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% W. B, x# B* Z% D: x+ Q% L
8 D0 C; k% L8 D! W/ y
| Motors
7 U1 l0 a3 X d8 h+ m L# W | 4.4.2.4 D' ~: w* U; b1 N7 N0 z4 ~
| 61010-1(ed.1);am1;am2' {" E9 V8 W# Y' y! G1 k& p
|
' S; O3 s" O9 ~# `0 R4 j6 u/ v _) @. Y; P) o6 Q! Y
Standard:
3 x; r, n8 g: p& r; g0 hIEC 61010-1:1990 +A1:1992 + A2
( ?" o3 H- T$ g6 F:1995, d1 j/ F4 B7 m( _3 Z# |; }5 K
Sub clause:2 F& S. T& n0 ~9 R1 D4 h; a
4.4.2.4
5 f' y; } n: HSheet n. 344
+ n+ }* c6 g0 n' B8 |. YPage 1(1)
( _# `% [2 w3 i9 ?! hSubject:
5 e1 X- y4 }1 ~; J2 z4 IMotors
6 S& `8 L) ?5 BKey words:% B* I7 F ?- s
- Locked rotor4 ^- }0 J- T3 @4 [) y
- Stopping rotor3 o% Z1 Y% @$ r
Decision taken by3 Y! ]( J0 b- T3 ~
ETF3 and confirmed/ g ^6 ?& y1 [+ f* v
by CTL at its 38th; m/ h" R7 u$ `1 J/ Q) L& X0 ?
meeting, in Toronto
9 j3 h* W4 s1 x( z" zQuestion:
/ u2 K8 V1 M" ~& J0 A7 |7 `. L& MHow do Test Houses perform these tests, in particular when motors are operating at high
" l% f; M; R% y+ X- }; Hspeed? x, a. g# y5 H
Decision:4 d: u M' |7 R3 `, ?1 T! \3 \
It was agreed that the following tests are required;3 s0 m7 B# U B- \+ v/ r% d" U
1. Locking the rotor when stationary and
1 N/ q. l* q/ o% f& q D2. Stopping the rotor when at full speed. This does not necessarily imply an instantaneous
0 H( @4 P9 T' J% w( R: R/ ucessation of movement and a gradual slowing may be appropriate, for example, seizing* \- I8 g( Z" L+ O5 @4 X
of bearings.5 o/ h, d+ [0 q9 [. }4 {
2 T/ m% F; m' }7 I: _7 O% X
4 e# S' X5 ?' c6 z5 Z/ ~
1 T9 ^9 f+ k& r* R9 a5 P6 p |
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发表于 2012-9-18 16:32
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