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Tranformer
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Our co***ny provides 500 KV, 330 KV, 220 KV, 110 KV and below them all kinds of single-phase / three-phase transformer for domestic and international market, and keeps the record of zero accident. The products have been extensively applied in the field of large-scale fire power / hydroelectric station, 500 KV and below 500 KV transformer substations, distribution substation. The co***ny is devoted to the multiplex development of new products, high voltage, large capacity, low losing, low noise to meet the all kinds of requirements of the electricity construction and different customs.
1 sufficient margin of main insulation and longitudinal insulation:
Electric field stresses of various parts are analyzed by computer programs to make sure they are smaller than allowable. The capacitances of various parts of winsings are adjusted to get optimum matching and ideal electric potential distribution and impulse gradient distribution are obtained.
2 Low loss, high efficiency and no local overheating:
Based on the calculation result of leakage flux, transpositions of winding conductors are decided and the magnetic shielding structures of steel structure are laid down. Non-magnetic steel parts are used in the surfaces of cores where flux density is high and separating grooves on it are set of effectively reduce additional; losses.
3 Reasonable oil circuit structure, no oil-flow with electrification:
Quantitative calculation and optimized adjustment on the oil-flow distribution are done. Oil flow velocity is kept under 50 cm/s. The high speed flow area is departed from high electric stress area.
4 Partial discharges:
The electric stress in the transformer is strictly controlled, and the shape of electrodes is rounded to prevent the excessive high stress leading to partial discharge. Manufacture technology is enhanced and the cleanliness of transformer active part is ensured. Oil filling is performed under high vacuum. Oil-flow velocity controlled, oil quality is strictly managed.
5 Tank structure and nice shap |
| Company: |
HE BEI RONGYI COMMUNICATION CO***NY LTD
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| Contact: |
Ms. Hongyan Li |
| Address: |
No.31 Chuanye East Road, Baoding Hi-tech Industry Develop Zone |
| Postcode: |
071051 |
| Tel: |
+86-312-3337760 |
| Fax: |
+86-312-3337761 |
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