YZP Series Frequency Conversion Variable Speed Crane MotorSpecifications Series YZP Frequency Conversion Speed Regulating Motor for Metallurgical and Hoisting Use YZP series frequency-conversion speed regulating three-phase asynchronous motor (Hereafter motor is called.) for metallurgical and hoisting use integrates advantage of frequency-conversion to result in the features of great overloading capacity, high mechanical strength, wide range of speed regulation and stable operation. Its basic technical specifications are in conformance with IEC34-1 and GB755 and all the performance indexes of motors are equivalent to international level of 1990s. The series equipment is suitably applied for various kinds of hoisting and metallurgical machinery, or other similar equipment, as well as in the cases of frequently starting, braking and reversing.1.The motor will operate satisfactorily under following conditions. 1.Temperature of coolant not exceeding 40ºC(for crane uses)or 60ºC(for metallurgical uses). 1.Relative humidity 90%. 1.Altitude from sea-level not exceeding 1000m. 1.Frequent starting \braking(electrical or mechanical) or reversing.1.The rated voltage of the motors is 380V and the rated frequency is 50HZ. Continuous speed regulation is available within the range of 3-100Hz. And also nominal voltage, nominal frequency and frequency modulation below 3Hz can be selected according to user requirements.

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