explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

0 Answers   MPPGCL Madhya Pradesh Power Generating Company Ltd,

---

what bridge circuit is used in Tandelta circuit

1 Answers  

---

why the auxilary(starting)winding is provided in single phase inductoin motor?

5 Answers  

---

what is errection pcbs?

0 Answers  

---

is any body explain me why return current in three phase power system is less then in a red, yellow, blue phases??? as we know Ir+Iy+Ib=In then why nutral wire has less then phase current????

2 Answers   Bhel, DRIEMS,

---

defination of lines

0 Answers  

---

How to calculate & connection of 900KVA generator 2 sets & load(1500A)? How to choose cable size and ACB size for this load & generator? please explain me detail. Regards, Mr.Han

3 Answers   Powermec, TATA,

---

what is difference between ac1 and ac3 contactor and why it is needed to be selected?

1 Answers  

---

why choke is provided in the centre of the tube light?

3 Answers  

---

how we can classify the circuit braker???????

1 Answers  

---

Whar is the KvA rating of 33Kv substation & actual kv rating of power generaating station.

0 Answers  

---

The ohm is the unit of:(a) Charge(b) Resistance(c) Power(d) Current

2 Answers  

---