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IEC 60601-1 11.6.5中提到了判定标准: v# o2 a; L, e; i3 t7 \; k/ Z
After these PROCEDURES, the ME EQUIPMENT is to show no signs of bridging of insulation (or0 [, \) d( S3 K
electrical components) that could result in a HAZARDOUS SITUATION is likely to result in the loss
5 d6 \1 o( p* ?9 n8 P* O1 ` M. z0 sof BASIC SAFETY or ESSENTIAL PERFORMANCE in NORMAL CONDITION or in combination with a5 a% M5 w8 a; D) O, a
SINGLE FAULT CONDITION (based on a visual inspection) followed by the appropriate dielectric
+ i- N8 X6 s0 u+ n8 Kstrength and LEAKAGE CURRENT tests.$ L2 U. c: C. `# X# s
水进到带电部件可以,但是不能导致危害情形的产生,比如基本安全或关键性能的下降缺失。(比如桥接了电池正负极,可能导致短路)
: i0 M6 N% l: M) B+ ^( I5 x* o
视检: l3 X1 o9 A# n2 F; @
耐压! H5 |* D6 p" c$ i0 y
泄露电流
8 {) k! @4 C/ G( J* \. `测试后, check essential performence, 看看有无问题。
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以上都无问题即可。" o) m# t* y/ n/ W/ H+ t' _
另外多说一句:根据设备的IP分类进行的比如防水测试后,设备内部进水被认为是正常工作条件,所以评估设备IP测试后是否会导致危险情形的产生,需要在单故障下进行,比如断开地线。 |
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