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Solar Electric PV
‘Photovoltaic’ is a marriage of two words: ‘photo’, meaning light, and ‘voltaic’, meaning electricity. Photovoltaic technology, the term used to describe the hardware that converts solar energy into usable power, generates electricity from light.
At the heart of photovoltaic (PV) technology is a semi-conductor material which can
be adapted to release electrons, the negatively charged particles that form the basis
of electricity. The most common semi-conductor material used in photovoltaic cells
is silicon, an element most commonly found in sand. There is no limitation to its
availability as a raw material; silicon is the second most abundant material in the
earth’s mass.
All PV cells have two layers of semi conductors, one positively charged and one negatively
charged. When light shines on the semi-conductor, the electric field across the junction
between these two layers causes electricity to flow. The greater the intensity of
the light, the greater the flow of electricity. The electrical circuit is created
by many solar cells connected in series within special PV modules. The consequent
physical reaction in the solar cells generates direct current, which can be converted
to alternating current, depending on requirements. As the PV modules that perform
this function have no moving parts, the system requires only minimal maintenance,
and are silent in operation. Best of all, they generate electricity without generating
any of the harmful emissions currently threatening our environment and climate. 
The sun delivers 219,000 billion kilowatt hours of energy every year to the earth – more than 2,500 times more than the total world population currently requires.
A photovoltaic system therefore does not need bright sunlight in order to operate. It can also generate electricity on cloudy days. Due to the reflection of sunlight, days with slight cloud can even result in higher energy yields than days with a completely cloudless sky.
Proven Design
Solar Essence offers Electric PV systems in a number of standard sizes, with solar panels from major manufacturers, and may be mounted to many different type of roof surfaces and vertical facades. We provide services and solutions to all sectors of the construction industry including, specifies, developers and contractors.
Off Grid
An off grid system means that it is not connected to the national power grid, this may be because there is no electrical power supply to the property. In this case the power must be stored in heavy and expensive batteries.
There is also no opportunity to benefit from the Governments new feed in tariffs. Unless off grid is your only option we do not recommend these solar PV systems.
On Grid
The example to the above is a typical example of a Solar Essence On Grid Solar PV System.
Using this style of system means that any excess power can be put back into the national grid, for which you are paid for.
We recommend KIOTO Photovoltaics who are market leaders in first class photovoltaic modules, which surpass all the quality standards stipulated within European markets. The highly efficient multi-crystalline solar modules on a 6‘‘-wafer base are manufactured exclusively in Austria using the very latest equipment. Innovative testing ensures exact technical performance data for each individual module. The solar modules with power from 185 to 210 Wp are delivered with aluminium frames and junctions. A Tyco junction box is fixed as standard. These solar modules, designed for a high output of power and profit, are mainly used in systems coupled with on grid systems.
1. PV Collector Array
2. PV Array Combiner
3. Grid Tie Inverter
4. Import/Export Meter
5. Connection to the Grid
6. Load
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