Answer / sravan

HAVING LOW VOLTAGE

Answer / s.sarkar

the metal body of the train provides a much lesser resistive path for the current to flow as compared to the highly resistive human body of ours..

Answer / bpn

due to high loses...........
if current is feel then it have low voitage,
due to heat effect....H=i2rt. maximum electric is wastage.
and safety purpose dc series motor are used in electric train.

Less cost of delta connection over star connection a. No fourth neautral wire

1 Answers  

---

What are the protection used for alternator,transformers.

2 Answers   Adani,

---

Is phase preventer require when overload relay is there

1 Answers  

---

what is fault level in 66kV system?

3 Answers  

---

Why the vector group of excitation transformer in static excitation system is Dy5?

2 Answers   CSEB, SRF,

---

What are the commercial names of overhead conductors used in India?

3 Answers   UPSC,

---

How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

0 Answers  

---

what is the total power generation in india?

0 Answers   GUVNL, HAL,

---

WHEN THESE TRANSFORMERS WINDINS CONFIGURATION ARE USED? SPECIALLY EXPLAIN REGARDING STEP UP AND STEP DOWN KEEPING IN MIND.AND REGARDING LOAD ALSO. a.star to delta b.delta to star c.delta to delta d.star to star ALSO EXPLAIN WHY V USE 415/415 TRANSFORMERS IN TUBEWELLS?

1 Answers   ABB,

---

How to calculate KW what is the formula for KW.

18 Answers   Toyota, UU,

---

How to calcualte 1unit of current consumption?

3 Answers   Bhushan Power Steel, ITC Infotech,

---

what are the main differences of delta and star connection

5 Answers   Essar,

---