how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.
Answer Posted / bhavini
earth tester use for measuring resistance of earth pit
should be less than 1 ohm.
Is This Answer Correct ? | 105 Yes | 26 No |
Post New Answer View All Answers
WHY BLADE & JOW OF ISOLETOR IN SUBSTATION?
What is a copper loss or i2r loss pc?
y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..
Mention how NPN and PNP transistor works?
How to convert 2 phase to 3 phase electricpower in induction moter?
How to calculate impedance volt in Transformer?
percetans
What is the lifetime of a Thyristor? Is there a recommended lifetime for thyristors after which they should be replaced?
what is subtransient , transient and steady stateac components
What is servo motor and what are the applications of servo motor?
How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point
What is 11 N1 and 12 N2 in single phase Transformer ?
Why computer humming sound occurred in ht transmission line?
what is the importance of Partial Dischage test for Electrical Equipments
Why Stabilising Resistor used in REF circuit ?