本帖最后由 Mecho 于 2013-12-17 12:46 编辑 , ]" e( }7 O# ^
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附件附件中有完整图文描述~~~~~ 加热管 温控器设计 单相机器,带plug,也不是全极断开。 如图, 1. 我们的机器用一个EGO的毛细管温控器加在加热管的一端非正常测试做干烧时,可以满足19.4和19.5的要求吗? 2. 如果不可以的话,我们EGO有3 poles的型号,我将2极接在加热管的两端可以满足吗? / H' ]7 V. ?$ [" u2 S6 u
三相器具,固定接线,不带插头;开关控制接触器可以全极断开 如图 一个EGO,有3poles,分别接到三根加热管的一端。 这样应该可以避开19.5的测试,但是19.4的可以满足吗? 如果不行,可以采取什么样的方法来解决这个问题?
" B; c4 O5 M/ F/ R9 u) Q60335-1:2010标准相关条款如下 19.4 The appliance is tested under the conditions specified in Clause 11. Any control that
V$ G" m- ]3 Q0 D1 E& `! }: W' Alimits the temperature during the test of Clause 11 is short-circuited.
0 I e/ T9 h' g- _3 XIf the appliance incorporates more than one control, they are short-circuited in turn.
+ [: z G6 e/ x+ i19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances
2 I$ h( W4 X4 Rincorporating tubular sheathed or embedded heating elements. However, controls are not* J" q `# e3 u
short-circuited but one end of the element is connected to the sheath of the heating element.
6 n! |( j' C* UThis test is repeated with the polarity of the supply to the appliance reversed and with the
& j; ]& d0 M) gother end of the element connected to the sheath.
. j3 p0 S" o1 z/ ~6 `/ \9 NThe test is not carried out on appliances intended to be permanently connected to fixed wiring
2 d- W9 C/ M% R" A- ~( }7 H$ aand on appliances where an all-pole disconnection occurs during the test of 19.4.
8 I5 O* G% w& d7 \* K$ v' C- ~Appliances with a neutral are tested with the neutral connected to the sheath.5 V. y, d- k7 S$ A- r
NOTE For embedded heating elements, the metal enclosure is considered to be the sheath.
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