|
|
$ G/ a$ h2 L) `2 ^$ U9 x# x; |" o1 y( S2 F9 A
| Motors
8 o% m s. Y5 `; K. D* C | 4.4.2.4
9 ~ @6 g' [: L% e- P+ d | 61010-1(ed.1);am1;am2) ?- X7 H9 K6 _+ C8 Q! ?) o
|
2 `, S& d0 V8 G5 c" c
0 G+ T0 l9 Z6 q' q: C( x
Standard:
* ]/ B O' R3 q' \% HIEC 61010-1:1990 +A1:1992 + A23 P8 }' _, z& x+ s7 O
:19959 d8 B! f3 V% |8 M
Sub clause:/ _$ q( k: q! r) a
4.4.2.4
- q$ w7 K5 E' d# ^Sheet n. 344
$ @ J; m" U- f& S" q. G& T! h4 h" J* yPage 1(1)" I# b7 _6 q9 I! R) o1 D" ?" }( @
Subject:' O, S s) i/ E, n
Motors
+ Y+ ]! K% ~5 W' K- \9 \4 P, v+ dKey words:% I2 ?. s# t8 l, `+ J+ Q0 r3 ]
- Locked rotor
( j7 m; O/ @ N. m* {1 V& A! a- Stopping rotor
' ^0 f2 ?% k7 {% k; s% J9 UDecision taken by) X3 f3 ~* m( d
ETF3 and confirmed
& M% ]/ k: h0 W- {( O0 Sby CTL at its 38th, |2 K, W% F, D e3 M7 Q3 }3 b2 I
meeting, in Toronto
4 ^1 y. t7 W' e0 ]$ T9 ?9 n4 o+ eQuestion:6 I+ U# M6 ] o+ l Y& a
How do Test Houses perform these tests, in particular when motors are operating at high+ p2 w5 @# I8 P
speed?
6 z# P" H" ]5 F8 l) \" jDecision:2 }. F3 J8 |1 k# ?* v
It was agreed that the following tests are required;
! _# w5 v1 ? `- i0 O' F% @) P1. Locking the rotor when stationary and
! n w( Y( C: `# b3 u2. Stopping the rotor when at full speed. This does not necessarily imply an instantaneous
; L9 `- u) h2 m. Y+ acessation of movement and a gradual slowing may be appropriate, for example, seizing6 H1 i/ P ^ E% q. u$ I( {
of bearings.
; U+ R$ i! @; q N) w* ~& ?4 q
) A$ U8 V) }% k. G, k
/ M, [* r4 v# [6 ?: S
|
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
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-18 16:32
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡