U radu je obrađena nuklearna elektrana Flamanville, nuklearni reaktori, nove tehnologije koje se primjenjuju, incidenti koji su se dogodili. Objašnjena je nuklearna sigurnost i važnost školovanja pogonskih kadrova. Opisane su mjere zaštite u nuklearnim elektranama, nuklearno zračenje, radioaktivne tvari.The paper deals with the Flamanville nuclear power plant, nuclear reactors, new technologies that are applied, incidents that have occurred. Nuclear safety and the importance of training personnel have been explained. Protection measures in nuclear power plants, nuclear radiation, radioactive substances are described