what is PWM in IGBT and how it works for drive.?

0 Answers   BRG,

---

how do you test tachos and servos

0 Answers  

---

What is the effect of earth capacitance

3 Answers  

---

How to desaturate a saturated CT of PS Class?

4 Answers   Electrical,

---

what is fuction static switch in ups and tell me use parts name and fucion

3 Answers   Dalkia,

---

what is the use of cable in our environment ?

0 Answers  

---

electrical engineering giving priority for insulators rather than conductors, why ?

5 Answers  

---

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

0 Answers  

---

HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

0 Answers  

---

we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

0 Answers   MTN,

---

what is a starter ??

2 Answers   NPTC,

---

As load in a transformer increases, mutual flux linkage in core= A increases B decreases C not change D first increase then decrease

2 Answers  

---