• 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.

• 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 19 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
• Measurement units- Air flow: CMM (m3/min), CFM (ft3/min)
• Dimension/Wt.- 156x67x28mm/ 260g

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/PAC 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
• Lamp load panel (EMT7) - 1 No.
• 230V/15/40/60/100W x 3 bulbs with individual ON/OFF using 6A toggle switches.
• AC voltmeter panel (EMT2) - 1 No.
• Voltage range : 300V OR 500VAC.
• 1 pole 4 way switch to select line voltage for three phase
• Rheostat for generator loading (600E/1A)- 1 No.

• To study characteristics of wind velocity and generator power.
• To analyze effect of pitching (blade angles) on performance of wind turbine.
• To study yawing due to change in direction of wind.
• To perform experiment to study working of inverter and calculate its efficiency.
• To study VI characteristics of wind turbine.
• To study working of MPPT charge controller.
• To study working of DC application (load).
• To perform experiment to study & plot IV/PV characteristics of wind generator on PC screen using VWB V11.x software using MPPT controller & graph window (Optional)
• To perform experiment to study MPPT charge controller (Optional)
• To identify cut in velocity of wind turbine.
• Optional PC interface - WET needs following additional panels & S/W: EMT8, ST8, CIP-II panels
• Instrumentation power supply cum multichannel DPM panel (EMT8)- 1 No.
• DC Multi Output power supply.
• Provides 1 Ph. AC supply through 3 MCB's, 4A each to power up other panels in the rack.
• Multi channel DPM for temperature display.
• 20 pin FRC power bus to supply power to neighboring
• Green shrouded socket provided to extend earth
• MPPT charge controller Panel (ST8)- 1 no
• 2 IGBT modules, 1st for charging control & 2nd for load ON/OFF
• 5 nos of analog outputs AI (0-2.5V) for RE voltage, RE current, Battery voltage, Irradiance measurement & Load/ battery voltage
• 2 nos of DAC inputs for PWM control and load ON/OFF
• Built in battery- 12V/7Ah, Type: Lead acid
• Computer interface Panel (CIP-II)- 1 no
• Connects to PC (Win7/8/10) USB port through USB IO module & type Ato mini B cable
• 8 ADC channels I/P: 0 to 2.5V FS with 1 no. input simulation pot. 2 DAC channels O/P 0-2.5V FS
• V to I function block: I/P 0 to 2.5V and O/P 0-20 or 4-20mA (100 ohm load) switch settable.
• I to V function block: I/P 4 to 20mAand O/P 0-2.5V
• USB converter to interface 25 pin D connector on CIP panel to USB enclosed in 25 pin D shell using type Ato mini B type cable
• Software on CD
• Virtual Workbench (VWB) software package is a USB based software working on windows .net platform coupled with USB IO module useful as general purpose S/W utility which supports different control strategies like , MPPT controller etc.
• Mechanical Dimensions (mm)/ Net Wt./Gross Wt. (Kg) Wind blower & Wind turbine: 500(W) x 1000(L) x 500(H)/ 35Kg/ 45Kg, Main rack: 545(H) x 960(W) x 300(D)/ 30Kg/ 40Kg