Answer / sumit mishra from areva t&

Protection required for dectection of abnormal(fault) condn
in case of generator are called generator protection.

Proetction req is based on the rating of the generator.
Following are some protection req in case of Generator.
1.Under/over voltage
2. Under/Over freq
3. Reverse Power
4. Differential Protection
5. Voltage controlled/restrained O/C
6. Loss of Filed
7. Stator E/F
8. Rotor E/F
9. Negative sequence/unbalance
10 Pole slipping etc..

How to conduct a Hipot test on a 11KV cable?

2 Answers  

---

can we use HPSV LAMP in HPMV LAMP fixture ?and viseversa.

5 Answers   OPS,

---

what r the tests on the 3 phase transformers can any one explain how to test using megger on transformers thx

2 Answers  

---

i have completed deee and i've (June2012-feb 2015 experience in electrical maintenance in pvt ltd company.company having HT & LT electrical power.how to apply electrical C-license ,NOW I was resigned my job,what are requirements of applying for c-license

0 Answers  

---

WHAT HAPPEN WHEN CT SECONDARY OPEN DURING LOAD

16 Answers   Neco,

---

tube light how its working.,?

3 Answers  

---

How many kinds of E.L.C.B and how to work E.L.C.B

0 Answers   Accenture,

---

how to calculate knee point voltage of current transformer?

21 Answers   Bhel, Bhilai, Jackson,

---

when a cunductor is being disconnected from live cct, still it showing charged, if its checked by line tester?

8 Answers   GEB,

---

which plant has high load factor

10 Answers   APTransco,

---

if the synchronizing b/w generator and busbar not complete and we close the out going circuit breaker of generator then what happen ?

4 Answers  

---

although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

0 Answers  

---