Hermetical Transformers

From 25KVA to 5000KVA power and from 6,3 KV to 36 KV voltage features, Trans-el produces Oil type, hermetic transformers or transformers with an oil expansion tank, Indoor and outdoor power and distribution Transformers

ISI marked, High Quality, Energy Efficient and Reliable Distribution Transformers upto 33 kV class; ranging from 10 kVA to 5000 kVA.

SG (B) 10 series Non-encapsulated H-class Dry-type Power Transformers,Dry type Power Transformers,hermetically sealed transformers,dry type transformer
Dry Type Transformer
Product Description
SG (B) 10 series of non-encapsulated H-class dry-type power transformers adopt the special process technology of German (MORA) dry-type transformers to ensure that the products fully meet the requirements such as fire prevention, waterproof ,environmental protection. It is the ideal product for distribution systems and widely used in the subway, shipbuilding, mining, chemical, power companies and personnel-intensive buildings as well as other special requirements of the occasion for safety.

S(B)H15-M Series Sealed Amorphous Alloy Power Transformer,oil immersed transformer,oil immersed power transformer,oil distribution power transformer
Oil Immersed Transformer
The transformer is completely hermetical oil-immersed type. The principle is the same as the hermetical power transformer. The basic elements of the amorphous alloy is Iron, nickel, cobalt, boron and carbon etc.
Product Description
The transformer is completely hermetical oil-immersed type. The principle is the same as the hermetical power transformer. The basic elements of the amorphous alloy is Iron, nickel, cobalt, boron and carbon etc. It is a kind of isotropic soft magnetic material with low magnetizing power. With 0.027mm thickness and the filling coefficient is reduced to 0.75-0.8, the amorphous alloy material is very sensitive for stress. The electrical resistivity of the material is 3-6 times of silicon steel sheet and the hardness is 5 times of it.
Load loss of S(B)H15-M 30ï½?1600/6ï½?10 series transformer can be reduced by 15% on the basis of GB/T6451 standard. The no-load loss can be reduced by 70% on the base of GB/T6451 standard. Amorphous alloy transformer meets the standard JB/T10318-2002 Technical parameter of oil immersed type amorphous alloy transformer.

Model and Meaning

Technical Parameter of S(B)H15-M Series Hermetical Amorphous Alloy Power Transformer
Rated capacityï¼?kVAï¼? Voltage and tapping range Connection Group Symbol No-load Lossï¼?Wï¼? Load Loss ï¼?Wï¼?75 No-load current (%) Short-circuit impedanceï¼?%ï¼?
High Voltage (KV) Tapping ranges of High Voltage Low Voltage (KV)
30 66.31010.511 ±5% ±2Ã?2.5% 0.4 Dyn11( or ) Yyn0 130 630/600 2.3 4.0
50 170 910/870 2.0
63 200 1090/1040 1.9
80 250 1310/1250 1.9
100 290 1580/1500 1.8
125 340 1890/1800 1.7
160 400 2310/2200 1.6
200 480 2730/2600 1.5
250 560 3200/3050 1.4
315 670 3830/3560 1.4
400 800 4520/4300 1.3
500 960 5410/5150 1.2
630 1200 6200 1.1 4.5
800 1400 7500 1.0
1000 1700 10300 1.0
1250 1950 12000 0.9
1600 2400 14500 0.8
2000 750 17400 0.20 5

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250 kVA OIL TYPE DISTRIBUTION TRANSFORMER
Measuring winding resistances

Measurinq rotation ratios

Inspecting polarity or connection group

Measuring short circuit and load losses

Measuring idle losses and current

Induced voltage test

Applied voltage test

Measuring insulation resistances

Transformers, for which mounting, drying

and oil filling works are completed, are

subjected to below mentioned routine and

typical tests as specified by TS 267 standard.

Oil breakdown stress control

Loss gap (tq) measurement (DOUBLE test)

Measuring painting thickness

Temperature increase (heating test)

Measuring of audible noise level

Boiler lifetime test (For Hermetic Transformers)

Mechanical strength test against short circuits

This test is conducted in CESI/ITALIA,

IPH/GERMANY test laboratories.)

Except for the mechanical strength test against

short circuits, all typical tests are conducted

in the laboratories of our company,