Title :
The analysis of an ungrounded Wye-Delta transformer bank serving an induction motor and single-phase lighting loads
Author :
Kersting, W.H. ; Rathbun, J.S.
Author_Institution :
Klipsch Sch. of Electr. & Comput. Eng., New Mexico State Univ., Las Cruces, NM, USA
Abstract :
This paper documents the detailed analysis of the three-phase ungrounded wye-delta transformer bank serving a combination three-phase induction motor and single-phase lighting load. A 3×3 transfer function matrix is developed that makes it possible to determine the load line-to-line voltages with a knowledge of the primary voltages of the transformer bank. Included in the transfer function matrix are the transformer impedances, unsymmetrical secondary impedance matrix, and the impedances of the motor and single-phase lighting load
Keywords :
induction motors; lighting; load (electric); power transformers; transfer function matrices; 3×3 transfer function matrix; induction motor; load line-to-line voltages; single-phase lighting loads; three-phase; transformer bank primary voltages; ungrounded Wye-Delta transformer bank; Aggregates; Electric variables; Equations; Impedance; Induction motors; Kirchhoff´s Law; Phase transformers; Text analysis; Transfer functions; Voltage;
Journal_Title :
Industry Applications, IEEE Transactions on
