Answer / shyam

yes, we can run the IM above the 1500 RPM with variable
freqency device keeping the voltage constant at above the
rated voltage.but the life span of the motor may get
effected.

Answer / predator

Dear How is it possible, Because the company give the rated
speed to that motor is 1500RPM. If we increase the speed to
3000RPM WRT VVVF, that speed should affect it's whole life,
means gradually damaged the motor's bearing, windings
thanks

Answer / girja shanker

Yes, for using Varriavle Speed Drive Panel.
This panel will change Friquincy & Voltage.

what is saturation in transformer

9 Answers   Essar,

---

what is ten delta test? what is the significanse of it

1 Answers  

---

Why Trasformers rated in KVA

13 Answers   College School Exams Tests, HAL, Oil and Gas Jobs,

---

what happens when ac supply is given to the dc motor and dc supply is given to the ac motor?

1 Answers   GATE,

---

1,Building containing 25 flats how much Amp 3 pole MCCB are required? 2, For the safey of each flat how many Amp RCCB can install -loaded with A/C

1 Answers   L&T,

---

what is the difference between earthed and unearthed cable?

24 Answers   Cords Cable, Essar, Torrent Power,

---

what is the meaning of impedance protected in instrument cooling fan

0 Answers  

---

why swinburnes test cannot be performed on series machines?explain

0 Answers  

---

What is the minimum insulation value required for a cable between phase to phase and phase to earth of 380 Vac 50Hz circuit, having load arround 800 amps.

2 Answers   DEWA, TATA,

---

what is difference between c-power & u-power air circuit breaker?

2 Answers   Areva, IIT, Marine Electricals,

---

What is the different between Earthing & grounding?

1 Answers  

---

what is electricial and mechnical interlock.

9 Answers   Control Dynamics, EFS, HP,

---