Answer / k.prakashchandra

It is protection against undesirable difference of currents
in star(neutral) side and output side, in each phase.

What is the megger value for ht

16 Answers   Electrical,

---

In a star to star transformer can we use a common neutral for both star connected primary and secondary

1 Answers  

---

1 Ton is equal to how many watts?

0 Answers  

---

Myself completed B.Tech ECE in private university but i am working as an testing and commissioning engineer in electrical field whether i am eligibility to apply electrical licence.

1 Answers  

---

working principle of UPS

15 Answers   Mantri,

---

---

why exciter frequency 150 Hz ?

1 Answers   Siemens,

---

why we maintain 50hz ,220volts,20Amp,ratings fixed every where in india,,electricity

1 Answers  

---

How many types oil using in transformer ? How many letars using in transformer..?

0 Answers   TATA,

---

when we megger is not damaged when we are measuring very low resistance? high d.c. voltage is produced in megger so according to i=V/R. current will be high so what is the reason ?

1 Answers  

---

STATE WORKING OF VACCUM CIRCUIT BRAKER?

0 Answers   ABB, BEML,

---

What is the function of wave trap in an electrical substation?

2 Answers  

---

What is the important precuations need tocarried out while working with Electrolite in Battery PM?

0 Answers  

---