2016年10月30日星期日

With the rapid development of China's national economy, the demand for electricity has become increasingly long, as the main equipment in the power transmission system - the transformer has also been considerable development. In order to meet and meet the market demand, many manufacturers to continuously improve the product structure, improve product performance from abroad to introduce advanced production technology and equipment, new technology in the exploration of new materials to make unremitting efforts.
The development of 13.8kv single phase transformer manufacturing process mainly combines the characteristics of new products and new structure to develop a corresponding process, and focus on new materials and new equipment development and application to continuously improve product quality and reliability, but the research and development of these new processes Need a lot of bonuses and production costs increase, and the current transformer oversupply, price competition is extremely fierce, the user in the bidding activities in the preferred conditions is the price factor, it is difficult for manufacturers to invest a lot, so the production process to Can not be developed, the quality of products do not increase, the quality does not increase, the price will not be high, there is no profit resulting in a vicious circle.
China's future development direction of the 11kv single phase transformer is still energy-saving, low noise and fire and explosion-proof, high reliability development, so some of the above talk about the process should continue to promote universal use. Another choice of high-quality low-loss magnetic materials, large-scale products can be used laser irradiation or slotted silicon steel sheet, with the axial amplitude of the compaction device winding machine, vapor drying equipment, step-type cross-cutting line and other advanced production equipment Popular use. Insulation material processing as much as possible by a unified professional manufacturers to gradually increase the emerging solid insulation materials such as injection molded parts, foreign insulation parts processing with laser cutting, China may also develop a light processing insulation pieces. In addition, the pressure on the quality should be a great effort to be studied, such as fuel tank surface treatment, the type of paint so that the tank as beautiful as possible from: industrial variable electrical appliances.

2016年10月27日星期四

Precautions on Stripping of Power Transformer Coil

1, the 100kva distribution transformer coil stripping prohibit blowing with a fan blowing body, to prevent the impact of frigidity quenching.
2, demolition of power transformer mold can not use dirty gloves to help form removal. Because the coil temperature is higher than 100 ℃, the winding has not been completely cured successfully, dirty contact coil easily left spots, affecting the appearance of the coil and found the end of the transformer coil has a long strip of non-curing phenomenon, do not touch, do not clear .
3, the panel fastening screw due to pouring material into the hard and difficult to remove after the invasion, not hard to remove, to prevent the screw fracture.
4, be sure to clean up all the material inside the copper mouth, to avoid affecting the transformer test, misdiagnosed as coil turns deviation, DC resistance unbalanced or broken head failure.
5, remove the single phase step voltage regulators die when not pull hard pull, at the same time to check the coil surface is defective. There are parts of the defect immediately check the corresponding parts of the outer mold and be dealt with to avoid the next re-emergence of a similar situation.