An on-grid or grid-tied solar system is a system that works along with the grid. This means that any excess or deficiency of power can be fed to the grid through net metering. Many residential users are opting for an On-grid solar system as they get a chance to enjoy credit for the excess power their system produces and save on their electricity bills. You will always have power either from the solar system or from the grid. They do not have batteries.
At Solar farm, we specialize in developing, designing, and safely installing solar panels across the state; establishing a reputation as the leading installer of Solar Photovoltaic and Solar Battery Systems in the country.
How Do Solar Panels Work?
Solar panels are used to convert daylight to DC electricity, with an inverter then converting the electricity to AC where it becomes suitable for use. Any unused electricity is either sold back to the grid or stored in solar panel battery storage.
Following this, our team will work with you to design a solar power system that not only makes effective use of your otherwise wasted roof but will also meet your energy requirements and reduce the negative environmental impact of generating electricity by conventional means
Choosing the location
The most important factor in selection of location of solar panel installation is the availability of shadow-free area. For a typical rooftop installation on an individual home, we encounter a number of shadow casting objects such as nearby trees, adjacent houses or buildings, mobile towers, water tanks, staircase rooms or mumties, satellite dishes, etc. Although we might feel that an area is free of shadow to the naked eye, it is not possible to say with certainty that there shall be no shadows at all times of day and throughout the entire year.
Shadow analysis using softwares such as Google SketchUp is required to check and ensure that the installation will remain shadow-free from 9 AM to 4 PM throughout the year. At SolarFarm, we conduct a thorough shadow analysis by keeping in mind all shadow casting objects, their locations and heights.
Mounting the panels
As India is in the northern hemisphere, the direction of solar panels should be towards the south to maximize the solar radiation received. Direction towards east or west also can be considered if south is not possible due to constraints in the area available. North direction of solar panels should be avoided as it will result in a significant reduction in energy generation. The tilt or slope angle to be provided to the solar panels should ideally be between 10 deg to 30 deg in North India.
Solar panels are installed on the mounting structures using clamps or nut-bolt fasteners. It is critical to ensure solar panel installation is done in adherence to the manufacturer’s installation manual. Any deviations from the instructions may lead to the manufacturer’s warranty on the panels being void. Appropriate handling & lifting of panels as per the manufacturer’s guidelines is also very critical to ensure there is no invisible damage to the silicon cells inside the panel. Only trained & experienced professional teams should be engaged for this activity. Specialized tools such as torque wrench should be used for the assembly of mounting structures & solar panels to ensure that all connections are fully tightened.
Electric fitting and net metering
Solar panels are connected in series by connecting the positive cable of one panel to the negative cable of the next panel and so on. All cables are routed inside PVC or HDPE conduit pipes for protection. For a residential solar system, the energy meter is replaced by a bi-directional net meter by the Discom. The net meter measures both the no. of units of electricity imported from the grid as well as exported to the grid and the consumer is charged for the net units consumed (import units minus export units). Once all connections as described above are done and the energy meter is replaced with a net meter by the Discom, the system is ready for charging and generation.
Want to go Solar ?
Address
45/13/10 Sector 11, In front of Axis Bank, Saharanpur Road, Patelnagar, Dehradun
Phone
Mobile: 7017517759
Inquiry@doonsolarfarm.com