stabilized winding

stabilized winding

[′stā·bə‚līzd ′wīnd·iŋ]
(electricity)
Auxiliary winding used particularly in star-connected transformers to stabilize the neutral point of the fundamental frequency voltages, to protect the transformer and the system from excessive third-harmonic voltages; and to prevent telephone interference caused by third-harmonic currents and voltages in the lines and earth. Also known as tertiary winding.
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