Answer Posted / pankaj

THERE IS A SIMPLE CALCULATION IF ASSUMING INFINITE SOURCE
BUS THE MAX LEVEL OF FAULT AT LT SIDE OF A 11/0.433 5%
1000KVA TRANSFORMER CAN BE CALCULATED AS:

KVA*100/SQRT3*433*Z% kAMPS

1000*100/1.732*433*5 = 26.7kAMS

Maintenance of transformer???

2196

---

if we run a 3 phase machine on two phase what will happend??? given answer with solid reason please

2040

---

Define norton equivalent circuit?

989

---

how ct burden,magnetising current,ratio and knee point voltage are related & derived

2148

---

How to know of any cable size if there are not written on cabl?

1849

---

For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?

1891

---

Benifits of 3ph 4 wire metering over 3ph 3 wire

2427

---

What is advantages of VSCF wind electrical system?

2277

---

What are the different methodes for calculating the short circuit Current?

1983

---

A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

1875

---

If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

1954

---

What type interview questions ask in Electrical technicians

1718

---

I am experienced with house and industrial wiring but I don't have any licence how can I apply an licence and which type of licence i can get i didn't complete deee just only experience

1575

---

1.4 What is meant by CT knee point voltage and how would you determine it

1629

---

What is the name of the winding from which the supply is taken for load connections?

1012

---