Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / venkat
basically there are 3 types of relays 1)electromagnetic
relays 2)electro static relays 3)microprocessor based
relays. and the name to realys came from
application ,ex.over current ,under frequency,etc ......
so basic classification is just like first line
| Is This Answer Correct ? | 9 Yes | 0 No |
Post New Answer View All Answers
Define peak time.
some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?
What is the difference between single point and double point bonding. please kindly detail about bonding of cables.
how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............
Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?
In Power Line Communication (PLC) the wave trap is used to block communication signals from entering neighboring lines. My question is this: Why do they allow for different filtering arrangements on these wave traps? Isn't it always going to be a low pass filter since we want the power frequency to go through, and the comm signal blocked?
What types of high speed CMOS circuits have you designed?
which is the best institute for PLC,SCADA,DCS in hyderabad
Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.
In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...
design a LV scheme for a 15 storied building?
sir plz send some previous year questions of jspl.
What is the control action?
how to prepare the technical test
please give some hindalco placement papers for written exam
