Explain working of PIU(Power Interface Unit) in
Telecommunication,

Answer Posted / wittingsun78

PIU and UPS are the same thing? in telecomunication

Is This Answer Correct ?    14 Yes 33 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

1297


Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.

1474


Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set

1793


when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

1865


When will you multiply and devide with derating factors to the actual value while sizing the cable?

1501






For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

1660


What is knee point voltage?

684


What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

2300


List few applications of d.c series motor?

710


what is meant by motor startup supervision & motor load jam protection ?

5375


what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?

1521


why ss stablity limit is more transient stablity limit?

1673


what is a power factor?

1325


Explain about p.t?

676


how can see the ac indoor or out door ac which Tr

1566