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Typical Ramped Voltage Test Result For Epoxy-Mica Winding Insulation (Where The Absorption Current Component Is Relatively Small)

The document provides examples of ramped voltage test results for different types of winding insulation materials, including epoxy-mica, aged asphalt-mica, epoxy-mica with cracked insulation, asphalt-mica with a weak spot, epoxy-mica with an incompletely cured repair, polyester-mica with delaminated insulation, and polyester-mica showing surface discharge in low humidity.

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Adel Fawzi
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47 views2 pages

Typical Ramped Voltage Test Result For Epoxy-Mica Winding Insulation (Where The Absorption Current Component Is Relatively Small)

The document provides examples of ramped voltage test results for different types of winding insulation materials, including epoxy-mica, aged asphalt-mica, epoxy-mica with cracked insulation, asphalt-mica with a weak spot, epoxy-mica with an incompletely cured repair, polyester-mica with delaminated insulation, and polyester-mica showing surface discharge in low humidity.

Uploaded by

Adel Fawzi
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
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Typical ramped voltage test result for epoxy-mica

winding insulation (where the absorption current


component is relatively small)

Example of ramped voltage test result for aged


asphalt-mica insulation

Example of ramped voltage test result for epoxy-


mica winding with cracked insulation
Typical ramped voltage test result for asphalt-mica
Example of ramped voltage test result for asphalt-
winding insulation (where the absorption current
mica insulation with a localized weak spot
component is relatively large

Example of ramped voltage test result for an


Example of ramped voltage test result for epoxy-
epoxy-mica winding with an incompletely cured
mica winding with contaminated end windings
repair (i.e., epoxy patch)

Example of ramped voltage test result for Example of surface discharge on endwinding of
polyester-mica winding with delaminated polyester-mica winding
insulation in low relative humidity

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