Answer / guest

variable frequency drive

Answer / ramraj beda

variable frequency drive.This drive is used to control the speed of induction motor by controlling its frequency.This is used in fans, pumps, blowers etc.

Where the ON LOAD TAP CHANGER is provided in the setp up transformer?

2 Answers  

---

why various test are performed on electrical panels & power cables before commissioning on site & what are these test???

0 Answers   Lavasa,

---

Why capacitor bank does not require in DG Set?

21 Answers   IBM,

---

Ash AAAC conductor is used for which KV lines

1 Answers  

---

is there any lightning by passer is arranged in ship like buildings?

0 Answers  

---

why the name mho relay,despite the locus of circle is impedance?

1 Answers   KSEB,

---

what are the tests comes under the type test, what tests comes under routine tests.

0 Answers  

---

Explain the Term in CT Name Plate – Class: 5P10

6 Answers   Jindal, SRES,

---

what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?

0 Answers  

---

What do you mean by creepage distance?

4 Answers   Amara Raja,

---

The 3 phase 400 hp 440 volt slip ring induction motor do not take one phase amps why ? The motor is running good condition

0 Answers  

---

why we use copper earthing for neutral while for body GI.

1 Answers   Chennai Metro Rail Limited CMRL, Valeo Lighting Systems India Private Limited,

---