Sumários

Lab 4A

7 novembro 2018, 10:30 Maria José Resende

Magnetic circuit in DC and AC. Measurement of the magnetic field. Variation of air gap. Principle of operation of the transformer.


lecture class no. 14

7 novembro 2018, 08:00 Gil Marques

Adjusting the speed of the separately excited machine. Regions. 

The universal series motor.


Lab 4A

6 novembro 2018, 14:30 Maria José Resende

Magnetic circuit in DC and AC. Measurement of the magnetic field. Variation of air gap. Principle of operation of the transformer.


Lab 3B

31 outubro 2018, 10:30 Maria José Resende

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


Problem class

31 outubro 2018, 09:30 Gil Marques

Magnetic circuit problems.