Answer / jayesh patel

We can select contactor according to the load. It there is
Inductive load we can select as Per AC3
For resistive load we can select as per AC1 Duty
For capacitor switcching we can select AC4 Duty

how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

0 Answers  

---

What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

0 Answers  

---

what is meant by differential protection of transformer

1 Answers  

---

What r the specification furnishid in motor name plate?

5 Answers  

---

what is the difference between 4pole & 6pole DC Motors & give advantage ?

0 Answers  

---

How many types of protection relays are there based on the characteristic?

0 Answers  

---

define as synchronous generator

0 Answers   Enercon,

---

What is the difference between air & vaccum circuit breakers?

2 Answers   IOCL,

---

Does the total power means fundamental plus Harmonics?

2 Answers  

---

What would be the ratio of a Delta-Wye tranformer having 48000 volts phase to phase on the primary and 4160 volts phase to phase on the secondary?

5 Answers  

---

why t/f are rated in kva. is it conserned with p.f.

3 Answers  

---

what is the difference between Inverter and ups

1 Answers   L&T, MTS,

---