Answer / prem singh

in star connection we have get neutral point but in delta we have not got neutral point

Answer / kamal gulati

in star connection,
LINE VOLTAGE = 1.732 PHASE VOLTAGE
LINE CURRENT = PHASE CURRENT

in delta connection,
LINE VOLTAGE = PHASE VOLTAGE
LINE CURRENT = 1.732 PHASE CURRENT

Answer / kavitha

star connection used for 3-wire& 4-wire system but delta
connection used for only 3-wire system.In star phase&line
currents are same ,voltages are different .In delta phase
&line currents are different ,voltages are same.

What is power factor ?What are the benefits of improved power factor & how. Please explain with examples.?

5 Answers   ABB,

---

can we light the mercury vapour (tube light)with out a 1).starter and 2).choke in our homes if yes explain how?

5 Answers  

---

what is difference between RCB,RCCB &RCBO?

3 Answers   ABB,

---

how to calculate the capacity of the AC motor

1 Answers   TATA,

---

WHAT IS MEANING OF VECTOR GROUP FOR TRANSFORMER

2 Answers  

---

how to find number of run for transformer & alternator secondary side? give the example.

2 Answers   Powergear, Regen Powertech,

---

how to calculate the mf of kwh meter,if ct the ratio on meter is 100/5A

2 Answers  

---

xlpe cable 4 core nuetral wire is small why ?

3 Answers  

---

when we increased the current what do ?

0 Answers  

---

In a distribution system,having 3phases & 1 nuetral.ecah phase to neutral is 230V,line-line voltage is 440V,but what is the voltage of each line.but it should obey the KVL law.

2 Answers  

---

For my plant the electricity department charging some amount for t/f losses. May i know what are transformer losses

1 Answers   L&T,

---

what is AVR? what is the function of AVR?

2 Answers  

---