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

0 Answers   Veez,

---

How two nos. 130 kw D.C motor get synchronise using D.C drive.

0 Answers  

---

For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?

0 Answers   Electrical Tech, UPSE,

---

when is safety goggles use mandatory?

3 Answers  

---

What is the difference between Isolator annd Circuit Breaker.

21 Answers   ABB, Lanco, NTPC, Power Grid, RInfra,

---

can induction motor run over the rated speed ?

12 Answers   ACC,

---

What is Harmonics how it is produced and what is the method to control the same

0 Answers   Siemens,

---

If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?

0 Answers  

---

why we use carbon brush in exciter&genrator?

5 Answers   ABB, SMC,

---

how to determine capacitor bank capacity of one plant..

2 Answers   Dalkia, SPDC,

---

what are the standard transmision voltages in india?

9 Answers   Adani,

---

wht factor are considered to design ACB( air Circuit reaker) 415V

3 Answers  

---