High Impedance Ground Fault
Arcing High Impedance Fault Detection Using Real Coded Genetic Algorithm
... the high voltage feeders in distribution ...cause high-impedance faults in overhead distribution ...traditional ground fault detection devices, thus reliable detection of these ...
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Implementation of Neural Network for High Impedance Fault Detection
... High Impedance faults are safety hazard to Humans, Live stocks and Electric Utility ...enough fault current detectable of low-level ground current using any conventional over-current or ...
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High Impedance Fault Detection Using Neural Networks Deepak Joshi, Ashish Kumar Singh, Avinash Sinha
... High Impedance faults are safety hazard to Humans, Live stocks and Electric Utility ...enough fault current detectable by conventional over current relays or fuses ...low-level ground currents ...
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High Impedance Fault Detection of Distribution Network by Phasor Measurement Units
... to ground and fallen phase current de- creases and protection relays cannot detect fault because current is not more than setting current of ...a high imped- ance thing such as tree ...of ...
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A NOVEL LOGIC TO STATOR SINGLE PHASE - TO - GROUND FAULT FOR POWER-FORMER
... cable-wound high voltage generator is called Power ...an impedance to limit the ground fault current. Reduced ground fault current causes less damage to the stator core and ...
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Performance Analysis of Power line Fault not touching the ground
... of high impedance faults on overhead distribution systems continues to be an unsolved problem for electric ...a high impedance fault does not cause a detectable change in current flow ...
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Rate-Dependence of Rockfill Behavior on Propagated Near Fault Ground Motions
... at ground surface, with respect to the frequency-dependent dy- namic properties of rockll materials, under dierent near-fault motions with dierent velocity periods, is recognized, it is not well ...
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Title: A NEW GENERIC SEARCHING ALGORITHM FOR HIGH FAULT IMPEDANCE DETECTION IN TELEPHONE SYSTEM NETWORK
... High impedance fault (HIFs) on distribution systems creates single challenge for the protection ...touches high impedance surfaces or where the conductors become in contact with a ...
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Wavelet based and database approach for locating faulty section of high impedance fault in a distribution system
... High impedance fault (HIF) is a phenomenon when there is an undesirable electrical contact between a conductor and non-conducting or poor conductivity object or ...touches high ...
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High impedance fault localization in a distribution network using the discrete wavelet transform
... IGH Impedance Fault (HIF) is a situation when an undesirable electrical contact is made between a conductor and non-conducting ...of fault condition exhibits the same arcing problem as a broken ...
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An Overview of Impedance-Based Fault Location Techniques in Electrical Power Transmission Network
... Abstract: Fault location is an important task in power system analysis because an accurate distance- to- fault will assist to restore the power supply in the shortest possible time so as to prevent them ...
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High Selectivity Filter Employing Stepped Impedance Resonators,Series Capacitors and Defected Ground Structures for Ultra Wide Band Applications
... the series interdigital capacitors only slightly affects the pass band frequency response, but alters the stop band attenuation considerably. The position is so chosen as to optimize the stop band attenuation. In order ...
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High fidelity imaging in electrical impedance tomography
... When referring to this work, full bibliographic details including the author, title, awarding institution and date of the thesis must be given e.g.. AUTHOR year of submission "Full thesi[r] ...
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PRESENTING A NEW METHOD FOR IDENTIFYING FAULT LOCATION IN MICROGRIDS, USING HARMONIC IMPEDANCE
... method, fault is detected with respect to changes of frequency component behavior which are caused by wavelet ...the impedance at the inverter terminals increases because the low-impedance ...
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High Impedance Fault Detection in MV Distribution Network using Discrete Wavelet Transform and Adaptive Neuro-Fuzzy Inference System
... As core aim of this research, presents a design of HIF model, its location and classification in MV radial distribution network using the combination of DWT with ANFIS. To accomplish this, the three phase fault ...
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High impedance earth fault modelling
... Single Wire Earth Return (S.W.E.R) Distribution networks were installed by Electrical Distribution entities to distribute power to customers who are remote from Zone Substations and have a low energy demand. As is common ...
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Trip Times Investigation of Ground Fault Circuit Interrupter
... Abstract—The objective of this study is to ascertain the capabilities and limitations of the Ground Fault Circuit Interrupters (GFCI). A GFCI is an electrical device which is designed to protect people from ...
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Analysis of the application of the near-fault ground motions functions
... Near-fault ground motions are characterised, in case of inter-plate earthquakes, by pulse actions with large periods and velocities, and moderate ones in case of intra-plate ...the ground velocity ...
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Ground Fault Location in Distribution System Using MATLAB
... Identifying ground fault location is one of the major issue in power distribution ...of fault, many economic losses, and any devastating impact on people’s ...of fault lines using already ...
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Effects of Ground on Antenna Mutual Impedance for DOA Estimation Using Dipole Arrays
... Abstract—This paper investigates the effects on received mutual coupling of λ/2 dipole arrays placed near real-earth. As a rule of thumb, estimation of mutual coupling can be divided in two regions of antenna height that ...
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