Title: green energry future
1The future of green energy solar panels Solar
panels contain solar cells, also known as
photovoltaic cells, made of semiconductors (such
as silicon) that convert sunlight into
electricity. When light hits the cells, the
electrons are separated from their atoms and flow
through the cell, thus generating
electricity. Nowadays, solar cells contained in
domestic installations can convert around 20 of
the sunlight they receive into electricity, while
some commercial systems can reach 40 of the
so-called solar efficiency. However, technology
is advancing fast and solar efficiency is
expected to grow accordingly, while prices
drop. 1kw solar panel system- 1 kw solar system
is designed to give power supply for 8-10 hours
to 3-4 BHK homes in India having severe power
cuts and unreliable electricity supply. It
generates a power of 5000 watts during the day
using sun power. If you are living in a city or
at place where electricity is available but power
cuts are frequent and long, This Solar system
helps you to run all your power equipment
directly from sun, It occupies 100 sqft. space in
installation. Running load- Up to 1200 watts of
power with combination of - 5 Ceiling Fans, 20
Led lights, 2 Television, 1 refrigerator, 1 mixer
and Laptop/Mobile Charging
2kw solar system 2kW solar system is best to run
your house load. This capacity solar system will
generate 8 units averagely per day. It needs 200
sq. feet roof space for solar panel
installation. A 2KW solar system can run 1600
watt of your house load. The most
2important thing that how is sunny it is where you
stay. The price of solar system depends upon the
types of solar system. not as popular as larger
systems, a 2kW solar system is still a great
option for a smaller household. This is
particularly true if your homes empty between
9am and 4pm weekdays, and you dont have access
to a particularly generous feed-in tariff. And
with solar rebates currently available, nows the
time to buy. Here are the details you need to
know. Power generated- 9 units a day Number of
panels-6 Average payback period 4 years Savings
on electricity- The amount of money you save from
your solar system depends on when (and how much)
electricity you use in your home. A 2kW system
generates about half the electricity used in an
average home and can save you as much as 145 per
electricity bill cycle. However, savings of 90
per billing cycle are more likely.
33kw solar system here 3 kW solar system is a
powerful solar system that can run everything
from solar except 2-ton air conditioners. The
system is ideal to light up your
homes, independent floors, villas, offices
independently using solar power, without
depending on the main power grid. To make up a
3kW solar system you need 12 solar panels,
assuming that you use 250W panels.Each panel
will be about 1.6m x 1m, so youll need at least
20m2 of roof space.
4kw solar power systems- 4kW solar panel systems
or 4 kilowatts is 4,000 watts of DC direct
current power. This could produce an estimated
300 to 750 kilowatt hours (kWh) of alternating
current (AC) power per month, assuming at least 5
sun hours per day with the solar array facing
South. There are three type of solar systems - on
grid and off grid and hybrid. 4kW Solar System
is available in all 3 types. Generally, 4kW Solar
System range start from Rs. 2,80,000 - upto 4
Lakh including solar panels, solar inverter,
solar structure, accessories and batteries in
case on Off-Grid and Hybrid Solar Systems.
4There are three type of solar systems - on
gridand off grid and hybrid. 4kW Solar System is
available in all 3 types. Generally, 4kW Solar
System range start from Rs. 2,80,000 - upto 4
Lakh including solar panels, solar inverter,
solar structure, accessories and batteries in
case on Off-Grid and Hybrid Solar Systems. 4kW
(kilowatt) solar systems typically sell in the US
(as at March 2017) for between 2.95 and 3.50
per watt meaning a cost of between 11,800 and
14,000 before the 26 solar tax credit. After
the 26 solar tax credit this equates to a range
of 8,732 to 10,360. However, the price varies
by state and also depending on whether the system
is purchased for cash or whether the system is
financed. Most solar financing offers have an
origination fee of 10-12 and so systems that are
financed are usually 10-15 more expensive.
5kw solar power systems A 5kW solar power system
is a size that should easily offset a typical
Australian homes electricity usage. If it
doesnt, then youve got one serious energy
guzzler of a home and should really consider an
energy audit before going solar! 5kW solar
systems are also the minimum system size you
should be considering if youre looking to add
batteries to your system in the future. Heres
what you need to know about 5kW systems,
including price information. How many solar
panels will you need?
5To make up a 5kW solar system, you need 17 solar
panels, assuming you use 300W panels that will
actually give you 5.1kW. Each panel will be
about 1.6m x 1m, so youll need at least 17.2m²
of roof space. 5kW solar system will generate
approximately 20kWh per day, depending on your
location and a variety of other factors. The
average home in Australia uses about 16kWh per
day. Note that this does not mean installing a
5kW solar power system will automatically give
you a 0 electricity bill, as most households use
the majority of their electricity at night when
the sun isnt shining I talk about this in
greater detail
6Solar inverters solar inverter is one of the
most important elements of the solar electric
power system. It converts the variable direct
current (DC) output of a photovoltaic (PV) solar
panel into alternating 240V current (AC). This AC
electricity then can be fed into your home to
operate your appliances. The electricity that is
not used in your home is then either fed into the
grid (electrical power lines) or into home
battery storage. New hybrid inverters include an
integrated battery management system. Long
lasting solar power systems require a high
quality inverter with a robust convection
cooling system. Low quality inverters have
unfortunately failed in the Australian
climate. In any solar system, inverter plays an
essential role like a brain. The main function of
this is to alter DC power to AC power which is
generated from the solar array. It allows for
monitoring the system so this system operators
can observe how this system is working. If you
are considering a solar panel system for your
home, one of the key decisions you make is the
type of inverter to install. Inverters convert
direct current (DC) energy which is generated
from the solar panels into usable . After the
panels themselves, inverters are the most
important equipment in the solar power system.
The inverter gives analytical information to
assist in identifying operations maintenance
to fix issues of the system. This article
discusses an overview of a solar
system. Definition A solar inverter can be
defined as an electrical converter that changes
the uneven DC (direct current) output of a solar
panel into an AC (alternating current). This
current can be used for different applications
like in a viable electrical grid otherwise
off-grid electrical network. In a PV system, it
is a dangerous BOS (balance of system) component
that allows the utilization of normal AC powered
apparatus. These inverters have some functions
with PV arrays like tracking of utmost
PowerPoint protection of anti-islanding. If we
are using a solar system for a home, the
selection installation of the inverter is
important. So, an inverter is an essential device
7The working principle of the inverter is to use
the power from a DC Source such as the solar
panel and convert it into AC power. The generated
power range will be from 250 V to 600 V. This
conversion process can be done with the help of a
set of IGBTs (Insulated Gate Bipolar
Transistors). When these solid-state devices are
connected in the form of H-Bridge, then it
oscillates from the DC power to AC power.
Working-
String Inverter This kind of solar panel is
arranged in the form of a string and many strings
are allied to a single string inverter. Every
string holds the DC power where it is altered
into AC power used like electricity. Based on
the installation size, you may have many string
8inverters where each string gets DC power from
some strings. These inverters are good for
installations where the panels are arranged on a
single plane to avoid facing in different
directions. String inverters can also be used
with power optimizers as they are module-level
power electronics that are mounted at the module
level, consequently, every solar panel has one.
Manufacturers of the solar panels use power
optimizers with their devices sell as one
solution called a smart module so that
installation can be made easier. Power
optimizers give many benefits like
microinverters, but they are less expensive. So
it can be a good choice among using inverters
like strictly string otherwise micro inverters.
Central Inverters These are related to string
inverters however they are larger support
additional strings of solar panels. Rather than
running strings openly to the inverter, the
strings are allied together in a general
combiner box so that the DC power runs toward the
middle inverter wherever it is transformed to AC
power. These inverters needless connections of
components, however, they need a pad as well as
combiner box as they are suitable for huge
installations through reliable production across
the array. The range of these inverters is from
MWs to the hundreds of KWs and they handle up to
500kW for each area. These are not used in homes
but used generally for huge commercial
installations utility-scale solar farms.