Answer / gaurav

it is the humming noise in transformer due to harmonics presents in load sid

Why we use CT on differant phases of 2ph.PT detection for brush-less static excitation of 3ph.,400v Synchronous Generator? What happen if use CT on same one of VT phase?

2 Answers   Hydropower,

---

WHAT IS DIFFRENCES DCS & PLC

1 Answers   Essar,

---

Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

0 Answers  

---

What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?

2 Answers   Reliance,

---

What difference between ref protection and differential protection ?

0 Answers   EPC, INEL Power System Engineers,

---

What is the function of RCCB? What are the different sensitivity ratings & each application?

6 Answers   Wipro,

---

If the battery is in charging condition means, battery is which type of load? Capacitive or Resistive load?

2 Answers   Crisp,

---

In three phase, phase to phase voltage is 440 Volts, but the three phase motors are designed for 415 Volt, 50 hz, why

1 Answers   Shree Ram, Shriram, Sri Ram,

---

how to set earth fault relay

1 Answers  

---

WHERE IS THE LIGHTING ARRESTER SHOULD BE PLACED IN DISTRIBUTION LINES?

26 Answers   APTransco, BARC,

---

how to test the ht machines?

0 Answers   ONGC,

---

how can check the resistance of battery contact?

0 Answers   Cipla,

---