Answer Posted / chirag vadaliya

R.M.S.value

Who are the manufacturer for Nitrogen based Fire Protectio/explosion prevention for Oil Filled Transformers? India and international both?

1918

---

why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?

1860

---

what is the interrelation between voltage current torgue speed and magnetic flux in case of different types of electric motors

2096

---

-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.

2095

---

What is Anemometer used to measure?

1124

---

what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

1953

---

Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

1399

---

Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

2012

---

how do we calculate length of starting time and repeated starting of a direct online starter?

1978

---

how to select automotive wire by mathematical equation with given current, vlotage and resistance

2354

---

Explain what is rated speed?

1132

---

A cable with concentric PE conductor must be used with frequency converter circuits what does its means.?

1575

---

What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?

3540

---

how calculated Transformer losses.

2035

---

I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

4032

---