Answer / ashutosh

it is used in the distance protection

Answer / siva

Impedance relay or mho relay are used in HT transmission to
reduce voltage drop. it mean it can be used as distance relay.

Answer / mukhesh

imp relay used in medium tr lines hv and ehv also used
asa distance realy

Why 30°phase shift occur in star-delta transformer between primary and secondary?

1 Answers  

---

IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM

0 Answers  

---

how to stop oil leakage in power transformer.

1 Answers   APGenco,

---

what is Fault level? why it is calculated? how will u decide same for our plant?

0 Answers  

---

in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

0 Answers  

---

---

what should be the spaciing between street lights designed for a manufacturing location. any IS codes?

0 Answers  

---

what is floating charger and boosting charger?

4 Answers  

---

What is the permissable nutral current of three phase system as per IS standards?

0 Answers  

---

What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

0 Answers   GNFC,

---

Which phase is prefered for connecting 1phase vt used for synchronism in an OHL? why?

1 Answers   Siemens,

---

what is auto transformer?

4 Answers  

---

why in a swquence network representation, the negetive sequence generated voltage is taken as zero?

0 Answers  

---