Earth potential rise

（重定向自HVI）

A computer calculation of the voltage gradient around a small substation. Where the voltage gradient is steep, a hazard of electric shock is present for passers-by.

In electrical engineering, earth potential rise (EPR) also called ground potential rise (GPR) occurs when a large current flows to earth through an earth grid impedance. The potential relative to a distant point on the Earth is highest at the point where current enters the ground, and declines with distance from the source. Ground potential rise is a concern in the design of electrical substations because the high potential may be a hazard to people or equipment.

词汇	HVI
分类	英语词汇英语翻译词典
释义	HVI 英汉-汉英词典 abbr. High Viscosity Index 高粘度指数词组 \| 习惯用语您要查找的是不是： hi int. 嗨！（表示问候或用以唤起注意） VI abbr. 美国维尔京岛之邮递区号（Virgin Islands）；垂直距离（vertial internal） HIV abbr. 艾滋病 HVI abbr. 大容量测试仪（High volume instrument）；高粘度指数（High Viscosity Index）；高可见度图像（High Visibility Image）网络短语: HVI testing results HVI测试结果 HVI testing HVI检验 HVI Instrument HVI仪器 SUNOCO HVI 高黏度指数液压油 CTSR-HVI 康富涂层 HVI test HVI测试 HVI Hypervelocity Impact 超高速碰撞 HVI test method HVI测量方法 Esso Univis HVI 埃索优力威HVI 英语百科 Earth potential rise （重定向自HVI） In electrical engineering, earth potential rise (EPR) also called ground potential rise (GPR) occurs when a large current flows to earth through an earth grid impedance. The potential relative to a distant point on the Earth is highest at the point where current enters the ground, and declines with distance from the source. Ground potential rise is a concern in the design of electrical substations because the high potential may be a hazard to people or equipment.
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HVI

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网络短语:

Earth potential rise