Squirrel -cage motor noisy.
On 24/01/2019 02:14, Peter Jason wrote:
4-pole 3Ph squirrel -cage motor noisy.
A loud buzzing noise has developed over the past
12 months. The motor is not overheating, nor are
the bearings.
Is this serious?
Peter
Loose wires within a coil? douse with kopal varnish?
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