Infographics : 5 Steps to Choose Best Inverter for Home

The best saying goes like this: you can select or choose by your own what suits you the best. We often feel complacent when we plan or choose anything by ourselves rather than by others. When it comes to an inverter for your home, this article will guide you to choose the best one out of the lot. If you are messed up with the problems of power cuts, and are frequently getting annoyed for the technical help from the technicians, then, you need not to worry because you can feel free to plan your backup system. It is our privilege to help you make plan your very own home inverter system with the following simple steps:

The home inverter is a device that provides uninterrupted power to run electric appliances in the event of a power failure. An inverter, as the name implies, first converts AC to DC for charging the battery, and then inverts DC to AC for powering electric gadgets. As different ratings of inverters are available in the market today, consumers or users always should find a technical consultant to choose the best inverter for a service.

To assist the house owners or other users who want to buy a home inverter, here we are giving some steps that need to be considered while choosing the best and appropriate inverter for running the loads in the event of power interruption. This reduces the need for any technical help from the technicians or electrical engineers who usually work on installation and maintenance of home appliances.

Some factors must be considered before looking forward to buying an inverter, which is capable of meeting all your power requirements; otherwise, it will not drive the loads efficiently. Some major steps are listed below for consideration while selecting an inverter.

The home inverter system is made up of two major parts inverter and battery. The inverter supplies power from the battery to home appliances in the event of a power failure or interruption, and meanwhile, it also charges the battery.

5 Steps to Choose Best Inverter for Home

The five steps to choose best inverter for the home include the following.

Calculate the Power Usage or Total Watts

Calculate your total power consumption by adding the power ratings or wattages of the appliances for which you are going to make a backup, or the ones that are going to be powered by the inverter.

Calculate the Inverter Capacity

If the inverter VA rating is exactly equal to the total load power, then it won’t drive the loads due to the presence of the power factor. The power factor must have to be considered while calculating inverter capacity. The power factor is varied from 0.6 to 0.8. So, the required VA rating of the inverter is

Inverter Capacity (VA) = Total Power Needed/Power Factor

For Example (As in the above case)

Inverter Capacity = 390/0.7

Assume P.F = 0.7 = 558 VA

Therefore, a 600VA inverter is a right choice for our loads.

Choose the Output Produced By the Inverter

Some of the outputs of an inverter are a quasi-sine wave, pure sine wave, square wave, etc. Since the utilities provide sine waveform, so make sure that your inverter also must produce the same waveform; otherwise, it leads to negative effects on the sensitive applications in the home.

Calculate the Battery Capacity

Since the inverter draws its power from the battery, the number of hours that all the equipment would run, and the backup needed to run them all depend on the battery capacity. The battery is rated in Ampere Hour (Ah); thus, it determines backup hours. Generally, in-home inverters, a 12V battery is used.

Battery Capacity =  Total Power Needed in watts X Required Backup HoursBattery Voltage in Volts X Efficiency of the Battery X No of Batteries

As in the above case,

The Battery Capacity= 390X 312 X 0.9 X 1 = 109Ah

Therefore, it is better to choose a 120 or 130 Ah batteries depending on its availability.

Choose the Type of Battery

Automobile batteries are different from inverter batteries wherein inverter batteries are designed to provide moderate currents for longer periods. Compared to lead-acid and flat plate batteries tubular types have more advantages and are highly recommended for home inverters. And also, choose the best-manufactured battery and other specifications like battery life, efficiency, charging and discharging capacities, cost, and so on.

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