Sumários
C#5 (online class)
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.
C#4 (online class)
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.
C#3 (online class)
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.
C#1&C#2 (online class)
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.
Maritime safety issues III (aula online)
17 abril 2020, 15:30 • Ângelo Palos Teixeira
Qualitative risk analysis