Answer / s.sakthivel

now circuits is open circuits
now v=maximum
i= zero
p=zero

(s.sakthivel perambalur)

why we usually call 415 volts instead of 440 volts

3 Answers   S Tech,

---

avr is an automayic voltage regulator ... it regulates voltage before it synchronise with grid after synchronisation it regulates power factor why....

7 Answers  

---

effect of single phase transformer on full load current?

2 Answers  

---

1. what is the power factor of a purely inductive load? (i) Zero (ii) Lagging (iii)Leading (iv) Unity 2. which type of transformer connection is preferred in case of power supply transformer? (i) Star/Star (ii) Delta/Delta (iii) Star/Delta (iv) Zig Zag/Star

2 Answers  

---

How power cable & control cable can be differentiate from each other ?explain?

14 Answers   Aster, Finolex, TCE,

---

why can't we increase the voltage by increasing the field voltage in order to get higher voltage.so that we can eliminate step up transformer

4 Answers   Bhel,

---

from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

0 Answers   ABB, HPCL,

---

Name different types of fault and which instrument is used to measures earth,short,open cicuit fault?

6 Answers   NTPC, Vijai Electricals,

---

What is the full name of one of choke less lamp BLL

2 Answers  

---

Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

0 Answers  

---

what is the maximum load sutiable from earth to phase and what is the max voltage earth to phase suitable

1 Answers  

---

what is the difference between potential transformer and capacitive voltage transformer?

1 Answers  

---