L 1310对变压器绝缘材料打耐压有没有层数方面的描述？clause 40中对绝缘层打耐压我该怎么操作呢？是按照1层打，还是按照总厚度大？$ f6 {$ @$ T4 s+ n2 \6 ]# z
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40 Tests on Insulating Materials7 Q5 G6 m: U. X, }
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40.1 If required by 13.2.1(b), 13.2.2(c), 13.2.5(c), 13.2.6(c), 13.2.10(b), insulating material shall be9 G5 i, a9 F# Q) |' a
subjected to the test described in 40.2.
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Exception: The insulating material need not be subjected to this test if it is generic material noted in 40.3
& j2 U" P5 N( S0 D. {) Hand Table 40.1.
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0 h0 m0 q& [+ ^& [9 q J% p, M40.2 The insulating material is to be placed between two opposing electrodes. The electrodes are to be
4 A+ E% L G( Fcylindrical brass or stainless steel rods 1/4 inch (6.4 mm) in diameter, with edges rounded to a 1/32-inch# K" s5 E: ]( V. M
(0.8 mm) radius. The upper moveable electrode is to weigh 50 ±2 grams to exert sufficient pressure on
9 Z, j! ?. Q) e1 z* V7 Mthe specimen to provide good electrical contact. The test potential is to be increased to the test value and
' }- E: o/ p+ nthe maximum test potential is to be maintained for 1 second. The result is acceptable if there is no; Y* b: ]$ r; T
dielectric breakdown.
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我看60950和62368的有详细的描述，还是直接引用这个打法呢？
- q$ u' f9 \& j$ \% Z. m60950-1 ©IEC:2005+A1:2009 +A2:2013 P9 b$ F" L7 f3 O1 c7 K
2.10.5.10 Thin sheetmaterial - alternative test procedure If layers can beseparated for individual testing, the following alternative to the standardtest procedure in2.10.5.9 is permitted. Electric strengthtests are applied in accordance with 5.2.2, using test voltages equal to the test voltagespecified in 5.2.2 for SUPPLEMENTARY INSULATION or REINFORCED INSULATION as appropriate. If two layers areused, each layer shall pass the test. If three or morelayers are used, each combination of two layers together shall pass the test. If three or morelayers are used, It is permitted to divide these layers into two or threegroups for testingpurposes. In the above electric strength tests, two or three groups are tested instead of two orthree layers. A test on a layer orgroup of layers is not repeated on an identical layer or group. ( K- ?' b* ]" D
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% L6 [3 N, K! }3 H U/ R62368-1 © IEC:2014
. ] A0 j3 x% r! c. x5.4.4 Solidinsulation
/ I8 S" O5 s4 u5.4.4.6 Thin sheetmaterial ' Z! X& E# K% o# v
5.4.4.6.4 Standardtest procedure for non-separable thin sheet material For non-separablelayers, electric strength tests are applied in accordance with 5.4.9.1 to all layers together. Thetest voltage is: − 200 % of Utestif two layers are used; or − 150 % of Utestif three or more layers are used, where Utest is thetest voltage specified in 5.4.9.1 for supplementary insulation or reinforcedinsulation as appropriate.
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