Whisper 500 (3.2 KW)

The most popular bulk power supply small wind turbine in the world, Whisper 500 was originally made Southwest Wind Power of USA and more than 10000 nos. of this machine have been installed all over the world. A large number of them are still working to the satisfaction of the owners.

A single Whisper 500 in a good windy area is enough to power a cluster of homes or a small sea side resort. A number of them coupled together (hundreds of Whisper 500 can be connected in parallel) can electrify an island community of 5000 persons or 900 small houses.

Luminous Renewable Energy now owns the global manufacturing and branding rights of Whisper 500 wind turbines.

Upgraded Technology:

  • Peak output increased to 3400 W from earlier 3200 W due to improved alternator design
  • Marine grade Whisper 500 has been developed by using special marine grade primer and powder coat, zinc coated fasteners changed to electroless nickel or nedox coating and shock absorber plunger changed to stainless steel. Machine is now salt spray test certified as per ASTM B 117 for 1000 hours.
  • Wind turbine controller now has built in data storage and display for voltage, current and power output as well as instantaneous and average wind speed. Monthly energy output vs wind speed average data displayed for 12 months. (Wind data will be available if compatible anemometer supplied by us is used)
  • The blades, now RTM molded with carbon fiber composite, can withstand greater wind load without much deflection.
  • Grid tie version is also available.


  • Applications:

    • Rural electrification
    • Water pumping model is also available (Whisper 500 with LRES pump controller can be connected to any 3 phase 3 hp to 5 hp submersible or surface water pump and can pump water from borewells of 200/300 ft. depth)
    • Military/Para Military camp power supply.
    • 230 V AC mains Grid tie (with interface controller & Grid tie inverter)
    • Roof top installation on high rise buildings
    • Form power and water supply
    • Ireland and lighthouse power supply


    • Turbine Specifications:

      Model Whisper 500
      Rotor Diameter 4.5 m
      Swept Area 15.89 m2
      Weight 80 kg ( Including blades and tail boom)
      Mount 127mm diameter Pipe Mounted
      Start-Up Wind Speed 3.1 m/s
      Rated  wind speed 12.5 m/s
      Alternator PM 3 Phase Alternator
      Alternator Efficiency 85 %
      Magnets Ceramic  magnets
      Insulation Class Class 'H'
      Voltage Configuration (L.V. Model) 24V/48 V Nominal
      Voltage Configuration (H.V. Model.) 96V/120V/240V Nominal
      Rated Power 3200 watt @ 12.5 m/s,800  R.P.M
      Number of Blades 2
      Material of Blades Carbon fiber composite ,fiber glass & Epoxy Bonding
      Material of Body Powder coated MS  with  marinization Treatment
      Survival Wind Speed 55 m/s
      Over-speed Protection Furling ,Dump Load & Manual Brake Switch
      Controller External Regulator
      Bearings Low Friction, totally enclosed self-lubricated
      Controller Output Voltage options :24 V,48V DC(LV)   96V,120V, 240VDC(HV)
      Rated Power : (3200 watts)
      Max. Lateral Thrust 400 KGF

       

      Instantaneous Wind Speed Annual Average Wind Speed

      Whisper 500 Controller

      The Whisper 500 charge controller is an intelligent Wind Charge Controller to provide the safest, secure and productive wind generator operation. The Controller mechanism includes the monitoring of various parameters like battery voltage, battery charging, load diversion, auto manual setting, cumulative kWh, etc. The controller is PWM (Pulse Width Modulation) type charge controller

      Specification

      • Well-suited for 24V / 48V / 96V / 120V / 240V
      • Clear alpha-numeric digital LCD screen with user selectable display options.
      • Equipped with advanced microcontroller based technology to provide easy access for monitoring and operation for the user.
      • Energy saving backlight option
      • Controller diverts extra energy to dumpload, when batteries are fully charged.
      • Battery over Voltage Protection.
      • A) Equipped with LCD display , with following features, - Displays battery voltage, battery charging current, kW and kWh reading, - battery UV and OV status, Instantaneous / monthly / average wind speed in m/s – if anemometer is ordered along with the controller. B) Supervisory Password Provision
      • Dimensions – Controller 250 mm (L) x 305 mm (W) x 135 mm (H), dumpload 200mm (L) x 250mm (W) x 120mm (H)

      Key Features:

      • Capacity 3200W 48V for Whisper 500. (other 24V/96V/120V/240V voltages also available)
      • Status monitoring of battery low & battery high – LCD display on front panel.
      • Status monitoring Liquid Crystal Display on the front panel, displaying various parameters
      • Modular construction for easy installation and dismantling.
      • Powder coated – corrosion proof sheet steel box.
      • Suitable for Rack mounting and the Wall mounting.
      • Lightning surge protective devices.
      • Operating ambient upto 52°C.


      • The Whisper controller is equipped with latest PWM (Pulse width modulation) technology to slowly lower the charging energy applied to the batteries as the batteries get closer to fully charged. This topology allows the batteries to be more uniformly charged with less stress on the battery, extending battery life. It also keeps the batteries in a fully charged state by adjusting pulse width (called float mode)



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