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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Phayomhom, A. Sirisumrannukul, S. Kasirawat, T. Puttarach, A. |
| Copyright Year | 2010 |
| Description | Author affiliation: Power System Planning Department Metropolitan Electricity Authority (MEA) Bangkok, Thailand (Phayomhom, A.) || Department of Electrical Engineering, Faculty of Engineering, King Mongkut's University of Technology North Bangkok, 1518 Pibulsongkram, Bangsue 10800, Bangkok, Thailand (Sirisumrannukul, S.) || Chiang Mai University, Thailand (Puttarach, A.) || Operation Research Department Provincial Electricity Authority (PEA), Northern Region, Chiangmai, Thailand (Kasirawat, T.) |
| Abstract | This paper analyzes the performance of grounding system that is made of copper conductors and significantly influenced by soil resistivity. The grounding performance is evaluated in terms of ground potential rise, touch voltage and step voltage caused by a short circuit that generates a flow of large currents in the aboveground structures and grounding system and dissipates in the soil. These currents may cause damage to substation equipment and may be dangerous to personnel working nearby. Safety design planning for step and touch voltage for the existing fault level and future fault levels are presented for utility applications where personnel hazards may exist. Modeling and simulation is carried out on the Current Distribution Electromagnetic interference Grounding and Soil structure (CDEGS) program. The safety design planning is illustrated by a practical case of ground grid design for the 69/12– 24 kV, indoor-type Pathumwan substation of Metropolitan Electricity Authority (MEA). |
| Starting Page | 298 |
| Ending Page | 302 |
| File Size | 1587776 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424456062 |
| e-ISBN | 9781424456079 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-05-19 |
| Publisher Place | Thailand |
| Access Restriction | Subscribed |
| Rights Holder | ECTI |
| Subject Keyword | Substations Ground grid Grounding Power system planning Touch voltage Ground potential rise Personnel Circuit faults Step voltage Power distribution Voltage Soil Safety Performance analysis |
| Content Type | Text |
| Resource Type | Article |
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