Course aims:

. Basic knowledge transfer regarding electrical components, instruments, applications and equipment used in environmental technologies
Understanding and interpreting, as the case, the physical phenomena related to the DC / single phase electrical circuits
Measurement principles of non-electric/environmental quantities via electric way
Circuit diagnostics / maintain of basic electrical systems
DC Circuits and systems analysis in order to design their

Course Entry Requirements:

Algebra; Basics of mathematical analysis.

Course contents:

• I. Introduction. Phenomenology of DC circuits- 3:00h • II. Physical sizes and units of fundamental measurement and derivatives. Their interpretation - 4:00h (technical estimation and meas. units) • III. Fundamental theorems of electromagnetism. Conservation theorem of electrical charge and energy - 4h • IV. The physical basis of circuit theory. Circuits in stationary regime - 4h • V. Laws of electrical circuits with concentrated parameters. Ohm-Law, Kirchhoff x 2 – 4h • VI. Connecting the circuit elements. Serial (voltage div) and parallel (current div) connection. Bridge circuit. - 4h • VII. Measurement of current and voltage. Measuring range extension modes - 4h (in networks) • VIII. Linear dipoles. Circuits with equivalent voltage and current sources – 4h • IX. Parallel connection of the voltage sources / output power. Analysis of linear components networks. – 4h (using different working regimes) • X. Electric field: load density, dielectric, semiconductor, capacity, stored energy s.a – 4h • XI. Magnetic field: intensity, flux, magnetic voltage, induction, energy stored in s.a coil – 4h- • XII. Electric intensity and induction. Magnetic idem. -4h. • XIII. The law of electrostatics (Gauss) and electrical capacity -4h • XIV. Study of the B - H relation, the system of electromagnetism laws. Ideal dipole elements of linear electrical circuits: R, C, L, sources. Final recap. and assessment topics– 4h (exam. procedures)

Teaching methods:

Technical presentation and meeting with experimental exemplification.

Learning outcomes:

C1.1 Operation description of electronic devices and circuits. Fundamental methods of measuring electrical quantities C1.2 Analysis of small / medium complexity electronic circuits and systems, in order to designing and measuring them. C1.3 Diagnosis / troubleshooting of electronic circuits, equipment and systems C1.4 Use of electronic tools and specific methods to characterize and evaluate the electronic circuits and systems performance

Learning outcomes verification and assessment criteria:

theoretical exams – 60%; experimental laboratory – 40%.

Recommended reading:

H-P.Beck, Grundlagen der Elektrotechnik vol.I, Video-Vorlessung,, TU Clausthal, germany, 2014, a.
M. Iordache, Bazele electrotehnicii,, Matrixrom, Buc., 2008, b.
M.Iordache, Chestiuni speciale de electrotehnica., Matrixrom, Buc, 2018, 330.
A.Tulbure, D.Cioflica, Electro-probleme, Aeternitas, ALBA IULIA, 2015, 230.
A. Moraru, - Bazele electrotehnicii. Teoria circuitelor electrice, Matrixrom, Buc, 2008, 180.