SALIENT FEATURES

• Table top wind tunnel with side/ top covers having transparent viewing window & protection cage to facilitate identification of components of windmill.
• 3 phase motor with axial fan blades as blower to simulate variable wind.
• VFD to control speed of motor/ blower with continuously variable speed to set wind speed.
• Renewable energy basics, energy conservation, charge controller, storage system & invertor etc.
• Converting kinetic wind energy into electrical energy in laboratory using BLDC generator.
• 500mm cuboid using aluminium profile, 2 such racks connected each other to form wind tunnel containing wind blower and wind turbine.
• Pitching and yawing provision provided. Wind turbine mounted on Pillar with bearing to facilitate yawing.
• Optional PC interface.

TECHNICAL SPECIFICATIONS
A) Wind turbine & Wind blower
Consist of table top wind tunnel made of two numbers of 30x30mm aluminium profile cuboid (500mm) rack with perforated aluminium protection cage and holding wind blower & wind turbine

• Wind turbine - 1 No.
  • O/P wattage- 100W
  • O/P voltage- 75V
  • O/P current- 2A
  • Blade dia. 550mm x 6 nos.
  • Nut and screw arrangement for pitching
  • Mounted on rotating table to facilitate yawning, tail length=250mm
• Wind blower - 1 No.
  • 3 phase 4 pole induction motor with 19f shaft
  • Rated star 415VAC & Delta 230VAC, 1HP, 50Hz, 1450 RPM
  • Blade dia. 550mm x 6 nos.
• Wind blower panel (RE1) - 1 No.
  • Motor input terminals terminated on shrouded sockets
• Wind generator panel (RE2) - 1 No.
  • Generator output terminals terminated on shrouded sockets
  • Diode bridge (1000V/35A)- 2 Nos.
  • Digital anemometer- 1 No.
  • Anemometer to measure air flow with digital display (0.5”, 4 digit LCD)
  • Measurement units- Air velocity: m/s, km/h, ft/min, knots 3 3
  • Measurement units- Air flow: CMM (m /min), CFM (ft /min)
  • Dimension/Wt.- 156x67x28mm/ 260g

B) Main rack/ Control unit
Consists of table top aluminium profile (45x45) strudy modular flat demo panel rack (4x3 matrix) system, holding various panels as below

• Single phase supply panel (EMT16A) - 1 No.
  • Single phase MCBs of 10A
  • Lamp load
• IGBT controlled AC drive panel (EMT33) - 1 No.
  • Input voltage: 230VAC, 50Hz
  • Output voltage: 3 phase 200 to 230VAC
  • Range (frequency control): 0.1Hz to 100Hz (50Hz factory set)
  • Control mode: Sine wave PWM
  • Capacity: 2HP with reverse and forward direction
• DC Application panel (ST3)- 1 no
  • 12V LED lamp/ LED strip and fan.
• Charge controller Panel (ST4) - 1 No.
  • Rated voltage- 24Vdc, Max current- 6A
  • Max generator voltage-25V
  • Min generator voltage-20V
  • Battery Capacity- 7Ah
  • Battery rated voltage- 12V
  • Battery type- Lead acid
• Stand- alone Inverter panel (ST5) - 1 No.
  • I/P DC voltage-10-15Vdc, O/P AC voltage- 2 30Vac
  • O/P power rating- 210VA / 500VA
• DC voltmeter & DC ammeter panel (EMT68) - 2 Nos.
  • DC voltmeter (0-50V)
  • DC ammeter (0-5A) with polarity protection diode.
• AC voltmeter & AC ammeter panel (EMT6)- 1 No.
  • Voltmeter: 300V, Ammeter: 0.5A