Answer / guest

by its elctrical device number(ANSI number).
ex. 1) 21 - distance protn.
2) 87B - busbar differential protn.
3) 87T - trafo. differential protn.
4) 64N - ref

Why pmg used in electrical generators for excitation.is there any other method without pmg ?

1 Answers  

---

what is relation between motor poles & motor current in 3 phase motor

1 Answers  

---

what will be the min and max voltage flow from neutral to earth?

0 Answers  

---

What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?

0 Answers  

---

Why does inductive loads consume KVARs?

0 Answers  

---

1hp= how much rpm

0 Answers  

---

y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..

0 Answers   ME,

---

Electrical Diagram of Electric Arc Furance from transformer to Furances

1 Answers  

---

what will happen if 11KV is given to 1.5 square mm cable connected with constant load of 10A ?what will be the condition of cable after injecting the voltage?

1 Answers  

---

why do we use magnetic contactors ?circuit breakers are not enough?

5 Answers  

---

when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?

0 Answers   Power Grid,

---

why ct ,cvt should be stored in a vertical position?

0 Answers   Balco,

---