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3.接地连续性测试,简单测了个电机的,其他连接的点嫌费事,就没测 ( ]4 ^* S% }( ~+ v
接地连连续性要测试所有裸露表面,除非是肯定的可靠接地.3 |: M$ ~& |' a+ C: q( v$ G; c
Location Current(A) Frequency(Hz) Measured voltage(V) Limit(V)
9 [' E1 k/ q9 w$ D" s+ }0 ]8 nBetween incoming 8 U8 X+ `# r7 W) N
PE terminal and . t4 q2 p4 s, b4 s' I9 n9 L
relevant points " O1 i2 p, C7 U Y: S0 [% A8 J
that are part of
5 s+ a7 S+ ^4 P: ithe protective
0 Z& {7 c/ U9 E9 c4 F5 Pbonding circuit
9 M: I( g4 Q" e' i, g# rPEФ>1.0 mm2 10A 50Hz --- <3.3V
' c& F! a/ d3 {- TPEФ>1.5 mm2 10A 50Hz --- <2.6V, [5 z' N2 X; I. F/ _( W
PEФ>2.5 mm2 10A 50Hz --- <1.9V- O7 |/ W7 ?4 `8 R# M6 r
PEФ>4.0 mm2 10A 50Hz --- <1.4V5 I& y2 O4 q; q& {$ Q, B: s# [
PEФ>6.0 mm2 10A 50Hz --- <1.0V |
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