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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?4 }! E" y9 R# y8 h
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Test 1 – Verification of the continuity of the protective bonding circuit
: m4 Y1 i3 C& D5 A, tThe resistance of each protective bonding circuit between the PE terminal (see 5.2 and7 x# W: H e E' L. t
Figure 3) and relevant points that are part of each protective bonding circuit shall be/ ]- W7 x3 c0 S3 y
measured with a current between at least 0,2 A and approximately 10 A derived from an
2 p! d4 e; ]) p7 ^electrically separated supply source (for example SELV, see 413.1 of IEC 60364-4-41)
8 R4 @( H" Q9 \& v- m, Nhaving a maximum no-load voltage of 24 V a.c. or d.c.. It is recommended not to use a PELV
3 [& M' x$ t# F/ a6 M0 O, r( F! \, vsupply 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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