Titlebook: Current Interruption in High-Voltage Networks; Klaus Ragaller Book 1978 Springer Science+Business Media New York 1978 circuit.energy.engin

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Transient Recovery Voltage in the Short Line Fault Regimewtooth line oscillation is analysed in detail with respect to the line high frequency parameters. The equivalent line surge impedances are then considered in depth for both sequence and modal analysis and the effects of the line physical characteristics, such as conductor clashing, are examined..The

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The Influence of Turbulence on Current Interruptionzero period. The turbulence appears to be produced in the shear layer separating the high velocity plasma flow from the surrounding, low velocity, imposed flow field. These vortex shear layers have similar properties to those of free jets and wakes, about which much information exists in the literat

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Initial Transient Recovery Voltageements of the network and busbars. It is important to determine whether the low impedances of the bars, or the presence of small capacitances connected to the bars, influences the breaking. It is intended to show how the different elements and arrangements of a station may be taken into account and

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Interaction between Arc and Network in the Itrv-Regimenfluence on the recovery voltage of the time variation of the arc voltage and the arc current before and after current zero are analyzed using as an example the normal short line fault. The tools for a theoretical study of the interaction are described: a physical arc model which is applicable to th

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Determination of the Peak Transient Recovery Voltagean switching resistors, and high frequency transients due to short line faults or local system elements are of little significance in the peak regime. Exponential try’s are frequently disguised by a major superposed oscillation caused by parts of the faulted sub-system which lie outside the primary

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Radiative Energy Transfer in Circuit Breaker Arcs arc is approximately isothermal. However, most of this radiation is in the far ultra violet region of the spectrum and is re-absorbed in the outer cold region of the arc. Thus, the electrical energy is largely expended in producing arc plasma rather than lost as radiation. Formulae which result for