Q3: At the parallel operation of three-phase transformers: a) Give an explanation for the following cases: i. Two-lamps are glow-up ii. Three-lamps are glow-up b) Two three-phase 11kV/ 380 V transformers are connected in parallel to serve a load of 36 kVA at unity power factor. The secondary side current for one transformer is 14.1 A, determine the load sharing for each transformer and the current of the other transformer.

Introductory Circuit Analysis (13th Edition)
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Q3: At the parallel operation of three-phase transformers:
a) Give an explanation for the following cases:
i. Two-lamps are glow-up
ii.
Three-lamps are glow-up
b) Two three-phase 11kV/ 380 V transformers are connected in parallel to serve a load of 36
kVA at unity power factor. The secondary side current for one transformer is 14.1 A,
determine the load sharing for each transformer and the current of the other transformer.
Transcribed Image Text:Q3: At the parallel operation of three-phase transformers: a) Give an explanation for the following cases: i. Two-lamps are glow-up ii. Three-lamps are glow-up b) Two three-phase 11kV/ 380 V transformers are connected in parallel to serve a load of 36 kVA at unity power factor. The secondary side current for one transformer is 14.1 A, determine the load sharing for each transformer and the current of the other transformer.
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