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1. The surge transformer is essential for the power grid's stability.
冲击转换器对于电网的稳定性至关重要。
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2. The surge transformer was designed to protect electronic equipment from sudden voltage drops.
冲击转换器被设计用来保护电子设备免受突然电压下降的影响。
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3. The surge transformer is used in lightning protection systems to mitigate the effects of lightning strikes on electrical systems.
冲击转换器用于雷电防护系统中，以减轻雷电对电气系统的影响。