Whether earthmat designning is done only for sub station or
it can be done for multy residential complexes also?
What is the size, type & arrangement of the earth grid to
be done?
No.it is done for building campus,
industries,hospitals.large campuses, tv station...
It depends on load,voltage level of source and distribution
sytem.
refer IEEE 80 hand book
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Hello sir This is prakash from bangalore i have a doubt why we have to maintain DG power factor in the range 0.78 to 0.8 Perhaps i f it is increased means what will happen in DG
if the syncronous machine run at leading pf and as its field curret increased its armature current decreased is machine operate as generator or motor?
why 120 devided with pole and speed multiplication to determine frequency
from 33kv to 440v 2mva transformer how much full load current will be at ht side and lt side and which range of ctpt will be used?
Is there chopping current in resistive circuit
what is the use of surge suppresser in 33 KV incoming panel. where it must be installed,inseries with incoming cable surge suppresser must be at incoming of the breaker are outgoing of the breaker
What is difference between ball screw and lead screw.
Can any body tell gulf interview question for experienced electrical engineer ?
what is the solution for meger test failed the MV cable?
What is the electrical difference between Earthing Switch (ES) and Maintenance Earthing Switch (MES)?
Which theory is used in the analysis of salient pole rotor synchronous machines? Who is credited for this developement? Could the same theory be used for cylindrical rotor synchronous machines?
what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?
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