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 43 for “"Fault Location"”.
-
Fault Location in Series Compensated Transmission Lines
… transmitted through them. Therefore, an accurate fault location becomes a prerequisite for limiting the loss of revenue and power continuity. However, fault location in series capacitor compensated transmission lines face multifaceted challenges due to the variety of factors including but not …
-
Accurate fault location for power transmission lines
This thesis describes 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 …
-
Intelligent Fault Location for Smart Power Grids
… delivery of electric power. The complexity of fault location problem increases with the proliferation of unusual topologies and with the advent of renewable energy-based power generation in the smart grid environment. The proliferation of new Intelligent Electronic Devices (IEDs) provides a …
-
Fault Location in High Voltage Shunt Capacitor Banks
… proposes methods to address the challenges in fault location of SCBs. The proposed methods apply calibrating factors that compensate for pre-existing inherent unbalances, and system voltage unbalances. They can mitigate the gradual capacitance change due to temperature effects or natural aging. …
-
Intelligent distribution fault location using voltage magnitude measurements
… low-cost, easily deployable manner. Traditional fault location methods use both current and voltage data. Voltage monitoring devices only collect voltage data, but these sensors can collect this data anywhere along the distribution lines. An intelligent, iterative simulation-based fault location …
-
Smart Meter Data-Driven Fault Location Algorithm in Distribution Systems
Whenever there is a fault in the power system, the reliability of the network is compromised. This is why fault should be located as fast as possible and the system must be restored to the pre-fault values. Fault location and restoration is one of the functions of Distribution Automation (DA). In …
-
Fault location on EHV lines using wideband spread spectrum techniques
Electrical authorities require fast and accurate fault locators to protect tha quality of supply and reduce outage times. Spread spectrum techniques perform well in high noise environments such as power lines and their use in radar ranging is well known. Existing power line carrier (PLC) equipment …
-
Digital simulation of fault location algorithms for EHV transmission lines
… thesis investigates the development of accurate fault location algorithms for EHV transmission lines based on digital simulation techniques. This research covers detailed analysis of the theory of travelling waves on transmission lines, including the frequency variance of the parameters. The …
-
Built-In Schemes for Test Pattern Generation and Fault Location
… BUILT-IN SCHEMES FOR TEST PATTERN GENERATION AND FAULT LOCATION MAJOR PROFESSOR: Dr. D. Kagaris In this dissertation, we studied the areas of test pattern generation and fault location for detecting and diagnosing the faults in today's complex chips. In the first problem, a novel reseeding based …
-
Two-Stage Fault Location Detection Using PMU Voltage Measurements in Transmission Networks
Fault location detection plays a crucial role in power transmission network, especially on security, stabilization and economic aspects. Accurate fault location detection in transmission network helps to speed up the restoration time, therefore, reduce the outage time and improve the system …
-
Synchrophasor-based Fault Location Detection and Classification, in Power Systems, using Artificial Intelligence
… Therefore, it is customary to correctly identify fault locations in an electrical power network, in order to rectify faults and restore power supply in the minimum possible time. Many automated fault location detection algorithms have been proposed, however, prior art requires topological and …
-
Implementation of the IEC61850 international protocol for accurate fault location in overhead transmission lines
… superiority to assist personnel in the precise location of faults. The ability of these IEDs to generate an abundance of valuable network data through information exchange of relays, permits power authorities to capitalise in areas such as control, protection, monitoring, fault recording and …
-
Improving fault location through interpole analysis of circuit breaker and automatic reclose scheme operation
… evaluation of novel single ended impedance based fault location methods, which are easy and economical to implement in practice. The conventional single ended impedance based fault location methods normally suffer from negative effects associated with variability and inaccuracies in fault …
-
PMU-Driven Fault Location in Distribution Systems with DERs: Impedance-Based and Multi-Agent System Strategies
… system awareness and observability, making fault detection and isolation essential for rapid reconfiguration and service restoration. The growing demand for power quality, security, and reliability has driven distribution system operators to deploy advanced measurement and communication …
-
New Algorithms for Locating Faults in Series Capacitive Compensated Transmission Lines
The precise location of the fault in a series capacitive compensated transmission line (SCCTL) plays an integral part in limiting the maintenance time following its tripping due to the occurrence of a permanent fault. Since, an SCCTL acts as a huge corridor of power, its outage will result in huge …
-
A voltage-only method for estimating the location of transmission faults
… with actual data, a new voltage-only based fault location procedure that incorporates the system impedance matrices into the problem so that as few as three or four voltage recording devices can estimate the fault location over a wide area. This procedure can quickly help pinpoint the fault …
-
A Multi-Agent Design for Power Distribution Systems Automation
A new Multi Agent System (MAS) design for fault location, isolation and restoration in power distribution systems is presented. In proposed approach, when there is a fault in the Power Distribution System (PDS), MAS quickly isolates the fault and restores the service to fault-free zones. …
-
Manual and compiler assisted methods for generating fault-tolerant parallel programs
Algorithm-based fault-tolerance (ABFT) is an inexpensive method of incorporating fault-tolerance into existing applications. Applications are modified to operate on encoded data and produce encoded results which may then be checked for correctness. An attractive feature of the scheme is that it …
-
On the design of reconfigurable ripple carry adders and carry save multipliers
The fault location and reconfigurable designs of Ripple Carry (RC) adders and Carry Save (CS) multipliers are studied in this thesis. The proposed designs can locate a faulty cell and reconfigure the faulty array to tolerate the faulty cell. Laser programming technique is used for fault location …
-
A Novel Method for the Location of High Impedance Faults
… system reliability and minimize the impact of faults in a distribution system, a timely restoration is needed which requires accurate fault localization. Locating High Impedance Faults (HIFs) is specifically challenging because of their variable and nonlinear nature. Most existing approaches …
Page 1 of 3