Abstract

One of the most important factors to achieve long rotor and stator winding life is the purchase specification of the machine, or in the case of an older machine, the specification of the rewind. This chapter focuses on what could also be considered for inclusion in a purchase specification to achieve the desired life and reliability. Technical specifications for new stator and rotor windings and for the refurbishment/repair of existing stator and rotor windings should have some basic content other than technical requirements. The specific requirements that could be included in a technical specification for a new form-wound stator winding rated 3.3 kV and above, which should give assurance of reliable service over the required life is discussed in the chapter. It talks about the possible requirements for inclusion in technical specifications for new and replacement round rotor and salient pole rotor windings.

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