Searched for: subject%3A%22DC%22
(1 - 20 of 267)

Pages

document
Behdani, B. (author), Moghim, Ali (author), Mousavi, Sheyda (author), Soltanfar, Mostafa (author), Hojabri, Mojgan (author)
With the ongoing expansion and interconnection of electrical power systems, alongside the rapid proliferation of renewable distributed generations (DGs), the short-circuit extent in the power grid is experiencing a significant rise. Fault current limiters (FCLs) have been introduced in an effort to address this issue, ensuring the robustness and...
journal article 2024
document
Lu, T. (author), Wang, Ruizhi (author), Tang, Z. (author), Zou, Yiwei (author), Yue, X. (author), Liang, Yansong (author), Gong, Haoran (author), Liu, Shurui (author), Chen, Zhiyuan (author), Liu, Xun (author), Du, S. (author)
This article presents a 10mV-startup-voltage thermoelectric energy harvesting system, assisted by a piezoelectric generator (PEG) as a cold starter. It exploits the fact that when a thermoelectric energy harvesting system is implemented in a place where kinetic energy is also present, the PEG starter can provide a clock signal to start the...
journal article 2024
document
Shetgaonkar, A.D. (author), Karmokar, T.R. (author), Popov, M. (author), Lekić, A. (author)
Real-time simulations have become a crucial tool for life cycle studies of VSC-based HVDC systems. This paper introduces real-time Multi-Terminal HVDC (MTDC) power [1] system network models with real-time wind pro le feedback. It addresses the shortcomings of existing benchmark network models and lls the modeling gaps. ® RSCAD/RTDS...
journal article 2024
document
Lyu, D. (author), Soeiro, Thiago Batista (author), Bauer, P. (author)
This article presents an analysis, multiobjective design, and benchmark of three modified 3 phase shift full-bridge (PSFB) converters that are well-suited for electric vehicle (EV) battery charging applications, covering both typical battery voltage classes (400 and 800 V). These three modified PSFB converters, denoted as the t-PSFB, r-PSFB,...
journal article 2024
document
Yu, G. (author), Yadav, S. (author), Dong, J. (author), Bauer, P. (author)
Triangular current mode (TCM) zero-voltage switching (ZVS) modulation method is widely adopted in power electronic converters to achieve acceptable efficiency in high switching frequency operations. For bidirectional dc-dc converters, in order to realize ZVS turn-on, a reverse inductor current can be utilized for this purpose through variable...
journal article 2024
document
Diab, I. (author), Damianakis, Nikolaos (author), Chandra Mouli, G.R. (author), Bauer, P. (author)
This paper proposes a shared multi-stakeholder PV system for traction substations and nearby residential loads to reduce the need for storage, AC grid exchange, and curtailment. The residential stakeholders offer both the base electrical load and the solar panels installation space needed by the traction stakeholder, who brings the peak load...
journal article 2024
document
Hubers, Martijn (author)
The small and lightweight Lunar Zebro rover must survive in the harsh lunar environment for several Earth days following its moon landing. The mission of the rover is to map the radiation environment on the moon. The success of the entire mission depends on the Power Electronic System (PES), which supplies power to all subsystems and charges the...
master thesis 2023
document
Lock, Niels (author)
To utilize electronic power converters for water electrolysis in industrial electrical networks, reliable testing methods are required to ensure safe control operation as malfunctions can instigate hydrogen explosion and fierce electrical hazards. In this thesis, Digital Twin modeling via OPAL-RT software and hardware is compared to Simulink and...
master thesis 2023
document
Balaji Subramanian, Balaji (author)
LVDC Distribution systems are becoming popular due to the avenue of integrating renewable energy sources on a large scale. Predominant DC based power system architecture has been predicted to serve the needs of a sustainable society that holds the capability to self-generate, share, and trade power produced from renewable energy sources. Bottom ...
master thesis 2023
document
Li, Shuangmu (author)
Switched-capacitor power converters (SCPCs) have emerged as promising alternatives to traditional inductive power converters due to their CMOS integration capability and configurable conversion ratios. However, challenges such as output ripple, power efficiency, and transient response have hindered their widespread adoption. This article...
master thesis 2023
document
Abhyankar, Aashay (author)
Global average temperatures are setting new records compared to the previous decade, primarily due to the accumulation of greenhouse gases such as CO<sub>2</sub>. The growth potential in emerging economies worsens the current global situation. These CO<sub>2</sub> emissions are needed to be curtained and efforts are underway. The emissions...
master thesis 2023
document
Costantini, Andrea (author)
The concept of quantum computing is gaining increasing popularity in the last years due to its potential for running certain classes of algorithms much more efficiently than classical computation. These algorithms span from simulation of quantum mechanical effects to factorization of large number, from simulation of molecules for drug discovery...
master thesis 2023
document
Gong, Haoran (author)
With the great application potential of the Internet of Things (IoT), a reliable power supply solution for IoT plays an important role during the development of IoT and other advanced applications. Among all the options including the electricity grid, batteries, and energy harvesting systems, the energy harvesting systems are considered with...
master thesis 2023
document
Wang, Gary (author)
The development of the Internet of Things has given rise to enormous new industries and applications, including automobiles, smart healthcare systems, smart houses, etc, and the power supply has become the major constraint preventing them from further increasing logic speed. Thus, a SC(switch-capacitance) DC-DC converter with high efficiency,...
master thesis 2023
document
Bhadury, Abheek (author)
There will soon be a huge influx of EV chargers required in the coming years. Therefore it is important to find out the lifetime of EV chargers like the DC Fast Charger for business cases. These chargers are a combination of multiple power converters to help regulate the grid AC voltage to something that can be used to charge the battery....
master thesis 2023
document
Zhang, Jiantong (author)
An isolated bidirectional DC-DC converter is designed for a dual-output EV charger. Various DC-DC converter topologies are compared, including single-output converters and dual-output converters. Then one suitable topology is selected between the multiport CLLC converter and triple active bridge converter based on the simulation performances for...
master thesis 2023
document
Requejo Ruiz, Emilio (author)
The use of DC microgrids in combination with photovoltaic (PV) energy generation sources results in higher efficiencies by avoiding AC to DC conversion. Moreover, bipolar DC grids allow for more system flexibility and increased reliability at the cost of an additional conductor when compared to unipolar DC. However, maximum power point tracking ...
master thesis 2023
document
MC Neil, Kyle (author)
As renewable energy sources and DC energy storage continue to increase in modern power systems, the power electronic converters required to interface them with existing power grids are also rapidly increasing. This is resulting in increasing amounts of the total power exchanged on the grids being converted between DC and AC. Additionally, the...
master thesis 2023
document
Zhou, Xiaochuan (author)
Rural electrification remains a significant challenge for engineers, given its intricate relationship with multiple issues, including geographical constraints and underdeveloped infrastructural provisions. As a result, with the development of Solar Home Systems (SHS) and direct current (DC) microgrids, DC systems for energy access have emerged...
master thesis 2023
document
Bikkina, Deepak (author)
Recently, there have been numerous DC microgrids coming up in every sector. Some of these microgrids operate as independent entities with their own renewable energy sources, active loads, distribution networks and energy storage units. However, they are not highly reliable as the renewable energy sources are location and climate dependent....
master thesis 2023
Searched for: subject%3A%22DC%22
(1 - 20 of 267)

Pages