This 350 W BLCD driver is packaged on a 4"x 2" circuit card, and the fanless design can support 200% peak loads for 5 seconds (Figure 6). All the models in the VFD Series include only the power drive section and require an external control card. MEAN WELL also offers an optional control card.
Conclusion Various adjustable speed
drive designs are available for industrial applications, including machine controls and AMRs. They can support both AC and DC motors and have varying levels of compliance with sections of IEC 61800. In addition, since the performance of individual VFDs is not a focus of IEC 61800-9, there are several different approaches to reporting performance relative to those efficiency standards. Some VFD makers focus on sections 1 and 2 and report VFD efficiency levels like IE2. In contrast, others focus on section 3, which is related to overall ecodesign considerations, including product category regulations and related environmental declarations.
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