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Disadvantages Tiny Cooling Fan distributed power systems

Time:2014-12-17 Click:517Times

Although "Tiny Cooling Fan" distributed power systems have many advantages above, still has its shortcomings:
(1) Department of "Tiny Cooling Fan" system design of distributed systems require more complicated multi-stage conversion, voltage, current matching between the front and rear grade level, between the transform module level would have to be carefully balanced with the current accounting. With the increase in system conversion stage, the power supply system management tasks increases. For example, the power sequence management, fault detection.
(2) "Tiny Cooling Fan" high material cost because each conversion stage is the material cost of a complete conversion module, a power supply system inevitably higher. But the overall cost of the entire system, the distributed power perhaps more than centralized power much cheaper. For example, look at the maintenance costs, centralized power is higher than the distributed power. Because the centralized power fails, the entire power supply must be replaced, and distributed power as long as the replacement of the module; when centralized power fails, the entire system to stop!

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