Quantcast Motors and Generators-Continued - mo322_20166

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Custom Search
 
  
 


ELECTRICAL
Motors and Generators-Continued
n Protective Equipment:
dirty
signs of arcing
symptoms of faulty operation
improper condition of contacts
burned-out pilot lamps
burned-out fuses
SHUTDOWN INSPECTION (while equipment is not in operation and is
electrically disconnected. A shutdown inspection includes a running inspection.)
n Stators:
dirt
debris
grease
coils not firmly set in slots
burns
tears
aging
embrittlement
moisture in insulation
clogged air slots
rubbing
corrosion
loose laminations of stator-iron
charred or broken slot wedges
abrasion of insulation or chafing in slots
signs of arcing or grounds
n Rotors:
difficult turning
rubbing
excessive bearing friction
7-34





 


Privacy Statement - Copyright Information. - Contact Us

Integrated Publishing, Inc.