Recent content by FarmersFriend

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    Query about eddy effects

    How about replacing the bushes with grommets and cutting a slot between the two holes , the two entries become one with the phase and neutral in it ?
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    Terminating 35mm

    Reducing pin lugs are useful for getting oversized cables into main switches. https://www.swaonline.co.uk/cable-terminations/copper-pin-terminals/uninsulated-solid-copper-pin
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    Earth Leakage in Processing Plant

    How are the output cables from the VSD screened, I’ve had multiple issues with SY cable screen bunched into a tail rather than glanded with the correct glands that have cause all sorts of problems.
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    Dodgy trade pictures for your amusement! - 1 Million Views!

    Some nice 12v rated Scotchloc connectors seem to be fine for lighting circuits ?
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    Overload issue

    Check that the contractors are correctly rated for switching of motors under load, (AC3/AC23) I have found panel builders use the wrong componanrts. As the overloads are thermal the heat from the contactors can cause problems, you could use remote mountings for the overloads to move them away...
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    Cable method for sumerhouse power

    Generator beside the Summer house?
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    Single phase board use with 2 phases

    So is there a main switch on the DB that disconnects all the line conductors from both phases?
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    Series parallel motor starter with auto off proximity sensor

    Sorry but I don't know how to edit posts! company is called proxswith, no Y. DOL 40 Series are the other ones we use for grain handling installations. 1577183967 I have to service a few of the manual rotary ones each year, if I replace any I will let you know
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    Series parallel motor starter with auto off proximity sensor

    If you search for a company called “proxyswitch” they make a really simple, robust time delay switch in the U.K. I use these on most of the grain handling installs I do. They make low voltage and mains versions. On a side note I priced a 68A series parallel Crompton starter from CEF & KEW, KEW...
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    selecting a cable

    Also consider the environment the cable I’d installed in, if ifs a fan in a grain drier ambient temperature could be high, if it’s running through a milking parlour or slurry it will be subject to strong chemical attack. All farm cables seam to be eaten or farmerised (abused?) so install the...
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    UK 480v Split Phase, new workshop, VFD's required

    Another way for the hydraulic drives would be to use engine driven hydraulic pumps 1571251624 1571251792 Split phase is plus and minus 230v (3 wire) plus neutral, it is used where you only have single phase HV
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    UK 480v Split Phase, new workshop, VFD's required

    It may be worth checking out old farm equipment as a source of large single and split phase motors. I work on lots of grain handling installations that only have single phase supplies, one I’m doing at the moment has a 20hp 68a single phase series-parallel motor on the fan! The old starters...
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    Hello from a new guy.

    Split phase is used in the countryside where the farms were connected to the grid during the farm electrification scheme many years ago. They where supplied from 2 wire overhead 11kv dropped to 240v 2 wire with a local transformer which was fine to start with but as equipment became bigger the...
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    Hello from a new guy.

    After lurking around for a while I thought I should get involved! Im based in Gloucestershire (Land of Split Phase 480V!). I mainly do Agricultural Installations. Heres this afternoons entertainment, it the sort of thing I often have to service and repair!
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    • FarmersFriend
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    • Category: Professional Electrician

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