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Procedures for winding synchronous poles

  • October 2003
  • Number of views: 4199
  • Article rating: No rating

Chuck Yung 
EASA Technical Support Specialist 

One of the many interesting things we get to do as repairers of rotating electrical equipment is to rewind the rotating poles of synchronous ma­chines. Handling large poles can present special challenges, but the actual winding process itself can be downright enjoyable—if we are ad­equately prepared. This article will outline procedures that take the mystery out of successful pole winding. The procedures are also helpful for stationary field coils and interpoles. 

One of the first important steps is to draw the connection. Most synchronous rotors are con­nected in series; however, you don’t want to miss a series-parallel connected rotor (Figure 1). 

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ANSI/EASA AR100

More information on this topic can be found in ANSI/EASA AR100
  • Section 3: Rewinding

EASA Technical Manual

More information on this topic can be found in EASA's Technical Manual
  • Section 2: AC Machines
  • Section 3: DC Machines

Related Reference and Training Materials

Principles of Medium & Large AC Motors (NEMA Standards)
  • Section 15: Synchronous Machines

Principles of Medium & Large AC Motors (IEC Standards)
  • Section 15: Synchronous Machines

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Tags: Synchronous motors
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