Sökning: "power system restoration"
Visar resultat 1 - 5 av 16 avhandlingar innehållade orden power system restoration.
1. Hydropower generator and power system interaction
Sammanfattning : After decades of routine operation, the hydropower industry faces new challenges. Large-scale integration of other renewable sources of generation in the power system accentuates the role of hydropower as a regulating resource. LÄS MER
2. On Risks in Power System Restoration
Sammanfattning : .... LÄS MER
3. Technical infrastructure networks as socio-technical systems : Addressing infrastructure resilience and societal outage consequences
Sammanfattning : Research area: Modern society is increasingly dependent on a range of technical infrastructure networks including e.g. power, transport and IT networks. This dependence is illustrated by large disturbances which from time to time affect these systems, often to an extent which few did consider possible. LÄS MER
4. Protection Strategies to Mitigate Major Power Systems Breakdowns
Sammanfattning : This thesis deals with new methods to improve the performance of power system protection in the case of voltage- and transient instability. These methods are designed primarily to mitigate power system breakdown. Relay algorithms are proposed where conventional distance protection is combined with additional relay criteria. LÄS MER
5. Makten över monumenten : restaurering av vasaslott 1850-2000
Sammanfattning : During the period 1850–2000 the Renaissance castles created by the Swedish Vasa kings, who reigned during the sixteenth and early seventeenth centuries, have been subject to restorations. During the period an official management body for the built heritage, a legal system and political guidelines for the maintenance have been developed. LÄS MER