Answer / suhas

Star Having starting Current is low
And starting torque is high in opposite of Delta

if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

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i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.

0 Answers  

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Difference between KW & kVA

7 Answers  

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To avoid arcing what we connect in earthing.

4 Answers   HAL,

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if a damaged 500kva transformer with %impedance 2.6 is replaced by two transformers of 250Kva with different % impedance will they be able to catter the load. what will be the ratio of load on the two transformers if the % impedance is in the ratio 1:2

2 Answers   Siemens,

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What is a surge supressor why its is used in synchronous generators

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if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required

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as we know that N=120f/P speed of an im can be controled only through changing no if poles, can we control by changing the frequncy????

7 Answers   JSW,

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How would you calculate power loss in a resistor?

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what use can we make of 3rd harmonic component

5 Answers   Bhel, General Motors GM,

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critically criticize the application of ring main unit in power system

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why the secondary current transformer cannot left open

1 Answers  

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