Answer Posted / puneet

ALL ANS. ARE CORRECT, BUT I WAN TO KNOW THAT WHERE IN THE DISTRIBUTION SYSTEM STEP-UP TRANSFORMER R USED! SO THE OUTPUT SIDE IS NOT HV BUT LV..

Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

1043

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how does high earth to neutral voltage affects electronic circuit?

1296

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How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.

1872

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HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

1627

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I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

3522

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please describe the Transformer setting, Motor setting, I/C setting, Tie setting

1270

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What is time invariant system?

692

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What is the drawback of class b amplifier? How is this minimized?

672

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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above

1758

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Readings of ER300P Trivector meter

5853

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What is the formula to find out two phase active & reactive power

1703

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Explain the working of variable frequency transformer?

660

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why the check zone and main zone are used for Busbar Protn. scheem?

1671

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As you achieve greater success with the company after some years, Will you like to be a share holder in our company?

2391

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slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock

1474

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