Answer Posted / dibyaranjan pati
NGRs are employed in AC Distribution Networks.It limits the
Restricted Earth Current to a safe value which flows from
the Transformer or Generator star point when an earth fault
occurs in the system without exceeding specified temperature
limits.
Theses are connected between the neutral point of
transformer or generator & the earth.
| Is This Answer Correct ? | 15 Yes | 0 No |
Post New Answer View All Answers
how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?
why are distributed windings generally used in alternators?
what is active power & reactive power?
clarify types of motor operated valves and advantages
when we decide to use soft starter drive or vfd drive in mcc to operate apump?
Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp
How to calculate no of EARTH PIT? Describe the formula as per IS standard?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?
Why neutral cable carry current.
Which type of questions well asked. ?
from which subjects most of the technical que will b asked for hpcl(electrical).pls help me
What is referred to the electron in the outer orbit?
How to select transmission line type (i.e. 11kv or 33kv) for new established industries
what is different between relay and plc?