what is impedance?

1 Answers   PWD,

---

Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

0 Answers  

---

can we use trip light with bus coupler?

0 Answers  

---

what is difference between earth fault& restricted earth fault.

3 Answers  

---

ohm's law is applicable to DC/AC/Both??

6 Answers   KPIT,

---

if we have to design a small transformer of rating 1 kva or 1 mva , how can we design it?

1 Answers  

---

What is difference between ball screw and lead screw.

2 Answers  

---

how much load should be given on 5 mva transformer

7 Answers   NTPC, OHPC, Power Grid,

---

what is reactive poower

3 Answers  

---

I WANT TO KNOW LONGFORM OF CT/PT USEDIN POWER PROJECTS OR HT SWITCH YARD.

7 Answers  

---

what is the differance between MC61C and MC61A relay of L &T make.

1 Answers   BARC,

---

If I want to connect a capacitor bank on the HT side of a 11kV/415V, 3 phase delta-star distribution transformer to supply Reactive power to it..what practical specifications of a Capacitor bank that can i've??please reply..

0 Answers  

---