Answer / mak

sc for copper loss
oc for iron loss

Answer / manju

occ test is perfomed to find no load loss of transformer.
scc test is perfomed to find full load loss of transformer.
for more reffer text book electrical technology by B.L.Thereja

1.Difference between vcb and Acb and partes. 2.Difference between STS and ATS.

2 Answers  

---

In the UVR(Under Voltage Relay) there is a knob for the hysteresis setting. what is this setting? its threshold is given from 5% to 50%. please help me....

2 Answers  

---

WHAT IS REMOTE CONTROLLED DG? WHAT IS DIFFERENCE BETWEEN REMOTE CONTROLLED DG & NORMAL DG SETS

2 Answers  

---

Why Ac Systems Are Preferred Over Dc Systems?

0 Answers   ABB,

---

i have 28/32 MVA power transformer with 11/6.6 KC voltage rating and 12%impedance.it have star connection at both side.but it have another thied winding tertiary winding.what is used of this winding. pl tell me

7 Answers  

---

---

Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

0 Answers  

---

Meaning of CTPT ,how it works &how it measures the reading on trivecter meter,&what is trivecter meter

1 Answers   PF, Student, TSSPDCL,

---

What are the types of relay ?

3 Answers  

---

What is polarisation index value?.(pi value) Simple & brief definition of polarisation index?..

7 Answers  

---

I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

0 Answers   RRB,

---

What is the purpose of using busbar mounting fuse?

0 Answers  

---

why commutator is attached with only dc macine

8 Answers   ONGC,

---