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ABSTRACT
The article provides a synthesis of the fundamental concepts of electricity and magnetism, starting with Michael Faraday's discoveries on electromagnetic induction. It explores atomic structure, highlighting the role of valence electrons in electrical conductivity. Newton's and Coulomb's laws are explained to understand gravitational and electrical forces. The article distinguishes between direct current and alternating current, detailing their respective characteristics, including notions of active, reactive, and apparent power. The dangers of electric current to the human body are discussed, emphasizing the importance of protective devices like differential circuit breakers. Finally, it focuses on earthing systems and electrical standards, such as NF C15-100, which ensure the safety and compliance of installations.
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Thibault FOURCADE: Engineer
INTRODUCTION
Electricity is at the heart of modern society, powering a multitude of devices essential to our daily lives. Understanding its fundamental principles, from atomic structure to the physical laws that govern it, is essential for professionals in the construction and civil engineering sectors. This article explores the basics of electricity and magnetism, the characteristics of direct and alternating current, and notions of electrical power. It also highlights the dangers associated with electrical current, and the importance of standards and protective devices in ensuring the safety of installations.
The Ultimate Scientific and Technical Reference
KEYWORDS
safety | electricity | current
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The principles of electricity
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Bibliography
Standards and norms
- Low-voltage electrical installations – Design, production and testing rules - NF C 15-100 -
- Public electricity distribution networks – Common rules for construction and maintenance - NF C 14-100 -
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