New Standard for Electric Vehicle Charging Cables to Prevent Fire and Electric Shock Risks Released

On July 22, a fire accident occurred on a hybrid bus in Xiamen, resulting in the burning of 11 buses and the death of one person. According to the police investigation, the cause was spontaneous combustion caused by an electrical failure of the battery pack at the rear of a bus, and the fire spread rapidly, causing the same row of parking. Other buses burned. In addition, the recent Wuzhoulong electric bus fire in Shenzhen and the Nanjing electric bus fire have aroused public concern about the safety of new energy vehicles. How to avoid similar accidents? In addition to electric vehicle enterprises to strengthen product quality assurance, this new field of technical standards must also be established, the National Wire and Cable Quality Supervision and Inspection Center (hereinafter referred to as TICW) director Wu Changshun said, traditional cars have a safety level of cable standards, but into the era of electric vehicles, these standards do not fully guarantee the safety of electric vehicles. Because the power system of electric vehicles has changed, the voltage and current transmitted by related wires and cables are not in the same order of magnitude as traditional vehicles. If the wire and cable standards of traditional vehicles are still used, the probability of fire and electric shock accidents will be greatly increased. Therefore, TICW recently joined hands with China Quality Certification Center (CQC) and Germany Dekai Quality Certification Co., Ltd. (DEKRA) to jointly release the "Electric Vehicle Charging Equipment Cable Standard K175/CQC1103-1105". In the future, new standards for electric vehicle wires and cables will be formulated and issued one after another to promote the safety and convenience of electric vehicle wires and cables. In the future, if there is an electric vehicle charging pile safety liability accident, it can also be tested, identified and held accountable according to the standards. Xie Zhiguo, deputy minister of the fourth product certification department of the China Quality Certification Center (CQC), told the First Electric Network that the interface standard for charging piles for electric vehicles has been released in 2011 versions. Recently, the revised version of the new national standard has been completed and the 2015 or 2016 version will be released soon. The release of this national standard is mainly to solve the compatibility and safety problems of future electric vehicles and charging piles. However, there are wires and cables at both ends of the charging interface. The revision process of the new national standard of the charging interface also consulted the relevant standards of wires and cables, because the real possibility of causing fire and electric shock risks of electric vehicles is not only on the interface, but also on cables, especially DC high voltage fast charging, the charging current is much higher than the current transmitted by ordinary electrical wires and cables, so if the cables do not meet the standards, it is easy to cause a fire accident. Therefore, the first introduction of the electric vehicle charging cable standard will be the first from the safety and testing standards of the charging pile cable into a standard system, not only to allow manufacturing enterprises to have a unified standard as a reference, but also for quality and safety escort. At present, most of the electric vehicle charging pile cables on the market are orange, so will orange become the unified standard in the future? Ms. Liu Weihai, Director of Electric Vehicle Parts and Special Cables Greater China of Dekai Quality Certification (Shanghai) Co., Ltd., said that the original wire and cable standard for the color of the body charging cable is orange, but there is no clear requirement for the color of the charging pile cable, but we habitually follow the orange design. In fact, there are black dark blue and other charging pile cables on the market, but the number is relatively small. It is estimated that cables of various colors may appear after a large number of charging piles appear in the future.

New Standard for Electric Vehicle Charging Cables to Prevent Fire and Electric Shock Risks Released

Post creation time: July 25, 2015, 16:23Comments:0Browse: 13

Management

How to avoid similar accidents? In addition to electric vehicle enterprises to strengthen product quality assurance, this new field of technical standards must also be established, the National Wire and Cable Quality Supervision and Inspection Center (hereinafter referred to as TICW) director Wu Changshun said, traditional cars have a safety level of cable standards, but into the era of electric vehicles, these standards do not fully guarantee the safety of electric vehicles. Because the power system of electric vehicles has changed, the voltage and current transmitted by related wires and cables are not in the same order of magnitude as traditional vehicles. If the wire and cable standards of traditional vehicles are still used, the probability of fire and electric shock accidents will be greatly increased. Therefore, TICW recently joined hands with China Quality Certification Center (CQC) and Germany Dekai Quality Certification Co., Ltd. (DEKRA) to jointly release the "Electric Vehicle Charging Equipment Cable Standard K175/CQC1103-1105". In the future, new standards for electric vehicle wires and cables will be formulated and issued one after another to promote the safety and convenience of electric vehicle wires and cables. In the future, if there is an electric vehicle charging pile safety liability accident, it can also be tested, identified and held accountable according to the standards.

Xie Zhiguo, deputy minister of the fourth product certification department of the China Quality Certification Center (CQC), told the First Electric Network that the interface standard for charging piles for electric vehicles has been released in 2011 versions. Recently, the revised version of the new national standard has been completed and the 2015 or 2016 version will be released soon. The release of this national standard is mainly to solve the compatibility and safety problems of future electric vehicles and charging piles. However, there are wires and cables at both ends of the charging interface. The revision process of the new national standard of the charging interface also consulted the relevant standards of wires and cables, because the real possibility of causing fire and electric shock risks of electric vehicles is not only on the interface, but also on cables, especially DC high voltage fast charging, the charging current is much higher than the current transmitted by ordinary electrical wires and cables, so if the cables do not meet the standards, it is easy to cause a fire accident. Therefore, the first introduction of the electric vehicle charging cable standard will be the first from the safety and testing standards of the charging pile cable into a standard system, not only to allow manufacturing enterprises to have a unified standard as a reference, but also for quality and safety escort.

At present, most of the electric vehicle charging pile cables on the market are orange, so will orange become the unified standard in the future? Ms. Liu Weihai, Director of Electric Vehicle Parts and Special Cables Greater China of Dekai Quality Certification (Shanghai) Co., Ltd., said that the original wire and cable standard for the color of the body charging cable is orange, but there is no clear requirement for the color of the charging pile cable, but we habitually follow the orange design. In fact, there are black dark blue and other charging pile cables on the market, but the number is relatively small. It is estimated that cables of various colors may appear after a large number of charging piles appear in the future.

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