Answer / kumar.latif

To avoid excessive heating caused by high order harmonics
such as 3rd and 5th harmonics which cause increase in
hysterisis and eddy current losses in core. These harmoncis
are the result of magnetising current which is non
sinusoidal.

Answer / geno peter

well, it causes disturbances to the communication systems
nearby ie., electro magnetic waves . its causes unwanted
heating in the core

how to handle 2500 kva transformar

0 Answers  

---

Normally the starter used to reduce the starting current.but the dol starter do not it,so why we use it?

4 Answers  

---

hi I have done 3 yrs diploma in electrical engg after 10+2. I have 16 years of work experience into design proposals sales and engg application development in LV/MV swithcgear and sub station automation field. I want to apply for immigration to new zealand but I am not sure whether I qualify or not since I dont have a degree. Can anyone advice? Thanks Riz

0 Answers  

---

what is the charging battery current of 80 kva UPS/100AH bocket make battery.

4 Answers  

---

why ht line fuse wire is so thin

7 Answers   DLF,

---

---

how we can calculate the transformer size.

21 Answers   Avalon, Edison, Hyundai,

---

Explain different types of d.c motors? Give their applications

0 Answers  

---

what voltage generated earth tester meter when we testing the Earth point ?

1 Answers   Cognizant, CTS,

---

what is the principle of dc generators?

7 Answers   CPCL,

---

How can we calculate the KVA rating of a Distribution transformer from its core details?

0 Answers   ABB,

---

What is the difference between bundled conductors and double circuit?

1 Answers   Power Grid,

---

Why power genaration in India is at 50HZ while America its 60HZ

0 Answers   TATA,

---