AS32 - Surge Generator

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32kV Surge Generator
Description

AS32 is a Surge Generator which is the backbone in cable fault location. It’s used for both
pre-location and also pinpointing jobs. Pre-location is an initial process to pre locate the
cable fault. AS32 offers its capability on doing the task by two methods which is Impulse
Current Method(ICE) and Arc Reflection Methods(ARM).

By ICE method, AS32 ignites an arc at the fault. This results in a transient wave (i.e. a
spreading and repeatedly reflected travelling wave) between the fault and the surge
wave generator. An inductive coupler records this transient wave using the ATDR100
reflectometer.


By ARM, it combines the AS32 and ATDR100 for the purpose of locating faults.
When a high voltage breakdown surge is applied at the same time that the pulse echo
pulses are sent, when the fault breaks down due to the high voltage surge and the arc jumps
through the faulty insulation, the pulse echo wave will reflect off that arc.

 

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