Power Transformer 40mva

Product Specifications

Prod Model:	SFZ-40000/33
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Furnace:	Transformer
Phase:	Three
Coil:	Core-type Transformer
Cooling Method:	Oil-immersed Type Transformer
Winding Type:	Two-winding Transformer
Application:	Power

Product Description

Transformer Main functions and characters:
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.
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

2-14. Insulation class Class A
2-15. Transformer windings of the Inter-field strength is not more than 2 Kv / mm
2-16. Transformer loss (below 75), the no-load current and efficiency
No-load loss: 21 kW
Load loss: 198 Kw
No-load current: 0.5%
2-17. 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.

Type	Voltage compose and Tapping range (kV) HV   LV    Connection			No-load Loss (kW)	Load loss (kW)	No- load current (I%)	Impedance voltage   (%)	Transport weight (t)	Gross weight      (t)	Dimensions  L×W×H (mm)
SZ9-2000/35	35 ±3×2.5%	6.3 10.5	Yd11	2.88	18.7	1.00	6.5	4.93	5.97	3010×2070×2540
SZ9-2500/35				3.40	21.7	1.00	6.5	5.68	6.95	3040×2270×2610
SZ9-3150/35				4.04	26.0	0.90	7.0	6.08	7.90	3160×2300×2640
SZ9-4000/35	35 38.5 ±3×2.5%	6.3 10.5		4.84	30.7	0.90	7.0	7.10	9.11	3300×2330×2890
SZ9-5000/35				5.80	36.0	0.85	7.0	8.47	10.86	3350×2520×3000
SZ9-6300/35				7.04	38.7	0.85	7.5	9.87	12.30	3680×2650×3050
SZ9-8000/35				9.84	42.8	0.75	7.5	12.55	15.30	4190×2930×3280
SZ9-10000/35	35 38.5 ±3×2.5%	6.3 6.6 10.5 11	Ynd11	11.6	50.6	0.75	7.5	14.70	17.86	4620×3160×3400
SZ9-12500/35				13.7	60.0	0.70	8.0	17.35	20.05	4740×3200×3540
SZ9-16000/35				16.0	73.0	0.70	8.0	19.45	23.74	4810×3360×3790
SZ9-20000/35				18.9	88.3	0.70	8.0	27.50	34.95	4880×3540×4150
SZ9-25000/35				22.4	104.4	0.65	8.0	32.51	40.22	4920×3920×4200
SZ9-31500/35				26.6	125.3	0.65	8.0	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 (mm) H.V(kV) L.V(kV) No-Load Loss Load Loss No-Load Loss Load Loss No-Load Loss Load Loss Oil weight Untanking weight Total weight L B H 2000 35 38.5 ±3× 2.5% 6.3 6.6 10.5 11 Yd11 2.88 20.25 2.59 19.24 2.30 19.24 0.80 6.5 1.9   7 3680 2050 2850 1070 2500 3.40 21.73 3.06 20.64 2.72 20.54 0.80 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 5.80 36.00 5.22 34.2 4.64 34.2 0.68 3.1 10.5 12 4210 2510 3220 1070 6300 7.04 38.70 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 0.60 3.8 14 17.1 4500 3100 3680 1475 10000 11.60 50.58 10.44 48.05 9.28 48.05 0.60 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

Our advantages:
Quality Assurance
--From the very beginning, VILLE ensures quality in every step to achieve the best quality.
Experience Sharing
--With more than 30 years' experience in power industry, VILLE brings you an optimized solution.
Global Service
--Wherever you are, VILLE global network will support and provide you with value.
Quick Response
--In response to your needs without delay, VILLE  knows the value of your time.
Packaging Details: The accessories packed in plywood cases,the main body in nude.

Our Best Service For You
1. Pre sale service
A. Make technical solution
B. Send quotation, technical data sheet and drawing
C. Prepare power transmission plan, testing plan,and shipment plan
2. In sale service
A. Supervise the manufacturing schedule totally in accordance with the plan
B. Send photos to customer during every manufacturing process(hold point)
C. Inform the customer one week before testinng.
3. After sale service
A. Installation and commissioning, training the workers
B. Quick response within 12 hours any time
C. Provide 12 months gurantee period normally.