Changes in the wind: changes in the international standards of lamps (4)

2 IEC60598-1 6th Edition stipulates that in the following four cases, the rectification effect test can be exempted from (1) high-pressure sodium lamps with a rated power of not less than 1000W; (2) high-pressure sodium lamps designed to directly replace mercury lamps; (3) identified by IEC62035 High-pressure sodium lamps and metal halide lamps that are not prone to rectification at the end of their life: 1 High-pressure sodium lamps that are less prone to rectification effects are: a. High pressure sodium lamp with a nominal power of 1000W; b. a high pressure sodium lamp designed to replace a mercury lamp; c. Other high pressure sodium lamps declared by the light source manufacturer that are less prone to rectification effects. 2 Metal halide lamps susceptible to rectification effects are: a. The metal halide lamp that is susceptible to rectification at the end of the life of the light source identified by the IEC 61167 "metal halide lamp" source data sheet; in the data sheet "Information on ballast design" in the standard, it is indicated that at the end of the life of the light source Abnormal operating conditions occur which may cause the ballast to overheat. For such source conditions, appropriate protective lines should be used. The rated power, type and lamp head of the metal halide lamp covered by IEC61167 are shown in the left table. The metal halide lamp heads referred to in the table are shown in Fig. 7. The metal halide lamps involved in the IEC61167 standard are very limited in power rating, type and lamp head. They only include single-ended G12 35-150W metal halide lamps, double-ended RX7s and Fc2 70-250W metal halide lamps. . b. Other metal halide lamps that are prone to rectification effects as stated by the light source manufacturer. When using metal halide lamps not covered by the IEC61167 standard, it is possible to determine whether it is necessary according to the declaration of the light source manufacturer (what is a metal halide lamp susceptible to rectification and which is not a metal halide lamp susceptible to rectification). Perform a rectification effect test. (4) Other high-pressure sodium lamps and metal halide lamps that are identified by the light source manufacturer and have no rectification effect at the end of their life. 3 Conclusion The use of Class 0 lamps in China is relatively common. The international standard IEC60598-1:2003 has clearly eliminated Class 0 lamps, and the national standards equivalent to the international standards are also being formulated. Those who want to be in line with international standards can act. Get up and do all kinds of preparatory work, and strive to synchronize the quality of our lamps with the international community.


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