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Introduction and Selection of Photovoltaic Cable

1. to the relevant standards and specifications related to cable selection 1,DL/T5044-2004 the People's Republic of China to the power industry standard when multi-core cable is selected, its allowable current carrying capacity can be calculated according to the numerical value of single-core cable with the same section. The control line and signal line drawn from the DC cabinet shall be copper core cable. The voltage drop shall not be greater than 5% of the nominal voltage of the DC system. The selection and laying of DC cables shall comply with the relevant provisions of the GB50217. 2. GB50217 Power Engineering Cable Design Code Two-core cables should be used for DC power supply circuits, and single-core cables can be used when needed. high temperature (above 100 ℃) or low temperature (-

2017-04-25

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Treatment method of cross-linked polyethylene power cable affected with moisture

In urban power grid reconstruction projects, cables, especially polyethylene insulated power cables, have been widely used. However, due to the particularity of the cable, the installation, operation and maintenance of the cable have special requirements. Cable moisture or water to reduce the cable insulation resistance, is caused by the operation of the cable line accident occurred in several important aspects. Causes and hazards of moisture and water ingress of cables (1) when the new whole cable is delivered from the factory, both ends are sealed with plastic sealing sleeves, but after a period of use according to the actual situation at the construction site, the rest is simply wrapped with plastic cloth to wrap the fracture, because it is usually placed in the open air and sealed

2017-04-25

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High temperature wire and cable exports need to pay attention to five aspects

At present, many domestic high-temperature wire and cable companies have entered the foreign market, but compared with foreign local products, the competitiveness of my country's high-temperature wire and cable products needs to be improved, especially some companies do not understand foreign industry standards and act rashly, resulting in the development of enterprises. In an embarrassing situation. As a well-known brand in the high-temperature wire and cable industry, Chuncao has achieved certain results in foreign markets. Here are five aspects that need to be paid attention to when exporting high-temperature wires and cables. 1. technical standards: foreign high-temperature wires and cables generally require advanced standards such as IEC or British standards and American standards, so it is not enough to be familiar with domestic standards.

2017-04-25

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The difference between environmental protection cable and low smoke halogen free cable

Low-smoke halogen-free cables are used in many places in key projects, such as fire fighting, monitoring and alarm. People usually call them environmental protection cables. In fact, environmental protection cables do not refer to low-smoke halogen-free cables. The following is a detailed analysis of the differences between environmental protection cables and low-smoke halogen-free cables: 1. Halogen-free: green environmental protection insulation layers, sheaths and special oxygen barrier materials are adopted, it not only has good electrical properties, physical and mechanical properties, but also ensures that the product does not contain halogen, solves the "secondary pollution" formed when it is burned, and avoids the "dioxin" substance that can cause cancer when the traditional PVC wire is burned.

2017-04-25

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Discuss the causes of common problems in high-voltage cables

The cable is the bridge between the power supply equipment and the electrical equipment, which plays the role of transmitting electric energy. Widely used, so failures often occur, the following brief analysis of the causes of common problems of YJV high-voltage cable, according to the causes of failure classification is roughly divided into the following categories: manufacturers manufacturing reasons, construction quality reasons, design unit design reasons, external damage four categories. The cable is the bridge between the power supply equipment and the electrical equipment, which plays the role of transmitting electric energy. It is widely used, so faults often occur. The following brief analysis of the causes of common problems of YJV high-voltage cables is carried out according to the causes of faults.

2017-04-25

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High temperature wire and cable exports need to pay attention to five aspects

At present, many domestic high-temperature wire and cable companies have entered the foreign market, but compared with foreign local products, the competitiveness of my country's high-temperature wire and cable products needs to be improved, especially some companies do not understand foreign industry standards and act rashly, resulting in the development of enterprises. In an embarrassing situation. As a well-known brand in the high-temperature wire and cable industry, Chuncao has achieved certain results in foreign markets. Here are five aspects that need to be paid attention to when exporting high-temperature wires and cables. 1. technical standards: foreign high-temperature wires and cables generally require IEC or British standards, American standards and other advanced standards, so only familiar with domestic standards are

2017-04-25

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Cable market to copper-based, short-term adjustment after the market bullish unchanged.

Copper core cable power cable market occupies a dominant position, why there is a final conclusion, but the industry has shaken in recent years? In fact, copper core cable has been occupying the main body of the market, this is mainly because: First, the use of imported copper resources to produce copper cables, safe and reliable, convenient construction, low maintenance costs, even if the price is relatively high, but more able to win the favor of the power sector. Second, from the perspective of safety and reliability, the key to the use of aluminum core cable is the joint technology and its reliability, China's power cable construction technology and maintenance management level can not ensure the safe and reliable operation of aluminum cable. Third, due to the city, especially large urban underground laying space

2017-04-01

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The Municipal Quality Inspection Bureau conducted a visit to Guda Cable

On June 19, 2014, the leaders of the Municipal Quality Supervision Bureau went to Guda Cable for guidance. During the symposium, the municipal quality supervision bureau leaders gave a high evaluation of the enterprise. He said that through visiting enterprises and listening to reports, he felt that Guda was really rooted in Xia Yun for development and was the key support object of the Quality Supervision Bureau. Now Gui 'an New District is accelerating its development. Guda's entry is the booster for the development of Xia Yun Industrial Park and even the whole Gui 'an New District. Now the environmental construction, facilities and spiritual outlook of the factory are beginning to take shape, and the future sales network and channels are also available. I believe that the future enterprises will make great progress. At the same time, leaders are also

2017-04-01

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Our company was rated as "AAA" credit enterprise in the credit rating of the Ministry of Commerce industry.

In order to establish and improve the credit system of small and medium-sized enterprises, improve the integrity awareness and risk prevention ability of small and medium-sized enterprises, and promote the healthy and rapid development of small and medium-sized enterprises, according to the notice on publishing the fourth batch of industry credit evaluation participation list jointly issued by the credit work office of the Ministry of Commerce and the industry association liaison office of the state owned assets supervision and Administration Commission of the State Council, The China Association of small and medium-sized enterprises has carried out the credit rating evaluation of small enterprises nationwide. The China Association of Small and Medium Enterprises strictly follows the spirit of the document "Notice on Strengthening the Pilot Management of Industry Credit Evaluation" (No. [2007]3) and "About Industry

2017-04-01

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Wei Lin, chairman of the CPPCC municipal committee, and his party visited our company for guidance.

On June 11, 2015, Wei Lin, chairman of the municipal Committee of the Chinese people's political consultative conference, and his party, accompanied by Tang youbo, deputy secretary of Pingba district party Committee and district mayor of the district people's government, visited our company. our company's Li zong introduced the company's basic situation, product types and sales situation to chairman Wei in detail. during the visit, chairman Wei praised our company's internal environment, facilities and production safety, and further understanding of output value, number of employees and development direction, at the end of the visit, Director Wei expressed the hope that the company can make more efforts on product quality, ensure high-quality products, base itself on the Guizhou market and move towards the domestic market.

2017-04-01

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WeChat Sweep to Learn More Guda Information

  • E-mail:guda@188.com

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    Consumer Hotline:400-8379-000

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    Address: 02-04, 02-06, Xiayun Industrial Park II, Liyang High-Tech Zone, Pingba District, Anshun City, Guizhou Province 

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