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)

Can anyone explain me the operating principle of the megger tester?( I just know that its diflection relates with the ratio of currents of control & diflecting coil. I need more information as breif as possible)

1 Answers   TCS,

---

How will polarity test of Dy5 Transformer ?

0 Answers  

---

what is difference b/w HT & LT and the range of HT & LT ?

22 Answers   AF, Schneider,

---

can u tell the difference between star - star transformer and delta to delta transformer?

2 Answers  

---

difference between ac series and parallel circuit

0 Answers  

---

What is the formula for calculating Transformer Losses & Efficiency. I want to compare the Transformer efficiency at different loading condition.

6 Answers   Rays Power Experts, Techser,

---

Why voltages are 11kv 33kv why not others?

2 Answers  

---

why we use capacitor in Fans not resistor?

4 Answers   Vardhman,

---

how to calculate the size of the cable for a particular rating 3phase induction motor?

1 Answers   Godrej, Megatron Solutions,

---

What is the difference between generator and turbo generator - related to power gereration

1 Answers  

---

Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

0 Answers   HAL,

---

what is the meaning of 0.5ohm Resistance

0 Answers   Vardhman,

---