Answer / jerald xavier

In Motor Starter circuit, The load (Motor) is Normally Open
untill the voltage coil is energised. The working of this
coil is mainly dependent on the voltage, and there is no
importence for current in this coil,hence the name NO
voltage coil.

'N' stands for Normaly, 'O' stands for Open

Answer / pradyumna chandra panda

I WOULD LIKE TO ASK ABOVE QUESTION.

Answer / sreekar

since if no volt is avialble for coil operation, it
isolates the motor from supply.
like that it protect motor from start on load when supply
resumes.

What are the main parts of central chiller plant? Explain the function of each stage.

0 Answers   HSL, Shankar Electricals,

---

What is meant by Resonance what are the different types of resonance and what are uses of them?

14 Answers   Infosys, NTPC,

---

Slipring moter find external resistance

1 Answers  

---

what is relation between vector group of transformer and its load hormonics?

1 Answers   Sanmar,

---

how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable

0 Answers  

---

---

How to calculate meter constant in HT yard pls give me example for this issue

1 Answers   Juniper Networks, MacLellan,

---

what is skin effect and why is it absent in DC systems

4 Answers  

---

what is Touch and Step voltages

1 Answers   Pinnacle,

---

what is different between installation and commonissonig.

3 Answers  

---

1.what type of oil used in tranformer. 2.oil vesocity. 3.oil gauge. 4.witch time oil filterring & how much temperature maintaned.

9 Answers   NTPC, Reliance,

---

if reactive power become zero in transmission system then what effect on system.???

3 Answers   Sedemac,

---

How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers   ABB,

---