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家电产品测试EMC
8 S+ x4 o, F w' O h( r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
. U. P0 y: O" {* i/ FEMS:这块有的不要做,有的要做,这里有四类
, C8 B- s' c2 t0 m- [4.1 Category I: apparatus containing no electronic control circuitry, for example motor operated appliances,
3 @5 W/ w! {# {toys, tools, heating appliances and similar electric apparatus (such as UV and IR radiators).7 {" \1 s7 H/ t. ?/ f5 Y' D) p
Electric circuits consisting of passive components (such as radio interference suppression capacitors or6 X9 l7 Y6 S+ G2 z1 h0 G) V: \" Z
inductors, mains transformers and mains frequency rectifiers) are not considered to be electronic control8 u8 Z/ r& k4 H( g/ t/ o
circuitry.6 I. J9 L4 E% L, t4 n$ Z- u
Examples: apparatus containing components such as electromotors, electromechanical switches,
- @+ R+ t3 ?5 V1 w9 W3 ithermostats, (rechargeable) batteries.3 M0 j; U. j! d! z0 |
4.2 Category II: mains powered motor operated appliances, tools, heating appliances and similar electric6 m j, N! U3 f
apparatus (for example — UV radiators, IR radiators and microwave ovens) containing electronic control0 S. u( A1 U& s! q
circuitry with no internal clock frequency or oscillator frequency higher than 15 MHz.; W. g4 _2 Z( ?1 t& s
NOTE The value 15 MHz is tentative and may be modified after a period of experience.7 `5 F) K; h/ }% ~( b B
4.3 Category III: battery powered apparatus (with built-in batteries or external batteries), which in normal
/ n; {- y0 q. Y6 C0 Guse is not connected to the mains, containing an electronic control circuitry with no internal clock frequency
% U. q. a1 p3 S0 q1 r% d, X0 Cor oscillator frequency higher than 15 MHz.& t3 U" F [$ w* ^0 I
This category includes apparatus provided with rechargeable batteries which can be charged by connecting3 K7 V8 c. J# {( `! c9 j
the apparatus to the mains power. However, this apparatus shall also be tested as an apparatus in7 l2 s, P: \0 R, ^' S. I
category II while it is connected to the mains network.
, k" E% h& O# J* D* E4.4 Category IV: all other apparatus covered by the scope of this standard.9 J6 O* f/ ^* \4 h7 P4 C$ G
" A4 Y, o5 Q9 k
' V# {4 ^" E) a8 C& V5 k8 J; ?对应要做的项目 U+ _7 Y8 x1 e: \+ }+ @8 m7 E
7.2.1 Category I
+ i7 N k5 S6 t+ ?9 QCategory I apparatus is deemed to fulfil the relevant immunity requirements without testing.5 v: v* F. a2 {6 {) _( c! O
7.2.2 Category II) ]. i+ o6 H& s$ }6 e6 f- w
Category II apparatus shall fulfil the following requirements:
, O7 ]9 }3 I5 C# [. GFunctions (non-exhaustive)5 ~( x3 D$ y, |! f- B7 M
Criteria! X( }! f; |: W& e5 W6 ?# _& @
A Bb C1c C2c0 `* ~) ?3 ~% S1 h' D3 J
Motor speed
9 m7 }$ k, Y; `0 s; R( e3 jTorque
6 e, N, Y2 j3 T( s6 pMovement
0 F5 c$ M0 m" ~6 `Power (consumption, input)
5 ?% C" ^$ Q0 {1 |" e" |; ASwitching (change of state)* ~* ^8 X5 f# b
Heating+ y" r6 v0 l. o( `7 K4 Y/ m
Timing (programme, delay, duty cycle)3 I) t, v( r! I+ V1 ?5 ~
Stand-by
+ B5 `* v5 A2 y9 h4 V% V- ~% {Data storage
! a' c) L5 x5 H; P" X) m ?Sensor functions (signal transmission)
2 h. c3 q/ K }, a" cIndicators (visual and acoustic)
8 ]5 q; D) d, h' ^ T7 Y, v9 m$ CAudio function
' h ~& M& G6 Q5 @+ y, S FIllumination$ I* a: k. L4 Z3 {, B
10 %a" z0 U2 s0 Z! E. A- d
10 %a% d: [1 F6 c* d. M
10 %a
& d/ j& }. }% u' w$ O$ P3 K/ M10 %a
; P' t2 d1 D1 O3 N& |–
9 [/ t, g, H6 m3 O1 }# c; u, X10 %a$ g, Z0 Y3 }. G [& X4 P
10 %a5 B6 ?0 P2 s7 R0 g7 _& b
–
7 [8 D- T) i* ^1 J" h/ f+ [–f v8 L; O2 I* N
f
6 g* a: x. a9 t# Z4 {% e8 a4 ?+ X7 ~) Lf- o/ }: D2 _& Q- d7 e! u8 N, Q
f
+ C) a2 d V% }1 x! M; `* j––––2 X* @4 ^5 c5 i- p, |+ Y9 o
––––9 e* s* U" ], Z! N* P! k4 ~
–––––
( {" \. V6 S4 x+ X' o# E% O5 P3 r++++$ x/ Y1 B3 k/ Q: V! u9 O
+++d3 a; X& s) n `: M7 N
e
L9 E' f- c- Vg1 L- u7 P- x+ h4 f" t1 i
g2 r- S$ \7 Y& s- i9 H0 v3 \5 h! e
g
4 x. t2 e; ? t% n/ l- _g" \ B2 ~7 u& Q
––––. m' e1 X6 {1 M$ X
––––; Y W6 P; }) O2 ?; N
e4 _& Q9 a6 J/ v5 a. n5 a1 V
–––– –
! t" Y( C, j- I0 v3 z+ m# \' H8 J1 WNo change allowed.' \+ t3 n' i, d5 T, x/ ^
+ Change allowed.6 Y1 d" r* h1 G# H8 w7 b, E% O
a Values are exclusive of the measurement accuracy.
, }% d3 o+ r! L- z# ~. Z" s5 _b For criterion B, measurement or verification is performed during the stable operations of the Equipment Under Test before and# l6 h2 V( {1 P; N
after the application of the specified phenomenon." B: F; ?" l3 R# h2 \4 N& ~ E% u7 a+ r3 F
c For criterion C, distinction is made between4 c" Z+ R9 S: }; R) N& h) M
C1: before resetting and* j+ v# b( ]0 W6 T& e9 A3 Q' ^
C2: after resetting.
5 w0 ?3 D( e$ ^7 \9 K# |& Nd Switching-off is allowed, switching-on is not allowed.
) Y( g5 Z& M& Te Loss or change of data is allowed.
6 ?8 d! R& A! K$ Of Lower performance as specified by the manufacturer is allowed, but no loss of correct function.
4 Q$ M5 {7 L8 @& D- jg Loss of correct functions allowed.: h/ w3 I& `8 S8 K1 X
Licensed Copy: Intertek Testing Services ETL SEMKO, Intertek Testing Serv, 16 July 2002, Uncontrolled Copy, (c) BSI4 U! n' [' _; U7 k6 B
EN 55014-2:1997
& _' L4 c/ B) S- \* Z: k9 \10 © BSI 04-1999( o6 t/ \3 l1 V9 m! q* K+ a" C
— electrostatic discharge with performance criterion B (5.1);! h; n9 f5 _# x" E8 p; v
— fast transients with performance criterion B (5.2);: O! ~1 o) V1 E$ @! a
— injected currents up to 230 MHz with performance criterion A (5.3);% }7 U# m+ v1 ?' N, Z" x
— surges with performance criterion B (5.6);3 j c1 T8 ~% A; Q1 U6 F9 N# q% Y4 y
— voltage dips and interruptions with performance criterion C (5.7).
" P8 i$ G; z A1 d9 f7.2.3 Category III
4 }6 Y, k/ M- l- {: @" lCategory III apparatus shall fulfil the following requirements:
' f d4 [ @1 _0 z2 s— electrostatic discharge with performance criterion B (5.1);3 c0 X9 P1 j0 u* K) t
— fast transients with performance criterion B (5.2);" J* p% e2 S2 Y% W7 r
— injected currents up to 230 MHz with performance criterion A (5.3).
! v- ~6 [6 J+ `" C7.2.4 Category IV
8 `5 C: A- @4 R, ~0 FCategory IV apparatus shall fulfil the following requirements:' N9 R/ T" Y" e0 X
— electrostatic discharge with performance criterion B (5.1);2 c) e, Z; I0 n0 g! G
— fast transients with performance criterion B (5.2);4 T# w+ j: c, C2 Z( a
— injected currents up to 80 MHz with performance criterion A (5.4);
1 r7 z y* w5 t+ u( [9 ?— radiofrequency EM fields with performance criterion A (5.5);
. u8 u2 e1 _4 {& o6 d& F% I— surges with performance criterion B (5.6);
7 V A' R8 |5 M2 B s) W— voltage dips and interruptions with performance criterion C (5.7). |
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