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if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?
1994if two transformers are parallel & both have fault short ckt. impedance of 50KA in each case will it increase or decrease show example?
1 3478-----------means a source which can supply a constant voltage to aload irrespective of the valu of load resistance.
2 4752What is the electrical difference between Earthing Switch (ES) and Maintenance Earthing Switch (MES)?
1 3124how we calculate the knee point of a protection and metering CT and what is the testing procedure.
CS,
1 4549HOW 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.
2050Dear sir, I am working in wind mill division , pls explain Pls explain in details with formula My question is Wind speed 3.5 M/s Gen RPM is 1500 ( 25 K/w Production ) Wind speed 12 M/s Gen RPM is 1500 ( 220 K/w Production ) Why in 3.5 m/s generation was low , why in 12 m/s generation was high , Pls dont explain wind force or wind density , that one already i know For the above question RPM was same why the KW was different Answer : 1. Its depends on the density ( Force ) of the air Sir , Pls explain wit Formula sir
1 4116why stay insulator is not used with stay wire for 11kv Lines. Whereas it is used for LT lines ?
2 14302Post New Electrical Engineering Questions
what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?
What is the importance of earthing?
How many types of probe used in cro?
What is different bewteen low or high impedance busbar protection scheme
exolain the star delta connection
can some one clearly explain why -48 volt DC use in telecom site????
1. what is usage for power factor in industries?? 2.why we need to monitor power factor??
Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?
The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?
I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?
give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model
how to measure the current by compact digital equipment with dislay which fit inside any equipment
how can you size an automatic voltage regulator?
Pleae send me last 5 years of Question book about RRB chennai.
Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?
