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家电产品测试EMC& m- L4 l! F3 q( U$ q
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 @+ w( W4 ?' a$ `5 P: z) k
EMS:这块有的不要做,有的要做,这里有四类
7 I+ O$ W4 Y- V0 i3 ?/ ^$ H; T4.1 Category I: apparatus containing no electronic control circuitry, for example motor operated appliances,
4 C( t* A# M' O0 |toys, tools, heating appliances and similar electric apparatus (such as UV and IR radiators).
& {8 m8 J" q3 U" Y- IElectric circuits consisting of passive components (such as radio interference suppression capacitors or
+ q) ^/ n6 g* D. E: G( xinductors, mains transformers and mains frequency rectifiers) are not considered to be electronic control
8 Y) z. ]/ @0 Q1 m% }circuitry.
9 P3 f% r3 |8 Q$ gExamples: apparatus containing components such as electromotors, electromechanical switches,% ~7 R7 Z% M a% M
thermostats, (rechargeable) batteries.8 q) q) k' _* I& c. k+ ?3 b* k
4.2 Category II: mains powered motor operated appliances, tools, heating appliances and similar electric
: D0 P {' ^: {# k; E5 bapparatus (for example — UV radiators, IR radiators and microwave ovens) containing electronic control
+ U9 o1 ~* d5 k0 s2 fcircuitry with no internal clock frequency or oscillator frequency higher than 15 MHz.
( \! P# W8 ?: f6 n( z4 q- jNOTE The value 15 MHz is tentative and may be modified after a period of experience.
& y9 h. r5 }, A5 E4.3 Category III: battery powered apparatus (with built-in batteries or external batteries), which in normal
0 B/ m* ~4 Z6 {. B9 Z7 O% quse is not connected to the mains, containing an electronic control circuitry with no internal clock frequency
6 b* ^ u* g5 j) o) Aor oscillator frequency higher than 15 MHz.
5 O: _2 U C; y. `This category includes apparatus provided with rechargeable batteries which can be charged by connecting( ?$ i; B0 ]1 G5 `
the apparatus to the mains power. However, this apparatus shall also be tested as an apparatus in
( X: k, L: K! zcategory II while it is connected to the mains network.+ m6 V0 I; N% Q$ A& Y5 z6 B T
4.4 Category IV: all other apparatus covered by the scope of this standard.0 }* G& e% l* P, J, k O* }/ \7 @( f! ~
+ }8 U' t0 \/ [1 f; O. ^( K, }' {7 M2 F/ M* R: p, l2 a
对应要做的项目' U2 v+ [! ]! h f% j* O, b6 X
7.2.1 Category I6 q. s( R3 N- `+ N0 q$ o3 @' L) z1 {5 U/ f
Category I apparatus is deemed to fulfil the relevant immunity requirements without testing.
' Z. l; H. n) t; T: e# K7.2.2 Category II
! \4 ~+ A8 g) L# [Category II apparatus shall fulfil the following requirements:3 Y0 I& ~, I# S& x2 X; e
Functions (non-exhaustive)
7 e( n: D" D* A3 `: b: DCriteria2 U- H8 s( t1 g7 u
A Bb C1c C2c
$ e: h* J3 Z ?Motor speed! W+ H5 R, O# u
Torque) c1 W |) s7 A* a8 e' f; C
Movement- I5 b# ?: L+ T4 x1 o6 W
Power (consumption, input)7 z' N/ v; r9 u7 a" }9 R6 r7 W
Switching (change of state)* ]" r+ h' p+ C( U3 N# C
Heating; }# O. M0 |* e, `" l
Timing (programme, delay, duty cycle)# F6 l# w: B( E- } @, Y m) C2 B
Stand-by
6 d$ ^. @1 Z O% D/ |* `6 @7 H& A; d2 NData storage
& {* [9 B: V F3 ]( ySensor functions (signal transmission)
6 b3 c0 i6 u( V: Z. z! dIndicators (visual and acoustic)
' @% ^6 A1 U0 E, R1 t @1 FAudio function
$ C$ v$ U* R- }4 }% v* dIllumination
7 \& ~5 [) p1 _10 %a
0 T/ P1 w/ X0 i& @6 ^10 %a
+ ~! A, f0 F' \! d4 v$ q10 %a
) i, @1 D4 \0 b1 ` H10 %a/ w9 j" B9 u5 |* @3 X1 O$ \
–
( D$ J* A+ m- @' q9 P) ^" V10 %a
& A7 C& G7 N8 r/ Q) ~6 A0 Q+ |10 %a
) f5 d% ^$ Y6 ]–+ h" L, J4 \: s2 ~8 S/ r6 L1 h1 g
–f
8 X4 X/ u3 C3 E: s. Qf
& ~: n" ?! a2 j6 Tf( m9 }; m4 G) q8 @
f( g; q8 a; d1 M1 e9 i
––––
6 E, Y2 M6 _% }+ ?9 F. l2 w––––
* F6 A3 D8 l/ I; E1 x P–––––- X3 H" J4 w$ T; ?( X+ F6 s
++++
8 S! ~" q% Z1 R; z. g% G: b$ a9 x+++d+ F. p4 G" ^. y( `
e
& i# M1 Y! \8 U+ B! X9 t* m( c. d5 Hg2 Z+ i- U; a1 x6 o- j! O
g N% T Z+ ?( l) R: s
g$ q7 E- ]" @8 M; c7 z* W
g( c; D; @% U1 ]) P" ^
––––
, k: f3 x7 R8 e4 L––––
: V7 L( k& a3 {' K, W' Y5 M! C& [# Me
1 H& o# B: x9 M* z* U–––– –
: D" O# p( F5 g! t7 JNo change allowed.
; z; L3 y O/ ^$ m9 |) H$ h/ F7 x+ Change allowed.; f$ ~* q! W8 O0 n' i M$ j* y& q- g
a Values are exclusive of the measurement accuracy. [. @, ]- M. z3 A; c
b For criterion B, measurement or verification is performed during the stable operations of the Equipment Under Test before and
8 v V- Q/ w! }7 }- pafter the application of the specified phenomenon.
2 o$ E; a( l3 p2 v0 rc For criterion C, distinction is made between
, H P# z1 U" i9 m/ a- q( E9 `/ P1 L* xC1: before resetting and
1 z: ^3 B" x" |3 y+ v% @C2: after resetting.
" }5 C6 S* ^$ A6 W. ?6 Ld Switching-off is allowed, switching-on is not allowed.
: ^& B! |0 m$ H$ Z. z/ f( he Loss or change of data is allowed.
9 u. S) e2 F# d7 f8 D5 cf Lower performance as specified by the manufacturer is allowed, but no loss of correct function.
9 u5 Y% y: L0 h% Z& l2 \% N) mg Loss of correct functions allowed.8 k9 v" q; [8 n. d7 J- G0 \+ E
Licensed Copy: Intertek Testing Services ETL SEMKO, Intertek Testing Serv, 16 July 2002, Uncontrolled Copy, (c) BSI& Z3 ]5 y4 U# f/ O. U: H
EN 55014-2:1997
! W5 q0 K& X: e% N; h2 x1 Q, t: q% G10 © BSI 04-1999$ t' s4 c1 [% {+ Z; E- W( q
— electrostatic discharge with performance criterion B (5.1);
; |/ _, J, J9 X+ Y1 [— fast transients with performance criterion B (5.2);
3 v/ q. n0 A& B9 u& {+ {- `( h— injected currents up to 230 MHz with performance criterion A (5.3);* l4 g2 M$ I) _0 y0 i, f1 m
— surges with performance criterion B (5.6);6 u2 u7 K, H: |3 s1 D- C
— voltage dips and interruptions with performance criterion C (5.7).
9 O4 v. W/ j7 S- |' @' b2 c1 ~8 i7.2.3 Category III, J( Z3 Q5 N2 |# r# a. j
Category III apparatus shall fulfil the following requirements:
^+ g8 g1 W) b9 d, S! H— electrostatic discharge with performance criterion B (5.1);
0 J% u8 m: z" r4 S z— fast transients with performance criterion B (5.2);
9 i9 ?1 j; ^: D: _ E1 c1 c— injected currents up to 230 MHz with performance criterion A (5.3).
3 N+ [/ S% ~$ U4 W$ r t) b+ v0 c4 w7.2.4 Category IV
: C( U4 g+ X3 r! n3 tCategory IV apparatus shall fulfil the following requirements:5 k* u2 f/ I1 [7 r
— electrostatic discharge with performance criterion B (5.1);8 l4 i/ y1 g- F7 b
— fast transients with performance criterion B (5.2);' H+ a* Z$ T6 m: h7 j1 v/ _+ }
— injected currents up to 80 MHz with performance criterion A (5.4);* {* B0 K7 G! P' H- H1 ?
— radiofrequency EM fields with performance criterion A (5.5);- Q {, _ G8 j) B3 A* ~8 t
— surges with performance criterion B (5.6);
- B, u% Y- S) `, Z— voltage dips and interruptions with performance criterion C (5.7). |
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