Answer / r k choudhary

Ring main unit is a looping of all equipment if power
supply from end fail then power supply from other end fed
in equipment. there will be no hindrance in our work.

Answer / david vk2cz

ATS is an automatic transfer switch, meaning it will accept power from 2 sources, and automatically switch to the source with available power. This can be dangerous in maintenance activities, unless it is switch to manual. Mostly used in datacentres, underground train stations and underground corridor lighting

what is the difference between single phase, 2 phase, and 3 phase in electric meter?

1 Answers  

---

can we use breather in a SEALED power or distribution transfomer instead of injecting nitrogen.

1 Answers  

---

what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?

0 Answers   Reliance,

---

what is hysteresis loss?

4 Answers   PSU,

---

why we r not earthed Control cable of C.T. terminals

0 Answers   HCC,

---

---

a transformer runs by electro-induction principle like all motors.then why dosen't it rotate just like any other motor

2 Answers  

---

WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

0 Answers   GE,

---

where the lexical paramater will use in fron end?

0 Answers  

---

Why does the Solid state Rectifiers for 3-ph brake motors sometimes have 2 & sometimes 3 output terminals?

0 Answers  

---

what is the preventing maintenance of transformer

1 Answers  

---

what is saturation? what role it plays in operation of ct's,motors etc and how its affects the behaviour of the same.

1 Answers  

---

We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

---