20(10)kV Grade S11-M three phase oil immersed distribution transformer
Do special order according to customer design
20(10)kV Grade S11-M three phase oil immersed distribution transformer
Main Characteristics
1.Low no-load loss and energy conservation
2.Low noise and environmental protection
3.Long service lifetime and safe and reliable performance
4.Advanced structural design and exquisite craftsmanship
5.Appropriate protective measures
Normal Operation Conditions
1.Installation site: outdoors or indoors
2.Altitude: less than 1000M
3.Ambient temperature: -25oC~+40oC
4.Maximum relative humidity: 95%(25oC)
5.Earthquake-resistant capability: the horizontal acceleration of ground surface is 0.3g, and
the vertical acceleration of ground surface is 0.15g
concurrently acting continuous three sine waves, safety factor ≥1.67
6.All-weather working capability in outdoor environment
7.The equipment has certain capability in dustproof, antifouling, waterproof, earthquake resistance and shock resistance
Note: Transformers operating in special environment are available upon the demand of customers.
Standard of Products
GB1094.1-1996, GB1094.2-1996, GB1094.3-2003, GB1094.5-2008, GB1094.7-2008, GB/T6451-2008, etc
20(10)kV S11-M-30~2500/20,
Performance Parameter List
Rated capacity (kVA) | Voltage combination and tap range | Connection Group | No-load loss (W)
| 75°C load loss (W) | No-load current (%) | Impedance voltage (%) | ||
High voltage (kV) | Tap (%) | Low voltage (kV) | ||||||
50 | 20 (10) | ±5 ±2*2.5
| 0.4 | Dyn11 Yyn0 | 300 | 1230 | 1.90 | 6.0
|
100 | 470 | 1980 | 1.50 | |||||
160 | 580 | 2460 | 1.30 | |||||
200 | 640 | 2930 | 1.10 | |||||
250 | 730 | 3400 | 1.10 | |||||
315 | 840 | 4060 | 1.00 | |||||
400 | 1000 | 4820 | 1.00 | |||||
500 | 1170 | 5760 | 1.00 | |||||
630 | 1320 | 6800 | 0.80 | |||||
800 | 1520 | 8220 | 0.80 | |||||
1000 | 1790 | 9730 | 0.80 | |||||
1250 | 2060 | 11480 | 0.80 | |||||
1600 | 2410 | 13790 | 0.80 | |||||
2000 | 2800 | 16290 | 0.60 | |||||
2500 | 3340 | 19270 | 0.60 | |||||
1600 | 2410 | 14500 | 0.80 | 8.0 | ||||
2000 | 2800 | 17700 | 0.60 | |||||
2500 | 3340 | 21000 | 0.60 | |||||
Note: 1. Load loss values above the oblique line in the table are applicable to the Yyn0 connection group, and the values below the oblique line are applicable to the Dyn11 or Yzn11 connection group.
2. The list shows main performance parameters of a three-phase duplex winding off-circuit-tap-changing distribution transformer. Customized transformers of different specification are available upon the demand of users.
