how freewheeling diode improves the powerfactor

0 Answers  

---

Dear All, Can anybody please tell me which value(saturated or unsaturated) of sub-transient reactance(Xd") we take for the calculation of fault current of the system?

2 Answers  

---

How can we convert the motor to generator and also generator to motor

2 Answers   Aesco,

---

What does substation operator do in substation?

2 Answers   ABB,

---

there are cam operated switches - why we call cam operated , What is cam ?

0 Answers  

---

What is the role of a Production Engg in a Industry?????

1 Answers  

---

what is %impedanece

3 Answers   KSEB, Steel Plant,

---

what is a circuit breaker. Weite the types of circuit breaker.

4 Answers  

---

give 5 differences between relay and contactor

1 Answers   Texas,

---

what is the other name of dc series motor

2 Answers  

---

According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.

0 Answers  

---

What is the difference between KW & KVA ?

9 Answers  

---