Spate of Solar-array Failures on SS/L Satellites Traced to Manufacturing Defect

PETER B.de SELDING

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Spate of Solar-array Failures on SS/L Satellites Traced to Manufacturing Defect

机译：跟踪到制造缺陷的SS / L卫星上的太阳电池阵列故障大量出现

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Solar-array failures on three Space Systems/Loral (SS/L) satellites, the latest in June, were caused by the same manufacturing defect that triggered explosions while the satellites were still attached to the rockets carrying them to orbit, according to industry officials familiar with an independent review of the problem.The three failures all related to the satellite solar arrays' inability to correctly vent air as their rockets traversed the atmosphere, resulting in unsustainable pressure buildup when the vehicles encountered the lower outside air pressure at high altitude.

机译：据业内官员称，三月份的空间系统/劳拉（SS / L）卫星上的太阳电池阵列故障是由同一制造缺陷引起的，该缺陷引发爆炸，而卫星仍附着在运载它们进入轨道的火箭上。这三个故障均与卫星太阳能电池板的火箭越过大气层时无法正确排出空气有关，这导致车辆在高空遇到较低的外部气压时会形成不可持续的压力。

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《Space news》 |2013年第1期|68|共2页
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PETER B.de SELDING;
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机译：一种改进的高分辨率混合式步进电机，用于印度遥感卫星的太阳能电池阵列驱动
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Spate of Solar-array Failures on SS/L Satellites Traced to Manufacturing Defect

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