Photovoltaics


Choose Photovoltaics - the Most Modern Energy Source


One of the most frequently raised issues of modern society concerns the strategic energy potential of individual energy sources which have to combine their availability, reliability, technological adequacy and mainly their adequacy in terms of the sustainable development of the environment. Due to increasingly urgent climate changes, a modern electric power source has to correspond to the most modern criteria of the economic and social environment of man and nature.

Photovoltaics is one of the fastest growing industries in the world. The sun, by far man's largest renewable and limitless energy source, has potential far greater than any other energy source. The period that is rapidly ending, was historically speaking marked by an extremely brief, yet extremely intensive use of fossil fuels. The period that awaits us is one that brings us back to nature and this is possible because of technological development.

Photovoltaics is considered the most acceptable renewable source of energy, due to its modularity, dispersion, robustness, silent operation, ecological benefits and competitive price. Its share and potential makes the sun the most important high-technology energy source. Slovenia has set a goal to produce 25 percent of its energy from renewable sources by 2020.

An individual energy source has to comply to the standards of our modern society, which does not only bear the responsibility for itself and our fellow man, but also for the technological progress of our civilisation and for stimulating its future development, in order that it meets the demands for the most advanced energy sources. Some of the criteria that we use to evaluate how advanced an energy source is are:

reproducibility of an energy source, the potential of its use, its ecological adequacy, availability, reliability, type of incorporated technology, dispersion, appearance, modularity, robustness, complexity of maintenance, manner of operation, and how competitive price its price is.

Considering all the above stated criteria, we are able to define photovoltaics and solar power plants as the most advanced energy sources.

Solar power plants use the energy of the sun, which is the primary energy source for life on Earth. The suns radiation impacting on Earth surpasses humanities need for primary energy by several thousand times. In other words, the sun sends all the energy that humanity uses in a year in a single hour. The sun's potential substantially surpasses humanity's entire need for energy.


fotovoltaikaThe word photovoltaics originates from the Greek word "phos", meaning light, and from the word "volt".
Photovoltaics is a science that explores the conversion of the energy of light.
Photovoltaic conversion therefore means directly transforming the light energy of solar radiation into electricity.
Solar power can be a very aesthetically pleasing and green renewable energy source because of the modular design used for the construction of solar power plants from the scale of a few milli-watts to several megawatts.
This is what allows them to spread, which decisively influences the reduction of losses in the electricity network and ensures energy independence and the independence of the users of solar power plants.
 
Basic elements of solar photovoltaic power plants are formed by two sets. The first are solar photovoltaic modules, which are the heart of any solar power plant and transform the electromagnetic radiation of the sun into direct electric current and voltage (solar cells). The second set are electromagnetic elements, which are intended for using the produced electricity for individual purposes. These include: inverters, the supporting strucutre, connecting cables, DC and AC joints, regulators, batteries, switches and protective devices, and other installation material.

The photovoltaic module is made from lines of solar cells connected in a series, which are enveloped in a special EVA foil which has a high gel content and a low yellow index. This foil hermetically encapsulates cells between the back layer of the foil from the rear of the module, which is used as a protection module from UV light, scratches and other external influences, and for electrically isolating the module and the glass on the front side. High pass tempered glass with the thickness of 3.2 mm provides strong resistance to mechanical shock (hail) and high light transmission, thus increasing the efficiency of the solar cells. A box with connectors is mounted on the back of the module for connecting to electrical conduits, and those to the inverters that convert the DC voltage into AC.


fotovoltaikaWhen evaluating the pricing of solar power plants, one must consider that the photovoltaic industry has only recently moved from laboratories to a mass industrial level, and as with all the other commercially competitive industries, it is important to achieve the necessary economy of scale. However, we should note the fact that today many commercial technologies are still happily supported. Take, for example, grant incentives for stimulating the use of coal or nuclear energy, ranging from direct government guarantees, favourable loans to various other direct and indirect grants.The initial incentives for the development of photovoltaic and solar cells are important because it is a revolutionary technology that holds the most technological and commercial potential and which will be competitive to conventional energy sources in just a few years. Each time the world's production of photovoltaic modules doubles, the price drops by 20 percent. At current growth levels, this means that the production cost of electricity from the sun drops each year by seven to nine percent. For this reason, photovoltaics will soon compete with other energy sources.

Ab investment in photovoltaics and solar PV power plants is an investment with low risk and is considered very predictable and highly lucrative. The main purpose of photovoltaics is to provide humanity with one of its most primary needs – green electricity!

Plan-net Solar d.o.o.

Kamnik pod Krimom 8B
  1352 Preserje
+386 1 363 31 31
info@plan-net.si
 
 
 

Feb 9, 2016
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