Answer / shoebullah

impedence means total
resistance including
capacitance and inductance of
a circuit ... To cal it

v=IZ

Z=R*Cos(pi)+X*sin(pi)

What is function of inverter? and who it's operate & what are controlling devices are used?

2 Answers   Carrier, Dalkia,

---

Define active filter?

0 Answers  

---

how we can calculate chiller required ampear?

0 Answers  

---

In Power transformer oil temperature or winding temperature will be high

3 Answers  

---

what is pmg and its use

2 Answers  

---

---

what is main difference between live tank and dead tank current transformer?

2 Answers   Atul,

---

which motor will u use in refinaries?

1 Answers   IOCL,

---

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  

---

why some time Railway Fan not Rotate,But after a small rotation by human then it rotate normally? Why?

4 Answers  

---

effect of single phase transformer on full load current?

2 Answers  

---

by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

0 Answers   HP,

---

If a earth leakage circuit breaker trips is it possible to tell which house circuit breaker (I have four) is the faulty circuit?

1 Answers  

---