Damper winding
The damper winding (also amortisseur winding[1]) is a squirrel-cage-like winding on the rotor of a typical synchronous electric machine. It is used to dampen the transient oscillations and facilitate the start-up operation.[2]
Since the design of a damper winding is similar to the one of the
direct-on-line start and can even be used for the motor operation in the asynchronous mode.[2]
Originally the damper winding was invented by
piston compressors.[2]
The construction of the damper windings is complex and largely based on
pole shoes. There are no bars in the quadrature axis area of the salient pole machines. The bars are terminated on rings or plates encircling the rotor.[2]
References
- ^ Klempner & Kerszenbaum 2004, p. 73.
- ^ a b c d Pyrhonen, Jokinen & Hrabovcova 2013, p. 152.
- ^ Kimbark 1995, p. 11.
Sources
- Kimbark, E.W. (1995). Power System Stability. Power System Stability. John Wiley & Sons. ISBN 978-0-7803-1135-0. Retrieved 2023-07-04.
- Pyrhonen, J.; Jokinen, T.; Hrabovcova, V. (2013). "Damper Windings". Design of Rotating Electrical Machines. Wiley. ISBN 978-1-118-70165-2. Retrieved 2023-07-04.
- Klempner, G.; Kerszenbaum, I. (2004). "Amortisseur Winding". Operation and Maintenance of Large Turbo-Generators. IEEE Press Series on Power Engineering. Wiley. ISBN 978-0-471-61447-0. Retrieved 2023-07-04.
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