Answer / satya dev

For Alternator..... Over Voltage & Under Voltage Relay,
Over current & Earth fault relay but all these are not
directlay connected to alternator, It is connected to the
ACB of alternator to safe the Same during faults.


For Transformer...... Buckholz Relay, Winding temperature
Indication(Alarm & tripping system) Oil temp. Indcation etc.

Answer / taju

For Alternator- Under/over voltage protection,Reverse
power,under/over frequency,ground fault protection,

For TXR-Buckholz rely,winding temperatur,Oil
temperature,ground fault protection.

what is cathodic protaction?

0 Answers  

---

can anyone plz tell me in 3 phase induction motor, whare we use STAR CONNECTED MOTOR and whare we use DELTA CONNECTED MOTOR

3 Answers  

---

How will I know that how many batteries I should connect to my UPS unit?

3 Answers  

---

why steady state stability limit is greater than transient stability limit ? How it can be explained ?

0 Answers  

---

wat is power factor

7 Answers   IOCL,

---

what are the reasons of CT circuit faulty in busbar protection scheme?

0 Answers   Getco,

---

XYZ

0 Answers   ASD Lab,

---

What is SFU why it is used

1 Answers  

---

why is control bus bi-directional?

0 Answers  

---

What is the thumb rule for calculating the P.F correction Capacitor?? Say for 100 hp motor how much micro farad Capacitor is needed .... Thumb rule so quick answer wanted

9 Answers   Bhel, Dubai Group,

---

can we use optical fibre to electrical power transmission ?

1 Answers  

---

My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor

2 Answers   RIB Software, TATA,

---