|
|
% E/ L. p# s1 n$ n$ h% g
7 ]: l3 ]" F1 _/ ^) H; x | Motors
0 J- K0 J# `8 M' l- j% M) l8 H0 w% o | 4.4.2.4# c9 y9 C* E0 B1 _/ s
| 61010-1(ed.1);am1;am2* n _$ y! s0 z. D6 N; p" o
|
% S9 t, ]8 Z/ I: ]( r- G( S# q! u2 ?+ K; {
Standard:- ]" t2 m- V3 q$ j
IEC 61010-1:1990 +A1:1992 + A22 q# g1 t) L( d9 u. }% C/ n: j+ [
:19950 d, Q$ W- T; e* D$ k1 u
Sub clause:
* k. J% Z$ ?2 D+ A" |' ?. m: ~9 n! F4.4.2.4% ^/ m6 }& j- M' [
Sheet n. 344
! Q* Z9 P' x; yPage 1(1)+ c) |* m7 H9 x# s' @6 K5 p
Subject:
+ t0 [2 p( c7 J0 F* }: @2 IMotors4 c4 b8 [$ X" x8 N
Key words:8 v8 ~( H* l, X+ X7 c4 t
- Locked rotor9 b, d" @$ f% l1 V0 M
- Stopping rotor
. j; O. K( k+ V& K& ?) A3 Z: {Decision taken by* i) W' w c. j( M# R; p: Q3 ?
ETF3 and confirmed
% H8 H0 K( w" b1 k4 b" }; O9 f9 R8 Wby CTL at its 38th
1 {% l# f, N) d6 E3 O2 rmeeting, in Toronto
+ n( m$ D, @; I; }) h; ^ D- lQuestion:
" Y( r/ w3 |5 w. ~% \( S6 S/ P6 lHow do Test Houses perform these tests, in particular when motors are operating at high
; r6 Z% Y% ^ J. o" I1 ~* m; xspeed?
( S) S, z; c# u6 ~; x: _& ^! a) y ~/ ADecision:
2 j) b. ?9 U j' K2 ^5 o) [: iIt was agreed that the following tests are required;
/ m3 }. S! U; }( p2 b( w1. Locking the rotor when stationary and
( @! a' r, ~6 h5 ?( [2. Stopping the rotor when at full speed. This does not necessarily imply an instantaneous5 b, o4 C$ p# O# E
cessation of movement and a gradual slowing may be appropriate, for example, seizing
! f) b1 U" \( w) j2 d" rof bearings.3 K c3 y* ~6 T3 i
2 Z. a- G1 ?5 _: r; g; }' c
# d/ F+ @ C, V$ |. E4 o+ I2 l+ ~" s) w- b# n/ g
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？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
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡