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CISPR 11中,7.6.7有规定测试方法
6 p0 `5 s) c3 }4 g* }) d* V& K! y1 o7.6.7 Single and multiple-zone induction cooking appliances
/ d/ i9 a. x6 eEach cooking zone is operated with an enamelled steel vessel filled with tap water up to 80 %
+ \$ w& i3 G8 `0 p7 e' m" Oof its maximum capacity.
) I4 s5 p: e2 LThe position of the vessel shall match the hob marking on the plate.
4 g) Q% k5 D8 m2 {/ X# NCooking zones shall be operated separately in sequence.1 ^8 O" B1 T1 a$ `. s3 |3 `
A cooking zone with more than one induction coil shall be measured with two load conditions.( g: t. r, @ ^( U6 q. G* B
The first measurement shall be performed with the smallest coil of the zone activated. The7 Q; d6 J' ~4 y& G0 ]# O
second measurement shall be performed with all coils of the zone activated. In each case, the
( @( F; H3 X1 J' H9 [% u" Csmallest usable standard vessel shall be used (or the smallest vessel according to the
3 i( O6 g+ b# \! y% C7 Amanufacturer’s instructions, which take precedence), which just activates the smallest coil, or$ ^; R) n, ^% g2 b1 U+ V8 Q
all coils of the zone, respectively.1 C$ k0 w; V% N" H5 C2 J8 L- q
Energy controller settings shall be selected to give the maximum input power.1 ?* v: K9 x' e/ N" W
The vessel bottom shall be concave and shall not deviate from flatness by more than 0,6 % of. T! g7 v; C% ^' ~$ ?) H* `- @
its diameter at the ambient temperature 20 °C ±5 °C.! O; u* J% t% \. |
The smallest usable standard vessel shall be placed in the centre of each cooking zone. For
! O% ^9 d1 m/ P) m9 d) J C( m8 tthe dimension of the vessels, the manufacturer’s instructions take precedence.
* k. R! s/ j% y# XCooking zones which are not intended for use with even vessels (e.g. wok-zones) shall be4 W, g: D3 b( C2 g1 k
measured with the vessel provided together with the hob, or with the vessel recommended by* ]. w! g* B' y! W4 k2 _
the manufacturer.
7 a- Q* ]$ ]: t- T% KStandard cooking vessels (dimension of the contact surface) are:! p9 }7 K0 m' ~& L* m
110 mm+ @$ b3 W! r9 F- I; G! T B% A
145 mm4 {9 R) R/ u; O1 Q; b6 W' I: B
180 mm
* o/ a% ?& s# e) B210 mm. \6 \5 ]% O9 `# e. W2 }; Y u8 ^ O0 \- H
300 mm7 `3 S2 v* K6 k
Material of the vessel: the induction cooking method has been developed for ferromagnetic
! X$ _6 I7 w8 T8 D1 U5 `utensils. For this reason, measurements shall be made with enamelled steel vessels.
8 j' [! g1 j/ QNOTE Some vessels on the market are manufactured from alloys with a ferromagnetic portion. However, these
" e) Q& G2 w3 H% j; R+ C5 O% mutensils might influence the sensing circuit for vessel displacement.6 h* x6 H) L7 p5 D- N2 n
7.6.8 Electric welding equipment# S. Q; c( A* L" M1 U
For arc welding equipment, the welding operation during the test is simulated by loading the- ]+ ~( k+ G$ Y6 {* B
equipment with a conventional load. Arc striking and stabilising devices shall be switched off* b, Z6 l2 v4 C2 X+ r- @
during the emission measurements. The load conditions and the test configuration for arc' w# q9 ?! P# T: y
welding equipment are specified in IEC 60974-10.' p2 s7 ?2 ]+ q8 S; F" v) o
For resistance welding equipment, the welding operation during the test is simulated by shortcircuiting
9 E! x: B& `1 a: ~" n) |the welding circuit. The load conditions and the test configuration for resistance
7 ~# ~6 M% U, e0 T9 dwelding equipment are specified in IEC 62135-2. |
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