本帖最后由 Mecho 于 2013-12-17 12:46 编辑
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" d8 ]( ]$ T6 l5 ^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?
8 B; K, R8 e4 L+ D3 `* S3 L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?
+ n+ z/ o+ L$ S8 Z- x60335-1:2010标准相关条款如下 19.4 The appliance is tested under the conditions specified in Clause 11. Any control that
/ x& a2 v; Z; {1 x' Z+ wlimits the temperature during the test of Clause 11 is short-circuited.
' i! k- O. |' BIf the appliance incorporates more than one control, they are short-circuited in turn.
9 }2 P. @( g3 |: D/ k19.5 The test of 19.4 is repeated on class 0I appliances and class I appliances
8 i. A6 C# ?+ q9 E) }incorporating tubular sheathed or embedded heating elements. However, controls are not
5 H- J/ G; ?& Vshort-circuited but one end of the element is connected to the sheath of the heating element.3 T, M- ^- `5 D8 t9 J. P
This test is repeated with the polarity of the supply to the appliance reversed and with the
. {5 F8 p8 N% Pother end of the element connected to the sheath.
5 `( w8 K# c/ N/ F% b& fThe test is not carried out on appliances intended to be permanently connected to fixed wiring
( O' H- K7 r& {0 G6 Pand on appliances where an all-pole disconnection occurs during the test of 19.4.
/ y3 D9 u1 z- X8 g8 k3 xAppliances with a neutral are tested with the neutral connected to the sheath.: \" o7 {8 k# R, G5 y: n2 B
NOTE For embedded heating elements, the metal enclosure is considered to be the sheath.8 H4 K* }/ T6 m& C
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