Answer Posted / k.prakashchandra

Energy stored in each battery = 12 x 200 WH ( VAH) ,total stored energy = 12 x 200 x 34 WH . Divide this by load in W to get ' Back up time' in hours (approx)

WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

2229

---

Can anybody inform me about the pattern of ECIL GET( Graduate Engineers Trainee) interview for Electrical students? Will there be HR round as well? I thought of preparing for 2 to 3 subjects thoroughly. Will it be sufficient? Please share your thoughts.

2089

---

in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?

2282

---

what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor

2050

---

WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?

4808

---

why we cannot protect 100% winding of an alternator by using differential protection?

2205

---

At what speed an electric car can run with 2 HP motor of weighing 400 kg?

1772

---

when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//

1992

---

A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

1969

---

harmonics filter

1899

---

EXPLAIN USE OF ROCKING ARRANGEMENT IN ELECTRIC HEATING?

1874

---

Discribe type of fault in DOL and stardelta startor.

2201

---

When MICC cables used ?

2005

---

how to enter inverter parameter? without manaual?

1981

---

What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

3762

---