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The lightning protection design of a substation is generally based on the surge overvoltage incoming to the substation, which is generated by the back-flashover across an insulator string of the transmission tower that is closest to the substation and struck by a lightning return stroke. In this case, surges propagate along non-horizontal or non-uniform lines such as the tower and the inclined lines...
During the working period of the ion source of a Neutral Beam Injector (NBI) for plasma heating, the temperature of its transmission line inserted in its snubber rises rapidly. This is because the heating current of the filament and arc reaches over 10 kA for over 100 s, which accumulates large amounts of energy on the line. Rapidly ageing of the wire insulation will occur as the temperature rises...
Among the traditional lightning current monitoring systems, it is hard to ensure measuring lightning currents directly, expediently, accurately and safely at the same time. So aiming at solving the problem of measuring the lightning current on the overhead transmission lines, it is necessary to create a novel lightning current monitoring system based on the differential-integral loop which has been...
The Marxed Blumlein line is a concept that has been touted as a highly compact pulsed power system because it combines the functions of energy storage, voltage scaling, and pulse shaping into a single sub-system. Inherent voltage reversal is compounded in a Marxed arrangement. The voltage reversal and transients induced by the switch jitter in a Marxed configuration require significant derating of...
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