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只要电机有可自复位保护器,就必须进行Annex D测试,无论这个保护器有没有认证。
& e1 w6 Q) W' ?' h Q% P( k另外如果前置电路有电流保险丝,堵转时直接断开了,那么就不需要继续进行测试了。因为标准明确写了,在进行Annex D时是给器具供电。
) w: g# {. I; b2 ^& kThis annex is applicable to appliances having motors that incorporate thermal motor
! j, B( m- I' V7 G+ B5 }' ]protectors that are necessary for compliance with the standard./ |: K$ j+ e' I% P. Z } I: }1 [7 w
The appliance is supplied at rated voltage and is operated under stalled conditions by; `5 n# d: R. h7 f W/ z3 ^
– locking the rotor of appliances for which the locked rotor torque is smaller than the full% O5 f" Q0 U) N0 }, f: W+ |
load torque;, q9 u8 K0 P3 x* Z9 X: c
– locking moving parts of other appliances. |
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