Answer Posted / k.prakashchandra

the EM type meter records real power and apparent power does
not affect .ETV meters record everything separately

HOW MUCH CURRENT DOES SYNCHRONOUS MOTOR TAKES AT SYNCHRONOUS SPEED IN NO LOAD CONDITION ?

1906

---

electrical

2346

---

why single phase to grd test in HV cable?why not 2 phase at a time?

2325

---

Name one of major transformer company in KSA ?

1260

---

What is dynamo?How it works and what is the function of dynamo in a DG.

2629

---

Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.

1966

---

why i can not use thimble on capacitor duty contactor

1398

---

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

2019

---

What will happen if we introduce negative feedback to a control system that uses a positive feedback?

1146

---

sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in

2078

---

Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

1480

---

difference between high and low impedance BUS BAR relay??

1665

---

in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

2349

---

Define what is difference between fuse and breaker?

1237

---

What is the mmf,rgt and ngt please brief completely

1686

---