Answer / nb4patel

below 3 volts

Answer / sheikh

Between neutral and protective earth voltage should be zero. while between neutral and system earth voltage should be not exceed more than 3 volts

give me battery AH calculation in U P S

1 Answers  

---

why the three phase transformer's star point does not sparks or seperated? while we often see that two phases touches each other it sparks and ocationaly conductor breakes out.

4 Answers  

---

I have c license but I don't know eligibility of Max Kilo Volts under the electrical licensing board.

0 Answers   MindSquare, Sical,

---

what modulation is used in landline telephone signals?

2 Answers  

---

If you see the HRC fuse name plate. Its shown ampere rating shown which is in many KA (like 80KA and so on). any body explain what is meaning of this value?

7 Answers  

---

what is the function of compressor?

2 Answers  

---

why neutral of 6.6 kv star connected sq. cage induction motor does not get earthed, though for earth fault protection it is must.

7 Answers  

---

What is the difference between Derived earth Fault and measured earth fault.How it works.

1 Answers  

---

what is the effect of earth on capacitance in 3-phase and 1- phase transmission line?

0 Answers  

---

Explain the power rating of a bulb, say 60W, what if the voltage changes

4 Answers  

---

If there is no problem with the electronic circuit and regulator then why the motor start rotating at low value of regulator with full speed both at laod and no load??? and if my judgement of circuit is wrong then what is your openion?

1 Answers  

---

how the earhing is done on ship and airplane.

2 Answers  

---