Answer / j.karthik(cce)

Generator Protections are:

1. over current protection
2. Earth Fault protection
3. under voltage protection
4. pole slipping protection
5. under frequency protection
6. Impedence protection
7. df/dt protection

Transformer Protections are:

1. Differential protection
2. winding temperature protection
3. Oil temperature protection
4. overcurrent protection
5. Earth fault protection
6. undercurrent protection

Note:

The protection relays are increases deponds on the ratings
of the Transformer and Generator...

Answer / parmod kumar

Generators Protection's are

1. over current protection
2. Earth Fault protection
3. under voltage protection
4. under frequency protection
5. Reverse Current Protection
6. High Water Temperature Protection
7. Low Coolent Water Level Protection
8. Over Speed Protection
9. Low Lub Oil Pressure Protection

Transformer Protections are

1. Winding Temprature Protection
2. Oil Temprature Protection
3. Bucholz relay protections
4. overcurrent protection
5. Earth fault protection
6. undercurrent protection

Answer / n k singh

Generator protection means protecting the generator in case
any abnormality occurs on generator and transformer
protection means protection of transformer in case any
abnormality occurs on transformer.
General generator protections are:
1.U/F Protection
2.U/V Protection
3.Excitation failure protection
4.Protection against prime mover failure.
General Transformer protections are:
1.Overload protection
2.Ground /Earth fault protection
3.Restricted earth fault protrection
4.Winding temperature high protection
5.Winding protection.

WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?

0 Answers  

---

what happened when we supply a dc current in dc motor?? can it worked properly?

0 Answers  

---

what is 3rd Harmonics? how it is generated in alternator

2 Answers   Aditya Birla,

---

Whatis the procedure for getting Electrical (light) licence while Iam a diploma holder in electrical Engg . I Compleated my one yr Apprentice training & worked as a junior engineer (ele) for 2 yr(contract basis).

1 Answers   TVS,

---

WHAT IS THE MEANING OF 'UPF'&'LPF'.... HOW CAN WE DEFINE IT? WHAT IS THE VALUE/RANGE OF EARTH WIRE RESISTANCE USED PARTICULARLY IN HOME....

2 Answers  

---

---

WHY IS CT SECONDARY SHORTED TOWRDS TH EQUIPMENT TO BE PROTECTED

1 Answers  

---

what is the reasons for blowing fuse

1 Answers  

---

i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

0 Answers   MTDC,

---

While connecting bulb in Series/Parallel,there is any difference in glowing

3 Answers  

---

in catridge heeter  watts =110, 260 v ,  i checked in multimeeter meeter shows 50 ohms but oms law r=v square /w  260*260=67600, and 67600/110=614.5 ohms  how to caluclate exact ohms in heetre s 

2 Answers  

---

1amps current equal to howmany electrons to be flowed?

1 Answers  

---

what is the difference between HV and LV Breakers?

4 Answers   GM General Motors, OEG,

---