| Summary: | e Impulse voltag has a very fast period and a very large peak voltage. This
study aims to determine the effect of impulse voltage flashover to the number of
series arrangement of a ceramic suspension insulators . Testing was done by
giving impulse voltage to ceramic insulators on each series arrangement from 1
until 6. Sphere spark gap was set to produce impuls voltage value . Waveforms
were observed on the oscilloscope . When the waveform was perfect, then no
flashover occurs , but when the waveform was cut at the tail so the voltage value
causing the insulator flashover happened.
It is showed that the value of flashover voltage when used one series
insulator is 195,62 kV, two series is 420,27 kV, three series is 578,03 kV, four
series is 691,62 kV, five series is 813,41 kV, and six series is 923,73 kV. From
the experiment it can be obtained that more the number of ceramic insulators
connected in series the higher was the impulse flashover voltage value.
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