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 156 for “"Power transmission"”.
-
Metamaterial Enhanced Wireless Power Transmission System
… the possible benefits of transmitting power wirelessly as early as 1891. Applications for the military, consumers, emergency personnel, remote sensors, and others use Tesla’s discovery of wireless power. Wireless power transmission (WPT) has the potential to be a common source of …
-
Modeling wireless acoustic power transmission systems
… of electromagnetic energy, acoustic wave transmission is often used for data communications and could be a viable option for wireless power transfer. Such a power transfer system design would need to incorporate the behavior of the entire acoustic channel, taking into account the …
-
Wideband high-power transmission line pulse transformers
Geometric transformers are often used in radar and communications systems to transition between signal driving and radiating elements that terminate in significantly different geometries with unity input/output impedance. This work demonstrates the design and construction process of a geometric …
-
Voltage Security Optimization for Power Transmission Systems
… an optimization approach for day-ahead reactive power planning to ensure voltage security in transmission networks. The problem is formulated as a voltage-secure multi-period optimal reactive power dispatch (MP-ORPD) problem. The optimization approach searches for optimal set-points of dynamic …
-
Accurate fault location for power transmission lines
… a new accurate fault location technique for power transmission lines. The technique is based on a distributed parameter line model which inherently accounts for line conductor asymmetry and shunt capacitance. The accuracy of the new technique is not significantly affected by fault resistance, …
-
Monitoring and evaluation of power transmission projects in Zesco
… utility company responsible for generation, transmission and distribution of electricity. Transmission projects in ZESCO are one of the several projects that the utility company undertakes. Currently ZESCO has no prescribed guide that can be used for monitoring and evaluation of projects. The …
-
Monitoring and evaluation of power transmission projects in Zesco
… utility company responsible for generation, transmission and distribution of electricity. Transmission projects in ZESCO are one of the several projects that the utility company undertakes. Currently ZESCO has no prescribed guide that can be used for monitoring and evaluation of projects. The …
-
An investigation of oriented polymers for power transmission applications
… in the design and manufacture of mechanical power transmission belts has been investigated. Working from an initial selection of polymers a die-drawing technique for orienting the polymers was devised, and the static and dynamic mechanical properties of the oriented polymers were …
-
Wireless communication system for data transfer and wireless power transmission
Powering wireless communication devices remotely is necessary when a user of the communication device has limited access to battery power or the resources necessary to constantly replace the batteries. This research is focused on remotely charging a communication device by using the power of the …
-
The competitive potential of high-temperature superconductors for power transmission
… research and development of these materials for power transmission cable applications. This thesis examines the competitive potential, on a cost-performance basis, of high-temperature superconductors as compared to conventional transmission lines. Toward this end, a broad survey of the literature …
-
Wireless power transmission utilizing a phased array of Tesla coils
… can be linked in a phased array for the wireless transmission of electrical power. A detailed derivation of their operational theory is presented with a strong emphasis on the current and voltage waveforms produced. Formulas are presented relating the features of the waveforms to specific …
-
Optimal structure of US power transmission system for targeted investments
… and deregulation of the U.S. Electrical Power Industry and its impact on the structure of Transmission System. The results of introducing competition in generation and creating wholesale market for electricity are evaluated. The problems in the U.S. Electrical Transmission System are …
-
Incentive structures for electric power transmission investment in a deregulated environment
Thesis (S.M.)--Massachusetts Institute of Technology, System Design & Management Program, 2003.
-
Automated detection and prediction of electrical disturbances in a power transmission system
As power quality becomes a higher priority in the electric utility industry, utilities simply do not have the required personnel to analyze the ever-growing amount of data by hand. This thesis presents an automated approach for the analysis of power quality phenomena within a power transmission …
-
Power Transmission Loss Due to Periodic Loading In Multi-Gigabit Data Signaling Interconnects
… influence the performance of PCB signal transmission. </p> <p>The nature of micro-scale periodic structures of PCB materials is not well understood, especially at millimeter wavelength frequencies required to transmit high-speed digital signals. Researchers have observed unexplained …
-
Design of a wireless power transmission system for sensors in a household environment
… is designing an economically viable means to power them at such a large scale, which a wireless power transmission system could facilitate. This thesis addresses the challenge of selecting an appropriate strategy for power transmission and demonstrating its feasibility within a household …
-
Analysis and Planning of Power Transmission System Subject to Uncertainties in the Grid
Power transmission systems frequently experience new power flow pattern due to several factors that increase uncertainties in the system. For instance, load shape uncertainty, uncertainty due to penetration of renewable sources, changing standards, and energy de-regulation threaten the reliability …
-
Design of power delivery networks for noise suppression and isolation using power transmission lines
In conventional design of power delivery networks (PDNs), the PDN impedance is required to be less than the target impedance over the frequency range of interest to minimize the IR drop and to suppress the inductive noise during data transitions. As a result, most PDNs in high-speed systems consist …
-
Investigating the application of Static Synchronous Compensator (STATCOM) for mitigating power transmission line losses
… degree of Master of Engineering in Electrical Power Engineering, Durban University of Technology, Durban, South Africa, 2017.
Page 1 of 8