Answer / k.prakashchandra

When the insulation is perfect ,only capacitive ( Ic) current is present . Due to deterioration of insulation ,there will be resistance and hence resistive current( Ir ). Ir/ Ic is tan delta

what is harmonics?

1 Answers   powercom,

---

Basic laws governing motor and generator

2 Answers  

---

What is CCTV System???Applications........

16 Answers   Emerson, Honeywell, Joyalukkas,

---

what are the necessary basic electrical topics to learn for mechanical engineer to deal practical problems.

0 Answers   Honda,

---

like the transformer another electrical static device which operate on same priencipal?

13 Answers   Power Grid, Vishal Transformers,

---

---

can we use existing delta star with neutral grounded,step down(6.6kV/415V), 3 phase power transformer bi-directionally.

3 Answers   GMR,

---

hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

0 Answers  

---

what is rotatng magnetic field in case of three or multiple phase alternating current machines???

1 Answers   NHPC,

---

if we have a power factor 0.99 and we add a capacitive bank with it then what happen?

4 Answers   University,

---

How to calculate phase to phase difference ?

0 Answers  

---

why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?

1 Answers  

---

resistance switching is used in case of- ? a. air blast CB b. bulk oil CB c. minimum oil CB d. all types of CB

4 Answers   HCL, SSC,

---