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TRANSFORMER 160 KVA (20/15/0.41) Data Sheet
Data Sheet Ref. : MV TRANSFORMER MV/LV 160 KVA (20/15/0.41)   Nos Description Units Required           Manufacturer     A Electrical Characteristics     1 Rated Capaci
 
Data Sheet Ref. : MV TRANSFORMER MV/LV
160 KVA (20/15/0.41)
 
Nos Description Units Required
       
  Manufacturer    
A Electrical Characteristics    
1 Rated Capacity at 20KV KVA 160
1.1 Firm capacity at 15KV KVA 160
2 Type   Pole Mounted
3 Primary rated voltage KV 20/15
4 Secondary rated voltage V 410 or 205
5 Tapping range (on primary windings) %  
  ·         20KV   (+/- 2x2.5)
  ·         15KV   (+/- 2x3.5)
6 Principal tapping at KV  
6.1 ·         20KV   19/19.5/20.5/21
6.2 ·         15KV   14/14.5/15.5/16
7 Rated Frequency Hz 50
8 Vector Group Symbol   Yzn11
9 Impedance voltage at full rated power  % Un  
9.1 ·         20KV   4
9.2 ·         15KV   4
10 No-load losses, at rated voltage and frequency W 220 (reduced) 
      460 (max)
11 Load losses  W  
11.1 ·         20KV   1275 (reduced)
      2350 (max)
11.2 ·         15KV   1275 (reduced)
      1750 (max)
12 No-load current (Io/In) % 0.75
13 Voltage Tests on HT Windings KV  
13.1 -Induced AC withstand voltage test   40
13.2 -At 50 HZ (typical)   50
13.3 -Lightning impulse tests on HV windings   125
14 Voltage Tests on LV Windings KV  
14.1 -At 50 HZ (typical)   8
14.2 -Lightning impulse tests on HV windings   30
15 Dielectric strength with low oil % 75
16 Temperature rise (average) °K  
16.1 -oil   55
16.2 -winding   60
       
B Other Characteristics    
1 Noise Level (average) dB <53
2 MV Bushings   CEI 137, DIN 42531
2.1 Type    porcelain
2.2 Rated Current A 250
2.3 Minimum creepage distance  mm 250
3 LV Bushings   DIN 42530
3.1 Type    porcelain
3.2 Rated Current A 250
3.3 Minimum creepage distance  mm/KV  >25
4 Insulating Oil   Mineral Oil
       
      NYNAS or equivalent 
      Free from PCB
5 Winding conductor material (all windings)   Cu or Al
6 Completely filled Degree of Hermeticity    yes
7 total Weight Kg ~733
8 Weight of insulation oil Kg ~175
9 Overall dimensions  cm  
9.1 height   <160
9.2 Length   <93
9.3 width   <150
10 Tap Changer at MV side   yes
11 DGPT2   no (TBC)
12 Identification of terminals   yes
13 Filling and Emptying Hole   yes
14 Earthing   yes
15 Wheels   yes
16 Corrosion protection   yes
17 Name plate   French / English
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