Based on the analysis of the differential protection of the double winding transformer, the paper presents a simplified ratio restraint algorithms for the three phase, three winding transformer.

在分析双绕组变压器的差动保护算法的基础上，提出了适用于三相三绕组变压器的比率制动式算法，并对判据进行了简化。

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This article elaborates on the work principle of the three winding and brushless PMDC, developing speed controller with AT89C2051 at ultrahigh frequency, its electric circuit principles and software…

本文介绍三绕组无刷永磁直流电机的工作原理，超频使用AT89C2051研制速度控制器，其电原理及软硬件设计、并给予讨论。

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I had to travel three hours on very rural winding country roads in the dark, with steep drop-offs to get there for this opening shot of the day!

为了拍摄那里日出时的美丽景观，我不得不在夜里经过3小时长途跋涉，走过蜿蜒曲折的乡村道路，深一脚浅一脚地到达那里。

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The enormous, winding, three-mile approach road to the Biltmore House, built in the late 1800s near Asheville, N.

FORBES: America's Coolest Driveways

After three weeks on the winding back roads of Puerto Rico, politely knocking on people's doors to ask if they could root around on their land for frogs, the researchers were relieved to find plentiful specimens.

NPR: Alarm Over Vanishing Frogs In The Caribbean

You know, Bloomberg is winding down his three terms...

NPR: 4 min 9 sec