Sökning: "Daniel Söder"

Hittade 2 avhandlingar innehållade orden Daniel Söder.

1. 1. Modeling, Control and Protection of Low-Voltage DC Microgrids

   Författare :Daniel Salomonsson; Lennart Söder; Brian K. Johnsson; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; circuit transient analysis; dc power systems; dispersed storage and generation; load modeling; power conversion; power distribution control; power distribution faults; power distribution protection; power electronics; Electric power engineering; Elkraftteknik;

   Sammanfattning : Current trends in electric power consumption indicate an increasing use of dc in end-user equipment, such as computers and other electronic appliances used in households and offices. With a dc power system, ac/dc conversion within these loads can be avoided, and losses reduced. LÄS MER

3. 2. To Have and to Hold: Continuity and change in property rights institutions governing water resources among the Meru of Tanzania and the BaKgatla in Botswana; 1925-2000

   Författare :Ellen Hillbom; Ekonomisk-historiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; institutional change; Botswana; institutions; Kgatleng; Meru; natural resources; property rights; Tanzania; Sub-Saharan Africa; water; Social and economic history; Ekonomisk och social historia;

   Sammanfattning : Allocation, control, and management of natural resources are issues that absorb researchers within both the social and natural sciences. This study deals with such research questions as well as with one of the most fundamental issues in Economic History – namely institutional change. LÄS MER