some ac motor's direction get change dueto ghanging input to the ac drives.(say ryb to rby). but some motor direction remains the same when phase sequence is changed fromdive side. can anybody guide me?

1 Answers  

---

what is prniciple of three phase IM?

3 Answers  

---

Working of furnace in detail...?

0 Answers  

---

what is cogging in motors?

1 Answers  

---

in conventional fan regulators how the current varies with speed?

0 Answers  

---

---

What is the formula for calculating transformer Efficiency?

2 Answers  

---

What is the thumb rule for calculating the P.F correction Capacitor?? Say for 100 hp motor how much micro farad Capacitor is needed .... Thumb rule so quick answer wanted

9 Answers   Bhel, Dubai Group,

---

how is the incoming cable size calculated for a given current rating of a panel??

0 Answers  

---

why they were using TRIAC instead relay in some controllers and what is the advantages.

0 Answers  

---

How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

0 Answers  

---

is that any software calculator to calculate the size of cable

0 Answers   JSW,

---

what is mean by PIR in circuitbreaker and give me detail of that?

0 Answers  

---