Do you know how to measure the earth resistance? if so
explain it
- 42 Answers
- 152695 Views
- ABB, BEL, BridgeStone, College School Exams Tests, Dalkia, Dalmia Group, DEC, Electrical, Genpact, HEC, IOCL, JLL, L&T, MSEB, Saraca, Sical, Telecommunications, University Exams, I also Faced
- E-Mail Answers
Answer Posted / zeenath
s i do...it should be less than 1 ohm..for any
clarification plz call me at 09036571568..
Name: Zeenath Kundur
Mobile: 09036571568
Official ID : zeenath.kundur@prithvisolutions.com
Thanks and Regards,
Zeenath Kundur
Project Manager
Prithviinformation Solutions LTD
| Is This Answer Correct ? | 7 Yes | 5 No |
Post New Answer View All Answers
Transformer how to maintaince a check b check c check d check
how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets
FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?
what are the problems that generally occur in power flows??
for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance
for what purpose the star point is done in ct
-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.
I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
hi, could someone help me to find a control design for syncronising panel .
why servomotor motor? where i apply for best output?
What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?
what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks
What do you mean by phasors?
What is the Load Capacity of Panther conductor (0.2) and dog conductor (0.2)
