50kVA 3150V 4X2.5% Three Phase Distribution Transformers with Natural Cooling Hermetically Sealed Transformer

China 
                50kVA 3150V 4X2.5% Three Phase Distribution Transformers with Natural Cooling Hermetically Sealed Transformer
              manufacture and supplier

50kVA 3150V 4X2.5% Three Phase Distribution Transformers with Natural Cooling Hermetically Sealed Transformer image

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Basic Info.

Model NO.
S11-50/3150-237-137

Cooling Method
Oil-immersed Type Transformer

Winding Type
Two-winding Transformer

Certification
ISO9001-2000, ISO9001

Usage
Distribution Transformer

Frequency Characteristics
High Frequency

Shape of Core
Ring

Brand
Ville

Transport Package
Wooden Cases

Specification
IEC CE, ISO

Trademark
VILLE

Origin
Ningbo China

HS Code
8504220000

Production Capacity
3000/Year

Product Description

Introduction:

Load regulating power transformer is developed and produced according to the requirement of the market. It

can be widely used in urban & rural, industrial & agricultural power network, which has a great significance for

energy-saving and environment protection. The lamination method of this product’s iron core is ladder form,

instead of the traditional iron core lamination technology, which improves the magnetic circuit distribution inside

the iron core. It can be seen as a revolution of transformer iron core manufacturing. Compared with the

traditional, the no-load loss, no-load current and noise of the new one decrease 20% respectively, and load

loss decreases 10%. The new product applies CAD, with advance design, reasonable structure, and excellent

materials. Each index complies with the standards of GB1094-1996 “Power Transformer” GB/T6451-1999

“Technical Parameters and Requirements of Three-phase Oil-immersed Type Power Transformer”. Now its level

is the leading position of our country.

Range of application:

It can be widely used in urban power network as well as petrochemical, metallurgical, textile and humid,

inaccessible enterprises, and mining.

Features:

High reliability, advanced level of performance, economic indicators and reasonable;

Using phase-shaped core of three joints, curing paint brushing the surface to reduce wear and tear and noise;

Winding structure of a new oil road design is reasonable, with the new insulation to improve the mechanical

strength and the ability to engage in short-circuit;

Tank forms, beautiful, generous.

Technical parameters:

Weight (KG):Oil Weight:75    Gross Weight:345

Dimension (mm):LxWxH=755x595x855

Gauge:400×400

Three phase distribution transformers with natural cooling (ONAF) for outdoor use, hermetically sealed, without 
conservator.
TYPICAL DATA
Rated power: 50 kVA
Standard: IEC 60076
High Voltage: 3150  V, ± 4 x 2,5%
Low voltage: 237/137 V
Vector group: Dyn 11
Approx. No Load losses:  Max 115 W
Approx. Load losses:  Max 840 W
Impedance: 4%
Frequency: 60 Hz
Cooling: ONAN
Approx. dimensions (L x W x H) :840 x 1190 x 510 mm
Pole mounted version
GENERAL DATA
– According to NEN 2761 till 2765, NEN 3184, IEC-60076
– Max. ambient temperature: 50°C
– Temp. rise oil/windings: 50°C/55°C
BIL: 2 kV
– Hermetically sealed, with nitrogen cushion
– For outdoor installation
– Corrugated sheet steel tank
– Painting: 1x layer metal primer
2x layer finishing paint; color RAL 7033 paint finish system suitable for tropical conditions
– Cooling medium: oil Shell Diala B or equivalent
– H.V. and L.V. windings copper
CONNECTIONS
– 3 pcs. H.V. through insulators DIN 42531
– 4 pcs. L.V. through insulator DIN 42530
– 2 pcs. Earthing connections M12
ACCESSOIRES
– Name and data plate
9 position off circuit tap changer
– Filling plug
– Lifting-, pulling/ transport eyes
– Overpressure (safety) valve
– Horizontal LV terminal pad connectors
– Bracket for pole mounting according to drawing 201524 (pole dimension 8″ x 8″)
* All above mentioned characteristics are at nominal current, 75°C winding temperature and frequency 60Hz.

RECOMONED TRANSFORMER: 

TYPE Capacity
KVA
Load
Loss
Load Negative
consu-mption
Load
Current
Impedance
voltage
Dimensions Weight
KG
A B C D E F
S9-M-30/10 30 130 600 2.1 4.0 770 635 1000 14 400 400 310
S9-M-50/10 50 170 870 2.0 4.0 1100 660 1030 14 400 450 395
S9-M-63/10 63 200 1040 1.9 4.0 1130 670 1100 14 400 450 450
S9-M-80/10 80 210 1250 1.8 4.0 1140 675 1110 14 400 450 490
S9-M-100/10 100 290 1500 1.6 4.0 1185 690 1130 14 400 450 560
S9-M-125/10 125 340 1800 1.5 4.0 1205 710 1180 19 550 550 670
S9-M-160/10 160 400 2200 1.4 4.0 1255 720 1200 19 550 550 780
S9-M-200/10 200 480 2600 1.3 4.0 1295 740 1215 19 550 550 875
S9-M-250/10 250 560 3050 1.2 4.0 1340 755 1260 19 550 650 1115
S9-M-315/10 315 670 3650 1.1 4.0 1400 770 1320 19 550 650 1280
S9-M-400/10 400 800 4300 1.0 4.0 1500 860 1400 19 660 750 1495
S9-M-500/10 500 960 5150 1.0 4.0 1575 895 1430 19 660 750 1740
S9-M-630/10 630 1200 6200 0.9 4.5 1660 930 1545 19 660 850 2110
S9-M-800/10 800 1400 7500 0.8 4.5 1830 1070 1590 19 820 850 2625
S9-M-1000/10 1000 1700 10300 0.7 4.5 1935 1175 1685 19 820 850 2860
S9-M-1250/10 1250 1950 12000 0.6 4.5 1960 1170 1730 19 820 850 3330
S9-M-1600/10 1600 2400 14500 0.6 4.5 2050 1220 1810 19 820 900 3765
S9-M-2000/10 2000 2520 17820 0.5 4.5 2030 1215 1940 19 820 900 4530
S9-2500/10 2500 2970 23000 0.5 5.5 2280 2070 2415 19 820 1070 7050

 
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