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While elctrical load on DG,capacitor banks kept off why so? If capacitor banks on is their any effect DG?
4 13158why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??
2 4887We have 420volts, Diesel gen-sets each 750kva 4nos. we are operating with bus bar duct having 10x150mm for each face 4nos. our question is what is the minimum gap required between each face? is there any satutory regulations?
1 3520how we have to calculate the short circuit current for 33/11kv 2mva, 7.5% Z, Transformer primary side breaker and secondary side breaker short circuit current for both sides?.
5 15947what is the advantages of Lighting transformer?.. is it possible to reduce the power consumption ?.
6 31693What is the difference between XLPE & FRLS cables? Is FRLS cables is a type of XLPE cable or both r different?
5 95376Why it need to form a capcitor when it not been in use from three or two year. Plz describe it technically.
1935Post New Electrical Engineering Questions
what will be the min and max voltage flow from neutral to earth?
ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]
What is electrical cable termination
why transmission is only 3 phase and not 2 or 4 or poly phases
Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.
What is touch potential and step potential?
why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)
What are the temperature elements?
What is the current carrying capacity of 35sq.mm flexible cable?
how can you size an automatic voltage regulator?
i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value
what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?
explain transformer ct connection?
In single phase capacitor motor, if the motor rotate reverse direction then how much power will be consumed by the motor and why?
which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?
