Series: Optimizing your Batteries and Your Inverters

Battery

It is not only financial audit that is necessary in the 21st century, there is a need to carry out an Energy audit regularly. This is an analysis of energy use and consumption within a defined energy scope. This supposed to come first in determining your power needs before installing Inverters, batteries or solar systems.

An energy audit is an analysis of a facility indicating how and where that facility can reduce energy consumption and save energy costs. If carried out diligently it can lead to significant savings of the facility utility bills.

This is also applicable to our homes, how much energy your home consumes and evaluates what measures you can take to make your home more energy efficient. This assessment will show you problems that may occur, when corrected, save you significant amount of money over time as well as confirm your accurate power NEEDS.

At Facility Control Nigeria Limited, we believe that any good battery installation, usage with correct energy audit can achieve 4 years life span.

The following are key in making your batteries installations perfect;

• WHAT EQUIPMENT (LOADS) CAN BE POWERED.
Energy Audit will indicate total estimated wattage (Load) required to be powered, which will help the Engineers /Installers in choosing the right inverters, Batteries and Solar Systems designs required. Total wattage required will be used to determine right size of inverters size. Example: if total load is 2000 watt, 2400watts (3kva) or 2800watts (3.5kva) inverter size is recommended with equivalent batteries size to power the load effectively.

• WHAT CAN INVERTER POWERS WITH MY BATTERIES
We have answered this severally as well as what can my batteries powers with my inverter. Inverters and Batteries perform different duties in Inverter /Solar System Installations.
Inverters are medium at which direct current also known as DC (Batteries current) changed to alternating current AC (Electricity current) , and inverters comes with different volts such as 12volts{ 1 battery} , 24volts{2 batteries} , 48volts{4 batteries} , 96volts{ 8 batteries } e.t.c .

➢ A. Assuming the load is 2000watts and your Inverter rating is 2800watts (3.5kva) / 24volts with 2 x 200amps batteries connected in series at 80% efficiency mostly in calculation of backup time. What is your back up time?
2 x 200 x 12 x 0.8 = 4800/ 2000watts (load), this implies that with 2000watts load your back up time is 1 hour 92mins. However you can reduce your load and gain more back up time or you increase your battery number. N.B: Batteries with higher efficiency will also give you longer backup time

➢ B. Assuming the load is 2000watts and your Inverter rating is 2400watts (3kva) / 24volts with 2 x 200amps batteries connected in series at 80% efficiency mostly in calculation of backup time. What is your back up time?
2 x 200 x 12×0.8 = 4800 / 2000watt (load), this implies that with 2000watts load your back up time is 1 hour 92mins. However you can reduce your load and gain more back up time or you increase your battery numbers. N.B: Batteries with higher efficiency will also give you longer backup time

If your energy audit is correct then your inverter is safe from overload. Your batteries are the next key players to ensure those loads are continuously powered not Inverters.

f this information has improved your understanding regarding solar system usage and operations, or you need our services at FCNL, Call us for further clarifications on 08118920243, 08118920244 or via email: enquiry@fcnlng.com

(c) 2018 Facility Control Nigeria Limited

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