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Question
Explain working of PIU(Power Interface Unit) in 
Telecommunication,
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
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 ?    18 Yes 0 No
Jile Singh
 
Answer
# 2
piu and power plant ka all component and image 
Is This Answer Correct ?    0 Yes 2 No
Tarun
 
 
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
In a closed circuit if two 5volt power supplier are connected in parrel what is the current direction in tihs circuit?   1
what is the difference between a hooter and a mcp   2
If we touch the Capacitor terminals you feel shock after the capacitor was put in operation and not in case of inductor though both are energy storage elements.why? HAL 4
WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY AS YOU SUGGEST ? L&T 32
How to calculate kva? what is the formula. UltraTech 21
generally on the roadside v hav 11kv line which is being step down to 440v line to line....so any1 can tell me which type of transformer they r using whether it is star to delta,delta to star etc...??? Core-Solutions 9
it is difficult to interrupt a capacitive current because (a)it has a leading power factor (b)current magnitude is very small (c)the restriking voltage can be high (d)stored energy in the capacitor is high   1
what is the material use in bus bar & why.   2
Why Current Transformers cannot be connected in parallel   9
WHY THE RATINGS OF TRASNFORMER IS IN KVA?   5
I want to know the currect formula for industrial lighting lux caluculation & light fittings selection MRF 2
The earth pin of some three pin plugs are seen split. why?   1
 
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