What is Primary and Secondary Injection Test of CT and
Relay.
Answer Posted / roy
primary injuction means we will inject the current in the
primary of the current transformer. and according to the CT
ratio and relay setting the relay will operate.
secondary injuction means we will disconnect the wires from
the secondary side of the CT and inject the current to the
relay directly. the relay will operate according to its
threshold.
Is This Answer Correct ? | 23 Yes | 5 No |
Post New Answer View All Answers
what is mean by parallel operation of permanent magnet generators
Alternator rotor earth fault relay circuit
A car's starter motor draws a current of 100 A at 12,0 V when starting the engine. The mechanical power required to turn the engine is 960 W. At what rate is energy from the battery converted to non-mechanical forms of energy?
To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?
what is the responsibility of C license holder in industry?
how many stairs have you climbed while you were coming
define as synchronous generator
Define characteristics impedance?
what are the different methods for the starting of a synchronous motor.
Explain dc generator with its types?
what is the ms flat constant for calculating earth mat design calculation?
i have 3500 amp load and select current transformer and perches.how i calculate .please understand
how to find impedance , mutual indatnce in transmission lines
Why is ignitor used in sodium vapour lamp
Why we use duplex coil and hook switch in telephone system?