Sumários

lecture class no. 13

31 outubro 2018, 08:00 • Gil Marques

Dc generators and dc motors. Shunt motor and series motor characteristics. Starting dc motors.

Lab 3B

30 outubro 2018, 14:30 • Maria José Resende

Threephase Power Systems. Balanced loads: star and delta connections. Unbalanced loads.

Problem class

30 outubro 2018, 13:30 • Gil Marques

Solving AC and magnetic circuit problems

Problem class

25 outubro 2018, 11:30 • Gil Marques

A problem of magnetic circuit

Lecture class no. 12

25 outubro 2018, 10:00 • Gil Marques

The commutator: principle of operation. The model of the dc machine. Energy balance.