wath is skin effect?9 5425
How many earthing pits required for diesel generator set ? Why ?1 5785
what is the fuction of electrical transducer in control pannel?6 3284
whate is aelectrical power fector for exampal8 6235
We have 800KW motor operating at 6600Volt,50 Hz supply.During 1st startup it tripped on overcurrent trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad was set on .94 initially.then we set at 0.97 and then it started fine.i dont understand why it tripped first?What are the protections which comes in picture during starting ?6 4830
what happen when dc shunt motor field is sudden open in running condition33 47890
How conventional fire alarm system works?1 814
WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?
how to choose the cable rating for load (KW)? EXAMPLE.50KW load14 138355
whats the diff b/w mpcb and mcb?weather it trips on single phasing or not.9 10579
Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.
What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?
What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?
What will happen if i used 11KV earth ht kit to 11 KV / 11 KV cable termination?
Ratings of power transformer,Distribution transformer.
Lt motor sfu flashing reasons?
How to know of any cable size if there are not written on cabl?
How to size Air Circuit breaker (ACB)? What is the most important factors?
can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)
What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.
what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?
we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards
Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz
what is the breaking capacity and making capacity of circuit breaker and how