HAI,HOW TO SET THERMAL OVERLOAD RELAY FOR DOL STATRTER FEEDER AT START AND RUNNING?

4 Answers   L&T,

---

What kind of preventive maintenance are there for AC induction motor?

1 Answers   Gulf,

---

what is the difference between direct loading and indirect loading?

1 Answers  

---

Neutral to earth and phase to earth voltage how much.

2 Answers  

---

What is UPS?

14 Answers   HSL,

---

where they are using surge arrester and lighting arrester? how they connect? what is the purpose of that?

1 Answers  

---

what is the essential resistance of r y b phase short citcuit ? Eg in star connection we doing this kind of short circuit oly

0 Answers  

---

why transformers are put with supply for 24 hours before giving supplying to a locality?

2 Answers  

---

what is power factor?

9 Answers   MAHINDRA,

---

what is the maximim current drawn by 1 phase and three phase welding machine

0 Answers  

---

Why is it preferred to use a wattmeter(s) to measure power in three phase systems rather than using a combination of other instruments e.g. voltmeters, ammeters etc?

2 Answers  

---

what is auto transformer

3 Answers   IBM,

---