Answer / shahin

Because the star point is needed to be grounded. Which
isn't possible in delta system....

Answer / mahesh sali

in order get the neutral point for earth fault protection
and differential protection ct always connected in star,
ct also used for overload protection by measuring the
balance phase current.

Answer / felixraj

for getting phase measurement and protection

Answer / mu

felixraj is correct...........
welldone

Answer / arvindpanchal75

ALL CT'S CONNECTED IN STAR CONNECTION BECAUSE C.T MEASURE THE PHASE CURRENT,

why the NGR (neutral grounding resistor) always OFF during DG off?

0 Answers   Bhel,

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What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)

17 Answers   Alstom, Call Centre, EDC, HCL, Procon Engineers,

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What is the difference between amorphous core transformer and CRGO core transformer?.

0 Answers   DAE,

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What will happen if we give AC supply to DC motor?

4 Answers  

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what is the value of current as well as voltage upto which we will not feel shock and why?

3 Answers  

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HOW TO CALCULATE AMPs OF CURRENT TRANSFORMER IN HT Panel

0 Answers   MAB,

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why a diode bridge is provided in vcb control circuit ?

2 Answers  

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What is the need of black rock stones under the transformer yard?

5 Answers   TNEB Tamil Nadu Electricity Board,

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what is difference between start imitation and start interlock for 3 phase motor protection ?

2 Answers   OPS,

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How will change the frequency in distribution side?

0 Answers  

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IS there any special instructions to be taken while installing the tranformer.

1 Answers  

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Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

0 Answers   IOCL,

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