Results 281 to 290 of about 470,664 (315)
Turbine-Generator Rotor Heating During Single-Phase Short Circuits [includes discussion]
Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems, 1953 M. D. Ross, E. I. King
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2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES), 2021
Distribution transformer is one of the important electrical equipment in power grid. The working state of distribution transformer directly affects the safe and stable operation of power grid. When distribution transformer during short circuit, the short-circuit force will cause distribution transformer damage.
Qian Wang +5 more
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Distribution transformer is one of the important electrical equipment in power grid. The working state of distribution transformer directly affects the safe and stable operation of power grid. When distribution transformer during short circuit, the short-circuit force will cause distribution transformer damage.
Qian Wang +5 more
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Study of Gray Code Implementation for Single Phase Inverter Short Circuit Protection [PDF]
2018 International Conference on Sustainable Energy Engineering and Application (ICSEEA), 2018 Inan electronic circuit, short circuit protection can be done by using passive and active method. The active method is usually using current sensor and/or thermo sensor while the passive method is using trigger design for power circuit such dead time delay trigger or digitally interlock trigger for high side and low side.
Kristian Ismail +3 more
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Influence of single-phase short circuit to TWACS signal
2013 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering (QR2MSE), 2013Previous TWACS models are proposed for no electric power system fault conditions and don't involve the transmission of power system under fault condition. This paper studies the running state and signal detection of TWACS under the condition of single-phase short circuit condition in neutral point ineffectively grounded power system.
Junting Yang +3 more
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Probabilistic Analysis on the Characteristics of Short Circuit in Single-phase Grounding Fault
2019 IEEE Sustainable Power and Energy Conference (iSPEC), 2019In combination with short circuit simulation and wavelet packet theory, the corresponding probabilistic analysis on the characteristics of single-phase grounding faults of distribution network under stochastic context is studied in this paper. There are two pieces of major research works: firstly, the Latin hypercube sampling (LHS) method is adopted to
Haotian Gao +7 more
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Two-Step Optimization for Limiting Three-Phase and Single-Phase Short Circuit Current [PDF]
2018 2nd IEEE Conference on Energy Internet and Energy System Integration (EI2), 2018 With the continuously increasing capacity of modern power system, the problem of excessive short circuit current is becoming more and more severe. Not only three-phase short circuit current (TSCC), but also single-phase short circuit current (SSCC) has exceeded the upper limit.
Ma Linlin +4 more
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Stability of Synchronous Motors Under Single Phase Grid Short Circuits
2018 International Multi-Conference on Industrial Engineering and Modern Technologies (FarEastCon), 2018This paper studies asymmetrical voltage sags caused by single phase short circuits appearing in power grids. Research defines the worst case fault conditions and shows their impact on stability of high voltage synchronous motors. Calculations done within the research take into account the distribution of voltage and current symmetrical components in ...
R. M. Mudarisov, A. I. Fedotov
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Short circuit fault diagnosis in switches of a single-phase full-bridge inverter
2013 Brazilian Power Electronics Conference, 2013This paper presents a method of short circuit fault diagnosis in switches of a single-phase full-bridge inverter, which feeds an inductive load. To diagnose failures, a current limiter and measurements of the variables were used: control voltages, currents in switches and the load current.
Andre Barros de Mello Oliveira +2 more
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2006 12th Biennial IEEE Conference on Electromagnetic Field Computation, 2006
This paper presents a fast and accurate phase variable model of single-phase distribution transformers with internal winding short circuit faults. The flux linkages of windings (including the winding formed with the shorted winding turns) are used as the phase variables.
Osama A. Mohammed, Z. Liu, S. Liu
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This paper presents a fast and accurate phase variable model of single-phase distribution transformers with internal winding short circuit faults. The flux linkages of windings (including the winding formed with the shorted winding turns) are used as the phase variables.
Osama A. Mohammed, Z. Liu, S. Liu
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Single-Phase Short-Circuit Testing of Vacuum Interrupters for Power Systems with an Effectively Earthed Neutral [PDF]
2018 28th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV), 2018 Circuit breakers using vacuum interrupters (VI) are frequently tested according to the IEC standard 62271–100 and the IEEE standard C37.09. The IEC 62271–100 standard was updated to include additional tests for medium voltage circuit breakers, designed to verify successful interruption in electrical power systems with an effectively earthed neutral ...
Dietmer Gentsch +2 more
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