Explain working of PIU(Power Interface Unit) in
Telecommunication,
Answer Posted / jile singh
piu(power interface unit) convert 3 phase ac power supply in
230 volt ac with stablised and no surge and interference
effect. piu mostly used in telecom sector for providing ac
supply to all equipment used in shelter and also control dg
and consist a lot of protection and showing alarm indication
and record events upto 500.
| Is This Answer Correct ? | 224 Yes | 17 No |
Post New Answer View All Answers
what is the write prosidure of stringing of 8meter pcc pole.
How to decide cable tray size?
Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.
how we decide wire gauge for ac or dc coil and what is the basic diff. B/w these two coil?
what is the difference between rectifier and converter and commudator?
operation of protection relay watchdog contact?
What are the insulation standerds for eg H clase and how many insulation standerds are there and its standerds??????
Why is water motor not taking the pressure? what is the problem?
How you will determine the volume of oil in a particular Distribution transformer.
Is vtg is controlled by the resistor? if else how much?
What is shutdown of electrical sub station?
1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?
Why can't we parallel the secondary circuits of two voltage transformers?
I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership
how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????