How do you maintain the earthing resistance?
Answer Posted / nagarjuna
earthing resistance is maintained below 2 ohms.we should
add salt and water where we r grounding the equipment.
Is This Answer Correct ? | 9 Yes | 3 No |
Post New Answer View All Answers
how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)
How many types of instrument cables are there?
whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?
What is the difference between a verilog task and a verilog function?
What is the function of NER and NET?
how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you
what is mathed of check the D.C MOTOR 181 KW (ARMATURE AND FIELD) WHAT IS THE MATHED OF CHECK THE THYRISTOR MODULE (HIGH CURRENT)
Draw the equivalent circuit of crystal oscillator?
UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?
What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?
why constant voltage transformer should be start without load? and if started then what will happen?
Why is water motor not taking the pressure? what is the problem?
what are the principles of a booster converter?
Dear sir, I completed DECE In the year 1995.Now i am working in a private company from last 10 years as an Electrical supervisor.The company having a 1000 KVA transformer.Now i try to apply "C" Licence. I am eligible or not.If not eligible,pls give solution.
What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)