why we commonly use delta star winding in power and distribution transformers

7 Answers  

---

what is reason in mv breaker the control supply voltage is dc not ac?

1 Answers  

---

in dc shunt generator field is open in running condition what will happen?

8 Answers   century,

---

write down the formula of cable size in RM if current is 50Amp.

0 Answers  

---

Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

0 Answers   XYZ,

---

we have taken HV test of 2.5 k and Megger test on 11 kv HT cable.here it shows no fault but when we are charging the same cable with 11 kv supply why the VCB 11 kv gets tripped can anybody define the possible cause of fault ?

4 Answers   MAHINDRA,

---

armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

0 Answers   APTransco,

---

We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.

0 Answers  

---

why test lamp didn't glow across 500v megger?

4 Answers   Aurobindo,

---

why did lightening arrester rod probe sharp?

2 Answers  

---

How efficiency of thermal plant can be improved?

0 Answers  

---

wat is the difference between BE &BTECH.

8 Answers  

---