|
| DSH 4377 `0 i R C, m, A: U" |
& A' s: b- q. m5 u
| Verification of the rated residual making and breaking capacity ID m: D G+ x# i+ F/ i8 L+ ^
| 9.12.13 E$ w! k) i" \: l
| 61009-1(ed.2)
! O1 I0 \3 s5 W( M | ) T" i8 ?( T! J7 U. K
Standard:
* Z' l p7 I+ _: _+ o( Z; a0 FIEC 61009-1 (1996-12)
+ v2 X" p0 y2 z: o8 xSub clause:
3 A) o; K/ c" R# S5 w, E, F9.12.13' v+ f/ V8 V0 m: i9 }1 B' O
Sheet No. 437) Z) w0 D3 j* o& v3 @
Subject( W7 b* d$ ]$ U4 z. T
Verification of the rated residual& E- E9 @: E, ~2 R. A* k
making and breaking capacity IDm" \1 T4 ~9 y: a
Key words: Confirmed at CTL5 @' o5 A. c' k8 i( l1 E. o+ y
39th Meeting. ]5 C: r$ K% `1 i+ h
Question:
2 ?! v' r5 b' P5 U# y' _! G- ^9.12.13.1 refers to the test conditions prescribed in 9.12.1 and states that the impedance Z1 shall
* H7 Y, l! M$ d: C3 anot be used.! W! t# H7 X% v, X
9.12.1 refers to the conditions in 9.12.1 to 9.12.12.' g0 b/ m/ {, E
9.12.2 and 9.12.7.4 require the test circuits according to figures 5 to 9 together with impedance, M @ e9 k* Y, B0 c+ f
Z2 to be used., j* P$ a; c& `5 o
According to these figures the following inconsistency appears:
, f! u* V1 S% o! C% d& MFor a single pole switch (with two current paths) normally rated for 230 V, the rated residual
* U& h8 K7 C3 Y2 I) E/ emaking and breaking capacity has to be tested at 230 V.: t q. _9 R G) U
For a two pole switch normally rated for 400 V, the rated residual making and breaking5 a) a! Y) {6 O: b
capacity has to be tested at 400 V.
- P( C- Z: A" q. mFor a three pole switch normally rated for 400 V, the rated residual making and breaking
7 M4 _ I) z9 n( ~/ C$ vcapacity has to be tested at 400 V.
- S* B- R+ R: eFor a three pole switch with four current paths and for a four pole switch normally rated for. t0 }. J! u6 Q$ [5 J
400 V, the rated residual making and breaking capacity has to be tested at 230 V.+ A( p. d" v0 y; J- t0 K& ? E5 O
Due to the fact that the purpose of this test is not to cover the special fault conditions in IT-systems,
0 H7 s" C h. N9 rthe test voltage for this verification of the rated residual making and breaking capacity should be
- U) U1 A' r: U$ v( @/ j- \' _$ ~230 V, independent of the number of poles, and the relevant figures should be corrected.4 K8 w( E/ q, u( Q
Decision taken at the SC23E WG2 meeting in Nice, October 2001:
* ^* I& K; R" s: j8 ^. ~) @Extract from the minutes IEC SC23E_WG2_006:
/ J" [6 w, ]' D$ Z( [SC23E_WG2_010 request from Austria to update 61008 clause 9.11.2.3
% T7 B7 |( \5 ]5 Z! n IThe proposal made by Mr Bachl was considered justified and accepted. During the meeting3 @$ o+ v+ S: e
WG2 decided that laboratories and certification bodies should be informed about this
) `3 i8 g' M8 w. Y/ a8 Z/ `' [important decision.8 }% ~2 z I2 B
Therefore the following statement was drafted:
3 x5 j9 D% a) E5 F* b3 j7 X22 Y0 P6 Y: [+ w) o. e# P
Decision to be forwarded to CTL:; c% G/ D. ^/ e$ @0 i0 V
IEC SC23E WG2 decided to correct the inconsistent test requirement in IEC 61008-1 (1996-12), subclause
( r8 V! I' f! S6 H' b% ?$ B9.11.2.3 and in IEC 61009-1 (1996-12), subclause 9.12.13 - Verification of the rated residual
+ c; `( R& M) h5 cmaking and breaking capacity IDm.5 f/ L: ?' d. Y( e: f. b
The test voltage for this verification of the rated residual making and breaking capacity should be the, v3 b0 U, G; Y' Q* A/ a" B
line to neutral voltage, independent of the number of poles of the RCCB or RCBO. This correction will' k5 x3 _. B: ^' o
be included in the next amendment or revision of IEC 61008-1 and IEC 61009-1.3 k% H0 Z$ M& }( o
The revised test circuit (fig. 7) proposed for the standard is attached./ E, c {+ E) u5 s
, v+ J; m3 W: }( ]
2 s0 g% _5 X+ b9 u4 w; l |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?注册安规
x
|