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TRANSFORMER 1000 KVA Data Sheet
Data Sheet Ref. : MV TRANSFORMER MV/LV 1000 KVA (20/11/0.41) Nos Description Units Required           Manufacturer     A Electrical Characteristics     1 Rated Capacity a
 
Data Sheet Ref. : MV TRANSFORMER MV/LV
1000 KVA (20/11/0.41)
Nos Description Units Required
       
  Manufacturer    
A Electrical Characteristics    
1 Rated Capacity at 20KV KVA 1000
1.1 Firm capacity at 11KV KVA 1000
2 Type   Ground mounted
3 Primary rated voltage KV 20/11
4 Secondary rated voltage V 410
5 Tapping range (on primary windings) %  
  ·         20KV   (+/- 2x2.5)
  ·         11KV   (+/- 2x3.5)
6 Principal tapping at KV 19/19.5
6.1 ·         20KV   20.5/21
6.2 ·         11KV    
7 Rated Frequency Hz 50
8 Vector Group Symbol   Dyn11
9 Impedance voltage at full rated power  % Un  
9.1 ·         20KV   5
9.2 ·         11KV   5
10 No-load losses, at rated voltage and frequency W 1250
      1470 (max)
11 Load losses  W  
11.1 ·         20KV   7835
      9500 (max)
11.2 ·         11KV   7835
12 No-load current (Io/In) % 0.35
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)   3
14.2 -Lightning impulse tests on HV windings    
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 <68
2 MV Bushings   IEC 137
2.1 Type    porcelain
2.2 Rated Current A 250
2.3 Minimum creepage distance  mm 225
3 LV Bushings    
3.1 Type    Cu Busbar
3.2 Rated Current A 2000
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
  total    yes
7 total Weight Kg ~3130
8 Weight of insulation oil Kg ~625
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   yes
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
       
       
Data Sheet Ref. : MV TRANSFORMER MV/LV
1000 KVA (20/15/0.41)
 
Nos Description Units Required
       
  Manufacturer    
A Electrical Characteristics    
1 Rated Capacity at 20KV KVA 1000
1.1 Firm capacity at 15KV KVA 1000
2 Type   Ground Mounted
3 Primary rated voltage KV 20/15
4 Secondary rated voltage V 410
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   Dyn11
9 Impedance voltage at full rated power  % Un  
9.1 ·         20KV   5
9.2 ·         15KV   5
10 No-load losses, at rated voltage and frequency W 1250
      1470 (max)
11 Load losses  W  
11.1 ·         20KV   7835
      9500 (max)
11.2 ·         15KV   7835
      9500 (max)
12 No-load current (Io/In) %  
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 Votage Tests on LV Windings KV  
14.1 -At 50 HZ (typical)   3
14.2 -Lightning impulse tests on HV windings    
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 <68
2 MV Bushings   IEC 137
2.1 Type    porcelain
2.2 Rated Current A 250
2.3 Minimum creepage distance  mm 225
3 LV Bushings    
3.1 Type    bushing
3.2 Rated Current A 2000
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 ~3130
8 Weight of insulation oil Kg ~625
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   yes
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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