Sumários
Lesson Plan 24
28 novembro 2014, 11:00 • 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.
Laboratory N3
27 novembro 2014, 09:00 • Paulo Jose da Costa Branco
Synchronous motor operation: Starting characteristics, torque/speed characteristic
Lesson Plan 23
26 novembro 2014, 09:30 • Paulo Jose da Costa Branco
Constructive aspects of the synchronous machine and its operating principle. Description of the machine in terms of electromagnetic field and in terms of circuits. Representation of synchronous machine in a rotating Cartesian reference solidary with the rotor (Park's model). Damper circuits.
Laboratory N3
24 novembro 2014, 09:00 • Paulo Jose da Costa Branco
Synchronous motor operation: Starting characteristics, torque/speed characteristic
Laboratory N3
21 novembro 2014, 12:30 • Paulo Jose da Costa Branco
Three-phase induction machine: variable speed operation.