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/ e0 J2 V( L( } v [ | Probe impedance for plug discharge test% x3 P+ _+ E6 ~3 \
| 9.1.6 (IEC 60065) 22.5 (IEC 60335) 2.1.1.7 (IEC 60950) 6.1.2, 6.10.3 (IEC 61010) + any other as applicable& B+ c4 O" O, c7 \
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Standard(s): No. Year
7 f" b, x+ N3 @5 G; h* H- `IEC 600652 K: D8 @3 f5 X/ J
IEC 60335* t; ^1 h0 r& ]2 a
IEC 60950
5 O0 b0 e1 b. D0 CIEC 610105 I4 {& K4 x3 j5 ^ j# d* k. U
+ any other as applicable, z- i+ A- j5 o3 W
DSH-; a3 t! C6 w& g V( j0 Q7 w! a
07161 ^5 d5 \9 X! E& @. g& J
20080 f& Y" m5 F9 g* S- M5 r
Category:9 {# {5 ^1 s) ?! y- }4 S9 m
HOUS, MEAS, OFF, TRON, s8 X1 d' O1 s: e% f: P2 |9 h
Various…3 [; g% c* A6 k
Subclause(s):
1 e2 ?9 ^ u# Z. ~# P5 R* x9.1.6% b+ |' R; l. x- A$ n( A' |. K
22.5& }/ Q ]* X6 ?/ S: |! a! e
2.1.1.7
7 f4 m5 N: D. F o/ n6.1.2, 6.10.3
U& f3 P/ [. z…
( G# p& g, `, R! d r4 k: MDeveloped by: WG2
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# ^( U0 ]1 }, l( s) dSubject: Probe impedance for7 J( N8 m) U) ?1 L( Y0 s' f
plug discharge test
5 M' B0 m4 h. J" {; SKey words:
9 `3 Y# ^: ~# e. i- Probe impedance5 _- S# c7 ?2 g
- Plug discharge
0 ^, ~+ H3 b4 n) l; _, `/ q. Z0 S- >= 100 M
& M! A0 ]8 {8 r; w3 k, p! y) A- 25 pF or less
" q$ u7 P# H% |# H- G2 A, ^Decision approved at the
/ Q1 k4 H5 i: k' z2 P8 F5 m- P- z' `; }2009 CTL Plenary Meeting
. Q5 B* B. ~8 o' S3 JQuestion:
0 W& W5 k% g$ AWhen the plug discharge test is performed using a voltage probe and oscilloscope for0 y2 o; s' b8 E. h* \8 T _
direct measurement of the voltage decay, what probe impedance shall be used to ensure% e" J% f/ R7 x1 G8 \6 w
uniform and comparable results?
8 H3 X: A4 i# f5 B$ b6 V( ?( N' ^, aNote: IEC 60950-1/2005 specifies 100 M ± 5 M in parallel with an input capacitance of 20pF ± 5 pF.
! v5 ^- q! \+ B: B; a3 u! hDecision:
. Z0 p$ P% J" K2 e) x: HIf the relevant standard does not contain contradictory requirements, a voltage probe: q* x9 v7 k9 h& G
having an input impedance of 100 M or greater in parallel with an input capacitance of2 m# Z& ]: y) r1 \. B7 R+ R' W- S
25 pF or less, shall be used for this test.
" o' W3 v4 D8 v: u# MFor other (automatic) equipment with special measurement techniques equivalent
6 |1 z5 y5 m2 ]& P8 F( O0 ?measures shall be taken to ensure comparable results.
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