Sumários

lecture class no. 16

14 novembro 2018, 08:00 • Gil Marques

No-load and short circuit tests. Efficiency versus load in a transformer.


Lab 4B

13 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.

Problem class

13 novembro 2018, 13:30 • Gil Marques

Solving dc machine problems

Problem class

8 novembro 2018, 11:30 • Gil Marques

Shunt DC motor problem

lecture class no. 15

8 novembro 2018, 10:00 • Gil Marques

Introduction to the transformer. The Ideal transformer. T-equivalent circuit. The equivalent circuit.