Low-Voltage Electrical Installations

Higher education teachers: Bizjak Grega

Subject description

Prerequisits:

Inscription in 3. year

Content (Syllabus outline):

Electrical installations and legislation: basic concepts, types of electrical installations, electrical circuits and systems, marking of conductors, technical legislation, standards and regulative documents, methods of preparing technical legislation, codes and standards in the field of LV electrical installations. Elements of electrical installation: cables and wires, marking, selection and installation of cables, , installation pipes, sockets and plugs, installation switches, laying of installations. Dimensioning of conductors: currents and voltages in installations, thermal , electrical and mechanical dimensioning of conductors, dimensioning in terms of costs, over-current protection of conductors. Protection of electrical installations: currents in electrical installations, protection devices and their selection, selective protection, connection of loads. Overvoltage protection: voltages in installation, lightning and lightning protection, internal overvoltage protection, elements for overvoltage protection. Risk of electric current: influence of electric current on the human body, resistance of the human body, touch and step voltage, electric shock. Protection against electric shock: direct and indirect contact with live parts, protection against direct and indirect contact, additional protection and residual current device, safeguard measures in accordance with the standards, protection of electrical equipment. Intelligent electrical installations: why intelligent installations, EIB/KNX installations, components and their programming, design of intelligent installations. Interior lighting design: characteristics of good lighting, purpose of interior lighting, guidelines and standards for lighting, concept of lighting, lighting systems, design of lighting installations. Safety lighting: standby and safety lighting, escape route safety lighting, anti-panic lighting, safety lighting where risk of accident is present, safety signs, luminaires for safety lighting, voltage sources, systems for safety lighting, safety lighting control and testing. Design of electrical installations: basics of building construction, course of project work, center of gravity of electrical load and placement of distributors, number of circuits and their load, symbols in installation plans.

Objectives and competences:

Student will know the legality of technical regulations and standardization as well as normative acts in force in the area of electrical installations. He/she will be aware of the dangers of electricity and will know the principles of protection against electric shock. Student will also know the state of the art in electrical installations; the methods for planning of electrical installations and how to use appropriate tools in the planning process. He/she will be able to perform measurements of electrical installations.

Intended learning outcomes:

Students will be able to make a project of electrical installation, to carry out installation work and to verify the correctness of carried out installation by examination and measurements.

Learning and teaching methods:

Lectures, laboratory exercises.

Study materials