33kv 40000kVA Power Distribution petrochemical Transformer
Our factory can produce voltage with 500kV and below, capacity 1000MVA and below series oil immersed power transformers. digesting the advanced technology at home and abroad, combined with the advanced technology at home and abroad and our company's experience in producing power transformers for many years.
Through optimization and innovation, we have successfully produced a series of power transformers with low noise, low loss, low partial discharge and high short-circuit resistance, Fully comply with and superior to national standards and International Electrotechnical Commission recommended standards.
Model NO.: SFZ-40000/33
Cooling Method: Oil-immersed Type Transformer
Winding Type: Two-winding Transformer
BASIC INFO.
| Model NO. | SFZ-40000/33 | Power | Transformer |
| Cooling Method | Oil-immersed Type Transformer | Power Supply | Power Plant |
| Winding Type | Two-winding Transformer | Transport Package | Wooden Cases |
| Certification | ISO9001-2000, ISO9001 | Specification | IEC Standard |
| Usage | Power Transformer | Trademark | VILLE |
| Frequency Characteristics | High Frequency | Origin | Made in China |
| Shape of Core | Ring | HS Code | 8504340000 |
| Brand | Ville | Production Capacity | 1set/6monthes |
Main function and characteristic
◎ Bell type tank and the wave form shell.; Increase the strength of oil box, beautiful appearance;
◎ Core is with D shape yoke, 45 angle seaming;
◎ Core and oil box are well fixed and well protected on moving;
◎ Reasonable wrapping method, in the interior and exterior structure of coil; Use support; Hard paper bucket between coils increases the capacity of anti-shortcut;
◎ Advanced assembling method such as cold pressing and welding technology, installing with sets of coil, paper bucket production.
THE MEANING OF MODEL
SFZ-40000/33 Power transformer
Name: Three-phase windings OLTC dual immersion air-cooled power transformers
Type: SFZ-40000/33
Rated voltage: 33/6.9kv
Rated power: 35000/40000kVA
Rated voltage ratio: 33± 3× 2.5%/6.9kV
Rated currency: 700/3347A
PHASE: THREE PHASE
Rated Frequency: 50Hz
Connection Symbol: Dyn11
Tap changer: On load tap changer
Impedance voltage%: 13+0.8%
Cooling way: ONAN/ONAF
Winding Insulation Level
Lightning impulse withstand voltage(Kv, peak value) 1 min Frequency Pressure(kv, virtual value)
Full-wave
Latest wave
HIGH voltage SIDE: 170 185 75
Low voltage side: 75 85 35
Low-voltage neutral point: 75 35
Insulation class Class A
Transformer windings of the Inter-field strength is not more than 2 Kv / mm
Transformer loss (below 75), the no-load current and efficiency
No-load loss: 21 kW
Load loss: 198 Kw
No-load current: 0.5%
Radio frequency interference and Corona
To the greatest work of the voltage, outdoor sunny evening out line without visible Corona, radio interference voltage is not more than 2500
UV.
TECHNICAL PARAMETERS
| Type | Voltage compose and | No-load | Load | No-load | Impedance | Transport | Gross | Dimensions | ||
| Tapping range (kV) | Loss | loss | current | voltage | weight | weight | L×W×H (mm) | |||
| HV LV Connection | (kW) | (kW) | (%) | (%) | (t) | (t) | ||||
| SZ9-2000/35 | 35 | 6.3 | Yd11 | 2.88 | 18.7 | 1 | 6.5 | 4.93 | 5.97 | 3010×2070×2540 |
| SZ9-2500/35 | ±3×2.5% | 10.5 | 3.4 | 21.7 | 1 | 6.5 | 5.68 | 6.95 | 3040×2270×2610 | |
| SZ9-3150/35 | 4.04 | 26 | 0.9 | 7 | 6.08 | 7.9 | 3160×2300×2640 | |||
| SZ9-4000/35 | 35 | 6.3 | 4.84 | 30.7 | 0.9 | 7 | 7.1 | 9.11 | 3300×2330×2890 | |
| SZ9-5000/35 | 38.5 | 10.5 | 5.8 | 36 | 0.85 | 7 | 8.47 | 10.86 | 3350×2520×3000 | |
| SZ9-6300/35 | ±3×2.5% | 7.04 | 38.7 | 0.85 | 7.5 | 9.87 | 12.3 | 3680×2650×3050 | ||
| SZ9-8000/35 | 9.84 | 42.8 | 0.75 | 7.5 | 12.55 | 15.3 | 4190×2930×3280 | |||
| SZ9-10000/35 | 35 | 6.3 | Ynd11 | 11.6 | 50.6 | 0.75 | 7.5 | 14.7 | 17.86 | 4620×3160×3400 |
| SZ9-12500/35 | 38.5 | 6.6 | 13.7 | 60 | 0.7 | 8 | 17.35 | 20.05 | 4740×3200×3540 | |
| SZ9-16000/35 | ±3×2.5% | 10.5 | 16 | 73 | 0.7 | 8 | 19.45 | 23.74 | 4810×3360×3790 | |
| SZ9-20000/35 | 11 | 18.9 | 88.3 | 0.7 | 8 | 27.5 | 34.95 | 4880×3540×4150 | ||
| SZ9-25000/35 | 22.4 | 104.4 | 0.65 | 8 | 32.51 | 40.22 | 4920×3920×4200 | |||
| SZ9-31500/35 | 26.6 | 125.3 | 0.65 | 8 | 37.73 | 45.53 | 5010×4270×4460 | |||
| Ratedpower (kVA) |
Valtage | Connction | 9 loss(kW) | 10 loss(kW) | 11 loss(kW) | No-load Loss(%) | Impedence Voltage(%) | Weight(t) | Outline Dimension(mm) | Guage | ||||||||
| H.V | L.V | No-Load Loss | Load Loss | No-Load Loss | Load Loss | No-Load Loss | Load Loss | Oil weight | Untanking | Total weight | L | B | H | (mm) | ||||
| (kV) | (kV) | weight | ||||||||||||||||
| 2000 | 35 38.5 ±3× 2.50% |
6.3 6.6 10.5 11 |
Yd11 | 2.88 | 20.25 | 2.59 | 19.24 | 2.3 | 19.24 | 0.8 | 6.5 | 1.9 | 7 | 3680 | 2050 | 2850 | 1070 | |
| 2500 | 3.4 | 21.73 | 3.06 | 20.64 | 2.72 | 20.54 | 0.8 | 2.1 | 7.9 | 3780 | 2220 | 2890 | 1070 | |||||
| 3150 | 4.04 | 26.01 | 3.64 | 24.71 | 3.23 | 24.71 | 0.72 | 7 | 2.4 | 7.5 | 8.5 | 3850 | 2310 | 2950 | 1070 | |||
| 4000 | 4.84 | 30.69 | 4.36 | 29.16 | 3.87 | 29.16 | 0.72 | 2.8 | 9.5 | 11 | 4120 | 2380 | 3150 | 1070 | ||||
| 5000 | 5.8 | 36 | 5.22 | 34.2 | 4.64 | 34.2 | 0.68 | 3.1 | 10.5 | 12 | 4210 | 2510 | 3220 | 1070 | ||||
| 6300 | 7.04 | 38.7 | 6.34 | 36.77 | 5.63 | 36.77 | 0.68 | 7.5 | 3.3 | 12.5 | 14.6 | 4320 | 3000 | 3290 | 1475 | |||
| 8000 | YNd11 | 9.84 | 42.75 | 8.86 | 40.61 | 7.87 | 40.61 | 0.6 | 3.8 | 14 | 17.1 | 4500 | 3100 | 3680 | 1475 | |||
| 10000 | 11.6 | 50.58 | 10.44 | 48.05 | 9.28 | 48.05 | 0.6 | 4.3 | 17 | 20.1 | 4560 | 3500 | 3750 | 1475 | ||||
| 12500 | 13.68 | 59.85 | 12.31 | 56.86 | 10.94 | 56.86 | 0.56 | 8 | 8.56 | 20 | 23 | 4650 | 3600 | 3830 | 1475 | |||
| 16000 | 16.46 | 74.02 | 14.81 | 70.32 | 13.17 | 70.32 | 0.54 | 9.5 | 23 | 27 | 5000 | 3800 | 3950 | 1475 | ||||
| 20000 | 19.46 | 87.14 | 17.51 | 82.78 | 15.57 | 82.78 | 0.54 | 10 | 28.5 | 33 | 5200 | 4100 | 4000 | 1475 | ||||
