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( n# H" K! u1 Z' P9 V- K' F/ k+ y
" ~3 V/ R# {! ?) a9 Q% M8 [1 I
 DSH 344; X% j. x1 G+ n k1 h4 h. X4 B8 e
| Motors
6 U8 A4 H% F: S+ W! b5 K | 4.4.2.4
! x+ }4 X$ O) O4 v6 l | 61010-1(ed.1);am1;am2' _3 n* S; d& T% \8 _, W3 Y
|
( |; X- W; B$ v8 {
+ R( w+ Q$ Z# zStandard:
' H5 G: M: ^2 J7 Q4 }: K X/ ZIEC 61010-1:1990 +A1:1992 + A2* N( `) i7 a" D
:1995
/ l1 r9 {) Q, ?8 b% YSub clause:6 _- T- H: w$ U
4.4.2.4
2 a( C+ r: b5 P6 r+ lSheet n. 344" J" E6 S$ E5 `* y
Page 1(1)
. q" A5 q0 [& {Subject:
* j9 W4 C: ]% ~1 g& oMotors6 e# |3 J* @" I/ j6 w6 {) ~# h7 G
Key words:& n# P- Y, Z5 h z/ I3 F& Z
- Locked rotor
2 q6 _% z5 q; F( |- Stopping rotor
; {. z$ ~! W# c" A" ` TDecision taken by
9 Q+ [, |4 E- |3 r6 Z ?ETF3 and confirmed# k1 v/ I& u% u" {
by CTL at its 38th
* b' ~8 l, Q' M* g! rmeeting, in Toronto
; y8 h& F/ a3 r+ h EQuestion:0 w& q8 _, O% _+ ~7 V" n
How do Test Houses perform these tests, in particular when motors are operating at high
/ D4 A4 m( J$ n* Uspeed?4 _' V5 T* p0 c; d( N
Decision:
K( ~& G. [' t0 @1 vIt was agreed that the following tests are required;$ @5 f8 R1 @: t1 v+ q
1. Locking the rotor when stationary and
/ J+ D F1 a3 } V o* l+ @2. Stopping the rotor when at full speed. This does not necessarily imply an instantaneous
7 @) h8 }+ \$ _. u1 _$ N `cessation of movement and a gradual slowing may be appropriate, for example, seizing
' K" L5 U* ~6 J; m8 G; j/ {of bearings.) f% x) I7 n/ X# s. C& U) x% b6 z
- y2 a/ B% [. z: R6 P! O% n- j" t& l5 p: @# t6 P) `& l' K4 V
6 }" o4 ~5 Q6 y# F a9 W9 V |
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发表于 2012-9-18 16:32
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