what is the use of excitation transformer in LAVT PANEL?

2 Answers  

---

what is the prinsiple of dc motor and construction and working ,application of dc motor.

0 Answers  

---

Discribe type of fault in DOL and stardelta startor.

0 Answers  

---

Can i use to 3 phase 4 wire energy meter inplace of 3 phase 3 wire energy meter ?

4 Answers  

---

How to calculate the cable size in sq. mm. when the load is given in KW?

1 Answers  

---

---

Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

0 Answers  

---

The safest value of current which can pass from human body?

4 Answers   Jindal,

---

types of transformer ?

3 Answers   CG, JLL,

---

When alarm is activated in buccholz relay in transformer

1 Answers  

---

when measure the core loss of three phase distribution transformer or three phase reactor loss, one phase shown negative watt loss. why??

0 Answers  

---

magnetic circuit consume energy

3 Answers  

---

what is meant by motor protection relay & its working principle ?k

1 Answers   Pricol,

---