Answer / thilaksugumar

hpcl written w'll b postponed to March 2 nd. anyone have
model qn papers.pl send my mail id
deepanasrisugumar@yahoo.co.in.

Why RCD trips on connecting to one Socket but not trips one other circuit on same RCD.

1 Answers  

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State kirchoff voltage law?

0 Answers  

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what is the working principle of dc motor & its application ?

3 Answers  

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What is the reactive power and how to control the reactive power in power plant

14 Answers  

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) why transformer cannot rotate though the principle behind induction motor is similar to a transformer

3 Answers  

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Let's say I have 2 current carrying conductors C1 and C2 carrying currents of 5A and 10A. They are brought close to each other from a distance of infinity to a distance of 10cm away from each other - 1. What would be the values of current flowing in each conductor when (taking into account effects of interference of each conductor on the other) - a. The currents are AC b. The currents are DC c. C1 is AC and C2 is DC Please explain your answer with mathematical equations and formulas. Please specify the final numeric answer. Please make assumptions and clearly specify them.

1 Answers  

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how we calculate electrical load on a building according to area?

0 Answers   HFCL,

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what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR.

1 Answers   Wartsila,

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Input power is 380 - 450 V but with 45 - 55 Hz frequency - desired output is 415 V and 50hz with 1% variation permissible. CVT / Servo dont stabilize the Frequency - what is best solution??

7 Answers   IOCL,

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What are options used for earthing the switchgear.

0 Answers   KSEB, L&T, Siemens,

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is it necessary for 200 kva transformer to have marshaling box and cu plate earthing for neutral

1 Answers   Blue Star,

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why Batteries & Battery chargers are used in substation? what is the different between UPS & battery charger?

4 Answers   DLF,

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