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标题: UL1647标准更新 [打印本页]
作者: TZX1976    时间: 2011-9-9 09:12
标题: UL1647标准更新
UL1647第五版和第四版只相隔了1年半的时间, 又要花钱升级了.
作者: Liu    时间: 2011-9-9 09:37
对了一下标准也没啥好升级的：   ?* h7 {! y2 {! G: c% T
This new fifth edition incorporates new and revised requirements as follows and reflects the April 21, 2011 ANSI approval date for UL 1647: 2 |& R4 W; ?; W9 G, ]. i
1. Addition And Revision Of Requirements To Relocate Component Standard References
7 Y# T( D, O+ T. r5 P% oFrom Appendix A Into The Body Of The Standard As Component Requirements - o; _/ y. u! U) h. W; {
2. Addition Of New Requirements To Address AFCI Nuisance Tripping Due To Excessive 0 H7 }" ~5 k( v# O) q, A* G
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Future Effective Date
9 p6 j3 G) Z6 H		References
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August 5, 2011
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Paragraphs 1.3, 1.5, 1.6, 4.25, Section 10, Paragraphs
13.1.1.10, 38.5, 39.7, Sections 40 and 41, Paragraph
49.2.5, Sections 54 – 57, Clauses 63.3, 64.1.1 – 64.1.4,
64.2.1, 64.2.2, 66.6.3, Sections 71, 72 77, Paragraphs 81.5,
81.6, 81.7, 83.6, and 84.4
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April 21, 2014 7 d( ]/ n0 O8 f
Section 77
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作者: TZX1976    时间: 2011-9-9 10:41
77.1 A treadmill shall comply with applicable requirements in CISPR 14-1,
: O: `8 w9 L" e# X; E* ?. `# ^Electromagnetic compatibility – Requirements for household6 P5 X, z2 f* k* B- \% v
appliances, electric tools and similar apparatus – Part 1: Emission.
. ?1 v! f2 D& v: m1 _, ~# OThe applicable requirements are considered to be the requirements for0 r5 r$ g0 q; q; Q5 [0 B. a- W# |
household appliances with disturbance
6 Q4 H0 M, U' R0 Jlimits of mains terminal voltages for the frequency range 148.5 kHz to6 U! X/ B0 t% e9 f7 ~
30 MHz.
6 ~9 ?; L& H" \77.2 During the testing specified in 77.1, the treadmill shall be operated at& x: B8 N; h- e1 G: A
no load and maximum normal load, and at low and high speed. If the2 d6 ?2 `3 {* _9 U3 J
treadmill is provided with a motor-operated incline system, the
4 `0 {" q- k$ F0 [treadmill belt is also to be raised and lowered during the testing.8 R9 k* q3 L; l% X/ [% r# U6 P+ P
77.3 Maximum normal load is considered to be the treadmill operating at
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treadmill belt. A suitable load application device (such as an electric
! `7 p# q* Q; p8 _1 Kmotor dynamometer) that provides a load to the motor and drive2 [/ B: W/ k' |. F( R- c/ x
system equivalent to the load of the treadmill operating with the$ v$ m+ e# v' z' Y; O4 v6 x
maximum weight user at maximum speed may be used for the test.
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好象是专门针对跑步机的, 增加了EMC测试, 以及对皮带的加载测试.



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