AC Coil Specifications
Sealed Coil System
UCM Sealed Coil System
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Withstands salt water, abrasive atmospheres, chemicals and
order starts with a fully documented job card and a mock-up form
to assure uniformity.
UCM COIL CONSTRUCTION
Conductors used are high conductivity 100% virgin copper, HD
3000 heavy enamel coated conductor is normally used or single or
double glass over HD 3000 heavy enamel. Some applications may
require mica turn taped conductors.
Coils are shuttle wound pressed to assure conductor alignment,
dipped in varnish, and oven cured.
Leads are cleaned and coils are spread and checked in a form for
proper shape and uniformity.
Coil leads are insulated using double sleeving or mica tape and
a B-stage epoxy tape. A B-stage epoxy tape lead seal is placed
in the lead breakout area to seal the coil where the lead exits.
Groundwall insulation consists of mica tape and wrapper
combination. A B-stage epoxy tape is applied and a Dacron glass
as an armor. The coils
are dipped and baked in polyester varnish and oven cured.
For 6600 volts and up, a semi-conducting paint is applied to the
slot section of the coil.
All coils are inspected for uniformity and numerous quality
checks are performed during the manufacturing process.
Finished coils are hi-pot and surge tested to IEEE standards. A certification
sheet of test performed and test values for installation is
included with each shipment.
All coils are packed securely with foam and padding to assure
against shipping damage.
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