![]() ![]() This box feeds the DC current into the solar inverter and the solar inverter produces alternating current. It’s dangerous (potentially lethal) hence, the requirement of a DC combiner box. DC power coming from the panels can be as high as 1000 volts, even more. All the cables carrying DC current from the panels are isolated in this box. The next most important accessories required to set up an on-grid solar system are DC combiner boxes and AC combiner boxes.Ī DC combiner box works like an isolation box. These include the AC and DC cables that are required for wiring solar panels and connecting different parts to make the entire solar grid functional. They must be designed to sustain the wind speeds as defined for the installation location and height of the building. They’re coated with hot-dip galvanizing on steel to make them rust-proof. The best solar mounting structures are prefabricated in precision labs. They have to be of a standard grade so that they can withstand heavy winds during storms & cyclones and hold the weight of the solar panels for 25 years (that’s the life of a solar system). These are the pillars that carry the weight of solar panels. This conversion is essential because that’s the only way to convert electricity generated from an on-grid solar panel into a usable form (AC) that can run household appliances. The solar inverter takes up the role of converting DC into AC. The entire solar system would have been an impractical model had there been no solar inverter. Since homes require alternating current (AC), there’s the need for a solar inverter to convert direct current into alternating current. The solar electricity directly from the panels is in the form of DC power. ![]() When sunlight falls on these panels, they absorb that sunlight and convert it into electricity. They’re installed on the rooftop, facing the South direction. Solar panels in a solar grid for home are the most visible parts. The exchange of electricity back and forth from the grid via the bi-directional meter is called net metering.Ĭomponents of the residential on-grid solar system at night), the bi-directional meter imports them from the grid ![]() When the exported units are needed later (eg. This meter supplies excess electricity (units that are not consumed) to the grid The bi-directional meter supplies AC power to your home to run all household appliances The alternating current is fed into a bidirectional meter The DC current goes into the inverter that converts it into alternating current (AC) Solar panels absorb sunlight and convert it into direct current (DC) Here's what happens when you install an on-grid solar system: The generation of electricity in an on-grid solar system starts with solar panels and then goes through several steps to keep your house powered up during the day as well as at night. ![]() The working of an on-grid solar system for home An average Indian household with a monthly electricity bill of ₹1500 to ₹3000 has a requirement of 2 to 3 kW only. When it comes to categorization, an on-grid solar power system installed for smaller applications like an individual home has different capacities: 2 KW, 3 KW, 5KW, 10 KW, and so on.Ī solar system, in general, can have a capacity much higher than 10 KW, but the government provides a subsidy on residential installations for solar systems up to 10 KW only. The on-grid solar power plant for home is a careful arrangement of different components: And we, at SolarSquare, specialize in installing on-grid rooftop solar systems for both independent homes and housing societies. Most Indian households with a reliable grid connection count on the on-grid solar system for their electricity needs. We closely work with our customers and build a legacy that will last for as long as your solar system will last (at least 25 years).Īn On-grid solar system aka a grid-tied solar system is connected to the grid.
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