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) u0 }5 w' h8 N8 ]. x9 a7 i( j
6 y' Y$ { z' ^/ F3 i( ?6 Z& A | Motors
- A* Q' M8 l+ ]6 | | 4.4.2.4* g* W1 G6 Y" y) n k; Z4 e
| 61010-1(ed.1);am1;am2/ \8 l) F2 i# N) R
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; n. a0 w2 Q9 l) F- f
7 u6 @/ q/ `5 F$ O7 vStandard:
% f7 Y+ c- o: y" y7 _+ hIEC 61010-1:1990 +A1:1992 + A2
?0 t0 x" `. ]3 D$ \* `# u, n:19956 y+ y* `6 Y6 U- ~/ r$ C2 O9 Q
Sub clause:
, s5 w$ J0 @) Z2 m" l4.4.2.40 y9 v5 o% N3 e9 f% E+ h
Sheet n. 344
& ?2 Z8 q7 {5 XPage 1(1)/ k. p# [2 h% q% A7 @# y* G8 N+ d
Subject:
/ B$ d" M) R1 u8 M8 Z; o1 _Motors5 T; l% }, b0 N; K4 C: r
Key words:
a. U" C, ?" W. i: M q- Locked rotor
' ]8 J6 G% n0 _9 |. N# e8 T& O- Stopping rotor. m+ T2 k. \; F; c
Decision taken by: ]' g4 U" B. v+ [( [
ETF3 and confirmed
' k3 s& [9 f" O$ u( ?5 kby CTL at its 38th& @2 ~7 b- x0 _5 Y5 X
meeting, in Toronto8 \9 T7 u$ |* C; q& j% G
Question:
0 d: v; ?5 E/ ]* |' |How do Test Houses perform these tests, in particular when motors are operating at high
& F4 S% z( ]5 m4 E6 t. \speed?" U4 u) U+ W+ {3 A
Decision:
0 T7 }9 p8 {' C2 dIt was agreed that the following tests are required;( q, V* }$ C2 t" O8 @$ ?4 \
1. Locking the rotor when stationary and- u' k9 ]5 ^8 C! P
2. Stopping the rotor when at full speed. This does not necessarily imply an instantaneous
3 O3 `% c$ j) f! hcessation of movement and a gradual slowing may be appropriate, for example, seizing1 z0 k& j1 a+ p7 }
of bearings." [( @% W9 s# h; d3 j, q
" k7 p. L$ k I5 X$ p0 p, R. w/ w6 @
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发表于 2012-9-18 16:32
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