Answer / rajesh kumar reddy

if we give ac supply to dc loads the heat will be developed
due tom the presence of frequency in ac supply.

Answer / ibrahim

for example if we give ac supply to dc motor which coverts
ac into dc insie motor which cause heating the winding.......

Answer / sachin

If we provided DC supply to AC Load it wont work can burn
the load.

and DC volt if provided to AC Load will burn the load.

why the substation require din electrical system?

1 Answers  

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plz tell me about for how many rating (for 500kva)how much current taken?

13 Answers  

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what is the differance of acb and mcb and mccb

12 Answers   MacAir, MDS,

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what is the difference b/w winding insulation class and winding temperature class?

6 Answers   Bhel, NDPL, NTPC,

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in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"

11 Answers   Bhel,

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what is phase to phase voltage? what is line to line voltage

46 Answers   Exmar, HBL Power Systems,

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what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.

0 Answers  

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What is the working principle of servo motor? And explain it.

0 Answers  

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Since phi is the angular displacement between V & I, then why we use phi in power triangle ie. when showing active, reactive & apperent power in triangular manner & if it is ok then where is V & I in the triangle.

1 Answers  

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what is meaning of bus riser

0 Answers   TeamLease,

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can indirect loading be called as phantom loading?

0 Answers  

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what is demagnetising effect & crossmagnetising effect and how it is related to electrical system?is there any more effects are available or only these two??

1 Answers   Telco,

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