Two grounded systems were analyzed and the correct way to select grounded system was presented.

分析了两种接地系统及怎样正确选择接地系统。

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The way of neutral grounding in 380V LV distribution system was introduced and the characteristics of grounded and non grounded systems were analyzed.

本文介绍了380V低压配电系统中性点的接地方式，分析了接地与不接地系统特性。

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For that the transient zero sequence currents are used only, the criterion is immune to the abnormity of the PT, and it can be applied to all kinds of the neutral indirectly grounded systems.

由于只用到暂态零序电流量，该选线判据不受PT异常情况的影响，可以适用于任意方式的不直接接地系统。

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It is one of the more grounded systems that he developed.

NEWYORKER: The Apostate

The directive outlines the modifications necessary for the much-anticipated Dreamliner to fly again after faulty battery systems grounded the aircraft earlier this year.

CNN: Dreamliners inching toward the runway

The move follows the U.S. Federal Aviation Administration's online posting Thursday of a directive outlining the modifications necessary for the Dreamliner to fly again after faulty battery systems grounded the aircraft earlier this year.

CNN: Japan OKs Dreamliners to fly again