The design, construction and operating condition of grounding equipment affect not only safety operation of power system but also electromagnetic interference of substation.

接地装置的设计施工及运行情况的好坏不仅影响电力系统安全运行，也是影响变电站电磁干扰的重要方面。

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By serious analysis according to Chinese rule, the conclusion and the protection measures for human safety under Single Phase Grounding Fault (SPGF) are summarized.

依据国家规程通过对试验数据的认真分析，总结了单相接地故障时，保证人身安全的结论和措施。

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Transmission line tower grounding is of crucial importance to the safety and stability of power system.

输电线路杆塔接地对电力系统的安全、稳定运行至关重要。

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Concerns over their safety forced the grounding of all 787s in January.

BBC: US lifts Boeing Dreamliner ban

The game began with a safety on an intentional grounding call on Brady, and later, a fumble recovery deep in their own territory was negated by a penalty for too many players on the field.

WSJ: Super Bowl XLVI: Giants Take a Victory Lap That No One Expected

But incidents relating to battery malfunction earlier this year raised some concerns over its safety and led to the grounding of the fleet.

BBC: Boeing 787 Dreamliner