ATENG 12905 — Computer Controlled Two -Shaft Gas Turbine
(for main items)
- With this unit there are several options and possibilities:
- Main items: 1, 2, 3, 4, 5 and 6.
- Optional items: 7, 8 and 9.
- Let us describe first the main items (1 to 6):
- 1TGDEC. Unit:
Anodized aluminum frame and panels made of painted steel.
The unit includes wheels to facilitate its mobility.
Main metallic elements made of stainless steel.
Diagram in the front panel with distribution of the elements similar to the
real one.
Using this unit, the operation of a two shaft gas turbine system for electric
generation can be study and investigate.
- High Pressure Turbine, that it is the Gas Generative Turbine. It consists of:
Radial compressor.
Tubular type combustion chamber.
Expansion turbine.
- Operation speed range: 70000 – 90000 rpm.
- Max. compression ratio: 2:1.
- Max. fuel consumption: 20 Kg/hour.
- Low Pressure Turbine (Power Turbine):
- Speed range: 15000 – 25000 rpm.
- Electrical power, measurement range: 0 – 500 W.
- Asynchronous (motor) generator, computer controlled; speed range: 1500
- 3000 rpm. Power: 1.5 kW.
Power turbine connection and generator by means of adjustable belt drive.
Start fan, driven by an electrical motor, for starting the turbine and gas
sweep. This fan is automatically computer controlled and it is used to
- refrigerate. Unit: ATENG 12905
Aspiration muffler.
- Line of fuel gas, consists of:
Valve to open or to close the feeding.
Pressure regulation valve.
- Flow sensor, range: 12 - 80 l/min.
Solenoid valve, automatically computer controlled.
Gas injector.
Computer controlled proportional solenoid valve to control fuel flow.
Spark plug, automatically computer controlled, powered by an ignition transformer.
Ionization electrode, automatically computer controlled, to detect that the flame is ignited, as security
system.
- Lubrication system, consists of:
Oil tank of 5 l.
Gear pump, automatically computer controlled, to impulse the oil to the bearings of both turbine
shafts.
Filtration unit.
Two valves for regulating the oil feed to the turbine.
Plate heat exchanger to cool the oil leaving the turbines.
Tubular heat exchanger to cool the oil entering the turbines.
Water supply connections.
Exhaust gas outlet and exhaust muffler.
Adjustable electrical resistance (Resistance 1000 W, 40 Ohm) as a charging element.
- Sensors and instrumentation:
- Eight temperature sensors, “K” type, placed in the different process stages (temperature range: 0 –
- 1100 °C):
Temperature of the inlet air to the compressor.
Temperature of the inlet air to the combustion chamber.
Temperature of the inlet gases to the gas generative turbine.
Temperature of the inlet gases to power turbine.
Temperature of the exhaust gases.
Temperature of the bearing lubrication oil.
Temperature of the inlet refrigeration water.
Temperature of the outlet refrigeration water.
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Complete Technical Specifications (for main items)
- Two speed sensors to measure the rpm of each turbine, measurement range: 0 – 200000 rpm.
- Five pressure sensors, for measuring:
- Fuel (propane gas) pressure at the combustion chamber inlet, range: 0 – 2 bar.
- Pressure in the combustion chamber, range: 0 – 2 bar.
- Pressure at the turbine outlet, range: 0 – 2 bar.
- Compressor outlet, range: 0 – 2 bar.
- Compressor inlet, range: 0 – 100 mbar.
- Three flow sensors:
- Inlet air, range: 0 – 3000 m³/h.
- Outlet gases, range: 0 – 3000 m³/h.
- Fuel gas, range: 12 - 80 l/min.
Force sensor (load cell) of the generator.
- Four manometers, range: 0 – 2 bar.
Three pressure switches to control air and oil circuits.
ATEX flowmeter for measuring the gas consumption at any moment.
Current and voltage generated measurement.
- Handling box with PLC, which includes:
Front panel with LEDs indicating the unit status.
Oil temperature control display.
Safety system to prevent faults.
Operation with propane.
- The complete unit includes as well:
Advanced Real-Time SCADA.
Open Control + Multicontrol + Real-Time Control.
Specialized Control Software based on LabVIEW.
National Instruments Data Acquisition board (250 KS/s, kilo samples per second).
Calibration exercises, which are included, teach the user how to calibrate a sensor and the
importance of checking the accuracy of the sensors before taking measurements.
Projector and/or electronic whiteboard compatibility allows the unit to be explained and
demonstrated to an entire class at one time.
Capable of doing applied research, real industrial simulation, training courses, etc.
Remote operation and control by the user, as well as remote support from technical
support, are always included.
Totally safe, utilizing 4 safety systems (Mechanical, Electrical, Electronic & Software).
Designed and manufactured under several quality standards.
Optional ICAI software to create, edit and carry out practical exercises, tests, exams,
calculations, etc. Apart from monitoring user's knowledge and progress reached.
This unit has been designed for future expansion and integration. A common expansion is
the Scada-Net (ESN) System which enables multiple students to simultaneously
operate many units in a network.
- TGDEC/CIB. Control Interface Box:
The Control Interface Box is part of the SCADA system.
Control interface box with process diagram in the front panel and with the same distribution that
the different elements located in the unit, for an easy understanding by the student.
- All sensors, with their respective signals, are properly manipulated from -10V. to +10V. computer output.
Sensors connectors in the interface have different pines numbers (from 2 to 16), to avoid
connection errors.
Single cable between the control interface box and computer.
The unit control elements are permanently computer controlled, without necessity of
changes or connections during the whole process test procedure.
Simultaneous visualization in the computer of all parameters involved in the process.
Calibration of all sensors involved in the process.
Real time curves representation about system responses.
Storage of all the process data and results in a file.
Graphic representation, in real time, of all the process/system responses.
All the actuators’ values can be changed at any time from the keyboard allowing the
analysis about curves and responses of the whole process.
All the actuators and sensors values and their responses are displayed on only one screen in the
computer.
Shield and filtered signals to avoid external interferences.
Real time computer control with flexibility of modifications from the computer keyboard
of the parameters, at any moment during the process. TGDEC/CIB
Real time computer control for pumps, compressors, heating elements, control valves, etc.
Real time computer control for parameters involved in the process simultaneously.
Open control allowing modifications, at any moment and in real time, of parameters involved in the
process simultaneously.
Three safety levels, one mechanical in the unit, another electronic in the control interface and
the third one in the control software.
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Complete Technical Specifications (for main items)
- 3 DAB. Data Acquisition Board:
The Data Acquisition board is part of the SCADA system.
PCI Express Data acquisition board (National Instruments) to be placed in a computer slot. Bus
PCI Express.
- Analog input:
Number of channels= 16 single-ended or 8 differential. Resolution=16 bits, 1 in 65536.
- Sampling rate up to: 250 KS/s (kilo samples per second).
- Input range (V)=±10 V. Data transfers=DMA, interrupts, programmed I/0. DMA channels=6.
- Analog output:
Number of channels=2. Resolution=16 bits, 1 in 65536.
- Maximum output rate up to: 900 KS/s.
- Output range (V)=±10 V. Data transfers=DMA, interrupts, programmed I/0. DAB
- Digital Input/Output:
- Number of channels=24 inputs/outputs. D0 or DI Sample Clock frequency: 0 to 100 MHz.
- Timing: Number of Counter/timers=4. Resolution: Counter/timers: 32 bits.
The Data Acquisition board model may change at any moment, providing the same or better
features than those required for the unit.
- 4 TGDEC/CCSOF. Computer Control + Data Acquisition + Data Management Software:
The three softwares are part of the SCADA system.
Compatible with actual Windows operating systems. Graphic and intuitive simulation of the process in
screen. Compatible with the industry standards.
Registration and visualization of all process variables in an automatic and simultaneous way.
Flexible, open and multicontrol software, developed with actual windows graphic systems,
acting simultaneously on all process parameters.
Management, processing, comparison and storage of data.
Sampling velocity up to 250 KS/s (kilo samples per second).
Calibration system for the sensors involved in the process.
It allows the registration of the alarms state and the graphic representation in real time.
Comparative analysis of the obtained data, after the process and modification of the conditions
during the process.
Open software, allowing the teacher to modify texts, instructions. Teacher’s and
student’s passwords to facilitate the teacher’s control on the student, and allowing the access
to different work levels.
TGDEC/CCSOF
This unit allows the 30 students of the classroom to visualize simultaneously all the results
and the manipulation of the unit, during the process, by using a projector or an electronic
whiteboard.
5 Cables and Accessories, for normal operation.
- 6Manuals:
- This unit is supplied with 8 manuals: Required services, Assembly and Installation, Interface and
Control software, Starting-up, Safety, Maintenance, Calibration & Practices manuals.
- References 1 to 6 are the main items: ATENG 12905 + TGDEC/CIB + DAB + TGDEC/CCSOF + Cables and Accessories + Manuals are
included in the minimum supply for enabling normal and full operation.
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