Answer / deepak thakur

MCCB means Moulded Case Circuit Breaker
its is use for machine main switch and we can set overload current also for machine in MCCB'

What is the formula to calculate the rating of a three phase air circuit breaker

0 Answers  

---

how to calculate power loss cost of aluminium conductor and copper conductor?v=500v.i=100A.x-section area=68mm.squre conductor

1 Answers  

---

how to calculate the cable size depending on the transformer rating

2 Answers  

---

1. What is differential relay? How it operates?

3 Answers  

---

What happened If 3phase supply connected to slip ring side of slipring induction motor ?

2 Answers  

---

in electric lamp what is ballast. y its needed to start & stop lamp. what is ballast ckt.

0 Answers  

---

Why induction motor can not be operated at synchronous speed?? what would happen if it is operated at synchronous speed??

5 Answers  

---

why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

1 Answers   IOCL,

---

What will be the effect of in HT XLPE 220 KV cable when one side of the Armour/cable ends are not grounded. Will there is difference between 3-phase voltages? like: if A. Both End of Cable grounded Phase Voltages:- V1=219 KV, v2=220 Kv, v3=220 KV. B. One End is grounded other is not: than Impact on Phase Voltages:- V1= KV, v2= Kv, v3= KV. Remain same or unchanged??

3 Answers   Jamshoro,

---

How the surge voltage can be arrested in electronic devices

1 Answers  

---

Difference between divercity and power factor

1 Answers  

---

On what basis primary and secondary of a transformer is chosen?

2 Answers  

---