Answer / h s dhillon

Let the supply is 3 ph 4 w having line voltage 400 volts
and phase voltage 230 volts,then:
in case of single phase:
I=5000/230=21.74 Amp
In case of 3 phase:
I=5000/Under root3 i.e.1.732x400
=7.22 Amp

what is the difference between rccb and elcb?

1 Answers  

---

What is neutral earth voltage of transformer and what should be the value

3 Answers  

---

how do you measure earth leakages in 3phase wires?

2 Answers  

---

What is the theoretical capacity of a channel in each of the following cases? i) Bandwidth: 20KHz SNR(dB) =40 ii) Bandwidth: 200KHz SNR(dB) =06 iii) Bandwidth: 1MHz SNR(dB) =20

0 Answers   UOG,

---

KVAR Kilovolt-Ampere-Reactance

2 Answers  

---

---

Why we say three phase voltage 440v.

2 Answers   VDP,

---

what is the use of neutral displacement relay

1 Answers   OCL,

---

To measure insulation resistance of 11KV cable between core & armour, what should be the test voltage & duration?

4 Answers  

---

which type of material is used to transformer laminated core?

6 Answers  

---

What is the purpose of stablization resistor in high impedance bus bar protection

0 Answers   Jindal,

---

Why corona leads to production of Ozone and glow of the color VOILET?

0 Answers  

---

if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

0 Answers   First City,

---