In AC Drives How can change & control its output Frequency?

5 Answers   Jindal,

---

Define de-sensitivity?

0 Answers  

---

The unit of current is the:(a) Volt(b) Coulomb(c) Joule(d) Ampere

2 Answers  

---

UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?

0 Answers  

---

how the vaccum ckt breaker workes..? how the arc is quenching in it?

1 Answers  

---

How is the speed of a DC shunt motor related to the armature current?

0 Answers   GE,

---

what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

0 Answers   TNEB Tamil Nadu Electricity Board, Vestas,

---

i asked a funny question in Electrical ohms law V=IR in const temp voltage is directly proportional to current Power p=VI cos@ in that formula Voltage is indirectly proportional to current Try to give me the fact what is happening in Electrical.. contact Thanigai_1984@yahoo.co.in

3 Answers  

---

EXPLAIN THE FOLLWING: (1) BANDWIDTH (2) SELECTIVITY (3) RESONANT FREQUENCY (4) CURRENT MAGNIFICATION

1 Answers  

---

what use can we make of 3rd harmonic component

5 Answers   Bhel, General Motors GM,

---

An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The slip when motor stalls is A 1 B 0 C 13.33% D 10.33%

0 Answers  

---

Why is earth connected to neutral on transfomer installations

2 Answers   VACC,

---