PV Cable Market and Its Development Status Analysis

During the period of the Twelfth Five-Year Plan period, China's new energy power generation industry will be greatly developed, especially the rapid growth of photovoltaic power generation industry, will inevitably inject new vitality into China's wire and cable industry. In recent years, the prices of photovoltaic power plant systems have decreased, but the decline has not been as expected. The construction of a cost-effective, profitable photovoltaic power plant represents the most important goals and core competencies of all solar manufacturers. In fact, profitability depends not only on the efficiency or high performance of solar modules, but also on a set of components that seemingly have no direct relationship with the components. The high quality of the selected components can prevent solar systems from being profitable due to high maintenance and maintenance costs.

Photovoltaic cables are also key components

People usually do not regard the wiring system that connects the PV module and the inverter as a key component, but if the dedicated cable for the solar energy application fails to be used, the service life of the entire system will be affected. Solar systems are often used under harsh environmental conditions such as high temperature and ultraviolet radiation. In Europe, sunny days will lead to a solar system with an on-site temperature of up to 100°C. Currently, we can use various materials such as PVC, rubber, TPE and high-quality cross-linked materials, but unfortunately, the rated temperature is 90°C. Rubber cables, as well as PVC cables rated at 70°C, are often used outdoors. Obviously, this will greatly affect the service life of the system.

For photovoltaic applications, outdoor use materials should be based on UV, ozone, severe temperature changes, and chemical attack. The use of low-grade materials under such environmental stresses will result in fragile cable jackets and even disintegrate the cable insulation. All of these conditions will directly increase the loss of cable system, and the risk of short-circuit of the cable will also increase. In the medium and long term, the possibility of fire or personal injury is also higher.

During installation and maintenance, the cables can be routed on the sharp edges of the roof structure while the cables are subjected to pressure, bending, tension, cross tensile loads and strong impact. If the strength of the cable jacket is not sufficient, the cable insulation will be severely damaged, which will affect the service life of the entire cable or cause short circuit, fire and danger of personal injury.

Miscellaneous development status

The "12th Five-Year Plan" period is the phase of China's wire and cable industry. The reason is the rapid development of the national GDP, especially with the construction of large hydropower stations and the outbreak of the photovoltaic industry, which will bring opportunities for the development of the cable industry. That is, during this period, large and small enterprises have emerged like mushrooms, which not only brings vitality to China's wire and cable industry, but also brings some negative effects or even harms to the industry.

In 2012, due to the slowdown in GDP growth, and China's industrial growth rate is likely to continue to maintain a moderate correction. In addition, as profits become thinner and thinner, many companies are not hesitating to produce substandard or counterfeit products in order to earn profits. Some enterprises are forced by the market pressure to choose the lowest bid. This many factors have brought a big bottleneck to the development of China's wire and cable industry. Therefore, it is imperative to increase the quality of wire and cable products.

Photovoltaic power plants contracted and constructed by photovoltaic companies in China will face the purchase of photovoltaics for special cables. The quality of wires and cables is also directly related to the quality and safety of my outsourcing projects. The quality issue directly restricts the competitiveness and development of the entire photovoltaic industry chain. The current situation shows that there is a certain gap between the current level of China's wire and cable product quality and industrial development, and the expectations of the vast majority of users. It is not difficult to see that quality is the core competitiveness of the wire and cable industry; similarly, quality issues are also related to wire and cable The fundamental issue of industrial development. The growth rate of GDP still continues to slow down. Problems such as low-price competition, lack of integrity, and lack of research and development still exist. How China's wire and cable companies ensure their own interests while making efforts to standardize the market and improve the quality of wire and cable products. It is still a subject worthy of study by the whole society. It is believed that only through a multi-pronged approach, governments, inspection agencies, companies, and consumers can jointly bring together changes and dynamism for the wire and cable industry.

Industry standards provide guidance

China National Electrical Equipment Industry Association's "Cable Power System Cable" series of standards was drafted by Jiangsu Chenhao Photovoltaic Technology Co., Ltd., Beijing Jian Heng Certification Center, and other units, and is under the jurisdiction of the China Wire and Cable Standardization Committee, April 18, 2012 Published, standard number CEEIAB218. To solve China's photovoltaic cable does not correspond to the industry standards or national standards, resulting in the design, procurement, use, acceptance and no standards can be based, cable life and component life can not be consistent, leading to After the laying of the system, the operation and maintenance costs increase, and the power generation efficiency declines.

The standard specifies the classification of cables for photovoltaic power generation systems. Specifies the use characteristics, models, specifications, and technical requirements of AC/DC power cables, control cables, computers, and instrumentation cables for photovoltaic power generation systems that are suitable for UV protection, ozone resistance, acid and alkali resistance, salt spray resistance, and weather resistance. And inspection requirements. The standard stipulates that the cable for photovoltaic power generation system matches the expected 25-year service life of the photovoltaic module. It satisfies the selection of different types of photovoltaic power stations under different climate conditions such as alpine, desert, Bohai, tidal flat, grassland and roof.

The issuance of the "Cable Power System Cable Standard" plays a guiding role in the selection, procurement, use, and acceptance of photovoltaic power generation system cables. The possibility of optimizing the design of photovoltaic power generation system can reduce the construction cost and save the maintenance cost.

Entering overseas through certification

Recently, the photovoltaic cable produced by Tianjin Jinshan Wire and Cable Co., Ltd. has successfully passed the German Rheinland certification. The photovoltaic cable is mainly used in solar power plants and photovoltaic systems. In 2012, it obtained national patent authorization. The report said that the successful adoption of the German Rheinland certification will open the way for Jinshan Cable's PV cable products to enter the European market.

Independent third-party testing and certification bodies will conduct rigorous testing of the submitted products in accordance with national and international standards. Only product that passes the test and certification can obtain the product use certification mark. It can be said that the certification mark is the "identity card" of high-quality products and is a symbol and guarantee of quality. Whether it is domestic or overseas consumers, choosing products with certification marks is the most effective and easiest method of identifying quality products when purchasing products. In overseas markets, products with no "ID card" certification mark will not have access to the market.

Different from the Chinese market, the global cable market has matured and the growth rate of the world cable manufacturing industry has slowed down. In recent years, due to the rapid economic growth of emerging Asian countries, the global cable production center has shifted to Asia, driving the rapid development of the cable industry in China, India, Vietnam, the Philippines, and Egypt in the Middle East. At the same time, the Central and Eastern European regions have become European countries. Uniform, relatively low manufacturing costs, wire and cable industry is also growing rapidly. The overall global competition is very fierce.

For domestic cable manufacturers, the vicious competition in the market, the lack of corporate funds, weak independent innovation capabilities, and lack of brand advantages have become major bottlenecks restricting their development. In order to further enhance the brand advantage and promote product exports, product certification has been included in the work schedule of more and more cable manufacturers.

For cable manufacturers, responding to product standards in different markets is an unavoidable challenge in their business development. Only by clearly understanding the standards and requirements of each market can we develop and produce products in a targeted manner. However, most manufacturers are still unable to be aware of every target market. At this time, they can consider choosing a qualified testing and certification organization to cooperate. These certification bodies can not only provide different requirements and consumer preference information for each target market, but also provide localized testing and certification services for manufacturers. They are the best partners to rapidly expand the market.

When selecting a testing and certification organization, in addition to examining its test and certification qualifications, cable manufacturers should also examine whether the organization is familiar with the target market and whether they can provide localized services, based on their own needs, so as to effectively help their products to enter the overseas market. .

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