หม้อแปลงขนาด 100 KVA

หม้อแปลงขนาด 100 KVA

Rated  power..……KVA100
Type of  transformer –Oil immersed ( Hermetically  sealed )
Standard –IEC  76
Cooling  System –ONAN
No. Of phase –3
Frequency……….Hz50
Rate  of  voltage       : Primary……….V.22000
                                 : Secondary..………V.400/230
Vector  group –Dyn  11
Tapping        Type –Off  Circuit  Tap  Changer
         No. of steps –5
         Percentage  of  tapping – + 2 x 2.5 %
Impedance  voltage at 75 C………..%4
NO – Load current…..…..%1
Ambient  temperature…..…….C40
Average  Temperature  rise  of winding…..…….C65
Average  Temperature  rise  of  top oil…………C60
Noise level not more than….……dB56
No – Load loss……..Watt250
Load  loss  at  75 C……..Watt1550
Efficiency at  P.F. = 1: 25 %  of rate  power…….….%98.94
: 50 % of rate   power…………%98.08
: 75 % of rate   power………..%98.79
: 100 % of rate power…..……%98.56
Voltage  regulation: at  P.F.  = 0.8…….….%3.22
: at  P.F.  = 0.9…….….%2.71
: at  P.F.  = 1.….…….%1.17
Impulse Withstand Voltage: Primary  winding..…….KV.125
: Secondary winding………KV. –
Power  Frequency: Primary  winding….…..KV.50
: Secondary winding………KV.3
Terminal  arrangementH.V. SideCable
 L.V. SideCable
Installation  onPole  mounted / Plantform