The study is concentrated on the different possible protection systems for lightning. Two experimental tests (in high voltage Laboratory) were made to give the answers if delaying streamer air terminal is effective than franklin rod or not. Experimental test was made to reach the effective number of dissipation point in delaying streamer air terminal. One empirical equation was developed to determining the relationship between the flashover voltage and the number of dissipation points. Another experimental test for breakdown voltage to different air gaps are measured and compared between franklin rod and delaying streamer air terminal.. The experimental results are consistent with the theoretical and the practice.
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