Five-Year Field Investigation of Lightning Effects on Transmission Lines I-Data Summary and Suggestions for Improved Line Performance
| Autor: | R. H. Schlomann, J. K. Thornton, S. B. Griscom, R. E. Graham, R. W. Caswell, H. R. McNutt |
|---|---|
| Rok vydání: | 1965 |
| Předmět: |
Engineering
business.industry General Engineering Energy Engineering and Power Technology Lightning Field (computer science) Characteristic impedance Reliability engineering Electric power transmission Transmission line Line (geometry) Electronic engineering Electrical and Electronic Engineering business Tower |
| Zdroj: | IEEE Transactions on Power Apparatus and Systems. 84:257-261 |
| ISSN: | 0018-9510 |
| DOI: | 10.1109/tpas.1965.4766189 |
| Popis: | A 5-year field investigation of lightning-stroke characteristics and effects on transmission lines was conducted by means of kineklydonographs (KKs) and other instruments. Results disclosed that characteristics differ in several important respects from previous concepts still widely accepted, and therefore warrant a new survey of line design practices leading to suggested methods for improvements. The initial rates of rise of stroke current are much steeper than is generally believed and tend to be uniform, independent of the current crest. This emphasizes the importance of low tower surge impedance, low tower height, multiple ground wires, and counterpoises. Induced voltages also appear to be more significant than previously believed and, hence, may merit preventive measures. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|