How you calculating the current for a 2.5 Sqmm cable. A 30 Hp 3 phase AC motor of power what size of cable is used for this motor.

7 Answers   Siemens,

---

60 watt bulb and 1500watt iron which device has more resistance & why

5 Answers   RMSI,

---

My system is 22kv/3.3kv transformer. client is asking to use NGR, but as we have dedicated Neutral Earthing systems which has a value less than 1 Ohm. So i want solid comparision. Why i should not use NGR as my system is already protected.Can any one help me to get out of this.how should i reply on basis of some great comparision and calculations. Please help

2 Answers   Ariel,

---

which protection used in power plant?

0 Answers  

---

How many earthing pits required for diesel generator set ? Why ?

1 Answers  

---

what's mean by Transient stability analysis?

1 Answers  

---

During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

0 Answers  

---

1.Defination of Graund earth and neutral 2.

8 Answers  

---

Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more

0 Answers  

---

What is Ton Capacity of Air Conditioner?

1 Answers   TATA,

---

What are the types of feedback oscillators?

0 Answers  

---

explain with the help of loading capability curve,reactive power generation and absorption from synchronous generator?

0 Answers  

---