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$ q1 j3 ?6 d7 g, G) O% ~6 k
7 x1 }# e* |8 L) O+ J | Motors
1 \% q* V6 i; ~1 [, C: w& H9 D | 4.4.2.4
0 l! p0 d7 \ Y0 r! j1 a. g' G | 61010-1(ed.1);am1;am2
) Y6 h) F$ L% y, u' ]2 X9 j! h. K |
1 [ K# }( {, A4 {
' S" ^5 E# T1 ~$ N6 mStandard:2 z: t+ @% _+ Z7 o/ [
IEC 61010-1:1990 +A1:1992 + A2
" F4 b* m& _: a% O6 Y$ J:1995+ ^7 f) ~+ b* L4 u1 f
Sub clause:
6 J' M) \1 M5 Y+ ]% A4.4.2.4
* q: [) c; `; c W8 L) ^Sheet n. 344
' V5 l- C2 L Z$ X# S, ]7 OPage 1(1)
0 T# Q% Z* e3 R0 E& GSubject:
0 o3 z( y5 F. c" m2 A1 P1 A& gMotors
+ j @! D: J/ E0 U4 gKey words:# S, m" l `3 ^8 s- ? J( ~# o
- Locked rotor; b) Y2 v" l7 N0 `: ?
- Stopping rotor
" X6 D6 g3 b. O7 r" x! l9 o% xDecision taken by+ c3 R& j! m4 _$ u E: O9 x. D! i
ETF3 and confirmed* h% T7 V8 E/ q- E; Y+ S: ?+ G
by CTL at its 38th
( } C0 b: b$ y8 n# ?$ umeeting, in Toronto) U: g- z6 B! C5 d
Question:1 z+ \4 O+ h7 |/ x' C0 T- _
How do Test Houses perform these tests, in particular when motors are operating at high
- R+ b# x& b" j7 S$ rspeed?
; G. D* D6 p6 X' V7 U* r$ M9 c! QDecision:; K c: h+ z$ m' J. c( T; _
It was agreed that the following tests are required;
7 a1 V/ f3 W D6 V1. Locking the rotor when stationary and
, F0 b: o5 ~: E" _) W2. Stopping the rotor when at full speed. This does not necessarily imply an instantaneous0 C) k! ~6 D5 P
cessation of movement and a gradual slowing may be appropriate, for example, seizing
7 O: O4 I+ ? i9 i7 @of bearings.
+ ?: X! E$ c( p5 d6 a1 l' h: w5 }3 J- F/ t
& \! R8 p( \) G: `2 P7 T2 L/ i
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发表于 2012-9-18 16:32
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