Access to power is tied to a country’s development. It facilitates improved social welfare, education, health and income generating opportunities. Uganda’s economy is stifled by its low electrification rates 16% nationally. This study builds a working theory on the internal setup of Uganda’s power sector utilizing this theory to surface influential behavior modes as they pertain to power genera...

The electric power industry is one of the few industries where cloud computing has not yet found much adoption, even though electric power utilities rely heavily on communications and computation to plan, operate and analyze power systems. In this paper we explore the reasons for this phenomenon. We identify a variety of power system applications that could benefit from cloud computing. We then...

With the fast growth of wind power penetration, power systems need additional flexibility to cope with wind power ramping. Several electricity markets have established requirements for flexible ramping capacity (FRC) reserves. This paper addresses two crucial issues that have rarely been discussed in the literature: 1) how to characterize wind power ramping under different forecast values and 2...

A new dc current reference standard has been developed for high-current power converter calibration in the large hadron collider (LHC) project at the European Organization for Nuclear Research (CERN). This standard provides a near ideal 10-mA dc current with long-term drift of one part in 106 per year. The paper describes the requirements and the detailed design and evaluation of the unit. Sinc...

With the increasing amount of wind power generation connected to the power grid, the importance of measuring the wind turbines’ power characteristics and power quality characteristics is growing. By capturing this data, one can achieve improved utilization of the turbine by manipulating its control systems in accordance to power grid requirements for voltage/frequency fluctuations and fault con...

Mission requirements for planned NASA and DOD spacecraft often include designing for survivability. The threats to the survivability of a spacecraft can be either manmade (e.g., ASATs, space debris) or natural (e.g., radiation belts, micrometeoroids). An overview of the principal kinds of manmade threats and the implications on the design of space power systems are discussed. In general, it is ...

This paper provides a brief overview of current smartgrid and microgrid technologies and issues associated with their implementation. An architecture of the microgrid for the Department of Electrical Drives and Power Electronics is proposed. Main attention is paid to the control system. The paper sets out the functions and requirements to the main controller for a microgrid control system. The ...

A microgrid is a cluster of interconnected distributed generators, loads and intermediate storage units that cooperate with each other to be collectively treated by the grid as a controllable load or generator. Power quality events and pre-set conditions will make the microgrid disconnect from the main grid and operate as a separate island. This paper enumerates and discusses the issues concern...

This paper studies the requirements for a truly wearable augmented-reality (AR) terminal. The requirements translate into a generic hardware architecture consisting of programmable modules communicating through a central interconnect. Careful selection of low-power components shows that it is feasible to construct an AR terminal that weighs about 2 kg and roughly dissipates 26 W. With stateof-t...

Besides saving energy, using it at the right time (i.e. when there is a supply surplus, and the power is produced by sustainable power sources such as hydroelectricity or wind) is an important possibility to achieve positive effects for the environment. To enable the user to align their behavior with the dynamics of the energy generation they need to be informed about the current status of powe...