Answer / krushna ch sahoo

its not safe bcoz the instalation of the
motor & the rotor is made for 1500 rpm
speed

Answer / anil

yes absolutly safe. No problem if you use VVVF drive for
this motor.

Bimetal strip used in overload relay what is that,which types of material used for that & percentage.

0 Answers  

---

why two contacts(in series) are using in closing circuit

3 Answers  

---

what is the acb tripping & closing voltage.

2 Answers  

---

what is the sludge current

0 Answers  

---

DC Motors applications used in Lift/Elevators

8 Answers   IOCL, SCS, Usha Martin,

---

---

Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

0 Answers  

---

How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?

1 Answers   JLL,

---

What is the difference between XLPE & FRLS cables? Is FRLS cables is a type of XLPE cable or both r different?

5 Answers  

---

IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)

0 Answers   L&T,

---

what is meant by power and distribution transformer ?

0 Answers   CG,

---

show the single line diagram of star delta starter with single phase preventer

0 Answers  

---

What is an Air COmpressor

0 Answers   DLF,

---