|
|
, }, j% @. Z0 Y8 @, R6 ^% M
( a( @$ n9 Z% v2 K6 s q | Motors3 w/ A' Q+ {8 ]& f$ \
| 4.4.2.4
5 h8 a& b& I. B" I8 ]- B- E7 N | 61010-1(ed.1);am1;am25 I) ?+ K& o/ w
|
* V6 A; G9 o5 ?2 m: H6 A
: ?) s( B' Q" W- ~1 A$ g4 ^, @9 qStandard:
, S' S1 k+ P5 ]IEC 61010-1:1990 +A1:1992 + A2+ `7 V& R; J/ W2 ^: W
:1995
0 P$ l/ E0 {! z+ MSub clause:) v$ `* C6 p2 j* t% f4 V
4.4.2.4* X* v/ ^. V& A
Sheet n. 344! J+ o" u8 I# g, `0 H% o
Page 1(1)
( _1 Q# h' P4 s& dSubject:
9 O6 a" U: u1 X5 Z3 I5 O, pMotors
% f% l, p5 C" _ W _' qKey words:
- d C2 l# [' A; K& {- Locked rotor: h; T8 G$ G- S: G; W/ U2 r/ |/ y
- Stopping rotor
6 _5 m% C& J* j1 uDecision taken by
. @2 I7 \' C* ]% rETF3 and confirmed$ q) q% I' ?: R# C
by CTL at its 38th
$ a. K& V7 ^- j; k' xmeeting, in Toronto, H1 |+ j' }$ o
Question:
" D) R# h: g$ ]9 m" ZHow do Test Houses perform these tests, in particular when motors are operating at high3 d9 t) t. G( V2 v* k
speed?
% \& `7 n8 {1 G( ]Decision:+ h, t$ e s1 u/ W2 o' u( c, s
It was agreed that the following tests are required;
! U6 S- D3 w$ t5 B3 t. G- I5 H' [$ e1. Locking the rotor when stationary and4 y0 Z9 s3 S5 @2 b
2. Stopping the rotor when at full speed. This does not necessarily imply an instantaneous
$ o6 q, r) }- E+ gcessation of movement and a gradual slowing may be appropriate, for example, seizing i* `. V( R/ X$ M7 Z. R
of bearings.
. [0 f* g6 M0 D. H7 [3 F3 q0 G q0 W+ e! j& r
" B/ `( E' l; T: [4 U, r0 ^& |7 d; U4 p2 M& a
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发表于 2012-9-18 16:32
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