Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 24 for “"electricity network"”.
-
The value of flexibility : application of real options analysis to electricity network investments
This thesis assesses electricity distribution network investment decision-making methods using a three-step approach, to explore the possible value of flexibility. By applying a simple quantitative framework to an illustrative distribution network decision, it finds that current methods that fail …
-
Planning and Operation of Multi-Vector Energy System with High Penetration of Renewable Energy Sources
… of renewable energy sources (RESs) into current electricity network introduces challenges to the planning and operation of electricity network due to the intermittent nature of the resources which will result in variability and uncertainty in electricity supply. The power-to-gas (P2G) …
-
A multi-objective optimisation approach to the network arrangement of flexible heat demand
The electricity network in the UK is facing a challenging future where environmental and efficiency goals to be met require significant changes in the industry. The rethinking of how distribution networks are arranged and operated is essential due to increasing connections of generation at this …
-
Optimal electric vehicle charging management: coordination of multiple charging methods and technologies
… time and cost and mitigate the stress on the electricity network caused by EV charging, especially during peak hours.
-
Power sector reforms and the poor : case study of Zambia
… increase their affordable access and use of electricity in Zambia. The rationale behind power sector reforms in Zambia include the increase of access to electricity by the majority of the Zambian population through expansion of the national electricity network to cover areas that have …
-
Low-carbon reliable transmission expansion planning with large-scale renewable energy integration.
Modern electricity systems are changed by the following factors: the development of emerging technologies including renewable energy, carbon capture, power electronics devices, the participation of the demand side in the electricity market; the retirement of aging coal-fired power plants (CFPP); …
-
Breaking barriers : an examination and recommendations regarding the role of clean distributed electricity generation in Mexico
… the policy makers in Mexico have aimed to lower electricity tariffs, generate 35% of electricity from clean energy sources by 2024, and reduce greenhouse gas emissions by 30% in 2020 and 50% in 2050 compared to greenhouse gas emissions in 2000. Furthermore, the 2013 Energy Reform aims to promote …
-
Model development for urban climates
… derived from a statistical model of the national electricity network. The scheme is integrated within an existing urban canopy model to capture dynamic feedbacks between energy use and the greater urban environment, and is able to reproduce observed diurnal and seasonal variability in building …
-
Multi-Objective Optimization Framework for Generation Expansion Planning Under Transmission Constraints
South Africa faces a severe electricity supply crisis driven by ageing coal infrastructure, declining plant reliability, and persistent generation shortfalls. While initiatives such as the Renewable Energy Independent Power Producer Procurement Programme have expanded renewable capacity, …
-
The impact of rising electricity tariffs on tariffs on the urban poor : a South African case study
… Africans have benefited from relatively cheap electricity where tariffs have not been cost reflective and kept below inflation. Tariff structures have not fully accounted for the cost of investing in new infrastructure for generating, transmitting and finally distributing electricity to the end …
-
Transients in Electricity Networks with Distributed Generation
… penetration of distributed generation into the electricity network presents new challenges for reliable operation of the whole system. This thesis investigates the micro-grid dynamic performance caused by different kinds of common disturbances such as sudden switching of Photovoltaic (PV) …
-
Energy Services in Sweden - Customer Relations towards Increased Sustainability
… where these interactions comes into focus: Electricity peak load problems and load manage-ment in households; Energy monitoring and feedback, and; The selling of district heating to households in de-tached house areas. Improved customer relations in these areas can both increase the energy …
-
Study of an innovative non intrusive load monitoring system for energy emancipation of domestic users: hardware and ICT optimized solutions
… process of disaggregating a household s total electricity consumption into its contributing appliances. Smart meters are currently being deployed on national scales, providing a platform to collect aggregate household electricity consumption data. Existing approaches to NIALM require a manual …
-
Investigation into transient stability of a nuclear power plant using DIgSILENT
The current electricity crisis, coupled with the lack of generation, has led to a major focus on continuity of supply. The Western Cape has been severely affected, as it only has a limited number of generation sources, namely Koeberg Nuclear Power Station (base supply) along with other power …
-
Small scale embedded generation (SSEG) in Cape Town: a case study on the impact of Cape Town's SSEG regulation
… renewable generation embedded within the electricity network, called Small-Scale Embedded Generation (SSEG). Yet, while such decentralised technologies have taken a central role in discussions on energy transitions in the Global North, their implications in the Global South remain poorly …
-
Multi-purpose applications of energy storage systems in a power system network
… a high penetration of renewable energy into the electricity network. However, the utilization of a BESS for a single application can lead to under-utilization and may not be economical. This thesis focuses on the multi-purpose applications of a BESS in an electricity grid. A novel methodology for …
-
Condition assessment of in-service timber utility poles utilizing advanced digital signal processing and multi-sensors array
… poles currently used in Australian energy networks, which are more than 80% of total utility poles in the network. Due to the advanced age of Australia’s timber pole infrastructure, significant efforts are undertaken by state authorities on maintenance and asset management to prevent …
-
Utility Applications of Smart Online Energy Systems: A case for Investing in Online Power Electronics
… grid, the transmission and sub-transmission networks, should be flexible, robust, resilient and self-healing to cope with wide types of network adverse conditions and operations. Power electronic applications are making a major impact on the present and future state of power systems …
-
Modeling and Multi-Objective Optimization of the Helsinki District Heating System and Establishing the Basis for Modeling the Finnish Power Network
… the basis for modeling the Finnish power network. The optimization of the district heating system is conducted for a twenty four hour winter demand period. Partial load behavior of the generators is included by introducing non-linear functions for costs, emissions, and the exergetic …
Page 1 of 2