First, ordinary industrial and mining lamps are mixed light lamps or metal halide bulbs. In addition to emitting light, they have a large amount of heat, so their electrical optical conversion efficiency is low. Lamps also need to design ventilation holes to dissipate heat, while LED lamps have a low amount of heat, so they can obtain greater illumination when consuming the same electric power;
Second, ordinary industrial and mining lamps are equipped with inductive ballasts, which not only have a large weight, but also reduce the power factor of the lamps; LED lamps are driven by capacitor voltage reduction or constant current source, with high power factor.
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