Analysis of China s power transformer industry s future quality of development

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114 Transformer - Analysis of the power transformer industry, the future quality development perspective
    114 transformer network share, said: Recently, the world\\ s leading power and automation technology group ABB announced that with the cooperation of China Southern Power Grid Co., Ltd., its responsible for the construction of Nuozadu - Guangdong UHV DC power transmission project a converter station design, manufacture, installation and debugging of 800 kV HVDC transformer equipment. Internationally renowned as one among the world\\ s top 500 power transformer enterprises, which is not ABB in China first hand the power transformer market. ABB even said, only to have the most complete product line in China, other countries did not achieve market coverage from the field of products and components to the service.
    Such international giants involved in a strong competition in domestic markets behind, on the one hand see is the huge market potential of Chi na\\ s electric power equipment; the other hand, also reflects the considerable progress of the Chinese enterprises, especially in terms of quality, domestic power transformer has been increasingly The closer to international standards, international giants had come up with housekeeping skills to compete in the Chinese market.
Level of quality foreign products is quite
    Power transformer, a static electrical device is used to a certain value of the AC voltage (current) into the same frequency as another, or several different values ​​of voltage (current) equipment. The AQSIQ announced the third quarter of last year, supervision and examination results show that the country\\ s 12 provinces, municipalities, 29 production of 29 kinds of power transformer products and found that there are six kinds of products do not meet the requirements of relevant standards, the passing rate of 80 %. \"This result basically reflects the quality standards of the domestic power transformer industry. Should be said that after so many years of development, the overall level of domestic transformer industry has basically reached the international first-class level, almost the same level of quality foreign products.\" China Electrical Equipment Industrial Association transformer branch official said.
It is understood that the occupation of the technical high ground transformer industry mainly to see the two figures, the product of capacity and voltage rating. As early as in the \"Eleventh Five\" initially, China had a big country of the world\\ s production and application of power transformers, but not power. At that time, only a few companies capable of producing 500 kV EHV transformers EHV transformer market share of the basic foreign giant monopoly. As China\\ s first UHV pilot demonstration project launched in the domestic transformer enterprise ushered in the opportunity for development, the product of voltage levels and capacity in one fell swoop the largest in the world, occupied the commanding heights of the development of the industry\\ s technology, at the same time, promoting a low-voltage class transformers The technology continues to mature and improve.
\"At present, China can already create a global leader in power transformers as part of the power transformer industry in China, ABB\\ s transformer production in China has been exported to Europe, Oceania, Africa, Asia and other countries, which fully embodies the Chinese manufacturing has been the world widely recognized Hefei ABB Transformer Co., Ltd. Distribution Engineering Manager Jiangshu Wei told reporters, ABB in the global implementation of an integrated technology platform, production technology and standards. As part of the power transformer industry in China, whether for power distribution trans formers, ABB have been included in more than 10 years ago the most advanced technology design platform for the introduction of China.
    China Electrical Equipment Industrial Association transformer branch official said, our future transformer direction of development toward the energy-saving, low noise, fire and explosion type, the development of high reliability, the main direction of development, there are two: First, high pressure, ultra high pressure direction, especially 750 kV, 1100 kV. Second, to the development of energy-saving, miniaturization direction, the former is mainly used in long-distance power transmission lines, which is mainly used in urban power transmission lines.
The details of the office is still a certain gap
    According to reports, the development of the transformer manufacturing process combined with the new product, the characteristics of the new structure is developed corresponding to the proce ss and focus on new materials, the development and application of new equipment in order to continuously improve product quality and reliability, but research and development of these new processes require large amounts of capital investment and production costs rise.
    As a major component of the grid, the power transformer is a material heavy and light industry, material costs accounted for more than 60% of the entire cost of the product price. As the main raw material of the transformer, the output of the domestic silicon steel is very limited, and in quite a long time been dependent on imports. Transformer enterprises suffered enough in the insufficient supply of the silicon steel, the silicon steel prices soaring even survival has become a problem resulting in many companies. In addition, fluctuations in copper prices is the transformer industry is facing severe problems. Price does not match the transformer production cycle is long, the copper in the production process, frequent changes in prices are often set in the signing of the contract with the actual production. This is a raw material a larger proportion of the industry, is indeed a challenge.
It is understood that the problem of shortage of raw materials and components of restricting the development of the transformer has been basically solved, provided the conditions for the transformer industry to develop better. But the details are still a certain gap. Of some distribution transformer manufacturing equipment constraints factor transformer manufacturing key equipment, automation and process guarantee is low. Although most of the production equipment can achieve localization, but the relationship to the body of / coil mechanical strength The lack of the constant tension of domestic routing equipment. In addition, some manufacturers of distribution transformers in the efficiency, reliability and stability, there is further room for improvement. lack of wi ll power grid reliability impact on local economic development , and even the daily lives of the residents are very negative impact, while the power grid maintenance time and costs have risen sharply. \"Jiangshu Wei pointed out.
To prevent the industry overcapacity
    With the rapid development of China\\ s national economy, the demand for electricity tends to go up - the transformer has also been considerable development as the main equipment in the power transmission system, transformer manufacturers and transformer trade businesses have mushroomed. The transformer industry capacity serious excess, I appeal to do not add the transformer manufacturers. \"Relevant person in charge of transformer branch of China Electrical Equipment Industrial Association, solemnly cautioned,\" At present, China only Tebian electrician, Paul changed the West changed these three business capacity of l ocal brands and more than 500 million kVA, coupled with 500 kV, 220 kV, 110 kV transformer manufacturing strength, as well as 110 kV or less the product manufacturer\\ s production capacity, China\\ s transformer industry production capacity at around 3 billion kVA, while the market demand does not currently over 1.3 billion kVA. \"
    Production capacity more than doubled the consequences of exceeding the market demand leading to disorderly market competition intensified. On the one hand, making profits of an enterprise all the way down - the seventies and eighties of the last century, the transformer industry average profit margin of about 20%, two or three years ago, about 8 percent last year, the average profit margin of less than 500 kV only in 2% to 3%, many companies into the negative interest rate era; the other hand, planted a hidden danger is the stability of product quality, due to China transformer oversupply, price competition is fierce , the user preferred in the tender activities price factors, so the manufacturer is difficult for a lot of input, so that the production process development, product quality do not increase the quality do not increase, the prices are not high, there is no profit so a vicious cycle. Analysis in accordance with the present situation, experts predict this year\\ s transformer industry may shuffle. In the next few years, failed or can not get the orders of enterprises will constantly improve due to market requirements were eliminated.