The grounding of power systems above 600 volts: A practical view point

被引：17
|
作者：
Nelson, JP [1 ]
机构：
[1] NEI Elect Power Engn Inc, Arvada, CO 80001 USA
来源：
INDUSTRY APPLICATIONS SOCIETY 50TH ANNUAL PETROLEUM AND CHEMICAL INDUSTRY CONFERENCE | 2003年
关键词：
acceptable risk; multi-grounded system; resistance grounding; reactance grounding; single point grounded systems; solidly grounded systems; stray current and stray voltage;
D O I：
10.1109/PCICON.2003.1242595
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper discusses grounding practices used on electric distribution systems above 600 Volts. In particular, the paper concentrates on the three-phase four-wire, multi-grounded neutral system that is extensively used in North America. The paper addresses the benefits of the multi-grounded power system and makes comparisons with other grounding system designs including ungrounded; three-wire single-point grounded; three-phase, four-wire single point grounded neutral; and the three-phase, five-wire systems. Advantages and disadvantages of each system will be discussed. Some criticism regarding stray currents and stray voltages has been made of the multi-grounded neutrals on electric distribution systems and this will be discussed. Technical responses will be made to these comments including a discussion on reasonable solutions, alternative designs, and "acceptable risks."
引用
收藏
页码：13 / 22
页数：10
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