Answer / senthil

Relay is the electrically operated switch.
it used to protective, control and sequential switching
circuits.

Answer / sunil

relay is a protecting device which is sence the abnormal
condition(like any fault) & give the initiative to circuit
breaker,which is isolae the faulty one frm the ckt.

Answer / mradul varshney

RELAY IS A SWITCH. WHICH OPERATE WITH THE HELP OF MAGNETIC
CONDUCTION IN INBUILT MAGNATE.WHEN MAGNATE IS MAGNETISED
THEN ITS MAKE A CONNECTION.

Answer / m.praveen

A relay is a type of switch which has an electromagnet and
an iron rod. current causes the rod to switch back and
forth through two terminals,which activates two seperate
circuits,

Answer / pukhraj meghwanshi

Relay is electricly operated switch which operate the
auxillary cicuit. Relay is also used for limiting purpose
when circuit cross the limit then relay operat and acuate
the circuit breaker.

Answer / hasan mehdi

Relay is a device that detect the fault and initiates the
operation of the c.b to isolate the defective element from
the rest of the system

Answer / ashok

relay is a protecting device which is sence the abnormal
condition(like any fault) & give the initiative to circuit
breaker,which is isolae the faulty one frm the ckt.

Answer / suresh g

A relay is a device which senses the abnormal current
present in circuit and isolates the circuit from the fault
current by tripping the circuit breaker. Its contacts can
be used for providing interlocks there by making the system
more secure and safe

Answer / ramu

relay is a sensing device it gives signal to open the switch
(connected to fauled portion) when the fault occurs

Answer / debaroon ray

Relay is a protective device that detects the fault and
initiate the operation of circuit breaker to isolate the
defective circuit from the rest of the system.

in which base we defined the conductor is Dog type, Squirrel type, rabbit type, wolf type etc used in transmission line?

3 Answers   Bhel, CIL,

Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

0 Answers  

What is function of Diesel Generator?

2 Answers   Bhel,

photo conductive cell

4 Answers   Bhel,

IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace.

1 Answers   Jindal,

what are iron and copper losses

4 Answers  

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

0 Answers  

what is the difference between HV and LV Breakers?

4 Answers   GM General Motors, OEG,

what is the speed of a turbine in an hydroelectric power station and how many poles does it have...?

1 Answers  

after syncnhronistion how generator speed controlled by grid

3 Answers  

What is duty cycle and protection class?

4 Answers   SISL,

Define the term Capacitance and Inductance?

0 Answers