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家电产品测试EMC* g' o$ a) j1 r* 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7 @. P3 m' Y) Q! {9 c0 P; _
EMS:这块有的不要做,有的要做,这里有四类
, o# C m `9 H, f6 x+ L4.1 Category I: apparatus containing no electronic control circuitry, for example motor operated appliances,% i0 o4 L# J' P9 G% q1 O; e
toys, tools, heating appliances and similar electric apparatus (such as UV and IR radiators).7 S8 r" V5 z' w U, p2 V/ h( m
Electric circuits consisting of passive components (such as radio interference suppression capacitors or/ W4 \& f: s! u) l B. t; y8 S
inductors, mains transformers and mains frequency rectifiers) are not considered to be electronic control
0 I, k+ f6 Z. c/ bcircuitry.8 \# B& D8 L7 @) B8 p4 s
Examples: apparatus containing components such as electromotors, electromechanical switches,& i0 L8 s6 w/ g$ O- g
thermostats, (rechargeable) batteries.
# W- U- F4 w D* f4.2 Category II: mains powered motor operated appliances, tools, heating appliances and similar electric
) n6 m1 A0 X, K: c% I9 x9 D$ Dapparatus (for example — UV radiators, IR radiators and microwave ovens) containing electronic control2 T7 {/ L/ Y1 o0 ?; _6 s% Z
circuitry with no internal clock frequency or oscillator frequency higher than 15 MHz.
$ c G- m" e) t! y/ b* INOTE The value 15 MHz is tentative and may be modified after a period of experience.
+ \/ @- ~# `- e+ E) T% f4.3 Category III: battery powered apparatus (with built-in batteries or external batteries), which in normal
% F9 d0 \% Y- k# K( M. }use is not connected to the mains, containing an electronic control circuitry with no internal clock frequency s% g+ U2 x6 {; H5 I
or oscillator frequency higher than 15 MHz.( K( h: V2 U" L' ]) [( e e" ]4 C
This category includes apparatus provided with rechargeable batteries which can be charged by connecting9 s, ?' V$ \0 G+ ^
the apparatus to the mains power. However, this apparatus shall also be tested as an apparatus in* b* n( ?3 \+ _6 ^6 r2 e4 F
category II while it is connected to the mains network.* J( z( c5 A% H; z2 A8 h3 s
4.4 Category IV: all other apparatus covered by the scope of this standard.
4 x! R0 T6 U6 t$ \' V& A* ?% X9 y' ~& E4 r' X+ }" b
2 P& o3 d3 p$ Q* F3 q对应要做的项目
" B" s M1 L9 j2 Z' a# P7.2.1 Category I
' o; \2 b6 k0 V4 P3 v" m* qCategory I apparatus is deemed to fulfil the relevant immunity requirements without testing.
6 ?) L# x* W/ z r! A7.2.2 Category II
9 ^5 w& K1 z3 s/ |# v+ _Category II apparatus shall fulfil the following requirements:
) T6 v& r' W% Q& f; mFunctions (non-exhaustive)
5 ]- [+ a4 Y& J8 }$ {4 `8 S# YCriteria
I3 W% ?9 M' VA Bb C1c C2c. ~; w6 [& u) f5 C& V5 u
Motor speed& m5 o/ [1 Q, d$ F' m! c# i
Torque
; R) i9 }# r% b. u$ h7 H% }) ]; [ `* rMovement
/ N! G: E- K, r3 sPower (consumption, input)
8 ?4 A0 V! U1 _. ^6 D+ hSwitching (change of state)
7 y4 H0 l- |" wHeating& h! }6 |& c& F( J) G; G
Timing (programme, delay, duty cycle)
6 X" D3 V( s, ^( }) T6 }. x0 EStand-by
+ L/ c& \2 A/ Z/ V* D& V4 X' wData storage/ |8 ]5 i9 z& h
Sensor functions (signal transmission)
/ _4 z8 d( s5 |7 H. BIndicators (visual and acoustic)
' Y2 V6 i$ |. @9 AAudio function
) ?) U5 G5 C: q0 J: b: wIllumination
v$ |: \1 H: ^8 K7 E10 %a/ m: H1 N7 m1 l' G8 I9 e
10 %a) P, W+ G8 w% `, N
10 %a2 y6 R w% }! S- ?) d
10 %a
; o+ B' |) g' R( ` M! B–
# z% u! q7 N a- z10 %a- p, }- ~" c. t2 y& u* D" z9 s7 l
10 %a$ ]% z5 o2 v$ F9 V! Y5 e v
–' e& i5 n: A* l" j
–f
. [; x( A1 |! o7 D/ `- Zf
G: p0 C6 k+ k$ yf6 ~" K- i6 z0 f: t& g" Z6 F( P }
f
3 z9 @9 u6 _# v& g4 }2 C6 v––––5 M y1 G; X" A) |3 a" w
––––1 o1 E3 L& u( |$ G8 K
–––––# ]+ n4 h# \1 W/ s, ^
++++
1 G- O. y: H9 I% Y' p5 c+++d
, Q! B; i. `9 F6 k2 l+ M/ |e" ^9 s' K/ {6 y& A" L( N) O
g
' ]6 q- C" Q5 S; A6 t2 Fg
& @8 B _4 B% Y5 rg, | w" j6 K# H. c' r' [6 m
g
8 P0 L: x9 f8 ?8 z) s7 V5 a––––/ m1 p% r1 E5 b$ w; l7 o
––––9 j' `/ v" Z9 i V
e
! S2 s1 s* [! O3 ]- R# V, f# j–––– –
1 [4 u1 Q. k2 r+ h. n/ t, iNo change allowed.# K7 ~. m( G( H8 t" q+ [# @. w# C
+ Change allowed.1 k7 S: ]) w( f/ ]' G- t% |
a Values are exclusive of the measurement accuracy.
4 {( _$ b% K. \; k- F- y" Fb For criterion B, measurement or verification is performed during the stable operations of the Equipment Under Test before and- _ d7 H, z- \, ]% x% ` q2 H
after the application of the specified phenomenon.' {& X- [4 {, N' x( T" o
c For criterion C, distinction is made between; s1 i8 }! h) `" P; r0 Q% t3 I, c
C1: before resetting and' j4 D4 [6 f9 s! i/ H; I& x
C2: after resetting.
% _ N2 J# g+ E- Dd Switching-off is allowed, switching-on is not allowed.
# Y3 r: j4 p- r( Qe Loss or change of data is allowed.9 v8 `% d0 ?: i1 `
f Lower performance as specified by the manufacturer is allowed, but no loss of correct function.# P. v* j) x# M* B+ D$ L
g Loss of correct functions allowed.
1 M+ u6 C6 r$ zLicensed Copy: Intertek Testing Services ETL SEMKO, Intertek Testing Serv, 16 July 2002, Uncontrolled Copy, (c) BSI1 x; K( H1 f: L4 T( h# L
EN 55014-2:1997
6 G; u. E& l+ h* E$ K5 w10 © BSI 04-1999
5 o% b# R- y O! E# ?7 w8 }' W— electrostatic discharge with performance criterion B (5.1);
% h* J7 \, j+ m5 J; f/ J' n- s K0 D— fast transients with performance criterion B (5.2);
1 [( g& ~- K; u— injected currents up to 230 MHz with performance criterion A (5.3);3 K% w+ p1 Y; N$ e9 n" f
— surges with performance criterion B (5.6);
! M# G& f2 b2 O4 x' E— voltage dips and interruptions with performance criterion C (5.7).
& }9 H5 v! c% B" q$ y7.2.3 Category III6 t9 T7 r( @; w) H9 Y8 C
Category III apparatus shall fulfil the following requirements:
/ u9 z6 M" j$ R* R3 r; B" A— electrostatic discharge with performance criterion B (5.1);% _( l$ L6 o/ ]; W7 j6 `& {: @
— fast transients with performance criterion B (5.2);
$ a4 i) r @6 Q* q, c) b" B! i9 X. p5 w— injected currents up to 230 MHz with performance criterion A (5.3).8 ~ i4 T# h% _9 u
7.2.4 Category IV' |% \: X: q: T
Category IV apparatus shall fulfil the following requirements:2 R3 A4 Y) j" Q
— electrostatic discharge with performance criterion B (5.1);
+ |& D# I2 w e, X6 y$ S1 ~— fast transients with performance criterion B (5.2);% `- e4 H. f6 C
— injected currents up to 80 MHz with performance criterion A (5.4);
/ n7 X; r: s9 a# T5 P" n0 C— radiofrequency EM fields with performance criterion A (5.5);
! ?. p% O& C) o0 c0 K— surges with performance criterion B (5.6);8 }& _$ T$ k) S4 L& E
— voltage dips and interruptions with performance criterion C (5.7). |
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