what is working of Master trip relay ?

Answer Posted / guru

In a protection system due to large number of protection
relays provided for various types of faults, all the
tripping devices are connected to a master trip from where
the tripping command goes to the concerned circuit breaker.

Is This Answer Correct ?    88 Yes 9 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is inter connected dc generator?

2234


explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

4087


Define resonant peak?

659


Generator,motor and alternator Working principal Please explain easily

998


What are the functions of different probes used in cro?

676






What is cathode ray oscilloscope (cro)?

678


how to calculation increase power factor for single phase

1823


for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.

2147


State the frequency for rc phase shift oscillator?

587


Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

1272


How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

1754


What is mean 2XWY

1986


State nyquist stability criterion.

638


hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

2466


draw singleline diagram of star to delta and dol starters

1790