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家电产品测试EMC j( q, ^6 B& r, L& I
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3 r, n. L1 p: A4 b$ t+ ]
EMS:这块有的不要做,有的要做,这里有四类+ q5 n3 `1 c- G
4.1 Category I: apparatus containing no electronic control circuitry, for example motor operated appliances,
3 E6 P6 \/ D* X* E+ q* btoys, tools, heating appliances and similar electric apparatus (such as UV and IR radiators).
7 W; s/ A% y# c. W/ ]1 UElectric circuits consisting of passive components (such as radio interference suppression capacitors or
( }% R7 C2 S" V. N; S( ~/ Q; ~inductors, mains transformers and mains frequency rectifiers) are not considered to be electronic control7 y+ ~ \$ l6 ]: y1 a
circuitry.; ?9 Q3 {# G2 C2 X+ r# U! R
Examples: apparatus containing components such as electromotors, electromechanical switches,* [3 ~! G6 i: A( U% `
thermostats, (rechargeable) batteries.
- t% |' s, m8 |+ ]0 s- Q' x" i4.2 Category II: mains powered motor operated appliances, tools, heating appliances and similar electric6 ?% W% O% Y$ M4 H/ j& j/ U
apparatus (for example — UV radiators, IR radiators and microwave ovens) containing electronic control. |3 o) x7 ~8 t0 h
circuitry with no internal clock frequency or oscillator frequency higher than 15 MHz. D- }( x7 g6 k# i" {0 \7 E* {, [
NOTE The value 15 MHz is tentative and may be modified after a period of experience.2 ^) M9 G8 h' d7 S1 p" A+ P
4.3 Category III: battery powered apparatus (with built-in batteries or external batteries), which in normal
) X; }) J1 \# c' Nuse is not connected to the mains, containing an electronic control circuitry with no internal clock frequency
& N) l p3 ]! Z1 [) For oscillator frequency higher than 15 MHz.
/ F. C# c6 o) x0 i f3 [0 UThis category includes apparatus provided with rechargeable batteries which can be charged by connecting: u! B+ s( a1 r
the apparatus to the mains power. However, this apparatus shall also be tested as an apparatus in: B8 a# ~0 L& k' {! l' J
category II while it is connected to the mains network.
5 E% G5 q& P$ W0 p0 g" `2 `4.4 Category IV: all other apparatus covered by the scope of this standard.& r9 o# s7 \9 \
, g8 D% G) o, K$ M& ]0 M3 _
( M B- N; m# i: R/ b( v1 n( G& c对应要做的项目1 \, I) t/ Z0 R, @ o) W
7.2.1 Category I
. S2 L6 _% E. b: j# `3 Y8 N4 WCategory I apparatus is deemed to fulfil the relevant immunity requirements without testing.
% z/ z! I7 Q, F( y; K: W# u7.2.2 Category II
0 x) P, k" N C7 t$ }" ]Category II apparatus shall fulfil the following requirements:
8 ]8 ^3 {* `+ x2 D6 jFunctions (non-exhaustive)4 }( p$ @. Z- i2 c; R# r* L, O
Criteria Z- t3 s- H3 @7 y$ z7 I; Z
A Bb C1c C2c# Z" w( D% Q5 |/ K
Motor speed
" z! j4 U9 ^. m" |* z k2 n. xTorque
/ I. y' H* w& a& J1 y5 i R4 NMovement8 K: D- M, |6 e ]; w
Power (consumption, input)
s9 n; S" P2 L$ p/ w. ^; TSwitching (change of state)
2 I! c: C0 U8 y$ M' q( LHeating& t, b9 R7 `. f) c( }. x
Timing (programme, delay, duty cycle)
$ P- s6 q: a6 q5 F, j6 PStand-by
" d' I( A7 V8 @/ D; Y( P+ uData storage
8 a4 G9 O* D4 v1 O2 Q' {0 y& ^Sensor functions (signal transmission)
; \. n# Q; k1 T/ c. x; n& HIndicators (visual and acoustic)
. {/ D. i( _& {& u% e* U& {Audio function
- D! N6 c2 C8 `* ZIllumination- {1 ^" a9 K1 m% N1 a6 V% k8 ]& w
10 %a- Q6 \0 Y) [5 [: V/ r
10 %a! O, c- B# z5 }/ W1 m E! W
10 %a! U( w! u8 c+ o+ x; Q( [' t
10 %a" ^) I3 P# S1 [! c' j4 P* R" y
–, d1 r8 }) y" `3 b
10 %a
: r6 }8 G- y2 x u10 %a
6 w& f/ L9 Z, j–
6 ?1 g3 Z( j% S4 b9 E8 a9 R) j) y( R$ D–f/ `' s# r0 X* j8 ~6 p& T7 }0 M
f
9 Y9 k, P5 B" b: d {f
, E2 C8 w. t4 E$ k3 q sf8 Z1 K% K$ H/ G
––––
+ E, x; Y$ w. j3 g. z––––
* r. L ?4 @ z( z0 @4 Y G–––––7 ^, `0 b/ p) \: X6 {
++++
' u9 D# i" I8 n+++d
% v2 \" R) _2 Y7 X; }( ee
7 |. m! k, R% T$ I$ P$ ^$ wg. z6 k! U! h0 w; \# Q
g
4 R1 k$ Q; {2 a# k" Q5 S8 bg; P/ n/ {' k& @
g# f4 L' r# t5 U
––––
% u1 _0 @- r) q) z7 L( K––––, M _1 e( H9 h9 ^# C% G) ^- D" \
e
. U" f( ?9 |, G# F–––– –) Z1 v7 a5 I6 }1 j1 B1 Q8 t; o$ q6 ]
No change allowed.% a2 [1 ]: s0 e0 x! |
+ Change allowed.
+ {4 H: s; V) Q' z. a3 |a Values are exclusive of the measurement accuracy.
, M/ P, T4 c( N2 b! hb For criterion B, measurement or verification is performed during the stable operations of the Equipment Under Test before and8 I* G1 K$ p6 b( u
after the application of the specified phenomenon.
+ H- q2 s' ~- |+ }# Lc For criterion C, distinction is made between9 R- m7 D) H% h: X
C1: before resetting and4 ?, u# @- E9 y, G G' l
C2: after resetting.
! I+ @' x+ L! ~* ]: Y# \1 Y! z* p# yd Switching-off is allowed, switching-on is not allowed.
6 s; x4 ?" j$ J( A+ l8 W: e* ~e Loss or change of data is allowed.
, t7 g( b$ r2 pf Lower performance as specified by the manufacturer is allowed, but no loss of correct function.
0 B1 ~+ A; q3 S5 Y7 A! \g Loss of correct functions allowed.5 t% r- o0 K2 N+ ~# s
Licensed Copy: Intertek Testing Services ETL SEMKO, Intertek Testing Serv, 16 July 2002, Uncontrolled Copy, (c) BSI( E5 B5 W: |- @! q- C
EN 55014-2:1997
: r% ^* z, T" [3 X4 q, f10 © BSI 04-1999
& L$ K8 T# }0 C- N9 J6 I— electrostatic discharge with performance criterion B (5.1);
3 Q. z8 M+ I \$ t— fast transients with performance criterion B (5.2);- f7 _7 H8 h/ u4 |1 Q, e
— injected currents up to 230 MHz with performance criterion A (5.3);5 t, b. M1 v+ f) V* e. |3 x: p
— surges with performance criterion B (5.6);4 ^* b5 ]4 B7 `! M( R
— voltage dips and interruptions with performance criterion C (5.7).( ?. Y; V* ^* R2 w) x
7.2.3 Category III" Q) c% g' f( Q
Category III apparatus shall fulfil the following requirements:
[6 B2 c5 O# A4 [ G8 Y& J— electrostatic discharge with performance criterion B (5.1);) J, P4 c, O& b# `! _/ G: i
— fast transients with performance criterion B (5.2);
' m/ b3 b' i) o* g6 s: g— injected currents up to 230 MHz with performance criterion A (5.3).
* e+ K6 i" @* S0 D0 L; ~7 e7.2.4 Category IV
- |8 s# C- n6 J( Z5 Z, `6 DCategory IV apparatus shall fulfil the following requirements:3 P. r1 S' T8 s" _
— electrostatic discharge with performance criterion B (5.1);
4 B3 O+ D- [; l% K2 n# b6 i. w* \— fast transients with performance criterion B (5.2);8 F- ~' t8 F% C
— injected currents up to 80 MHz with performance criterion A (5.4);1 P6 O! D* x9 s% _3 F8 m. s& T
— radiofrequency EM fields with performance criterion A (5.5);( r" J' d3 B% N2 `7 f
— surges with performance criterion B (5.6);
8 E0 M6 v+ N, V) w— voltage dips and interruptions with performance criterion C (5.7). |
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