The biggest advantage of T-T connection over the V-V connection of 3-phase power

The biggest advantage of T-T connection over the V-V connection of 3-phase power transformation is that it provides. 

1.a set of balanced voltages under load 2.a true 3-phase, 4-wire system 3.a higher ratio of utilization 4.more voltages 
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2 Answers

Answer :

The biggest advantage of T-T connection over the V-V connection of 3-phase power transformation is that it provides. a true 3-phase, 4-wire system

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Answer :

3 a higher ratio of utilization
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