explain why the secondary terminal of current transformer should not be lift open circuited.

2 Answers  

---

when the motor was star position that is running ok but when the motor was delta it was tripped? why?

5 Answers   Nimbus, SEL Manufacturing,

---

How can I calculate the trnaformer effciency at different loading condition?

2 Answers  

---

Why GRR starts from 60% of motor speed why not less than 60%?

0 Answers  

---

What is the type of electrical motor used in mining industries?

2 Answers  

---

at present how many 765 kv lines are there in india?

5 Answers   Emco,

---

What is the kva?

2 Answers   Makino Auto, SAL Steel Power, Sapphire Group,

---

What is the most essential condition for the voltage build up for a d.c. Shunt generator?

0 Answers  

---

hou we find and calculate the maximum lode capesity of transforer?

1 Answers  

---

how to take the 3 phase ups input and collect single phase output

1 Answers  

---

how to improve my communication skills

7 Answers   Infosys, MAHINDRA, Wipro,

---

How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

---