Technology

4 Important Solar Products You Must Know About Before You Go For

Solar

During the last few decades, governments around the world have been focussed on transitioning from a fossil fuel economy to a renewable energy based system. The idea is to reduce the negative impacts of fossil fuels that have led to major climate changes. And besides governments, businesses and individuals too have been shifting from fossil fuel based energy sources to other renewable sources of energy that are both cheap and eco friendly. One such energy source is solar energy. It is free, it is inexhaustible and is very eco friendly. So, in our opinion shifting to solar is one of the best life decisions one can ever make. But before one does that, here are a few solar products they must know about. Read on to find out, if you too are planning to go solar.

  1. Solar Panels

Solar panels are the most noticeable component of a solar power system. You can easily tell whether a property is solar powered or not by looking at their roof or some large open space on the ground where the solar panels are usually installed. A solar panel can be defined as an array of electrically connected solar cells. These solar cells are enclosed in a frame and together they are responsible for converting the Sun’s energy received in the form of sunlight to electrical energy for powering a household and charging batteries. 

There are two types of solar panels available in the market –

  1. Mono crystalline PERC Solar Panels
  2. Poly Polycrystalline Solar Panels

When choosing between the two you need to consider various factors such as performance, space efficiency, price, etc. For instance, Mono crystalline PERC Solar Panels are more efficient as compared to Poly crystalline Solar Panels. They also take up less space but they are more expensive. So it is recommended that you speak to a solar expert before you choose between the two.

  1. Solar Inverter

A solar inverter is the backbone of a solar power system. Its primary function is to convert the variable Direct Current (DC) produced by the solar panels to Alternating Current (AC) which is then supplied to the household appliances for consumption. 

There are two main types of solar inverters –

  1. On-Grid (or Grid-Tied Solar Inverters)
  2. Off-Grid Inverters

On-Grid inverters or  Grid-Tied Inverters are connected to the local grid. This means the households can draw power both from the solar power system and the local grid. Under normal scenarios wherein the solar panel is generating enough power to cater to the power needs of a household, the solar inverter draws power from the solar power system. But when the solar inverter is not generating enough power, the solar inverter draws the deficit power from the local grid.

Unlike Grid-Tied inverters that do not have any batteries attached to them,  Off grid inverters have solar batteries attached to them. These batteries are used to store the energy produced by the solar panels. This energy stored in the battery bank can be used later when the solar panels aren’t producing enough energy to fulfill the power requirements of the household.

Note – Besides these two types of solar inverters there’s a third one, too. It is known as the hybrid solar inverter. It is a mix of both On-Grid and Off-Grid inverters. It is connected to the local grid plus it also has a battery bank attached to it. 

  1. Solar Charge Controller

Solar charge controller (or a Solar charge regulator as you may call it) is a voltage and current regulator that prevents overcharging of batteries. It also protects the solar panels by preventing reverse flow of current from the batteries to the solar panels. 

There are two main types of solar charge controllers

  1. PWM – Pulse Width Modulation Charge Controller
  2. MPPT – Maximum Power Point Tracking Charge Controller

Your choice of solar charge controller would depend on factors such as load requirement, efficiency, pricing and others. Let us read a bit about both to find out how they differ from each other.

About PWM Charge Controllers

PWM controllers work like a switch. They directly connect the solar array to the battery bank and they help ensure that the voltage of the solar panels is the same as that of the battery for the charge to take place. And as we know that the solar panels are usually at a higher voltage as compared to the solar battery bank, and therefore the PWM charge controllers often have to pull down the voltage of the solar panels resulting in loss of power. It is because of this reason PWM controllers are recommended for smaller setups with a lesser number of solar panels thereby resulting in less wattage of power. 

MPPT Charge Controllers

The best thing about an MPPT charge controller is that they do not pull down the voltage of the solar panels. Instead, the MPPT controller continuously tracks the panel voltage and in case there’s a voltage difference between the panels and the battery, they step up the amperage (current) that is supplied to the battery so that the amount of power reaching the battery is same as the power produced by the solar panels. And it is because of their higher efficiency that MPPT charge controllers are preferred over PWM controllers, despite the former being more expensive. 

  1. Solar Battery

Solar batteries are used in off-grid and hybrid solar power systems to store solar energy generated by the solar panels. The same energy is used to power the home appliances and other devices when the solar panels are not producing enough solar energy. The solar batteries can be divided into two main types.

  1. Flat plate batteries 
  2. Tubular Batteries

If you buy a solar battery from a reputable brand like Luminous India, you will have the choice of selecting a battery based on its battery capacity and battery warranty. The company offers batteries in the range of 20Ah to 200Ah. Similarly, you can choose between a battery with 36 months of warranty and 72 months of warranty.

Looking for a Good Solar Products Brand?

If you want to switch to solar, you should go with a reputable brand like Luminous India. They offer the widest range of solar products along with a Pan India service network. So what are you waiting for? Get in touch with one of their solar experts and seek their help in finding the best solar power system for your home, today!

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