|
|
|  DSH 217
8 A+ O, ^: e- ]+ @6 I( f9 f$ c; |$ Q, s- b9 @
| heating
5 I: B1 |6 e# Y3 r; _& h9 b | 11.8
1 J/ e) y C& J' u! Z | 60335-1(ed.3)
" y, `& O6 ]7 F0 | |
0 P0 ~9 g" K) X- W& D/ s
Standard:
1 ~2 L3 j% x5 @; OIEC 60335-1: 3rd ed. 1991! r) V# H& S% a# \6 {
Sub clause: 11.8
8 L4 g+ |) ` b$ b- N2 {Sheet n°: 217
3 y- @4 A6 Q& `$ d$ u4 m- v! LSubject: heating Key words:$ n/ H/ T7 r0 C
- ambient temperature more than 25 °C
0 C( z$ V' b; y0 O0 i7 _- winding temperature/ W5 g: b$ \9 T$ M2 j1 c b
Decision of: 27th CTL meeting to be reaffirmed at 39th meeting.
6 M* \6 i; W) i' T6 cQuestion: v- B( ~$ Y8 N7 i5 c: k+ w
Which of the following limits is applicable in the case of a motor with a Class H insulated) v1 Y/ q7 W1 I |8 E; i _& U- @5 j
winding operating at an ambient temperature more than 25 °C (i.e. 120°C)?
; v& h* i0 F2 F5 t) a6 F6 X' T1) 140 °C (stated in table 3) + 25 °C = 165 °C
8 J, n' m- r4 E2) 170 °C (according with IEC 43-1/1983 table 3)0 Z: ^8 a& L0 S- w5 R, g! Z' K
3) 180 °C (according with IEC 85/1984, sub-clause 2.1 “thermal classes”)/ R' P8 J1 s4 I4 w9 y& G0 o' [
Decision:( q/ c1 t) V) m+ l" b2 l, {, M% Z
165 °C, as specified in case 1)0 Y. `: [) Q4 r8 `: {1 V
; X9 g* R+ h* L4 B* h |0 G
8 n! m5 o k6 [1 Y! t |
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发表于 2012-9-14 13:58
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