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Computer Controlled Wind Energy Unit

 
 
 

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DESCRIPTION

“EEEC”is a laboratory-scale unit designed to study the eolic energy and the influence of some factors on this generation.
The axial flux fan introduces air in the tunnel. The air speed sensor let us to measure air speed. It is possible to know, in real time, the value of voltage an current given by aerogenerator, measured before and after the regulator. We can measure the speed of the air, with a sensor placed in the tunnel, and also know the rotational speed of the aerogenerator (r.p.m.). There is one temperature probe before the rotor, in order to know the temperature for density calculation. This Computer Controlled Unit is supplied with the EDIBON  Computer Control System (SCADA), including: Control Interface Box + Data Acquisition Board + Computer Control and Data Acquisition Software, for controlling the process and the parameters involved.

 

SPECIFICATIONS

 

  • EEEC. Unit:

Anodized aluminium structure.
Main metallic elements in stainless steel.
Diagram in the front panel with similar distribution to the elements in the real unit.
Stainless steel tunnel of 2200 x 700 x 700 mm approx., which includes two transparent
windows of 1100 x 200 mm approx.
Aerogenerator of 6 blades, power: 60 W, aerogenerator diameter: 510mm.:
Starting air speed: 2.5 m/s.
Max. power 60W ( 25.7 m/s.).
Axial fan with speed variation for the wind simulation, computer controlled.
3 2800 r.p.m., Power: 0.37 kW. , flow : 5750 m /h., discharge speed: 15.81 m/s.
Sensors:
Temperature (“J” type) sensor, range: -40 to 750ºC.
Air speed sensor:
Turbulence air speed (instantaneous).
Mean speed.
Speed sensor (aerogenerator).
Voltage, current and power sensors: (before and after the regulator)
Instantaneous current.
Instantaneous voltage.
Instantaneous power.
Rms current.
Rms voltage .
Rms power.
Load regulator.
Loads module: variable load and fixed load.
OPTIONAL (not included in the standard supply):
EEEC-KIT. Kit of charge, conversion and consumption simulation:
Energy accumulation and voltages conversion:
2 Batteries.
Inverter.
Different loads:
DC loads: DC lamps of 12V. + Rheostat and DC motor of 24-36V.
AC loads: Lamps of 220V-240V, 50-60Hz, 9W, and Fan of 230V.

  • EEEC/CIB. Control Interface Box :

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 for -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. Simultaneously 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 placed in only one computer screen.
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. Real time computer control for pumps, compressors,
resistances, control valves, etc. Open control allowing modifications, at any time and in a real time , of
parameters involved in the process simultaneously.
Three safety levels, one mechanical in the unit, other electronic in control interface and the
third one in the control software.
DAB. Data Acquisition Board:
PCI Data acquisition board (National Instruments) to be placed in a computer slot. Bus PCI.
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)= 10V. Data
transfers=DMA, interrupts, programmed I/0.Number of DMA channels=6.
Analog output: Channels=2. Resolution=16 bits, 1 in 65536. Maximum output rate up to: 833 KS/s.
Output range(V)= 10V. Data transfers=DMA, interrupts, programmed I/0.
Digital Input/Output: Channels=24 inputs/outputs. D0 or DI Sample Clock frequency: 0 to 1 MHz.
Timing:Counter/timers=2. Resolution: Counter/timers: 32 bits.

  • EEEC/CCSOF.Computer Control+Data Acquisition+Data Management Software:

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 simultaneously 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 250,000 data per second guaranteed. Student calibration system for all
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 to the process and
modification of the conditions during the process.
Open software, allowing to 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 at different work
levels.
This unit allows that the 30 students of the classroom can visualize simultaneously all results and
manipulation of the unit, during the process, by using a projector.

  • Cables and Accessories, for normal operation.
  • Manuals: This unit is supplied with 8 manuals: Required Services, Assembly and Installation, Interface and

Control Software, Starting-up, Safety, Maintenance, Calibration & Practices Manuals.

 

REQUIRED SERVICES

  • Electrical supply: 220V/50Hz o 110/60Hz., single phase, 7 KW.
  • Computer (PC).

 

DIMENSIONS & WEIGHTS

  • EEEC unit : -Dimensions:2200x700x700 mm. approx.
  • Weight: 100 Kg. approx.
  • Control Interface Box: -Dimensions: 490x330x310 mm. approx.
  • Weight: 10 Kg. approx.
  • PLC Module (PLC-PI): -Dimensions: 490x330x310 mm. approx.
  • Weight: 30 Kg. approx.