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SMU
SMU
SMU

SMU

SMU

 Solar Management Unit (SMU) can convert your simple Inverter into Solar Inverter. SMU ensures priority usage of Solar Power to reduce Grid consumption. 
 
The SMU could charge battery automatically from photovoltaic (PV) systems. The charging process has been optimized for long battery life and improved system performance. The comprehensive self-diagnostics and extensive electronic protection can prevent damage against incorrect wiring or system faults. The system can work as a domestic inverter and a solar inverter automatically or manually through a switch except in night condition. In night condition the system will work as normal domestic inverter.
 
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    High speed and high performance micro-controller

     High speed microcontroller increases the performance of the system. UTL`s Solar Management Unit (SMU) is embed with a high speed microcontroller which provide ability to perform its task more reliably and efficiently. [Top]

    High reliability with longer operational life

     UTL`s Solar Management Unit (SMU) is highly reliable and it has longer operational life. It can be operated in extreme environment conditions. It can be operated at temperature range that lies in 0°C to 60°C. [Top]

    Prioritize Solar Power over Grid Power

     SMU ensures priority usage of Solar Power over Grid Power to reduce Grid consumption. In Daytime condition, the system will give priority to Solar Power and use Grid Power only when the Solar Power is insufficient to sustain the load requirement. When battery gets fully charged during daytime, the SMU will automatically cut-off the Grid Power from the system and load will run through the home inverter. [Top]

    Increase the battery lifetime

     SMU utilizes four stage battery charging algorithm that enhances the battery life. In Bulk stage SMU feeds the battery installed to it a constant boost charging current until its voltage reaches 14.4V and the float current (which is very close to zero), then in absorption stage it maintains this voltage above 14.2V for 3 hrs. Thus reducing the float current (flowing for the longest period during the entire process) to zero, ultimately resulting in much enhanced battery life keeping it fully charged simultaneously. [Top]

    Automatic/ Manual operation through a switch

     The system can work as a domestic inverter and a solar inverter automatically or manually through a switch except in night condition. In night condition, first it will harvests the stored battery energy then it will work as normal domestic inverter. [Top]

    Inbuilt protection to avoid battery undercharge and over-charge.

     UTL`s SMU has the capability to charge a battery which goes in deep discharge condition. It can charge the battery if the battery voltage during discharge reaches up to 8V per battery. It uses four stages to charge the battery i.e. Boost, Absorption, Float and Equalization. This feature protects the battery for being over charged. [Top]

    Very Low Consumption in Idle State

     UTL`s SMU have very low idle consumption. In idle state it consumes less than 20mA current which makes it more efficient than any other SMU. [Top]

    Electronic protection

    Over charging-voltage
    Over charging-current
    Under voltage
    Battery reverse polarity protection
    Solar reverse polarity protection
    Reverse current flow at night from battery to solar array
    Over temperature [Top]
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