Lesson Plan 9

25 outubro 2017, 09:30 • Paulo Jose da Costa Branco

 Calculation of electromagnetic forces: methodology based on energy conservation principle . Some examples of calculation of electromagnetic forces.

Laboratory N1 (Parts A and B)

23 outubro 2017, 09:00 • Paulo Jose da Costa Branco

Part A: Magnetic circuit of an electrical machine: fundamentals

Part B: Rotating electromechanical converters

Problems class 6

23 outubro 2017, 08:00 • Paulo Jose da Costa Branco

Problems list: 2ºexam, Electric Machines, 2015 January 24: question 4.

Lesson Plan 8

20 outubro 2017, 11:00 • Paulo Jose da Costa Branco

 Three-phase Transformer (Part 2)
Three-phase transformer: the type of electric connections ,hourly notation, vector groups .
Parallel of transformers .

Lesson Plan 7

18 outubro 2017, 09:30 • Paulo Jose da Costa Branco

 Three-phase Transformer (Part 1)
Three-phase transformer: representation through the symmetrical components, representation of its balanced regime. Example of analysis and representation under unbalanced operation via a single-phase load: use of symmetrical components.