2014年12月29日星期一

The working principle of ac servo motor

 iron motor shell motor parts pig casting iron 
Specifications
1.iron or steel 
2.sand casting 
3.ISO,UL,FM,LPCB,VDS,TS16949 
4.timely delivery 
5.reasonable price
The working principle of ac servo motor with split-phase single-phase asynchronous motor, three phase induction motor though similar, but the rotor resistance of the former is much larger than the latter, diesel engine so compared with the single asynchronous motor, servo motor has three marked characteristics: 1, large starting torque. Due to the rotor resistance is big, the torque characteristic www.facebook.com/guohong.trading curve as shown in figure 3 in curve 1, with normal asynchronous motor torque characteristic curve, compared to 2 a significant difference between the two. It can make the critical slip S0 > 1, this not only makes the torque auto spare parts characteristic closer to linear mechanical properties, and has a large starting torque. Therefore, when the stator's a control voltage, rotor rotating immediately, which has the characteristics of starting fast, high sensitivity. 2, has a wide operating range. 3, no rotation. 


full load 75% load 50%load three phase induction electric motor Y series B35
Specifications
-One year warranty 
-Within 25 days delivery 

-Life: 5-7 years
The normal operation of the servo motor, as long ac synchronous generator as out of control voltage, the motor stop immediately. When servo motor loss control voltage, it is in single phase operation state, due to the rotor resistance is big, the rotation of single phase induction motor the two opposite diesel generator set directions in the stator rotating magnetic field and rotor effect produced by the two torque characteristics (T1, T2 S1 S2 curve) and synthetic torque characteristic (t-s curve) output power of the ac servo motor is 0.1 100 w. When the power supply frequency 50 hz, voltage is 36 v, 110 v, 220, 110 ac motor v; When the power supply frequency is 400 hz, the voltage have 20 v, 26 v, 36 v, 115 v, etc. Ac servo motor smooth operation, low noise. But control characteristic is nonlinear, and the rotor resistance is big, loss is big, efficiency is low, so compared with with the capacity of the dc servo motor, big volume, heavy weight, so is only applicable to 0.5 100 w small power control system.

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