Answer / ashok

An electronins ckt which controls the speed of AC/DC motors

Answer / vinay

drive mean a mechanical device to do the specific task
drives are ac drives and cd drives the drive workds on ac is called ac drive in dc called dc drive.

Answer / abhishek goyal

Circuit made of electrical (choke,power cable)and electronic
(SCR,IGBT)to control the speed of AC/DC MOTOR. it can be
control voltage, current, frequency etc.

what is meant by rotating magnetic filed

0 Answers  

---

types of motors suitable for escalators with reason

2 Answers  

---

Swg formulae

0 Answers   Bokaro Steel,

---

why induction motor take more current when motor start time and this current take for 1 hours when motor is start.

2 Answers  

---

What is stray looses?

2 Answers  

---

how 650 volts creates? where is use?

0 Answers   DCL,

---

What motor is used in ceiling fans and what motor is used in table fan.? why table fan is costlier than ceiling fan?

6 Answers   Bhel,

---

What is duty cycle and protection class?

4 Answers   SISL,

---

Electrical breakdown strength of an insulating material depends on............?why because?

2 Answers  

---

working of bulb?

1 Answers  

---

when voltage increases current decreases & vice versa why it is so?

3 Answers  

---

i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

0 Answers  

---