This paper analyzes why dc system ground fault causes power unit outage and proposes improvement plans. The prevention measures are put into effect.

文章分析了直流接地引起主机停运的原因，并提出了改进方案，实施了防范措施。

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It will hold six batteries for power storage and will use a 120V DC power distribution system, compared to Apollo’s three-battery storage and 28V DC system.

与阿波罗的3个电池储备和28伏的直流系统相比，猎户飞船将有6个电池的电力储存，使用120伏的直流电源分配系统。

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The accumulator is the important part of DC system.

蓄电池是直流系统的重要组成部分。

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Designed to be lightweight and cheap to produce, the robotic bicep upgrade uses a (mostly) aluminum frame, battery-powered DC motor, cable drive system, racket braking and thumbstick controller for movement, with a BeagleBone board supervising the electronics that pull it all together.

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The battery system is capable of handling multiple DC Fast Charges daily.

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But one could imagine switching to a system like the one in Washington DC, where fares are regulated, but anyone who meets minimum service criteria can go into the taxi business.

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