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Single phase to ground fault location based on phase of zero-sequence current
2013 IEEE International Conference on Information and Automation (ICIA), 2013With the continuous development of society and the improvement of people's life, people are increasingly concerning about the safe operation of the power grid, and single phase to ground fault of distribution networks is one of the problems. Because more branch of distribution networks and complex structure, the traditional methods can't achieve ...
Jinjie Li +3 more
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Control of Smart Transformer Under Single-Phase to Ground Fault Condition
IEEE Transactions on Power Electronics, 2020In low voltage (LV) electric distribution grid, the continuity of power supply service is degraded by various grid faults. Even under single phase to ground faults, the continuous operation capability of healthy phases is also limited. The smart transformer (ST) can establish each phase voltage independently and thus can switch the operation mode from ...
Rongwu Zhu, Marco Liserre
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A New Fault Location Algorithm for Single Phase to Ground Faults in Power Distribution Network
2010 International Conference on Measuring Technology and Mechatronics Automation, 2010A new fault location algorithm for distribution network is proposed based on the wide-area synchronizing information. The algorithm is based on the distributed parameters model in the small current neutral grounding system, and constructed a fault location function according to the relationships between the fault current and fault distance, which fully
Shu Tian, Xiaowei Wang, Juanjuan Wang
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Analysis of Single-Phase-to-Ground Fault Generated Initial Traveling Waves
2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific, 2005Analysis of fault generated traveling waves is the base to implement traveling waves based protection and fault location. However, the structure at fault point is not asymmetrical under single-phase to ground fault condition in multi-phase power system, so that traveling waves analysis method of single circuit can not be applied.
null Shenxing Shi +2 more
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A review of single-phase-to-ground fault location methods in distribution networks
2011 4th International Conference on Electric Utility Deregulation and Restructuring and Power Technologies (DRPT), 2011Distribution network feeders are very different from transmission lines due to more complex structures and more branches. The phase-to-ground faults in distribution network will induce larger transition resistance than in transmission lines. The traditional single-phase-to-ground fault location methods for transmission lines are no longer suitable for ...
Yuan Li +5 more
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Transient processes at single phase-to-ground faults in combined grounded networks
2012 Electric Power Quality and Supply Reliability, 2012This paper deals with the combined method of neutral grounding when a high-value resistor is continuously connected to a neutral in parallel with a Petersen coil. Monitoring of processes at single phase-to-ground faults was organized in the 6 kV network of the large-scale iron and steel plant.
Andrey Shirkovets +3 more
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Method for locating of single-phase-to-ground faults in ungrounded distribution systems
2013 IEEE Innovative Smart Grid Technologies-Asia (ISGT Asia), 2013This paper proposes a new method for determining locations of single-phase-to-ground faults in ungrounded distribution system using pre-fault and during-fault fundamental-frequency measurements. The pre-fault measurements along with the load profiles are used to determine load demands for each individual load in a feeder section.
Hongbo Sun +4 more
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Measured impedance by distance relay elements in a single phase to ground fault
2008 International Conference on Electrical and Computer Engineering, 2008Distance relays are one of the mostly used protective devices in the transmission systems. These relays are used as the main and backup protective device. Fault resistance is a source of error for distance relays in the form of the measured impedance deviation from its actual value.
H. Shateri, S. Jamali
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Single phase to ground fault locator for distribution systems with distributed generation
2012 Sixth IEEE/PES Transmission and Distribution: Latin America Conference and Exposition (T&D-LA), 2012This paper presents the definition and the extended application of a fault location technique for power distribution systems based on the well defined equivalent sequence networks. The proposed location technique uses the voltages and currents measured at the main power substation and also at the DG source.
A. Bedoya-Cadena +2 more
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Transient based Single Phase to Ground Fault Distance Computation
2009The subject of this work is location of single phase to ground fault in medium voltage distribution network. The considered distribution network can be grounded or isolated and normally is in radial operation. The fault location is based on the fault generated low frequency transient signals of current and voltage of faulty phase measured in the supply
Gruhonjić Ferhatbegović, Šeila +1 more
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