Answer / shantanu

Look 1KVA = 1000VA
Therefore 1/2 Kva = 500va
For a single phase current
500/230=2.174
So the MCB you can put here is a 2.5AMP as it will not be possible to get a exact 2.174amp MCB
Hope this solves your query.

Answer / vicky

1KVA = 1000VA
Therefore 1/2 Kva = 500va
For a single phase current
500/230=2.174
So the MCB you can put here is a 2.5AMP as it will not be possible to get a exact 2.174amp MCB

Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

0 Answers  

---

how to decide the rating of the ct for 1500 kva transformer

1 Answers  

---

Why the Transformer connection is changing in different transformer?(Like Star & Delta,Delta & Delta,Star & Star,Delta Star) From that connection where it is used?

2 Answers  

---

What is control system?

0 Answers  

---

define IDMT relay?

15 Answers   APGenco, Bhel, L&T, Shriram Finance,

---

what is the difference between indoor package substation and outdoor

3 Answers  

---

how to calculate kA rating of device?

3 Answers   Siemens, Vijai Electricals,

---

how we calculate fault current& load factor or fault level&also the leakage current

1 Answers  

---

if 1hp jet motar drop voltage when start from 220v to 120v give the reason and solution.

1 Answers  

---

what is the use of sdf?

0 Answers   Areva, SWAN,

---

What is the problem if we connect a weak capacitor to the system? is that profitable or Loss?

1 Answers  

---

how can maintain the power factor and why and this is how do work tell us

0 Answers   Wipro,

---