Assistant engineer interview questions 2016
It is the small scale technologies to produce electricity close to the end users of power.
Run off river
When the breaker close the contact will interlock .That time we are using the auxiliary relay
In Substation we are using the mild steel earth mat of 32 mm diameter in 0.5m depth
The step potential is defined as the potential difference between a persons outstretched feet, normally 1 metre apart, without the person touching any earthed structure.
The touch potential is defined as the potential difference between a persons outstretched hand, touching an earthed structure, and his foot. A persons maximum reach is normally assumed to be 1 metre.
Ans:Adyanpara hydroelectric power project
Capacity :3.5 MW
Time Taken :18 Months
equal line voltage
equal phase sequence
equal phase angle
waveform to that of the system to which it is being synchronized
To reduce the corona loss and skin effect
Moose conductor —400KV and 80 A
Racon conductor —11 Kv and 200 A
Rabbit Conductor —415 V
Dog Conductor — 33 KV
A Penstock is a sluice or gate or intake structure that controls water flow ,or an enclosed pipe that delivers water to hydro turbines and sewerage systems. It is a term that has been inherited from the earlier technology of mill ponds and water mills.
Isolator can be operated at no load ,But AB switch can be operated at light load.Both Air Braeker switches in 11 KV .
creepage distance is the shortest distance in air between two conductive parts.In the case of insulator distance between the surface of the insulator and metal parts .While designing an insulator the creepage distance is mandatory