define IDMT relay?
Answer Posted / n.ravi teja
it is inverse definite time relay.and in the name it self
inverse means when fault current is more then its operating
time is less.because if it takes more time the equipment
may damage.so to avoid this the relay is made with inverse
characteristics.
Is This Answer Correct ? | 12 Yes | 4 No |
Post New Answer View All Answers
difference between high and low impedance BUS BAR relay??
What is the classification of hydro projects based on installed capacity?
What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection
what is Different between Bilinear and Unilenier?
How much voltage we need to apply in 33kv cable during hipot test of cable
What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?
what is meant by neutral compensation factor and where it is used
How to calculate LT XLPE CABLE for 11 kv / 433 v , 1000 kva oil type transformer system?
Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?
What is resistance reading of earth copper rod with grid and without grid?
how we can calculate 2 phase welding transformer rating or total power?
If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.
What is Surge Capacitor? Why it is use in Generator Circuit Breaker?
what is the minimum clearance between a 11KV 150KVAR capacitor cell and series reactor.can a series reactor can be mounted in the same structure of the capacitor cells structure
For group 1 , 2 whather i have to prepare my technical or general studies etc? and im graduate in ee engg. for wht posts im eligible for? please tell me!