Answer / prabhakar jha

duty cycle is a torque vs time veriation..generally we r using 10 duty cycle.

can we connect transformer with star conected secondary to delta connected primary in series?

1 Answers  

---

How the unidirectional torque produced in dc motor

2 Answers   CGL, Sail,

---

what is relation between vector group of transformer and its load hormonics?

1 Answers   Sanmar,

---

what is RCBO?

1 Answers  

---

how is capacitor bank look like

0 Answers  

---

---

How to calculate capacitor bank size at a load 800kVA.

0 Answers  

---

we are using three transformer 33000/430 vac for three separet block.all three transformer have three LT panel separetly. can be Interconnected all three panel through bus coupler. this is permissable or not by state electricity board.

4 Answers   Piramal Healthcare,

---

While connecting the flood light plug on to the 415 V distribution panel,there was spark and the cable got burnt. Three ignitors of the flood light also burnt of. The lamps are of 400 W (total 6 lamps) connected through 1.5 mm2 cable. The plug was immediately removed from the circuit. There was a 30 mA RCD connected and a 250 A MCCB; however both did not trip. What could be the possible reasons for the circuit devices not to trip?Can someone assist please. Additional info if needed can be provided.

2 Answers  

---

If the (Motor control center)Panel work on field the relay used in panel in the case this will be damage and no indication provide on panel.fault occur in panel and MCB will not trip. how happen the relay damage in panel and what effect of panel.

1 Answers  

---

Where can i get practical knowledge of solar system?

0 Answers  

---

If one lamp connects between two phases it will glow or not?

0 Answers  

---

In a d.c current, the power is the product of voltage and current. This relationship does not always apply to effective(r.m.s) values in an a.c circuit. Explain the reason for this.

2 Answers  

---