Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / vijay kumar
NGR(Neutral Ground Resistor) which is connected at the star
point of an alternator or a tranformer..
There two consideration to Select NGR
1) Plant capacity
2) Current carrieng capacity
If any unbalance current occures in any of the phases
that surplus current will alowed to flow through the NGR,
where in Neutral current will suuprssed so that alternator
winding will be in safe,
| Is This Answer Correct ? | 204 Yes | 12 No |
Post New Answer View All Answers
What are the necessary solutions needed to be carried out on a malfunctioned earthing mechanism of a VACUUM CIRCUIT BREAKER.(TAMCO)
Advantage of LT panel vs HT panel
CAN U PLEASE TELL ME SOME G.D TOPICS FOR APGENCO INTERVIEW&G.D
Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.
can i connect REF and Differencial relay in 1 CT core for transformer protection?
Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.
How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?
how did i get the competency certificate as electricle supervisor. iam completed my b.tech.but i dnt have any experince, this certificate is required for applyng ongc mangement trainees. what should i do sir please suggested me
pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..
How would you relate your key competencies to this position?
What are the special cables required for explosion proof wiring?
What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.
which type of effect of turbine and generator reverse power protection ?
how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc
Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?
