Answer / k.prakashchandra

star

Answer / pritom

Delta

Answer / hrishikesh

Ans is star...
with neutral effectively grounded.!!
http://www.cea.nic.in/power_systems/Design_&_Engg/Standard_Parameter_of_800_KV_Class_Transmission_System_in_India.htm

Answer / gunnamsantosh

for transmission we use delta because we require 3 wires

Answer / v.venkata ramana

DELTA Connection

as for long transmission it is economical to transfer power
with 3 wire

Answer / atul gupta

it is delta.
because from one to another Lilo line is there. & another
to another s/s. it is just like a mesh.
every s/s jointed in grid mesh system. so we can say it is
delta connected..

Answer / krishna

delta

Answer / k.prakashchandra

At 400 KV stations 220/400 KV star connected auto
transformers are employed.There is no star or delta
connection applicable to trans line

Answer / gunnam santosh

mostly by using star because by using star we can reduce odd
harmonics

Answer / masoom raza

delta
as for long transmission it is economical to transfer power with 3 wire rather with 4 wire.

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