what is the difference between thyristor & IGBT?

2 Answers  

---

when we connect a CT in the line will there be any loses in the line due to the mutual inductance of the CT.

1 Answers  

---

the winding of Generator and Motor is star or in delta ? and why

0 Answers  

---

oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

0 Answers  

---

working principle of UPS

15 Answers   Mantri,

---

For Electrical / and Electronic Systems, when we say efficiency is 80%, then what happens to other 20% from the Power consumption.? I.e. what happens to this?

1 Answers  

---

Is there any decided or standard frequency to check the meager testing of transformer, DG set, LT Panel in the industries in a year. I means how many times we should be check the same.

2 Answers  

---

1.what is the basic difference between surge arrestor and lightning arrestor and where we use it. 1.what is the difference between metal oxide without gapped lightning arrestor and with gapped lightning arrestor

2 Answers  

---

how can i design a APFCR panel? please explain with example..

1 Answers   Milestone, Reliance Jio,

---

what the purpose of protection signaling equipment in substation?

2 Answers  

---

if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

0 Answers   BSNL,

---

One of the advantages of HRC fuse links is that they can be used to back up equipment with an inadequate rupture rating. briefly discuss what this means

1 Answers  

---