Answer / prabhakar

We use DC voltage with DC series motor bcoz it can start
with load

Answer / bipin

it is 1-phase...25kv ac, 50Hz. actually traction substations
are there which recieve 3 phase supply and divide these
phases into sections of about 30-40 kms along the line. each
of these sections are completely electrically isolated from
each other by using dead sections.

Answer / kapil

25 kv single phase ac.converters are installed in engine because we need ac also to supply auxiluries like blowers etc.

Please let me know DG set b check how many hour and days.

2 Answers   Amazon, Cummins,

---

How can I known multiplying factor .without multiplying table

0 Answers   Student,

---

what material is used in capaciter

0 Answers  

---

If induction motor load is incresed motor speed decrases.But in syncronous motor load incrases speed canstant why?

5 Answers  

---

basic princple of induction and synchronous motor

1 Answers  

---

How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

0 Answers  

---

What's mean HVF & HAF in Vacuum Circuit Breaker?

0 Answers   Gandhi Institute of Technology and Management (GITAM), Hyundai, Jayam Engineering Works,

---

Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

0 Answers   NCC,

---

How to calculate VA rating for CT or PT or Control Transformer?

0 Answers   Veez,

---

LT cable fault chaecking equipment and to find out the distance at what distence it failure . Name and where it is available?

0 Answers   Himatsingka Seide Ltd,

---

how we decide scurt (disc) of insulator with respect to kv rating

1 Answers  

---

why synchronous motor is not self starting

5 Answers   Cenored,

---