Answer / joeredd

You need to know the full load motor current at the supply voltage you are going to be using. Your contactors/overload are rated on current. Their voltage rating needs to be higher than the supply voltage.  (I.e. 415vac supply, 600vac rating). Knowing the motor wattage (7.5Kw) on its own is not helpful. 

how to carried out DAR test in 11 KV Alternator ?

0 Answers  

---

I am working as a software engineer for the past 4 years. I am interested to do M.tech in premier inst. like IIT, IIIT, NIT,... I am preparing for the GATE exam for the past 2 years. Can anyone tell me how about the placement in IIT's for m.tech in (microelectronics and vlsi or electronics related discipline). Some of them are telling like placement is very rare for m.tech electronics. Also the placement details in IIT websites are not true. Is that so ? can any one help us regarding this.

1 Answers  

---

How much current can a 3-1/2 core 100 mm wire carry?

3 Answers   Epitome, Focus, Focus Energy,

---

what is the formula for calculating the phase clerance between two phases and phase to earth how to calculate the cable for a motor

0 Answers  

---

When the power Factor (p.f)is lead then how the Voltage can rises?

1 Answers  

---

If we have two nodes A and B and Vab is the potential difference between these nodes then which node is called reference node a.node A b.node B c. Ground node

1 Answers  

---

Why do we give DC excitation to AC Synchronous motor??

9 Answers   Lance, MBM, Polycab,

---

why induction motor having low power factor at starting time and high at full load.

6 Answers   BARC, HPB,

---

How to find the maximum load, that can be supplied by a transformer.....

2 Answers   ME,

---

what is the working principle of tube light?

2 Answers  

---

What is q factor?

0 Answers  

---

what is the difference between isolator and circuit breaker

3 Answers  

---