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Buried cable temperature monitoring

Jam
Hi all,


I am aware of tell-tale temperature stickers that can be placed on cables, conductors etc where overload is suspected. However, once buried this would of course be rather hard to inspect, certainly on a regular basis!


Does anyone have any recommendations for cable temperature monitoring setups that could be retrofitted relatively simply and connected to an existing data acquisition system, posssibly to trigger load reduction if necessary but that might be the advanced course.


I'm thinking of a few thermocouple patches under wraparound sleeving for waterproofing, going into a suitable device above ground, but this kind of sensor isn't my area and I don't want to reinvent the wheel if possible.


Thanks in advance,


J
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  • 0
    Thanks both, much appreciated.

    Agreed that the better answer would be a larger cable for a new build, but the application is an existing cable in multiple locations about a site and the client is keen not to have to replace them all only to find that they have been providing adequate service; this would be part of a wider package including more detailed retrospective calculations and electrical testing.
    broadgage‍ interesting idea to indirectly infer temperature from resistance. Might not work in this case because there are several different installation conditions in play, but certainly one for the memory bank.

    I have tried to send you PM Alan Capon‍ but its failed (have struggled to reply to them in the past so apologies if its me)
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  • 0
    Thanks both, much appreciated.

    Agreed that the better answer would be a larger cable for a new build, but the application is an existing cable in multiple locations about a site and the client is keen not to have to replace them all only to find that they have been providing adequate service; this would be part of a wider package including more detailed retrospective calculations and electrical testing.
    broadgage‍ interesting idea to indirectly infer temperature from resistance. Might not work in this case because there are several different installation conditions in play, but certainly one for the memory bank.

    I have tried to send you PM Alan Capon‍ but its failed (have struggled to reply to them in the past so apologies if its me)
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