what is the ideal earth resistance
Answer Posted / n.srinivasarao
Industrial is 0 ohms +/- .1%
Non industrial is 1 ohms
| Is This Answer Correct ? | 5 Yes | 1 No |
Post New Answer View All Answers
List of equipments required foe industrial repair lab.
why we are using earth pit in sub stations.?
What are the characteristics of negative feedback?
what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation
What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?
what will be the effect if you were using different brands of outlets?
Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.
CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??
why ahould you show client/engineer activities clearly on the project plan
kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased
why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?
In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?
A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram
what happens to the supply voltage if there is any change in frequency?
why transformer tank is in rectangular shape what happen when it is in step shape