Answer / ajay daultani

drives are used only for motion control so if you are
talking about ac or dc drives then both are only used for
motor speed control by controlling ac or dc output voltage

Answer / hari

1)yes,
2)no,3)yes

Answer / j.kesavan

we are using dc drives for high starting torque,very easy
to handeled this speed.

Answer / mithun patidar

ac drive is used to contrrol ac out put and dc is use to
control dc output

How many safety of Disel Generator

5 Answers   Sail,

---

what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

0 Answers   HEC,

---

What is the minimum setting in REF relay because i am facing some problem whenever power resumes after power failure my transformer is tripping because of REF trip. I am using CSPC make numerical relay(DIP switches). Now setting is 15 percentage. What is the reason for this triping. I sm waiting for answer

2 Answers  

---

Direction of flow of active power and reactive power with logic?

0 Answers  

---

Why we Do not connect the windings of the motor in delta? & what would happen if we do that? I mean the winding themselves not the three lines that are coming to the motor?

1 Answers  

---

why mosquito bat makes noise when it hits with a insect?

2 Answers  

---

what is V=4.44FBN, THIS 4.44 ONLY U GOT the voltage in term sof 11, 22 etc this 4.44 u will get from form factor which has a value of 1.11

1 Answers  

---

How 3 phase invertor works?

0 Answers   Aero Ltd,

---

why only dc is given as excitation...why not ac???

2 Answers   TCS,

---

why in power staions distriution r like 11kv,33kv,66kv in india?

4 Answers  

---

what happen if turbine trip ,g.c.b not open and excitation on condition?

1 Answers  

---

The Source internal resitanse Rs , When equal to Load resistance RL, the maximum transfered is of _____ % of input power?

2 Answers  

---