Power Transformer

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Supplier Info.

Company Name Dong Mi Electric Ind Co., Ltd.
Membership Free member
Registration Date1999.09.03
Country/RegionKorea
CityAnsan-si
Contact sangwook Han(Mr.)

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Description by Manufacturer

Power Transformer

Three phase 22900V-6600/3300V

Ratings

Frequency : 60Hz, 50Hz
High Voltage : 69KV and Below
Low Voltage : 6.6KV, 3.3KV
Capacity : 1,000 through 20,000KVA
Vector Symbol : Ddo, Dyn 11

Single phase 22900-6600/3300V

Ratings

Frequency : 60Hz, 50Hz
High Voltage : 69KV and Below
Low Voltage : 6.6KV, 3.3KV
Capacity : 1,000 through 20,000KVA

WINDINGS

The winding will be made of rectangular or round section electric copper covered with several layers of age-resisting insulation paper or enamel coating of high dielectric strength. Sufficient cooling channels between windings will be provided and all winding will be constructed firmly to be sustained from external and internal mechanical stress.

CORE

The core is made exclusively of cold-rolled grain-oriented sheet coated with magnesium-silicate-phosphate insulation on both sides. To full utilize the grain orientation of the laminations, the ends of the limbs and yokes are mitred and stacked together by overlapping the laminations in pairs, which will reduce the no-load losses and thus the power required for magnetizing the core. The core will be rigidly clamped with positive locking devices to ensure adequate mechanical strength to support the winding and also to prevent shifting of lamination during transport and further to reduce vibration to minimum during operation.

CASE

The transformer will be enclosed in a suitably stiffened welded steel tank such that the transformer can be lifted and transported without permanent deformation or oil leakage. Lifting lug will be provided, suitable for the weight of the transformer, including core and windings, fitting, and with the tank filled with oil. The base of tank will be so designed that it is possible to move the complete transformer unit in any direction without injury when using skid base.

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Company Profile

About Dong Mi Electric Ind Co., Ltd.

Membership Free member
Registration Date1999.09.03
Country/RegionKorea
CityAnsan-si
Contact sangwook Han(Mr.)

Over the past thirty years, we have devoted ourselves to transformers and have concentrated our efforts to improve technology and quality in order to provide our customers with better quality products. As a result, Dong Mi Transformers have won high recognition and reputation from the public regarding their superior quality and are in growing demand in both domestic and foreign markets.

However, we are not satisfied with this current state but regard it as a springboard to jump to the future challenge.

We will do our best to develop more advanced transformers in terms of technology, efficiency, economy and competitiveness to meet the standards of high technology in the era of internationalization.

The above are the goals that all of the DongMi family are concentrating their every effort on to achieve. Finally, we would like to express our heartfelt gratitude for your support and encouragement.

Selling Categories

- Electrical Equipment & Supplies >> Other Electrical Equipment

Keywords

power transformer , distribution transformer , cast resin transformer , transformer , mounted transformer

Registration Date	1999/09/03(Year/Month/Date)
Buyer / Seller in EC21	Seller
Business Type	Manufacturer
Year established	1966
Employees total	11 - 50
Annual revenue	USD 1,000,001 - 2,000,000

Contact Information Order Credit Report

Company	Dong Mi Electric Ind Co., Ltd.
Address	453 Mongnae-dongAnsan-siGyeonggi-do150-042Korea
Phone	82 - 31 - 4912581
Fax	82 - 2 - 26798975
Homepage	http://www.dongmi.co.kr
Contact	sangwook Han

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