Part of a series in renewal energy technologies brought by M/s Paavi Solar
Friends, in the previous blog
we learned about the On-Grid Solar PV System whereby main motive of the
installation was to reduce the Grid electricity bill. Even though this system
was cheapest yet it has some inherent drawbacks like
1. Due
to the absence of Battery Bank (storage) off solar hour loads are fully met with The grid in On-Grid Solar PV System.
2. Suppose
Grid supply is not available and technicians are maintaining the Grid then
Solar Supply is also cut off to safeguard the lives of technicians.
To overcome these inherent problems, Hybrid
Solar PV System was introduced with an additional battery bank and an intelligent Solar Power Conditioning System.
Battery bank stores electricity during the solar day and during grid cut off time,
this battery bank supplies the power to the house. Otherwise, Grid becomes the main
source of power during off solar hours. The Solar Power Conditioning unit can be
adjusted to intelligently switching the power either to Solar or battery bank
or to the Grid.
In this the system also, DISCOMs provide Net Meter under the policy of Grid-Connected Solar
Roof Top System. Different states have different policies and subsidy guidelines
but states follow the directive regulations of MNRE. As this system is
connected to the Grid and hence proper installation testing is done by DISCOMs
to ensure synchronization and balancing of the systems i.e. feeding the Grid
with stable A.C. energy at proper voltage and frequency.
Friends
as stated earlier, individual components of the systems will be discussed in
detail in coming blogs. -G
P BOSE
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