Answer / balu

In star connected motor is used for low torque purpose.

And delta connected motor is used for high torque purpose.

Answer / geetartha

star connection is used for ht motors and delta connection
fot lt motors

Answer / 3nath

from above ans's which one is correct

what is the purpose of battery tap voltage.

3 Answers   ABB, Crompton Greaves,

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Can neutral line also be use as a earthting for distribution transformer, or we need separate earthing pit forh the transformer?

1 Answers  

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Uses of induction motor

6 Answers   NTPC,

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diagram for soft stater ?

3 Answers  

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which electrical supply used for long distance traction 1.1-ph 22kv a.c 50hz 2.2-ph 22kv a.c 50 hz 3.dc vtg 4.1-ph 22kv 150 jhz

3 Answers   Power Grid,

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How the main bus bar rating of 400kV switchyard with one and half breaker scheme is calculated.

2 Answers  

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Explain the term parallel path in dc machin ?

0 Answers   UPSC,

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a transformer can beb used as aload?give discription

2 Answers   Esses Eltech Systems,

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i want to model paper for section engg.

0 Answers   Infosys, RRB,

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from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

0 Answers   ABB, HPCL,

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers   SISL,

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which loses are in transformer .explane each loses

4 Answers  

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