Answer / william lobo

An over load relay acts on thermal bi metal principle and
whenever current exceeds a set value then the bimettalic strip
bends and trips a lever which in turn trips the circuit.

Is there any other method of damping the oscillation in a synchronous motor other than using damper winding and if yes what is it?

2 Answers   IOCL,

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Why in a three pin plug the earth pin is thicker and longer than the other pins?

18 Answers   LG, NTPC,

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If you touch at the end welding machine, will you have shock ?

1 Answers  

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1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

0 Answers   L&T, PK,

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Why VCB is required and ACB is also require? what is the BDV of Trafo of 11/33 KV

1 Answers  

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In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??

1 Answers  

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electricity board have asked me what size meter i need fitted in my garage, its a 415volt supply and i want to run six 20amp supplies tolifts and things plus ten florry lights , what kva meter do i need??

2 Answers   HCL,

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How to resolve if Diesel generator stop while running ?

0 Answers   Toyota,

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if we have 380 KVA DG. how to calculate Power Factor. With detailed formula

1 Answers  

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For 6600/433 distribution transformer we apply secondary side 433 volts how much voltage in primary side.

2 Answers  

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HOW TO CALCULATE EACH PHASE CURRENT WHILE A MOTOR CONNECTED TO STAR- DELTA STARTER?

3 Answers  

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what r the sizes of CB's? how to select CB's?

1 Answers  

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