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Studi Perancangan Sistem Pembumian Gardu Induk 150/20 KV di Gardu Induk Garuda Sakti

机译：Garuda Sakti变电站接地变电站150/20 KV接地系统设计的研究

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摘要

The earthing system is a system that should be applied in substations. Its function is to protect both humans and equipments are located around the substation of the danger caused by electrical system fault. The fault that often occurs is short circuit to ground which can cause different voltage gradient between points around the substation. The earthing system is expected to overcome the problems occurred, so that in its design should follow applicable standards. The design of the earthing system at 150/20 kV substation refers to the IEEE Std 80-2000. In this paper, earthing system is designed based on the field datas are extracted from substation Garuda Sakti. Based on design verification, its obtained such as following result i.e. mesh voltage 626.38 V, step voltage 344.46 V, length of the conductor grid 2300 m with 0.55 Ω resistance and the conductor achieved in this design able to cover area of 86, 59 mm2. Overall of design was complience to the IEEE Std 80-2000.Keywords - earthing system, substation, touch voltage, step voltage
机译：接地系统是应在变电站中应用的系统。它的功能是保护位于变电站周围的人和设备免受电气系统故障引起的危险。经常发生的故障是接地短路，这可能导致变电站周围各点之间的电压梯度不同。接地系统有望克服发生的问题，因此在其设计中应遵循适用的标准。 150/20 kV变电站的接地系统设计参考IEEE Std 80-2000。本文基于从Garuda Sakti变电站提取的现场数据设计了接地系统。基于设计验证，其获得的结果如下，即网状电压626.38 V，阶跃电压344.46 V，导体网格2300 m的长度（带0.55Ω电阻）以及在本设计中实现的导体能够覆盖86、59 mm2的面积。总体设计符合IEEE Std 80-2000标准。关键词-接地系统，变电站，接触电压，阶跃电压

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