In VSD (variable speed drive)I/P and O/P connections given wrongly what will happen?

5 Answers  

---

Piezoelectric materials serve as a source of:- A. Microwaves B. Ultrasonic waves C. Musical waves D. Resonant waves

3 Answers  

---

what is the difference between ac motor and dc generator

0 Answers   ETA,

---

How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

0 Answers   HAL,

---

How do we find the rating of a transformer, if it got burnt badly.

0 Answers  

---

what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.

0 Answers  

---

for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

0 Answers  

---

Is there any difference of regulation of transformer, alternator , transmission line, if yes, what is it?

1 Answers  

---

How will you determine the rating of a motor for continuous duty variable load motor applications?

1 Answers  

---

Can a transformer be used as voltage or current amplifier?

3 Answers   BPDB, REB, Riaz,

---

why we are called the 4-20ma transducer,not 0-20 ma transducer??

3 Answers  

---

how to calculate induction motor rating (HP) if name plate is missing from motor at site condition ?

6 Answers   ABB, apatel, Bhel, Spatel, Voltas,

---