ELF7 – portable earth fault locator
$20.00
The ELF7 is designed to help a service team with finding a problematic line segment. The measurement is done directly under the overhead MV lines and the device automatically records the earth fault appearance and defines its relative position.
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Description
The location of earth fault from values measured in substations is still not reliable, so a field personal check is still used.
The ELF7 must be in parallel orientation with lines, no matter, which direction. The result of measuring process is the information, if the earth fault is between a measured place and a substation or behind a measured place.
Basic benefits:-
easy and fast earth fault location, power outage time saving; during the locating, the network is not decompensated, limitation of dangerous touch voltage, limitation of fire risk and other destructions caused by high current at earth fault place.
Note: ELF7 is primarily designed for using in compensated (resonant earthed) networks with active component connecting. According to the customer demands, it can be supplied also the versions for using in resistance earthed and isolated networks.
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