JPS62111670U - - Google Patents

Info

Publication number

JPS62111670U

JPS62111670U JP20282685U JP20282685U JPS62111670U JP S62111670 U JPS62111670 U JP S62111670U JP 20282685 U JP20282685 U JP 20282685U JP 20282685 U JP20282685 U JP 20282685U JP S62111670 U JPS62111670 U JP S62111670U

Authority

JP

Japan

Prior art keywords

temperature

time

operating time

coil

life

Prior art date

1985-12-28

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000009413 insulation Methods 0.000 claims description 4
• 230000006866 deterioration Effects 0.000 claims description 3
• 230000001186 cumulative effect Effects 0.000 claims 2
• 238000010586 diagram Methods 0.000 description 3
• 238000003745 diagnosis Methods 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 1
• 238000005259 measurement Methods 0.000 description 1