Answer / jitesh patel

BECAUSE THE VOLTAGE LEVEL IS DEPENDS UPON THE INSULATIO OF
THE WINDING & CURENT LEVEL IS DEPENDS UPON THE THICKNESS OF
WINDING IN CASE OF GENERATOR OR MOTOR. SO, INCASE OF
HIGHVOLTAGES THE THICK OF INSULATION IS KEEP VERY LARGE &
ALSO INSULATION IS COASTLY AS COMPAIR TO THE COPPER & HENCE
GENRATION OF ELECTRICITY IN LOW VALUE VOLTAGE.

Answer / gunasekaran

slot insulation is not economical and very difficult for HV
generation

Answer / sudhakar.net26

1. Cooling system of alternator is not economical for higher voltage.
2. Voltage level depends On the insulation. Insulation cost is not economical for higher voltage (above11kv)

how to select rating of HT Panel

0 Answers  

---

whats the existence of reactive power and when it arises?

0 Answers   IIT,

---

Which device is used for the source of emission of electrons in a crt?

0 Answers  

---

Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz

1 Answers  

---

how to diffrentiate between ac & dc motors from a distance

5 Answers  

---

---

How to test lightning Arrester?

0 Answers  

---

11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?

0 Answers  

---

as we know that N=120f/P speed of an im can be controled only through changing no if poles, can we control by changing the frequncy????

7 Answers   JSW,

---

what will be the neutral to earth voltage while checking by the Digital multimete? and why?

1 Answers  

---

Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole

1 Answers  

---

what is the id1 & id2 setting in differential protection relay of CSPC?

0 Answers   Wartsila,

---

EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.

0 Answers  

---