|
EN60204-1的接地电阻值没有明确规定,是否能按0.1欧姆?
1 g3 j2 r; U# O% c: R; N7 Y9 ]1 v9 a( P+ J6 Q0 V0 j
Test 1 – Verification of the continuity of the protective bonding circuit
1 G" ?) z& ~# v) w; H y8 rThe resistance of each protective bonding circuit between the PE terminal (see 5.2 and
d8 n4 g9 m: |: x* JFigure 3) and relevant points that are part of each protective bonding circuit shall be
) J! U, ?0 P) Y! Dmeasured with a current between at least 0,2 A and approximately 10 A derived from an
1 t. h1 @: U- @* T% F7 x9 Z2 qelectrically separated supply source (for example SELV, see 413.1 of IEC 60364-4-41); ^6 e# d8 t5 Z/ W2 M* X/ Z
having a maximum no-load voltage of 24 V a.c. or d.c.. It is recommended not to use a PELV6 J0 ]/ N: O6 B$ Y$ {. B: e3 {
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). |
|
|