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以下引自IEC 60065-2005 # U; \) i k" @6 W5 L, u ?
（不好意思，误导你了，非常抱歉 [s:5]）
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（异常测试时，变压器的温升可以超出限值，注意下面的红色字体和蓝色字体部分。）% P2 R ]* {4 \! f6 h) I: Q
5 y) E& u5 x; ?& T11.2.5 Windings5 ~1 j6 ?6 o, k. t1 B/ `# ~1 N
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The temperature rise of windings shall not exceed the values given in Table 3, items b) and d)
6 d$ M. e6 K% ?; z6 F"Fault conditions", with the following exceptions.& o0 ?" }5 A6 S. |5 ~
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– If the temperature is limited due to the operation of replaceable or resettable protective devices, the temperature rises may be exceeded until 2 min after the operation of the device.
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; V& r. Z) H9 _8 W3 gIn the case of windings providing protection against electric shock or where a fault could result in a fire hazard, the test is carried out three times and the winding is then subjected to the dielectric strength test of 10.3 without the humidity treatment of 10.2, starting within 1 min after the temperature rise measurement. No failure is allowed.; A$ z6 ^; n; @4 j1 J* }) B& R
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– If the temperature is limited due to the operation of an integral non-resettable or a nonreplaceable protective device or due to the open circuiting of a winding, the temperature rises may be exceeded, but the test shall be carried out three times using new components.
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- s1 N7 S- l4 b" ]In the case of windings providing protection against electric shock or where a fault could result in a fire hazard, the winding is then in each case subjected to the dielectric strength test of 10.3 without the humidity treatment of 10.2, starting within 1 min after the temperature rise measurement.: _- M5 w4 S. X, N3 P* h% b3 Y
No failure is allowed.
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' W5 `' E @; o6 r/ b! F– Higher temperature rises are allowed for windings, provided a failure of their insulation cannot cause an electric shock hazard or a fire hazard and that they are not connected to sources capable of supplying power in excess of 5 W under normal operating conditions.
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: g3 q, G+ w# x n X' k F– If a temperature rise value is exceeded and if there is doubt as to whether or not a hazard exists, the insulation concerned is short-circuited and the tests of 11.1 and 11.2.2 are repeated.
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d$ b! ]: h e; XNOTE: If the insulation is incorporated in a winding in such a way that its temperature rise cannot be measured directly, the temperature is assumed to be the same as that of the winding wire.
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