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Romford, International, United Kingdom
|ELLIOTT MICROTURBINES TA-100 RCHP SYSTEM GENERAL DESCRIPTION
The Elliott Microturbines TA-100 is a 100 kW natural gas fueled, recuperated microturbine with a combined heat and power (CHP) system including a built-in gas boost compressor and hot water heat recovery unit.
The TA-100 has a rated net electrical power output of 100 kW at 0.8 power factor (PF) rated at ISO conditions 15°C, Sea Level. The TA-100 generates 172 kW (587,000 Btu/hour) of thermal energy. The overall noise rating is less than 75 dBA measured at a distance of three feet. The voltage output is 400 VAC at a frequency of 50 Hz and at 195 amps maximum. The standard output circuit is a three-wire delta.
The TA-100 has a single stage, centrifugal flow compressor made of rugged stainless steel with an approximate pressure ratio of 4:1.
The annular combustor is computer designed and flow bench tested to provide low exhaust emission of nitrous oxide (NOx) and carbon monoxide (CO) across a wide operating range while providing superior on-load and off-load stability as well as an unrestricted number of restarts.
Hot combustion gas expands through the super-alloy single-stage radial-flow turbine driving the compressor and alternator.
Electric power is generated through a permanent four-pole magnet alternator rotating within an oil-cooled stator tor assembly. The stator assembly is energized as a motor during initial start-up thereby reducing the need for auxiliary starting hardware.
The heat exchanger is an air-to-liquid tube and fin countercurrent flow design heated by the exhaust gas. The tube and fin materials have been selected to provide long life, maximum thermal energy recovery and allow for potable water applications. The outlet water temperature will be determined by inlet water temperature and the rate of water flow.
The system provides automatic control for the rectifier, inverter and grid protection.
The rectifier converts the high frequency 2267 Hz alternator output to 900 VDC for input to the inverter.
The engine controller provides fully automatic control and protection of the gas turbine while starting, stopping and running. When a start is initiated, the start inverter takes power from the 3-phase import/export cable to drive the alternator as a motor to start the gas turbine and control the start sequence.
The start sequence includes a purge timer, for clearing the turbine, recuperator, and water heat recovery of unburned fuel and combustion products, prior to ignition. Once the gas turbine is running, the start inverter is disconnected.
When a stop is initiated, the module will stop generating and shut down the engine. The stop sequence includes a purge timer, again to clear the turbine, recuperator, and water heat recovery of unburned fuel and combustion products.
|Width||33.5 inches (84 cm)|
|Height||83 inches (211 cm)|
|Length||120 inches (300 cm)|
|System Configuration Information|
|System Job Number||J9105|
|Engine Serial Number||03-L0038.100|
|Ermine Control P/N||1390005|
|Engine Control Logic Version||0.664|
|System Voltage Setting (volts)||4610|
|System Frequency Setting (h2)||60|
|Power Electronics P/N||BPS-120A|
|Power Electronics S/N||112|
|Combustor Liner P/N||800639|
|Combustor Liner S/N||24506604-000|
|Test Configuration Information|
|ATP Test Date|
|Engine Synchronous Speed (rpm)||69000|
|Oil Pressure Setting (PSIG)||55|
|Test Fuel Supply Pressure (PSIG)||80|
|Battery Voltage (volts)||27.0|
|Fuel High Heat Value HHV (BTU/SCF)||1036|
|Fuel Lower Heat Value LHF (BTU/SCF)||931.17|
|Fuel Density WFRHO (LB/SCF)||0.045|