20 Maio 2020, 12:00 • Rui Castro
Connection to shore: the AC vs DC option. HVAC – High Voltage Alternate Current. Reactive power compensation. The STATCOM. HVDC-LCC – High Voltage Direct Current with Line Commutated Converters. AC/DC/AC conversion stations with thyristors. HVDC-VSC – High Voltage Direct Current with Voltage Source Converters. AC/DC/AC conversion stations with IGBT. PWM converters. Reactive power compensation with STATCOM.
20 Maio 2020, 09:00 • Rui Castro
Electrical losses. Temperature-dependent losses model. Brakelmann’s Model. Temperature correction factor. Dielectric losses. Example. The Classic Load Flow Model. The 2-bus load flow model. Solution of the 2-bus load flow problem. Example. Neglecting the transversal admittance and considering the pi-model of the cable.
13 Maio 2020, 12:00 • Rui Castro
Sizing AC offshore interconnection cables. The reactive power problem. Cables’ layers. Configuration and insulation. Choosing the cross-section. Rating factors. Current ratings.
13 Maio 2020, 09:00 • Rui Castro
Introduction to Offshore Wind Electrical Systems. Collector system. Configurations of the collector system. Basic concepts of reliability. SAIFI, SAIDI and ENS. Example. Reliability in radial systems. Example.
20 Março 2020, 15:30 • Luís Gato
Dimensional analysis applied to model testing of wave energy converters.