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EECTECH YTSP variable speed motor

EECTECH YTSP variable speed motor

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商品描述

With the development of power electronic technology, AC VVVF adjustable speed systems are forging rapidly ahead. In order to meet the demands of the market, YTSP-series VVVF adjustable speed three-phase induction motors are designed and manufactured on the basis of extensive investigation and research. The basic technical requirements conform to the international IEC34-1 standard and the national GB755 standard. With the features of lower noise, lower vibration, wider speed range and better appearance, the motors can be matched with various frequency converters for good operation, conductive to energy saving and automatic control. YTSP-series VVVF adjustable speed three-phase induction motors are specially designed for matching various IGBT pulse-width modulation frequency converters of high performance. Generally it is not necessary for them to be supplied with an external filter for operation.


YTSP-series VVVF adjustable speed three-phase induction motors, designed with computer aided technology, gather the advantages of similar motors at home and abroad. In order to apply the PWM supply, the stator, rotor slot and distribution of stator winding have been given special consideration to get a suitable inductance value for restraining and reducing adverse effects caused by time harmonic wave and a series of space harmonic waves produced by the former. Allowance for electromagnetic load has been taken into account to ensure the overload capability at high frequency and constant torque output at low frequency.
The impact of high carrier frequency of the PWM frequency converter with IGBT has been pondered in designing the insulation structure of the motors. Especially for the turn-to -turn insulation, in order to make it capable of being subjected to the severe ordeal resulting from the steep shock voltage applied repeatedly in the coil turns by the high voltage rise, special measures have been adopted to reinforce it. The tested values of interturn voltage endurance of the motors are much higher than the specified figures for AC motors in JB/Z346-89 standard.

In mechanical design, to be convenient for users, the mounting dimensions of YTSP-series motors are same as those of Y-series motors. YTSP-series motors have two types of cooling methods. One is IC411 (except YTSP400), with which the motors can be ensured to achieve the speed regulation of constant torque and output in a specified range of frequency (10-70Hz), and to operate for a long time under this condition while the temperature rise of the motor windings does not go beyond a prescribed limit. The other is IC416, that is, the forced ventilation by an independent axial blower is adopted, with which the motors can be guaranteed to operate for constant torque over a long period of time at the low speed (1-2Hz), with the temperature rise not exceeding a prescribed limit.
The frequency converter supplied power source is used during the ex-works test for all YTSP motors, so they conform with the actual operating conditions.


Please contact us for detailed specifications, thanks.




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