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家电产品测试EMC
/ q: ]2 M8 g" `/ ?那一定要做的就是EMI:传导,和功率辐射,谐波,電壓變動與閃爍
* o& n! C+ k) y$ YEMS:这块有的不要做,有的要做,这里有四类
/ e) c# }4 Y' Y5 w4.1 Category I: apparatus containing no electronic control circuitry, for example motor operated appliances,
3 l% Y- ?7 V, k; O: Z/ Ktoys, tools, heating appliances and similar electric apparatus (such as UV and IR radiators).
2 }8 p% G* w* `. |" h( }Electric circuits consisting of passive components (such as radio interference suppression capacitors or
4 w) |! |! t6 {+ T; C/ r+ g0 rinductors, mains transformers and mains frequency rectifiers) are not considered to be electronic control" C( r* J! P1 L! F
circuitry.& g8 R3 f' A! G# [
Examples: apparatus containing components such as electromotors, electromechanical switches,1 i% i7 }# {1 }' H+ y
thermostats, (rechargeable) batteries., b1 z6 |; Q j6 w6 [7 t' [& F
4.2 Category II: mains powered motor operated appliances, tools, heating appliances and similar electric
: h; i8 @# ~3 ]9 f7 j2 g4 Xapparatus (for example — UV radiators, IR radiators and microwave ovens) containing electronic control3 `6 J' H$ X- i3 N# F
circuitry with no internal clock frequency or oscillator frequency higher than 15 MHz.+ ^' f- l( ]9 @& n
NOTE The value 15 MHz is tentative and may be modified after a period of experience.
1 M6 f9 C/ b Z' S: d. o4.3 Category III: battery powered apparatus (with built-in batteries or external batteries), which in normal( {4 f7 Y3 {5 C6 `2 v+ U' ~
use is not connected to the mains, containing an electronic control circuitry with no internal clock frequency8 Y3 Q6 C8 q- B$ k! ?+ Y0 P
or oscillator frequency higher than 15 MHz.
9 _) j$ O- A+ W cThis category includes apparatus provided with rechargeable batteries which can be charged by connecting
: K1 ~8 k& V$ y& a% w) G hthe apparatus to the mains power. However, this apparatus shall also be tested as an apparatus in% y# t2 ]' a, L0 d' s
category II while it is connected to the mains network.# ]- I& H7 u+ l r- c$ V
4.4 Category IV: all other apparatus covered by the scope of this standard.
( q% ?# e9 r7 J) l6 y) ~8 ?1 {2 V8 \% y* n' s3 P5 L
: c. j9 K2 K! q+ J% q9 I+ s" L对应要做的项目
' m' |0 V! E1 R. M9 `# x4 g7.2.1 Category I6 F( S$ q8 _4 _. X
Category I apparatus is deemed to fulfil the relevant immunity requirements without testing.) X4 ]1 _- C$ e+ O9 }0 n
7.2.2 Category II
# a# u# ^$ {3 H! z1 z7 r( c- nCategory II apparatus shall fulfil the following requirements:
& K6 H% w2 r% w3 F F) E6 ^$ }Functions (non-exhaustive)9 Y5 l3 ~3 ^- P
Criteria
6 ?6 S; g* N, q ^3 g" qA Bb C1c C2c# |! g7 q- v1 V" Z0 T$ K
Motor speed9 V8 V1 D. z4 `1 \/ r
Torque% g5 ]# B- ~1 ~7 n+ K
Movement2 B1 |7 s% U& y
Power (consumption, input)% W z4 B+ e5 j" C9 W2 e
Switching (change of state)
3 E V5 H7 f7 |/ C) x& b% ~Heating+ e6 @( n6 g$ v# h% D# B
Timing (programme, delay, duty cycle)
9 l# c( `; }6 eStand-by4 C) p& r4 w; \' g( L
Data storage1 l4 ? L5 @/ T
Sensor functions (signal transmission)
# N+ l# t; R2 vIndicators (visual and acoustic). @; K7 g" y- _6 v% S4 J
Audio function
& q _) z/ F. ^5 xIllumination
& b- C2 m R, j- X1 |/ F) G10 %a5 H: E$ U% Y) |' s# z
10 %a7 U; D' ], U. @
10 %a
5 |; D! Z( g% G* p& Q% Z10 %a
; Z7 H0 T! C7 p7 L–3 p6 S. {5 o, I) Q" a9 P
10 %a; J7 b% b( Y$ n [' ?' a
10 %a
& ]; P8 m% E: S+ q8 K% n$ B; r–: [$ s4 {" L& q! [# B, L
–f8 g/ r/ {& d$ Y& ]
f- L( p" R$ a4 V8 i. o- I% m( f5 x6 B
f
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: w( e2 z. R8 B, x1 h3 O1 w––––
2 t/ h: N1 a# k( j––––2 I/ T; }" ~8 K2 _, T
–––––# r9 y9 \- d7 ^; N o9 J0 z6 ~( ^7 q6 Y
++++
; z9 U, c3 w5 C5 r* V4 a# S+++d/ d6 }6 s: A+ b8 p& D R
e
! W" h9 s( S: ?0 bg
. G% }$ G- K2 @1 h$ Ug
# I N1 c/ j1 _/ ?% @( _& Ig7 w; x- F/ O* D2 e) Y+ y
g) d" F3 ?% R5 R# W3 r" D
––––# O* v) ^6 m9 l0 i0 i5 ~' V
––––% Z+ h1 m$ ~* [' Y; n, J
e/ @, P& C$ \' d0 N5 o' z3 U+ j
–––– –
9 ^+ c0 D, Q# CNo change allowed.
% ]9 d" T, k( f4 W S: x8 M+ Change allowed.
7 F- ?6 y& P5 p+ W0 X" P2 na Values are exclusive of the measurement accuracy.. ]$ {* h5 S. O! T4 T
b For criterion B, measurement or verification is performed during the stable operations of the Equipment Under Test before and; i& G4 D, l7 _# h
after the application of the specified phenomenon.
! O$ z0 u2 [' c- {: ~* g; f- I7 [c For criterion C, distinction is made between* o3 Y) B0 F* o y5 ^: o3 `0 @
C1: before resetting and6 h2 ~+ s% S, Q7 j% Y4 Q
C2: after resetting.$ t8 m6 [7 n$ L! Y/ q( d
d Switching-off is allowed, switching-on is not allowed.' Y7 V/ Q8 C# h) G' f' K
e Loss or change of data is allowed.. W; b& Q- _* W4 V+ C: P
f Lower performance as specified by the manufacturer is allowed, but no loss of correct function.- p) B! j' a* r' c$ ~, r
g Loss of correct functions allowed.0 Y# n& r/ o: p) l' ]$ F/ R
Licensed Copy: Intertek Testing Services ETL SEMKO, Intertek Testing Serv, 16 July 2002, Uncontrolled Copy, (c) BSI' W4 `" z4 V- Q
EN 55014-2:1997: u0 D, g! u! G
10 © BSI 04-19998 y E7 Z% [9 o- T3 P( G
— electrostatic discharge with performance criterion B (5.1);
- o" x3 I! l9 g+ l6 Y9 d2 q- j— fast transients with performance criterion B (5.2);
: p! C# f' i6 F3 d— injected currents up to 230 MHz with performance criterion A (5.3);
. {" p' R6 f( x— surges with performance criterion B (5.6);
% _5 x. C: v2 `! q, k2 g$ a— voltage dips and interruptions with performance criterion C (5.7).
9 W0 a M, C% Z1 Y. v9 x" \- R. X7.2.3 Category III6 U3 V2 b1 b; ]- D
Category III apparatus shall fulfil the following requirements:
d4 L* @8 R; l: }& Y— electrostatic discharge with performance criterion B (5.1);0 J. q, u1 ?, x8 [ G! D/ s
— fast transients with performance criterion B (5.2);
, }7 R8 U" O1 r1 H' ~# v& a— injected currents up to 230 MHz with performance criterion A (5.3).2 m6 k& }& E# p8 `) I8 S0 [/ k
7.2.4 Category IV* J: p; d# r, W. ]' \ L& n2 r& F
Category IV apparatus shall fulfil the following requirements:
- ]# k3 n/ N6 I/ F* ~2 J* P3 z— electrostatic discharge with performance criterion B (5.1);
/ x- V+ |& z1 w, L2 Q2 X— fast transients with performance criterion B (5.2);: [" U7 j+ O: f; e& H2 N0 \
— injected currents up to 80 MHz with performance criterion A (5.4);
- W/ ^5 I$ g! ]9 R5 G— radiofrequency EM fields with performance criterion A (5.5);7 x5 D$ t7 V! M
— surges with performance criterion B (5.6);
5 C. M6 @) p X$ e— voltage dips and interruptions with performance criterion C (5.7). |
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