Answer / k.prakashchandra

It is RCCB . when neutral touches the ground , a portion of
neutral current flows through the ground also,creating
current imbalance in RCCB

How to calculate the size of the cable? for exp i want to use the load of 10HP

4 Answers  

---

How Grading Rings & spacers in transmission lines works?working principle?

1 Answers  

---

What is power factor? Whether it should be high or low ? why?

9 Answers  

---

What is surge impedence and surge loading....???

1 Answers  

---

How to design inductive load for 3 phase 440v and maximum 5 amps for star or delta? Can we use a 15kW, 1450rpm motor for 15kW, 960rpm apllication?If yes.how......n.if thesame motor used what`s it`s sideeefect.

0 Answers  

---

pls give proper discription of selection of transformer based on particular load.

1 Answers  

---

trasformer ratting

2 Answers   Bhel,

---

in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why? 

1 Answers  

---

why the colour of insultor stack , petticoat is brown. Is it has some technical reason.

0 Answers  

---

what is the difference between kva and kw ?

5 Answers   TCS,

---

Give some differences between open loop and closed loop control systems.

0 Answers   GE,

---

Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

0 Answers  

---