Interested to Buy Any Domain ? << Click Here >> for more details...
how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.
- 33 Answers
- 154819 Views
- Brookfield, BSNL, DMRC, Epoch, KPTCL, Polycab, Power Control, SIEA, Siemens, Wipro, I also Faced
- E-Mail Answers
Answer Posted / ramaraj.g
The earth resistance value can be checked by the use of
earth resistance tester (called megger earth tester). The
best earth resistance should be less than one ohm but the
permissible value is less than 5 ohm. For rocky areas it
should be less than 5 ohms.
we using the DMM in check the L - N , N- E ,E- L
this small calc
L-N - 230 v
N-E - BELLOW THE 2 VOLTS IS GOOD ERATH CONN
E-L - 230v IS RECONFORM TO GOOD EARTH OR NOT
L-N = E-L
| Is This Answer Correct ? | 77 Yes | 11 No |
Post New Answer View All Answers
What is Antipumping Function & If we have C.T how we find the Ratio ?
What is the de rating factor of cable? What is the importance of the de rating factor in cable select
Why the field rheostat is adjusted such that the voltmeter reads 380V
How many types of electrical earthing are there?
What is different between Circuit breaker and Isolater?
what are the protecyion of transformer & generators
If rotor works in clock wise what happens
Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.
i m doing DEEE in part time,can i join regular cources in BE,,IF i join what the cources can i select like (civil,ece,IT) ,,kindly advice
Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.
Can you explain about TEE protection scheme?
Dear sir, I completed DECE In the year 1995.Now i am working in a private company from last 10 years as an Electrical supervisor.The company having a 1000 KVA transformer.Now i try to apply "C" Licence. I am eligible or not.If not eligible,pls give solution.
What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks
why EMF IS INDUCED IN A CONDUCTOR WHEN FLUX LINKING WITH IT CHANGES ACCORDING TO FARADAYS LAW.
what is a types of short circuit and what is a types of distance protection tests
