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Question
what is the meaning of TPN
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Triple pole with Neutral- for switch gear products 
Is This Answer Correct ?    29 Yes 1 No
Nithyanandam
 
Answer
# 2
TPN-three pole neutral
if in switchgear TPN is mentioned means switchgear have
three power terminal and one neutral terminal.
 
Is This Answer Correct ?    19 Yes 0 No
Vinamra
 
 
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
How much area is covered by a single lightning arrestor to protect object from lightning strokes ?   1
Difference between on line capacitor and Station type capacitor.   1
Is current scalar or vector?   8
HAI,HOW TO SET THERMAL OVERLOAD RELAY FOR DOL STATRTER FEEDER AT START AND RUNNING? L&T 4
1 Kva = How many HP   2
what is the significance of tan delta testing?explain the theory?   7
WHAT IS AUTO TRANSFORMER? L&T 6
How do you select a cable size(cu and Al) for a particular load Pepsi 6
can we amplify dc signals.how can it be done   3
The neutral&earth voltage is 0v.But we were connected the lighting load at the time ballast was failed.why?   1
C.S.R. and where are they use in electrical systems   1
In all the generators, the excitation supply is DC. What is the significance of DC excitation? What will happen if AC supply is given as excitation supply?   2
 
For more Electrical Engineering Interview Questions Click Here 
 
 
 
 
 


   
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