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|
( c8 c6 \1 b* Y0 Z
+ l1 _) q6 `2 x. `
| Motors" m! Z U+ ~1 G0 S$ F/ `$ V; R
| 4.4.2.4
( A C Z g2 S) N' I, d' K! m | 61010-1(ed.1);am1;am2
2 n0 V5 T) b& w7 s |
$ `6 f* v3 a# S' q
, s0 s4 x' s8 z" h) m/ j8 [Standard:
0 s, D1 O, X! J- H% D ?& Y; v8 cIEC 61010-1:1990 +A1:1992 + A29 e* s+ ~$ Y% U5 R5 v$ }
:1995% b. e, ]( b) z
Sub clause:
R' h6 X9 l- _+ ?/ w0 V c. ^8 r4.4.2.4$ r# R" P) C% b! U
Sheet n. 344
* k* q* Y6 L: q q) v, N+ k9 @Page 1(1)3 `) u: e- R Y# W
Subject:# Y# j5 o S4 k( ~' o6 B
Motors
; |( @* h" h# Y3 j+ V, I: ^Key words:4 y6 Y7 P. B% C# m! E) G# _, M$ p1 u
- Locked rotor
$ [8 z+ Q6 P# F" {- Stopping rotor" A# p; ~; e Y7 s% R. g
Decision taken by
5 h+ X Q$ C; d. S( xETF3 and confirmed
; w0 K. U; T/ e6 {/ z$ Iby CTL at its 38th
3 ^( d8 `% u7 \meeting, in Toronto
( @; t3 a( d1 P) Q( s# l5 yQuestion:8 L3 [) n. S: ~7 i6 O1 C' W
How do Test Houses perform these tests, in particular when motors are operating at high
% F3 {/ _0 G4 @1 g5 q3 g5 }speed?
3 `0 E; `6 b }5 [. C0 ^) v' @Decision:
! o5 M9 l6 F" O2 c {2 v. X/ @It was agreed that the following tests are required;
' C+ K' S x# J6 A& K6 _1. Locking the rotor when stationary and
# x! M$ F) @2 ~; ]% n7 G2 C2. Stopping the rotor when at full speed. This does not necessarily imply an instantaneous
8 l# x$ D! D3 u" _/ }cessation of movement and a gradual slowing may be appropriate, for example, seizing! }: m* W D g; M. _
of bearings.' @( e" M4 M: }. i- I- m
9 R! X) J. B0 p& m! C% U
9 @: `& R) B4 p9 ~6 u# h1 c0 W' m
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发表于 2012-9-18 16:32
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