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引用第0楼sam_qi于2010-09-28 11:56发表的 向ul1310标准高手请教 :. k9 R4 W2 g' L: v: j# [: l0 @! W
标准提到有bobbin-wound transformer 这种变压器要做15天的测试。9 o, O* Q" q$ z1 n" d2 c0 B# X4 N
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13.2.4 A flanged, bobbin-wound transformer shall be subjected to the output loading test described in
y4 m9 i3 U0 F: M/ D: k39.2. The test shall be continued for 15 days if the transformer has4 d6 N. |7 g* i; b; f' i# t
8 v5 S3 h4 K2 O7 f.......
. c" Q; k/ ?* T$ m" Q' _2 oA Bobbin Wound Transformer is a transformer that is designed with the coil wound on a coil form or bobbin. The core structure is then mounted to the bobbin. Bobbin wound transformers can be designed to operate from 60Hz, or line frequency, well into the MHz range.: c) e! c8 I. h% |0 O. c
' \8 B) z2 U. L* K* IWhere are Bobbin Wound Transformers found?
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, v d) l! q; r$ [# qSwitch mode power supplies ! ]1 v. a* D6 Y4 A0 g+ x
Power conversion applications 3 r9 v/ u9 w. I- z
Circuit isolation applications * r7 n( ^7 U7 W9 }" r( S( ~
Filter circuits ! T: L& I$ L( C" ?, Q
Any application that the transformer can be designed on a bobbin or coil form ) o6 _6 A+ X* `2 ^4 Y
Design upper limits of a Power Transformer: |
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发表于 2010-9-28 11:56
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