What is phase cross over frequency?

0 Answers  

---

why dc moter are not earthed ????

2 Answers  

---

how many amps in 1 KVA? V=440v, PF=0.8 and FREQ=50Hz

22 Answers  

---

wht is an AVO metre. and whre it is used?

1 Answers   Mayflower,

---

WHY THE +VE POLARITY OF 48V DC POWER SUPPLY IS USUALLY GROUNDED?

1 Answers   Tulip,

---

---

Why does The speed of motor used in elevator remain constant irrespective of load??

1 Answers  

---

can we use only a isolator in the subtation..

1 Answers   ABB,

---

what is advertised hop count

0 Answers  

---

the minimum clearance b/w ceiling and plane of leaf of ceilng fan shall be ..........mm

1 Answers  

---

What is the difference b/w earthing & grounding?

6 Answers  

---

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

4 Answers   University,

---

in traction which type of supply are used

15 Answers   APGenco, Construction,

---