Answer / pillay

drives are usually the motor that drives the machine. if the
motor is DC operated than it is a dc drive like wise if the
motor is AC than it is a AC drive.For ac motors vfds are
commonly used for speed control.

why need of ac exietation in alternater.

2 Answers  

---

How you calculate the repturing capacity of a HRC fuse

0 Answers   CPCL, RSCL,

---

why we use perllel conection system in the wiring?

4 Answers   Airtel,

---

explain the existence of reactive power in electrical engg?when it generates?

1 Answers  

---

what is the Mechanism of energy saver FAN how average power,reactive power, power factor e.t.c realated to it and how it apply to this FAN .and how this fan save energy w.r.t circuit analysis,plz repaly to this question this is the assignment to given to me.thanks

1 Answers  

---

---

Is it possible to increasing the real power generation by reducing the reactive power in power generation plants

3 Answers  

---

what is conductor constant taken for calculation of voltage regulation of 11 kv and 33kv line on dog aor rabbit conductor

1 Answers   CSPDCL-Chhattisgarh State Power Distribution Company Limited,

---

what is AVR in alternator how its work?

8 Answers  

---

What is “pu” in electrical engineering?

0 Answers  

---

What are the advantages and disadvantages of negative feed back?

0 Answers  

---

In an electrical conductor, if current flows because of flow of electrons, then why not the conductor gets thinner day by day???

1 Answers  

---

why used in starter in tube ligtht circuit.

4 Answers   College School Exams Tests, HP,

---