Regulation concerning the installation of solar photovoltaic plants in case of critical infrastructure

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Supervisor:
Dr. Hartmann Bálint
Department of Electric Power Engineering

In today’s world owing to the energy waster life mode of the mankind, and the predictable run out of the fossil fuels, we need to find another way to replace the loss sources. The exploitation of the renewable energy sources get more and more emphasis, to be sustainable the ordinary way of the humanity’s life.

The largest amount of available energy source is the Sun. This energy is easily exploitable using solar panels. Initially because of the high price of the panels it wasn’t remunerative to use these systems. Owing to the technical development todays the solar panels have more and more affordable price, so depending on the size of the power plant it can be recouped within a few years. Because of this tendency we can meet more and more often with solar panel systems. Not just family houses, but also factories, stores, schools, hospitals use this with predilection to reduce their energy costs. That’s why are solar power plants more often installed at places, where there are different standards because of distinct circumstances, and it requires greater attention and precision during the integration and the operation equally. Because of the high voltage on the DC-side, where it can be easily near 1000 V, the biggest threat is this. If there aren’t adequate safety equipment fitted, then the system can cause electric shock, or fire with ease. That’s why is very important to follow the instructions and standards strictly, to avoid the accidents.

The purpose of my thesis is to summarize and introduce the mentioned regulations and standards, which if followed, make it as safe as possible for the solar power plant to operate. Besides these I would like to demonstrate through the example of a Hungarian hospital’s new solar system, that which are the points, where we really need to pay attention because of the critical infrastructure.

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