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| Probe impedance for plug discharge test; h! v6 ]5 Q r% |
| 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 applicable3 o. U- r4 w L0 a1 L9 L
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~" L$ N- n: x, `" X- @5 Y" OStandard(s): No. Year
! n* B" i( g/ p* oIEC 60065) {6 y0 D( U# F2 a
IEC 603351 N) U* H: ]/ S0 R
IEC 60950
+ v! s9 Z$ ~4 [+ f& K% BIEC 61010 T7 a- n- O: x& ?
+ any other as applicable* i: u, e4 ~6 U9 F
DSH-
" F" r% C# L# u G) i9 U9 ?$ C0716& f. R- M" t$ U, t4 N
2008
# O% C2 z& M- ?& @2 e; j0 O0 @Category:) |0 @: B% o/ \8 I% w* K
HOUS, MEAS, OFF, TRON,- R: J8 c& y" H3 j: ?* r
Various…9 p3 g6 w* t4 G
Subclause(s):% n1 ]% ]/ f" A w" I
9.1.6, q/ G" X% s+ G/ D' O
22.5# Y9 h( m: ~- u. \5 B9 V
2.1.1.7: f- s% Q8 ?$ g
6.1.2, 6.10.3( w8 p. F4 V/ a; Y; C6 B r
…
/ B! S/ d$ M+ c) ?/ iDeveloped by: WG2
. U1 M$ q! h6 D6 {WG4
' i! m- D: ]: ]- `# B9 j5 NSubject: Probe impedance for
1 j2 ?# p+ z8 ]5 Nplug discharge test: C- N" S6 X8 J4 C" s/ z& i2 G
Key words:
# q: d# Z0 ?- o9 Q2 i# }. p7 Y- Probe impedance
8 D/ I$ L( J1 S/ f. [8 ]/ K! R1 @3 p* m- Plug discharge! ^5 c* |! c& H; ~7 t; z
- >= 100 M
1 {- o8 s# c" a- 25 pF or less
+ l$ E: {8 v0 ~+ ?' L; A2 RDecision approved at the
. A% y# ` M# p1 Y& U2009 CTL Plenary Meeting
+ X+ O' n( x2 \- j1 }9 [Question:
* ^# L- H% i, {4 z, S& UWhen the plug discharge test is performed using a voltage probe and oscilloscope for
+ O+ q1 e/ O5 Fdirect measurement of the voltage decay, what probe impedance shall be used to ensure
7 F' P( H* x# A1 Kuniform and comparable results?
7 D% k' M3 r0 r" w8 eNote: IEC 60950-1/2005 specifies 100 M ± 5 M in parallel with an input capacitance of 20pF ± 5 pF.. U8 Y: T* c- H/ g
Decision:
% _# Q0 ]5 u+ R- HIf the relevant standard does not contain contradictory requirements, a voltage probe {# y; }2 T% v. W
having an input impedance of 100 M or greater in parallel with an input capacitance of
$ g' s, P- s7 }! C. T i( H25 pF or less, shall be used for this test.( z# K: n6 S& o# @& |
For other (automatic) equipment with special measurement techniques equivalent
+ D9 Z q$ |! Wmeasures shall be taken to ensure comparable results.5 q+ f/ }7 Y7 T9 E* D1 A8 x m& W
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