Answer Posted / pravin

if a long cable is connected what will happen to charging
current & surges that may affect transformer winding. Also
the protection given to transformer is overcurrent & earth
fault that may not work properly, it may mal operate. I am
surching for any standrad that could specificaly mention
this matter.

How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

1938

---

i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

2603

---

Difference between RCCB, RCBO and ELMCB.

4081

---

How to calculate multiplying factor of dc energy meter

1665

---

Details about Flux Compensated magnetic Amplifer starter for motors

2010

---

At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

2029

---

When are the directional relays used?

1050

---

Motor,transformers,capacitor tubelight etc....

1637

---

Which power will flow first if we switch on a motor Active or Reactive? How?

5558

---

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

1897

---

What difference between ref protection and differential protection ?

1838

---

What is the exact formula for one weber of magnetic flux?

2135

---

what is the safty of poly phase tranformer?

2123

---

I am doing apprenticeship training at HT switch yard in NLC. How can i get electrical c license. ??? What r the rules for getting it as an apprentice? ??

1841

---

i m doing DEEE in part time,can i join regular cources in BE,,IF i join what the cources can i select like (civil,ece,IT) ,,kindly advice

2104

---