What is the permissible value of earth resistance!
- 11 Answers
- 33951 Views
- Torrent Power, I also Faced
- E-Mail Answers
Answer Posted / rkshjangra
For large power station = 0.5
for small substation = 2.0
for domestic wiring = 5.0
| Is This Answer Correct ? | 36 Yes | 4 No |
Post New Answer View All Answers
We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.
Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?
why we permissive overreach in distance protection.where it is applicable to use in long r short lines
how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.
please send previous exams question papers
What type of a DC motor would you use for a lift?
which protection function should measure RMS value of current&DFT value of current?
Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks
I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions
what is servo motor & how does it work.
suri transmission
How can we calculate the transformer rating if the load calculated is 1000KW (11Kv Supply)?
wish of these transformer uses oil?
why asa method ZPF method is more accurate than ASA method?
what is the id1 & id2 setting in differential protection relay of CSPC?
