why making capacity is more than breaking capacity?

14 Answers   Essar, Indo Asian, Infinity,

---

Define Electrical Insulation and examples of Solid,Liquid and Gaseous insulating materials?

0 Answers   MPPTCL,

---

Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?

0 Answers  

---

Why CT secondary should not be kept open?

7 Answers   Anna University,

---

What is different type of Electrical curve and how it protects the equipment's while up-normal situation?

0 Answers  

---

1.What is the difference between isolators and circuitbreakers? 2.What is bus-bar?

1 Answers  

---

Is it necessary to install Lighting Arrester on both side side (i.e HT and LT) of Transformer in a transmission substation? if yes Why on both side?

1 Answers  

---

Why DG self motor winding burnt out?

1 Answers   Aegis,

---

what s a servo motor? how to control the servo motor? and its application, purpose of using?

2 Answers   Arabian Pipes,

---

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  

---

What is the Difference Between MCCB & ACB & VCB

3 Answers  

---

For RCD (Residual current device) Icu is defined. How i can find Ics for them?

0 Answers  

---