Answer / amrish

VFD Means Variable Frequency Device,,, so as same as name we can control the speed of motor with the help of VFD by controlling V/Hz parameter.

If two transformers same rating(11KV / 440V)connected in the same primary line(11KV), can we connect(bus coupler) secondary side directly or need a synchronization????

3 Answers  

---

plz tell me about BACK emf and how it generates?

2 Answers  

---

hi sir i have load of 17.5kw in 3 phase lighting circuit which mcb i can use

3 Answers  

---

CAN 50Hz transformer work at 60 Hz power supply? if yes how it is possible?

2 Answers  

---

In Power cable specification what is U0/U and Um.

0 Answers  

---

---

Brushed alternator is also called dc generator ? its true or false ?explain it ?

5 Answers  

---

Why hydropower is called renewable source of energy?

0 Answers  

---

What is the suitable transmission voltage?

0 Answers  

---

why we use 6nos of C.Ts on 11kv incoming?

2 Answers  

---

What is the field weakening mode of a ac motor?

1 Answers   L&T,

---

what is meant by reactive power ,active power & real power ? thank you

2 Answers  

---

can we use 3 phase UPS for Motors and Other Machines

4 Answers   ACC,

---