7 ft wide x 11,7 ft high

Metric units  meters    10.4 L x 2.0 W  x 3.6 H

Weight      59.4 tons ,  54,000 kgs

Standard Equipment
  • M7A-02 single-shaft gas turbine engine, cold end drive, with eleven compressor stages and forur-stage air-cooled turbine—cold end drive
  • Dry low emissions system
  • Reduction gearbox with gear driven main lube oil pump and turning motor
  • VFD soft start / motor start system
  • Indoor enclosure with maintenance doors, sound attenuated to 85 dBA, with lighting, ventilation, chain block and rail for maintenance
  • 4160 V air cooled open drip proof unit with sleeve type pressure lubricated bearings
  • Heavy-duty steel base-frame, primed and painted
  • Lube oil tank integrated into the base-frame with oil heater, lube oil filter and lube oil cooler
  • Fuel gas system with block and bleed valves
  • Fire and gas detection with CO2 suppression systems
  • State-of-the-art PLC control system - Allen Bradley
  • Exhaust gas expansion / flexible joint
  • Inlet air filter house with 3 stage static depth loading Viledon filters
  • Water wash cart for engine compressor cleaning
  • Engine removal I beam with moving trolley and chain lift
Special Features
  • Proven Heavy Duty Industrial Design
  • Option: HRSG system with duct work and by pass stack and exhaust diverter valve
  • Option: Step Down transformer for aux loads
  • Dry Low Emissions
  • Proven Reliability
  • Low Maintenance
  • Option: pre-wired extended skid with major electrical componenets mounted:, inlcudes, 52G output breaker, MCC;s, VFD, batteries and charger, auto synch system, fire and gas detection systems, etc.
  • Option: Fuel gas booster compressor. KGTA offers both reciprocation and screw type booster gas compressors.
  • Option: Dual fuel system for burning either natural gas or liquid fuels.
  • Option; Inlet air chilling for increased turbine output.
  • Option: Gas Fuel knock out filter skid - with either simplex or duplex skid mounted Indufil filtering systems
  • Option: NI Cad battery backup system
  • Option: Varied generator voltages to 13,800 Volts
  • Option: Exhaust end steam system, including: Duct work, diverter valve, HRSG, FW pump skid, DA FW heater, and stack
  • Option: Self cleaning- air pulse inlet air filter system
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