Answer / balajiellapu

power system uses sinusoidul wave.its foam factor is 1.11.any value multiplied with 1.11 always gives value like 3.3,6.6,11 etc
In emf equation also 1.11 value is there
SO values like 6.6kv,3.3kv,11kv,22kv metioned on name plates

I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

0 Answers   HCL, TCS,

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What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.

0 Answers   AES,

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when an induction motor runs on load.at that time if we reduce the supply voltage the current increases.But when it runs without load,if we reduce the supply voltage the current also reduced.why?.i checked it practically also.

1 Answers   Birla,

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what is the purpose of shading ring or shading coil in electrical equipments.

0 Answers   BARC,

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Work done in a free expansion process is

0 Answers   Caterpillar,

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What are the types of control system?

0 Answers  

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1.why is +1+1=+2 why cant it be +3 2.Why is +1*-1=-1 why cant it be something else 3.why are the hilly areas more cooler than the ordinary areas?

5 Answers   ThyssenKrupp,

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Best way to measure the Soil resistance of rocky soil, three probe method and four probe method

0 Answers  

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The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

0 Answers  

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in case of OC+EF relay, how the burden is divided/calculated/shared by the CTs in case of normal (healthy condition) and during fault conditions.? three coils of OC & ef coil is conected in residual connection across the three CTS.

1 Answers  

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Simple calculation of improving power factor?

5 Answers  

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HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

0 Answers   Areva,

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