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HIGH-FREQUENCY POWER TRANSFORM
消耗积分:2 |
格式:rar |
大小:551 |
2009-10-17
张艳
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Let’s now consider the merits of SMPS
individually. Lighter weight and smaller
size are due to operation at a significantly
higher frequency range and use of smaller
inductive elements. Rapid switching of the
power transistor between saturation and
cut-off regions of its operation results in
very little energy dissipation and hence
reduced heat-sink requirements. Costs are
reduced owing to the absence of large
bulky power transformers, a huge reduction
in volume and power dissipation,
smaller material requirements and smaller
semiconductor devices.
individually. Lighter weight and smaller
size are due to operation at a significantly
higher frequency range and use of smaller
inductive elements. Rapid switching of the
power transistor between saturation and
cut-off regions of its operation results in
very little energy dissipation and hence
reduced heat-sink requirements. Costs are
reduced owing to the absence of large
bulky power transformers, a huge reduction
in volume and power dissipation,
smaller material requirements and smaller
semiconductor devices.
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