Answer / deepak

0-0.5 ohms

Answer / thaanya lakshmi

The value of earth resistance in moistue place is 0.152.

Answer / simon

Max 1Ohm.

Why is it preferred to use a wattmeter(s) to measure power in three phase systems rather than using a combination of other instruments e.g. voltmeters, ammeters etc?

2 Answers  

---

What do you mean by isolators and circuit breakers?

6 Answers   Bhushan Power Steel,

---

How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?

2 Answers  

---

What is the height of DA, DAL, DB, DC & DDE tower?

0 Answers  

---

what is practical efficiency of power transformer..?

1 Answers  

---

---

what is the relationship between current&voltage in practical purpose ?

1 Answers   Indorama,

---

How to calculate the NGR value for a 2.7MVA Transfomer, 11KV system where the fault current has to be limited to 50A?

1 Answers   Sterling Wilson,

---

which %age if losses increases when frequency is increased to 25%

4 Answers   Maihar Cement, Siemens,

---

What is mean by sinewave.

0 Answers  

---

what is mean by busbar and what is the difference between busbar,transmissionline,feeder,distribution line

0 Answers  

---

What is the difference between rulling span and wind span of of an Over Head Transmission Line?

0 Answers  

---

how to calculate power factor of capacitor? what is transformer rating?

2 Answers  

---