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EN60204-1的接地电阻值没有明确规定,是否能按0.1欧姆?
5 P$ T& g! w) O
5 S. p, a0 Q# R1 [7 x `3 oTest 1 – Verification of the continuity of the protective bonding circuit
( e' j2 x% M9 n1 f9 c! LThe resistance of each protective bonding circuit between the PE terminal (see 5.2 and D( P+ n8 r% ~* s; l
Figure 3) and relevant points that are part of each protective bonding circuit shall be6 R3 F3 t8 F/ }! F. B3 U; z- k! G- ]
measured with a current between at least 0,2 A and approximately 10 A derived from an5 u" r' m& \) Q- h( f
electrically separated supply source (for example SELV, see 413.1 of IEC 60364-4-41)
; ?6 D# M: @7 K4 o0 ?having a maximum no-load voltage of 24 V a.c. or d.c.. It is recommended not to use a PELV' n. z+ K9 k# v$ I
supply since such supplies can produce misleading results in this test. The resistance | measured shall be in the expected range according to the length, the cross sectional area | and the material of the related protective bonding conductor(s). |
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