Answer / subra

DC system also earthed,
In Tele communication equipments are working in 48V dc system
In this DC system positve is directly Grouded( earthed )
Normally this system is called -48v DC system

Answer / ramprasad

DC has no Leakage current but AC has because there are 3
phases in AC and one common neutral points in AC star
connection

I am working in transmission network, one of my 66kv line having short distance about 6km, when sending end voltage is 67kv receiving end get 69kv, i want to know that, does distance affects in this matter, please explain in this matter & if possible answer me on my mail id, kaushikkumar.vanavi@getcogujarat.com, kaushik.vanavi@gmail.com

5 Answers  

---

Form fator is the ratio of?

5 Answers  

---

CAN ANY ONE EXPLAIN THE KNEE VOLTAGE OF THE CT?

3 Answers  

---

how to cal calculate capacitance in DC Circuit

1 Answers  

---

why Ac current is alternating in nature?(or)why alternating current changes its direction?

3 Answers   APGenco,

---

what is the diffrence between R Y B phase and why it is called RYB

5 Answers  

---

6.6 KV /.415KV Step down trf. we can get 6.6 KV from primary by applying .415 KV secondary side by same TRF.

3 Answers   Suzlon,

---

HOW DG WORKS ?

3 Answers  

---

what is LSR?

0 Answers  

---

what are frequency changers ? Tell me about commertially availble frequency changers ?

1 Answers   GE,

---

I want to give Power supply to a house from the Feeder, Total Load of the House is 128 KW, how to calculate cable size for this load ?

5 Answers  

---

why we use to transmit the power in three phases intead of single phase ?

4 Answers  

---