Single phase to ground faults
Methods in Single Phase to Ground Faults on Power Distribution Systems
... selective ground-fault protection can be detected ...voltage phase comparison: Chunju et al. (2007) has used the phase relationship between the negative sequence current at the fault point and the ...
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Single Phase to Ground Fault Location on 415v Distribution Lines using Artificial Neural Network Algorithm
... locating single phase to ground faults on electric power 415 volts distribution ...test phase performance shows that the average percentage error obtained for the neural network chosen ...
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ANN Based Directional Fault Detector/Classifier for Protection of Transmission Lines
... the phase voltage and current available at only the local end of ...faulted phase and the direction of fault whether it is forward or reverse ...that single phase-to-ground ...
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A NOVEL LOGIC TO STATOR SINGLE PHASE - TO - GROUND FAULT FOR POWER-FORMER
... to ground faults. It not only detect stator single phase to ground fault but also give total protection to stator ...stator single phase to ground fault protection ...
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Voltage Sag Characterization in a Distribution Systems: A Case Study
... short-circuit faults in transmission and distribution lines have become one of the most important power quality problems facing industrial customers and ...but phase- angle jump should be taken into account ...
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Offshore Oil and Gas Platform Transient Over voltages from Ground Fault on Ungrounded System
... Resistance Ground was used at the oil and gas platforms because of the main reason of not having the process in the facility ...the single phase to ground fault control which is offered by the ...
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System Model Stability Studies Of A Single Line, Double Line And Three Phase To Ground Faults, Using Humpage Modified Power System
... a single machine equivalent of power system, through transmission network connected to infinite busbar, with ...three phase, double line and single line to ground faults were ...
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Analysis of Neutral Ground Resistance Behavior of Fourth Refinery Gas Power Plant in Real Short Circuit Faults
... simulate the conditions with due regard to the following: the generators that were in operation when the accidents occurred, the reports presented in Section 1.2 regarding the active load at the instant the fault ...
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STUDY AND IMPLEMENTATION OF WIRELESS AND WIRED COMMUNICATION FOR THE INTEGRATION OF SUBSTATION AUTOMATION DEVICES TO SCADA
... to ground fault, double line to ground fault and 3 phase faults) based on substation conditions, and analyzing issues faced by customers during sending the data to the remote SCADA through RTU ...
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Analysis and Automatic Reset of Three Phase Faults
... temporary faults and permanent tripping for other fault ...some faults which can be temporary or permanent. These faults lead to substantial damage to the power system ...The faults might be ...
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Detection and Location of Faults In Power Transmission Lines To Protection And Maintenance of A Power System
... three phase faults (at one of the phases’ current ...these faults, with the exception of the single line to ground fault at the faulted phase’s current maximum which was included since ...
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ELIMINATION OF HARMONICS AND SHORT CIRCUIT BY USING DVR WITH REPETITIVE CONTROL
... and single and three phase ...grounding faults total harmonic distortions and harmonics and line-line faults, line- ground faults in the power system are compensated by the ...
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Protection of Dc Micro grid From Multiple Line and Ground Faults
... This is a unique protection scheme for dc microgrids on low voltage side as shown in Fig.1. It uses solid state circuit breakers. This control will not shut down the whole system or limit the bus current and will isolate ...
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Power flow improvement using Static Synchronous Series Compensator (SSSC)
... According to the obtained results of bus4 the FACTS Controller device SSSC increased the maximum power across various buses in Line to Ground and Double Line to Ground faults. From the resultant ...
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Bayesian belief networks for fault detection and diagnostics of a three phase separator
... tected faults during the tested scenarios. For each combination of faults (LT1 FS and a second fault) a number of scenarios (out of 48), when either of the faults were undetected, are summarised in ...
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Solar PV Module Fault Analysis Using Artificial Intelligence
... Wiring-related faults are common in electric circuits, there are mainly two types of faults in PV-based installations: Line-to- Ground and Line-to-Line ...
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Analysis of faults in three phase voltage source inverter
... Besides, the advantage of PWM for three phase inverter is reduced filter requirements for harmonic reduction and controllability of the amplitude of the fundamental frequency. Then, the other advantages of PWM ...
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Eliminating Ground Leakage Current in Single Phase Transformerless Grid Connected Power System
... ABSTRACT: Leakage current elimination is most important issue produced in the transformerless inverters in grid connected photovoltaic(PV)system. Improved single phase transformerless inverter topology used ...
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Simulation Modes Of Relay Protection Devices In Networks With Insulated Neutral
... process of modeling three-phase fault at the start of control network in fixed voltage network activated the (MTO) without standard fuse of time as to prevent damaging effect as result of over-current [11]. The ...
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Evaluation of the strong ground motions in the area close to the surface faults
... In Japan, the seismic waves radiated from the shallow soil above the seismogenic zone are not considered in the usual strong motion prediction. However, in the inland crustal earthquakes, the strong ground motions ...
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