Why earthing is required, and what effect in earthing result
is more than 5 ohm and less than 5 or equal to 0 ohm
Answer Posted / dinesh
EARTHING IS REQUIRED FOR HUMAN AS WELL AS MACHINE SAFTY
WHEN EVER THE LEAKAGE CURRENT FLOW IN THE CIRCUIT .IT PASS
THROUGH THE EARTHING CIRCUIT AND MAKE THE POTENTIONAL
DIFFRANCE ZERO .FOR THIS EARTHIN RESISTANCE IS GOOD AS
LESS AS. APROXIMAT 1 OHM. IS GOOD.
| Is This Answer Correct ? | 16 Yes | 1 No |
Post New Answer View All Answers
what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group
I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?
what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips
If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")
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)
Difference between on line capacitor and Station type capacitor
how the phase convertor changes the no. of phases
What is primary and backup protection?
Salient pole alternator is more stable, why?
2. Modify your design in question 1.a so that the circuit works according to the following function table X Y F 0 0 Clear 0 1 No Change 1 0 Parallel Loading 1 1 Count 3. Design a circuit that detects the pattern 010 in a serial input X considering: 3.a Overlapping 3.b No overlapping
what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????
Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.
WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.
What is the diffrence (Technical & Construction ) between CBCT & Normal CT?
What is meant by vector group