Answer Posted / ranjeet

reactive power is wattless power and it is control by using
capacitive element[capacitor]

as a electrical student why should i hire you?

2505

---

On what basis the the size of Lightning arrester for buildings are selected ?

1663

---

what are the basic insulation levels & what its Unit

2028

---

Why efficiency of generator is higher than motor at a particular load?

2081

---

how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

2381

---

what could be the RMS value and average value of a 4 phase sine wave?

1888

---

Explain about retrofitting of machine tool.

1907

---

WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

2310

---

how can i get the formula to find out the cable size if i know the load of main fuse protection.

1941

---

How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

1927

---

What is CCT (Correlated Color Temperature) ?

1960

---

What are n circles?

1098

---

In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

2526

---

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

1880

---

I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

1929

---