Answer / peter hone

Field loss is where field winding loses its residual
magnetism and can not operate. The process to reinstate the
magnetism is to flash the field...by flashing a small
battery across the field winding momentarily to regain the
magnetism...
Have done this on many occasions...it works!

What is meant by analogous system?

0 Answers  

---

what is demagnetising effect & crossmagnetising effect and how it is related to electrical system?is there any more effects are available or only these two??

1 Answers   Telco,

---

what is neutral plane shift?

1 Answers  

---

What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load

0 Answers  

---

why the amount of voltage generated at power generating stations is 11 KV only....?

3 Answers  

---

Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

0 Answers  

---

Why secondary of a CT in a power system acts as an open circuit after core saturation?

2 Answers  

---

What is the difference between Welding Transformer and Normal Transformer?.

2 Answers   DAE,

---

how to calculate slip ring induction motor stator and rotor currents??

0 Answers  

---

What is the advantage and disadvantage of dry type transformer?

5 Answers   Bhel,

---

how to find insulation resistance of a generator(11kv) by theoritical formula??

1 Answers  

---

How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.

0 Answers  

---