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CL11.3* C( U+ q M$ z. `
The temperature rise of electrical insulation, other than that of windings, is determined on the2 ~2 b! E( b+ P0 R) L
surface of the insulation at places where failure could cause5 t5 K- D$ i R: b
– a short circuit;" M! F L4 \% x, v( `0 W- d5 E6 k) c( H
– contact between live parts and accessible metal parts;
' r5 s# V4 C" P6 B/ k% w– bridging of insulation;4 B: P% T, `) w8 T9 `0 D( ^
– a reduction of clearances or creepage distances below the values specified in clause 29. |
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