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; ]4 q4 t9 E* Q/ z2 j
! ` g6 J# @. a K. o! z1 S
| Motors7 a0 _& A& `, u( l3 O$ f6 U
| 4.4.2.4* W" ?' {, G2 u+ t! A9 k
| 61010-1(ed.1);am1;am2
0 X( Z7 g( B6 P3 L |
7 p6 S# u' q3 f4 R/ U) ~
0 L4 @$ K9 w2 b/ W0 v' i/ h
Standard:
+ ?" Z6 B" l$ o! z9 M5 ?+ aIEC 61010-1:1990 +A1:1992 + A2* D6 t% }2 r/ T7 p
:1995: J# N+ |, v' d+ u* w8 D3 C
Sub clause:$ |" A( z4 e% I5 y. J1 o
4.4.2.4$ }7 ]4 N; u. C! j6 ?$ Z `
Sheet n. 344
: h4 ~6 Y% `4 TPage 1(1)
0 J: I! D. e. Y7 KSubject:( ^/ ^+ P6 d6 a% C. f1 }9 I, B
Motors
: ~2 G4 @0 ~. S) }6 N. ZKey words:0 f: E. C) K5 l8 [0 \5 F. G
- Locked rotor
1 c9 l# C( W4 |9 \% n8 N* ^- Stopping rotor4 r/ Q+ d2 @: c. t" ~6 S
Decision taken by2 F8 d# ?* x1 X
ETF3 and confirmed
0 c* ]; Q6 ^$ m) U I' W: Pby CTL at its 38th
' E& v+ p+ R, B* R5 z* U2 t6 Umeeting, in Toronto$ ^" B; ?% v6 v. }# `" l
Question:, I9 M8 q2 \0 z, J l
How do Test Houses perform these tests, in particular when motors are operating at high
, [: f4 @/ u0 T( k. Sspeed?
7 m& h& @- q }. f( ?& G7 b0 fDecision:* s: `% S$ b5 M7 c7 J b
It was agreed that the following tests are required; c$ d7 Y# \0 U2 p% W8 y
1. Locking the rotor when stationary and
% e( |! a, k2 J3 }, ^2 @- r2. Stopping the rotor when at full speed. This does not necessarily imply an instantaneous
0 D$ ?* o% ~8 h" w7 ^cessation of movement and a gradual slowing may be appropriate, for example, seizing m# Y! `: S1 ~
of bearings.
# {; l- D5 X$ ]& V
" i5 n0 b2 `7 V9 O% D/ V1 h% \' b; q
( B; F7 `- e6 ]( p. `7 T% q1 T" ?; {( p3 ?% w
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发表于 2012-9-18 16:32
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