what is the function of commutator in dc motor?

10 Answers   CTS,

---

Why we called L-G fault as line to ground fault why ground? suppose if a line falls on building roof then can we called these fault as line to roof fault? please explain why ground term is used here?

3 Answers   Bhel,

---

WHY NOT CONSIDER PROTONS IN ELECTRICITY LIKE ELECTRIC CURRENT?

1 Answers  

---

what is a starter ??

2 Answers   NPTC,

---

How the value of KVAR of capacitor bank used in switchgears calculated??

2 Answers  

---

---

After completing iti in electrician, how can i get certificate of electrical supervisor? What ia requirements. For it?

0 Answers  

---

What is the difference b/w earthing & grounding?

6 Answers  

---

Draw the DOL starter and star delta starter drawing?

0 Answers   Danfoss,

---

why the air gap is necessary in the transformer core

1 Answers   Eskom,

---

Can you any explain about active,reactive and apparent power in power system with example.

1 Answers  

---

after parallaing two generators current is shooting up in both the generators.for ex: load is 400 kw..after paralling and load sharing current in running gen is approx 900 amps and incoming is 750 amps which is too high when trying toshift the load current in incoming gen is coming more than 1300 amps and both getting tripped and making blackout..

3 Answers  

---

How to calculate the sag on transmission Lines.

0 Answers  

---