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Solar VFD-based Solutions for Pump and Motor Loads

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  • Solar VFD-based Solutions for Pump and Motor Loads

    Kb Electronics has introduced a new solar VFd based Solutions for pump and motor loads. All industries today face the issue of surge loads due to pumps and motors. Kb Electronics VFD solutions eliminate surge loads and provide clean energy from the sun to power the pumps and motors.

    An array of solar panels connected in series and parallel configuration generates the power and voltage required for the VFD (Variable Frequency Drive) Controller to drive the motor. The DC to AC frequency converter in the solar drive converts the Dc voltage input to the drive to variable 3-phase AC voltage and frequency.

    the MPPT algorithm extracts maximum power available from the solar panel during the day and operates the motor at variable speed based on the power input to the drive. As the sunshine varies during the day,power input to the drive varies and the VFD drive generates variable V/F ratio thus controlling the speed of the motor,which in turn regulates the pump impeller speed.

    For Pumps and Motor applications that require constant speed, the solar controller has been designed to accept both the Solar DC input and also the AC input from the grid. In a situation where in the power from the solar Array is not completely sufficient to provide a stable power output to the motor,the controller monitors the same and the preferential logic built in the controller allows the solar energy on priority and the allows the balance power to be supplied by the GRID or DG. This hybrid system helps in reducing the power consumption from the grid during the day. A minimum of 70% Grid energy can be saved during the day.

    During power cut situation, proportional power delivery from the Solar PV array allows the system to run at variable speed. Variable speed operations means there is no in-rush or surge of energy during the pump motor start-up , helping to eliminate wear on the motor and pumping system. One of the main cause of pump motor failure is the stress applied to motor during a full voltage start-up.

    The Pump controller’s variable speed operation ramps up the speed smoothly, which eliminate starting stress. This should allow the pump controller to last longer. There is no starter box or motor started to purchase , maintain or have fail. The start winding is controlled by the controller and the controller provide motor overload protection.

    Applications:

    This solar solution will be extremely useful for the following industries Textile industries;Food processing;Chemical;Pharmaceutical ;Automobile ; Cement ; Agro Based; Agriculture and irrigation; Salt Refineries & Salt Pans; large Apartment Complexes; Hotels,Lodges & Restaurants; Effluent treatment Plants.

    The following are the applications that can be powered using this technology: Surface Pumps; Submersible Pumps; Vacuum Pumps; Air Compressors; Sewing Machines; Spinning Mills ; Grinding Machines ; petrol Pumps; Effluent treatment Pumps.

    Salient Features:

    Can be used for any kind of Motor or Pump Loads ranging from 1HP to 100 Hp;

    uses MPPT (Maximum Power Point Tracking) to deliver energy at various Solar Energy Levels;

    System can be used for existing Pumps and Motors and hence no replacement of new loads;

    Accept both solar and Grid input. Works completely on solar during the day and on Grid during the night. built in preferential logic gives priority to Solar Energy.

    Water pumped even in morning, evening and in cloudy weather at low speed flow for over 12 hours per day. Long term , Environment friendly , economic solution with proven technology based on variable speed drive.

    During rainy season or cloudy weather , the water pumping system can be powered by grid supply.

    Following protections are inbuilt in the VFD controller; Lightning ; panel Reverse Polarity; Short Circuit; Over Load; Over Voltage; Multiple pumps can be connected to single controller;

    Dc power meter included.

    Contact:

    Kb Electronics India

    Mumbai Office Address:

    KB Electronics, 221/222, Kalyandas Udyog Bhavan, Near Century Bazaar, Prabhadevi,

    Mumbai – 400 025. INDIA

    Tel +91-22 2436 4668 / 64526057 Mobile +91- 9920791222

    Fax +91-22 2436 4668

    Email kbelectronics@gmail.com
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