Answer / raju

AC can be step up from Step Up Transformer. And DC by using
Choper

PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

2 Answers   UPCL,

---

What are the two basic types of transformers?

0 Answers  

---

i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

0 Answers   MTDC,

---

Why we are putting off the APFC(automatic power factor control) panel while the generator is running?

4 Answers   National Steel,

---

What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

5 Answers  

---

Explain why machinery used on a.c supply is usually rated in KVA instead of KW?

10 Answers   EEE, Mtandt,

---

what is the principle of vvvf drive motor

3 Answers  

---

what is the contact resistance of Air circuit breaker??

1 Answers  

---

sent to a site and asked to explain how you would like a twenty seven flour building should be supplied with lighting and sockets plus a water boiler.

0 Answers  

---

why star point of motor shall not be grounded?

8 Answers  

---

What is the difference between a Root Locus plot and a Bode plot?

0 Answers   GE,

---

a solar energy installation utilizes a three phase bridge converter to feed energy into power system through a transformer of 400v/400v.the energy is collected in a bank of 400v battery and is connected to converter through a large filter choke of resistance 10ohms.1.the maximum current through the battrey will be.2.the kva rating of the input transformer is.

1 Answers   GATE,

---