In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

---

In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

0 Answers  

---

why the blede and jow of isoletor demage in substation?explan.

1 Answers  

---

WHAT HAPPEN IF LT SUPPLY 415 V FED TO THE HT 3.3KV MOTOR

1 Answers  

---

Witch do depand of Power factor and theory of power factor?

0 Answers  

---

---

house wiring - series wiring or parallel wiring

4 Answers  

---

If we feed 230V ac supply to a full wave rectifare, what & how much will be the out put voltage?

3 Answers  

---

What is the difference between earthed & unearthed system?

2 Answers   HCL,

---

What is the meaning of ST and HT in electrical transmission and what are thier range.

6 Answers  

---

How the field flux is controlled in DC drive ?

4 Answers   TATA,

---

WHAT IS THE MINIMUM IR VALUE FOR CABLE CHARGING

4 Answers   Google,

---

I have 30 kw motor load & i have selected 10 kvar capacitor bank for power factor improvement.my existing p.f is 0.85 & proposed p.f is 0.99 so ,is it right selection? 2 nd question how to connect c.bank whether in delta or star connection & how to decide it?

1 Answers  

---